! Started logfile: J0646+4451_X_2003_07_09_pus_uvs.log on Sun Apr 7 11:58:51 2013 obs J0646+4451_X_2003_07_09_pus_uva.fits ! Reading UV FITS file: J0646+4451_X_2003_07_09_pus_uva.fits ! AN table 1: 8 integrations on 171 of 171 possible baselines. ! AN table 2: 38 integrations on 171 of 171 possible baselines. ! AN table 3: 53 integrations on 171 of 171 possible baselines. ! AN table 4: 19 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.152146 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0646+4451 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1874 lines of history. ! ! Reading 12280 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0646+4451_X_2003_07_09_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 152 telescope corrections were flagged in sub-array 1. ! A total of 467 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! A total of 342 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 152 telescope corrections were flagged in sub-array 1. ! A total of 467 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! A total of 342 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 152 telescope corrections were flagged in sub-array 1. ! A total of 467 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! A total of 342 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 152 telescope corrections were flagged in sub-array 1. ! A total of 467 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! A total of 342 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=2.478519Jy sigma=0.020910 ! Fit after self-cal, rms=2.183314Jy sigma=0.018972 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.31% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.585 mas, bmaj=0.7593 mas, bpa=17.51 degrees ! Estimated noise=1298 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.24434 Jy ! Component: 100 - total flux cleaned = 2.92336 Jy ! Total flux subtracted in 100 components = 2.92336 Jy ! Clean residual min=-0.077281 max=0.303508 Jy/beam ! Clean residual mean=0.000698 rms=0.026987 Jy/beam ! Combined flux in latest and established models = 2.92336 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 2.92336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.693304Jy sigma=0.006161 ! Fit after self-cal, rms=0.692946Jy sigma=0.006159 ! Inverting map ! Your choice of large map pixels excluded 1.31% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.340469 Jy ! Component: 100 - total flux cleaned = 0.542146 Jy ! Total flux subtracted in 100 components = 0.542146 Jy ! Clean residual min=-0.071830 max=0.106966 Jy/beam ! Clean residual mean=0.000300 rms=0.017361 Jy/beam ! Combined flux in latest and established models = 3.46551 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 19 components and 3.46551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.472146Jy sigma=0.003782 ! Fit after self-cal, rms=0.471872Jy sigma=0.003781 ! Inverting map ! Your choice of large map pixels excluded 1.31% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.134123 Jy ! Component: 100 - total flux cleaned = 0.225689 Jy ! Total flux subtracted in 100 components = 0.225689 Jy ! Clean residual min=-0.072893 max=0.070899 Jy/beam ! Clean residual mean=0.000137 rms=0.015190 Jy/beam ! Combined flux in latest and established models = 3.69119 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 3.69119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.431084Jy sigma=0.003236 ! Fit after self-cal, rms=0.430959Jy sigma=0.003235 ! Inverting map ! Your choice of large map pixels excluded 1.31% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.31% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.6906 mas, bmaj=0.869 mas, bpa=19.33 degrees ! Estimated noise=822.669 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0808182 Jy ! Component: 100 - total flux cleaned = 0.122888 Jy ! Component: 150 - total flux cleaned = 0.147481 Jy ! Component: 200 - total flux cleaned = 0.161938 Jy ! Total flux subtracted in 200 components = 0.161938 Jy ! Clean residual min=-0.074454 max=0.064499 Jy/beam ! Clean residual mean=-0.000901 rms=0.014712 Jy/beam ! Combined flux in latest and established models = 3.85313 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 3.85313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.423059Jy sigma=0.003056 ! Fit after self-cal, rms=0.423018Jy sigma=0.003056 ! Inverting map ! Your choice of large map pixels excluded 1.31% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 GC 1.03 GG 1.00* ! HN 0.96 KP 0.92 LA 1.01 MA 1.00* ! MK 0.95 NL 1.12 NY 0.92 ON 0.99 ! OV 0.99 PT 1.01 SC 1.00* TC 1.00* ! TS 0.95 WF 1.03 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 GC 1.04 GG 1.00* ! HN 0.98 KP 0.92 LA 0.97 MA 1.00* ! MK 0.97 NL 1.09 NY 0.96 ON 0.95 ! OV 0.98 PT 0.99 SC 0.96 TC 1.00* ! TS 1.05 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GC 1.05 GG 1.00* ! HN 1.00* KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 0.92 ON 1.06 ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.04 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.08 GG 1.00* ! HN 0.96 KP 0.87 LA 1.00 MA 1.00* ! MK 0.96 NL 1.08 NY 0.95 ON 1.01 ! OV 0.99 PT 1.05 SC 1.00* TC 1.00* ! TS 0.94 WF 1.07 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 GC 1.08 GG 1.00* ! HN 1.00 KP 0.87 LA 0.97 MA 1.00* ! MK 0.98 NL 1.05 NY 1.00 ON 0.97 ! OV 0.98 PT 1.03 SC 0.93 TC 1.00* ! TS 1.05 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GC 1.07 GG 1.00* ! HN 1.00* KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00 ON 1.11 ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.09 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.18 GG 1.00* ! HN 0.95 KP 0.81 LA 1.00 MA 1.00* ! MK 0.97 NL 1.06 NY 0.99 ON 1.31 ! OV 1.03 PT 1.08 SC 1.00* TC 1.00* ! TS 0.96 WF 1.14 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 GC 1.19 GG 1.00* ! HN 0.98 KP 0.80 LA 0.97 MA 1.00* ! MK 0.97 NL 1.03 NY 1.02 ON 1.31 ! OV 1.01 PT 1.05 SC 0.96 TC 1.00* ! TS 1.06 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GC 1.03 GG 1.00* ! HN 1.00* KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.01 ON 1.08 ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 0.98 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.97 GC 1.21 GG 1.00* ! HN 0.97 KP 0.86 LA 0.99 MA 1.00* ! MK 0.99 NL 1.06 NY 0.96 ON 1.43 ! OV 1.01 PT 1.08 SC 1.00* TC 1.00* ! TS 0.98 WF 1.10 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.95 GC 1.24 GG 1.00* ! HN 1.01 KP 0.86 LA 0.96 MA 1.00* ! MK 1.00 NL 1.03 NY 1.00 ON 1.36 ! OV 1.00 PT 1.06 SC 1.00 TC 1.00* ! TS 1.08 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GC 1.03 GG 1.00* ! HN 1.00* KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 0.94 ON 1.17 ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.03 WZ 1.00* ! ! ! Fit before self-cal, rms=0.423018Jy sigma=0.003056 ! Fit after self-cal, rms=0.230936Jy sigma=0.001459 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.6951 mas, bmaj=0.8724 mas, bpa=18.83 degrees ! Estimated noise=826.219 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0370602 Jy ! Component: 100 - total flux cleaned = -0.0396583 Jy ! Component: 150 - total flux cleaned = -0.0409363 Jy ! Component: 200 - total flux cleaned = -0.0414433 Jy ! Total flux subtracted in 200 components = -0.0414433 Jy ! Clean residual min=-0.014442 max=0.013392 Jy/beam ! Clean residual mean=-0.000528 rms=0.002887 Jy/beam ! Combined flux in latest and established models = 3.81169 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 26 components and 3.81169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221387Jy sigma=0.001394 ! Fit after self-cal, rms=0.221534Jy sigma=0.001394 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221534Jy sigma=0.001394 ! Fit after self-cal, rms=0.217625Jy sigma=0.001369 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.6979 mas, bmaj=0.8742 mas, bpa=18.33 degrees ! Estimated noise=827.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.022932 Jy ! Component: 100 - total flux cleaned = -0.0240655 Jy ! Component: 150 - total flux cleaned = -0.0249754 Jy ! Component: 200 - total flux cleaned = -0.0259757 Jy ! Total flux subtracted in 200 components = -0.0259757 Jy ! Clean residual min=-0.014444 max=0.010943 Jy/beam ! Clean residual mean=-0.000377 rms=0.002252 Jy/beam ! Combined flux in latest and established models = 3.78571 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 3.78571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213341Jy sigma=0.001341 ! Fit after self-cal, rms=0.213341Jy sigma=0.001341 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000270728 Jy ! Component: 100 - total flux cleaned = -0.000287987 Jy ! Component: 150 - total flux cleaned = -0.000616638 Jy ! Component: 200 - total flux cleaned = -0.00088558 Jy ! Total flux subtracted in 200 components = -0.00088558 Jy ! Clean residual min=-0.013524 max=0.010770 Jy/beam ! Clean residual mean=-0.000373 rms=0.002228 Jy/beam ! Combined flux in latest and established models = 3.78483 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 27 components and 3.78483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212947Jy sigma=0.001339 ! Fit after self-cal, rms=0.212932Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212932Jy sigma=0.001339 ! Fit after self-cal, rms=0.211062Jy sigma=0.001323 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.7005 mas, bmaj=0.8752 mas, bpa=17.89 degrees ! Estimated noise=829.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0126014 Jy ! Component: 100 - total flux cleaned = -0.0133638 Jy ! Component: 150 - total flux cleaned = -0.0142034 Jy ! Component: 200 - total flux cleaned = -0.0146208 Jy ! Total flux subtracted in 200 components = -0.0146208 Jy ! Clean residual min=-0.015060 max=0.009071 Jy/beam ! Clean residual mean=-0.000284 rms=0.001885 Jy/beam ! Combined flux in latest and established models = 3.77021 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 3.77021 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209366Jy sigma=0.001313 ! Fit after self-cal, rms=0.209342Jy sigma=0.001312 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00077797 Jy ! Component: 100 - total flux cleaned = -0.00106913 Jy ! Component: 150 - total flux cleaned = -0.00158761 Jy ! Component: 200 - total flux cleaned = -0.00193129 Jy ! Total flux subtracted in 200 components = -0.00193129 Jy ! Clean residual min=-0.013629 max=0.009183 Jy/beam ! Clean residual mean=-0.000276 rms=0.001860 Jy/beam ! Combined flux in latest and established models = 3.76828 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 27 components and 3.76828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209209Jy sigma=0.001312 ! Fit after self-cal, rms=0.209177Jy sigma=0.001311 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209177Jy sigma=0.001311 ! Fit after self-cal, rms=0.208774Jy sigma=0.001305 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=2.271 mas, bmaj=2.441 mas, bpa=-74.67 degrees ! Estimated noise=1192.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0123712 Jy ! Component: 100 - total flux cleaned = -0.016003 Jy ! Component: 150 - total flux cleaned = -0.0170638 Jy ! Component: 200 - total flux cleaned = -0.0171272 Jy ! Total flux subtracted in 200 components = -0.0171272 Jy ! Clean residual min=-0.007249 max=0.006330 Jy/beam ! Clean residual mean=-0.000699 rms=0.002078 Jy/beam ! Combined flux in latest and established models = 3.75115 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 30 components and 3.75115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208744Jy sigma=0.001306 ! Fit after self-cal, rms=0.208612Jy sigma=0.001305 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.92324e-05 Jy ! Component: 100 - total flux cleaned = -0.000226262 Jy ! Component: 150 - total flux cleaned = -0.00029126 Jy ! Component: 200 - total flux cleaned = -0.000403965 Jy ! Total flux subtracted in 200 components = -0.000403965 Jy ! Clean residual min=-0.007187 max=0.006358 Jy/beam ! Clean residual mean=-0.000694 rms=0.002095 Jy/beam ! Combined flux in latest and established models = 3.75074 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 30 components and 3.75074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208597Jy sigma=0.001304 ! Fit after self-cal, rms=0.208580Jy sigma=0.001304 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.7025 mas, bmaj=0.8759 mas, bpa=17.67 degrees ! Estimated noise=830.87 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7025 x 0.8759 at 17.67 degrees (North through East) ! Clean map min=-0.0065106 max=3.0716 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208580Jy sigma=0.001304 ! Fit after self-cal, rms=0.197386Jy sigma=0.001230 ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.7032 mas, bmaj=0.8771 mas, bpa=17.94 degrees ! Estimated noise=829.659 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00720058 Jy ! Component: 100 - total flux cleaned = -0.00769302 Jy ! Component: 150 - total flux cleaned = -0.00826923 Jy ! Component: 200 - total flux cleaned = -0.00857728 Jy ! Total flux subtracted in 200 components = -0.00857728 Jy ! Clean residual min=-0.013921 max=0.007953 Jy/beam ! Clean residual mean=-0.000186 rms=0.001643 Jy/beam ! Combined flux in latest and established models = 3.74217 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 3.74217 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196678Jy sigma=0.001226 ! Fit after self-cal, rms=0.196628Jy sigma=0.001225 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00102156 Jy ! Component: 100 - total flux cleaned = -0.00113754 Jy ! Component: 150 - total flux cleaned = -0.00136026 Jy ! Component: 200 - total flux cleaned = -0.00166323 Jy ! Total flux subtracted in 200 components = -0.00166323 Jy ! Clean residual min=-0.012630 max=0.008018 Jy/beam ! Clean residual mean=-0.000180 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 3.7405 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 30 components and 3.7405 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196535Jy sigma=0.001225 ! Fit after self-cal, rms=0.196497Jy sigma=0.001225 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196497Jy sigma=0.001225 ! Fit after self-cal, rms=0.196499Jy sigma=0.001222 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.5918 mas, bmaj=0.7681 mas, bpa=15.1 degrees ! Estimated noise=1322.52 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.29776 Jy ! Component: 100 - total flux cleaned = 2.97343 Jy ! Component: 150 - total flux cleaned = 3.28948 Jy ! Component: 200 - total flux cleaned = 3.45907 Jy ! Total flux subtracted in 200 components = 3.45907 Jy ! Clean residual min=-0.025265 max=0.086182 Jy/beam ! Clean residual mean=0.000183 rms=0.007648 Jy/beam ! Combined flux in latest and established models = 3.45907 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 3.45907 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.7048 mas, bmaj=0.8775 mas, bpa=17.8 degrees ! Estimated noise=830.702 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130188 Jy ! Component: 100 - total flux cleaned = 0.198315 Jy ! Component: 150 - total flux cleaned = 0.235278 Jy ! Component: 200 - total flux cleaned = 0.255979 Jy ! Total flux subtracted in 200 components = 0.255979 Jy ! Clean residual min=-0.010067 max=0.010396 Jy/beam ! Clean residual mean=-0.000084 rms=0.001932 Jy/beam ! Combined flux in latest and established models = 3.71505 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 24 components and 3.71505 Jy ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Added new window around map position (1.4, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0084981 Jy ! Component: 100 - total flux cleaned = 0.0118726 Jy ! Component: 150 - total flux cleaned = 0.0129939 Jy ! Component: 200 - total flux cleaned = 0.0143517 Jy ! Total flux subtracted in 200 components = 0.0143517 Jy ! Clean residual min=-0.008202 max=0.008575 Jy/beam ! Clean residual mean=-0.000141 rms=0.001702 Jy/beam ! Combined flux in latest and established models = 3.7294 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 32 components and 3.7294 Jy ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Added new window around map position (2.8, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194824 Jy ! Component: 100 - total flux cleaned = 0.00256449 Jy ! Component: 150 - total flux cleaned = 0.00314036 Jy ! Component: 200 - total flux cleaned = 0.0036892 Jy ! Total flux subtracted in 200 components = 0.0036892 Jy ! Clean residual min=-0.007595 max=0.005930 Jy/beam ! Clean residual mean=-0.000156 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 3.73309 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 41 components and 3.73309 Jy ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=2.272 mas, bmaj=2.444 mas, bpa=-74.6 degrees ! Estimated noise=1185.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000856929 Jy ! Component: 100 - total flux cleaned = 0.000616559 Jy ! Component: 150 - total flux cleaned = 0.000466606 Jy ! Component: 200 - total flux cleaned = 0.000421928 Jy ! Total flux subtracted in 200 components = 0.000421928 Jy ! Clean residual min=-0.006181 max=0.006255 Jy/beam ! Clean residual mean=-0.000546 rms=0.001706 Jy/beam ! Combined flux in latest and established models = 3.73352 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.24253e-05 Jy ! Component: 100 - total flux cleaned = -0.000157764 Jy ! Component: 150 - total flux cleaned = -0.000191911 Jy ! Component: 200 - total flux cleaned = -0.000254899 Jy ! Total flux subtracted in 200 components = -0.000254899 Jy ! Clean residual min=-0.006157 max=0.006262 Jy/beam ! Clean residual mean=-0.000543 rms=0.001705 Jy/beam ! Combined flux in latest and established models = 3.73326 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 3.73326 Jy ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! Estimated beam: bmin=0.7048 mas, bmaj=0.8775 mas, bpa=17.8 degrees ! Estimated noise=830.702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00030774 Jy ! Component: 100 - total flux cleaned = -6.29367e-05 Jy ! Component: 150 - total flux cleaned = 0.00017436 Jy ! Component: 200 - total flux cleaned = 0.000619997 Jy ! Total flux subtracted in 200 components = 0.000619997 Jy ! Clean residual min=-0.007025 max=0.005680 Jy/beam ! Clean residual mean=-0.000160 rms=0.001525 Jy/beam ! Combined flux in latest and established models = 3.73388 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 56 components and 3.73388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197775Jy sigma=0.001233 ! Fit after self-cal, rms=0.197629Jy sigma=0.001232 wmodel J0646+4451_X_2003_07_09_pus_map.mod ! Writing 56 model components to file: J0646+4451_X_2003_07_09_pus_map.mod wobs J0646+4451_X_2003_07_09_pus_uvs.fits ! Writing UV FITS file: J0646+4451_X_2003_07_09_pus_uvs.fits wwins J0646+4451_X_2003_07_09_pus_map.win ! wwins: Wrote 3 windows to J0646+4451_X_2003_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00323191 Jy ! Component: 100 - total flux cleaned = -0.00594895 Jy ! Component: 150 - total flux cleaned = -0.00741168 Jy ! Component: 200 - total flux cleaned = -0.00871988 Jy ! Component: 250 - total flux cleaned = -0.00978653 Jy ! Component: 300 - total flux cleaned = -0.0110389 Jy ! Component: 350 - total flux cleaned = -0.0123658 Jy ! Component: 400 - total flux cleaned = -0.0133671 Jy ! Component: 450 - total flux cleaned = -0.0142534 Jy ! Component: 500 - total flux cleaned = -0.0152232 Jy ! Component: 550 - total flux cleaned = -0.0162729 Jy ! Component: 600 - total flux cleaned = -0.0172139 Jy ! Component: 650 - total flux cleaned = -0.0182358 Jy ! Component: 700 - total flux cleaned = -0.0190614 Jy ! Component: 750 - total flux cleaned = -0.0198765 Jy ! Component: 800 - total flux cleaned = -0.0206813 Jy ! Component: 850 - total flux cleaned = -0.0214759 Jy ! Component: 900 - total flux cleaned = -0.0223474 Jy ! Component: 950 - total flux cleaned = -0.0232089 Jy ! Component: 1000 - total flux cleaned = -0.0237201 Jy ! Component: 1050 - total flux cleaned = -0.0244793 Jy ! Component: 1100 - total flux cleaned = -0.0251471 Jy ! Component: 1150 - total flux cleaned = -0.0258896 Jy ! Component: 1200 - total flux cleaned = -0.0263788 Jy ! Component: 1250 - total flux cleaned = -0.0270265 Jy ! Component: 1300 - total flux cleaned = -0.0278265 Jy ! Component: 1350 - total flux cleaned = -0.0281436 Jy ! Component: 1400 - total flux cleaned = -0.02838 Jy ! Component: 1450 - total flux cleaned = -0.0293156 Jy ! Component: 1500 - total flux cleaned = -0.0298558 Jy ! Component: 1550 - total flux cleaned = -0.030163 Jy ! Component: 1600 - total flux cleaned = -0.0306939 Jy ! Component: 1650 - total flux cleaned = -0.0312205 Jy ! Component: 1700 - total flux cleaned = -0.0315941 Jy ! Component: 1750 - total flux cleaned = -0.0318909 Jy ! Component: 1800 - total flux cleaned = -0.032333 Jy ! Component: 1850 - total flux cleaned = -0.0326245 Jy ! Component: 1900 - total flux cleaned = -0.0332032 Jy ! Component: 1950 - total flux cleaned = -0.0334176 Jy ! Component: 2000 - total flux cleaned = -0.0338453 Jy ! Total flux subtracted in 2048 components = -0.0338453 Jy ! Clean residual min=-0.004591 max=0.003658 Jy/beam ! Clean residual mean=-0.000021 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 3.70004 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 211 components and 3.70003 Jy ![Exited script file: muppet] wmap "J0646+4451_X_2003_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7048 x 0.8775 at 17.8 degrees (North through East) ! Clean map min=-0.0049879 max=3.0768 Jy/beam ! Writing clean map to FITS file: J0646+4451_X_2003_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 3.07679 invert ! Inverting map ! Your choice of large map pixels excluded 1.33% of the data. ! The x-axis pixel size should ideally be below 0.1678 milli-arcsec ! The y-axis pixel size should ideally be below 0.1949 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00116433 device "J0646+4451_X_2003_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0646+4451_X_2003_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.113527 0.113527 0.227054 0.454108 0.908217 1.81643 3.63287 7.26573 14.5315 29.0629 58.1259 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.076 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7048 x 0.8775 at 17.8 degrees (North through East) ! Clean map min=-0.0049879 max=3.0768 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0646+4451_X_2003_07_09_pus_uvs.log closed on Sun Apr 7 11:58:57 2013