! Started logfile: J1751+0939_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:52:18 2010 obs J1751+0939_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1751+0939_X_2008_04_02_pus_uva.fits ! AN table 1: 18 integrations on 120 of 120 possible baselines. ! AN table 2: 42 integrations on 120 of 120 possible baselines. ! AN table 3: 170 integrations on 120 of 120 possible baselines. ! AN table 4: 6 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.136229 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1751+0939 ! ! 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 2284 lines of history. ! ! Reading 15432 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 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 198 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 67 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 428 telescope corrections were flagged in sub-array 2. ! A total of 1808 telescope corrections were flagged in sub-array 3. ! A total of 73 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 67 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 67 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.055387Jy sigma=0.009361 ! Fit after self-cal, rms=0.556553Jy sigma=0.004999 ! 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 0.997% of the data. ! The x-axis pixel size should ideally be below 0.166 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6961 mas, bmaj=1.188 mas, bpa=-12.41 degrees ! Estimated noise=1262.06 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 = 1.13599 Jy ! Component: 100 - total flux cleaned = 1.38607 Jy ! Total flux subtracted in 100 components = 1.38607 Jy ! Clean residual min=-0.029282 max=0.080503 Jy/beam ! Clean residual mean=-0.000028 rms=0.007859 Jy/beam ! Combined flux in latest and established models = 1.38607 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.38607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290516Jy sigma=0.002178 ! Fit after self-cal, rms=0.290516Jy sigma=0.002178 ! Inverting map ! Your choice of large map pixels excluded 0.997% of the data. ! The x-axis pixel size should ideally be below 0.166 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0873042 Jy ! Component: 100 - total flux cleaned = 0.13903 Jy ! Total flux subtracted in 100 components = 0.13903 Jy ! Clean residual min=-0.026459 max=0.030976 Jy/beam ! Clean residual mean=0.000014 rms=0.005686 Jy/beam ! Combined flux in latest and established models = 1.5251 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 22 components and 1.5251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255826Jy sigma=0.001677 ! Fit after self-cal, rms=0.255298Jy sigma=0.001674 ! Inverting map ! Your choice of large map pixels excluded 0.997% of the data. ! The x-axis pixel size should ideally be below 0.166 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Added new window around map position (0.4, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0380443 Jy ! Component: 100 - total flux cleaned = 0.0641727 Jy ! Total flux subtracted in 100 components = 0.0641727 Jy ! Clean residual min=-0.025168 max=0.019512 Jy/beam ! Clean residual mean=0.000029 rms=0.005100 Jy/beam ! Combined flux in latest and established models = 1.58928 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 1.58928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248981Jy sigma=0.001571 ! Fit after self-cal, rms=0.248756Jy sigma=0.001569 ! Inverting map ! Your choice of large map pixels excluded 0.997% of the data. ! The x-axis pixel size should ideally be below 0.166 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 0.997% of the data. ! The x-axis pixel size should ideally be below 0.166 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9657 mas, bmaj=1.728 mas, bpa=-11.41 degrees ! Estimated noise=671.74 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 = 0.0224428 Jy ! Component: 100 - total flux cleaned = 0.0279688 Jy ! Component: 150 - total flux cleaned = 0.0308662 Jy ! Component: 200 - total flux cleaned = 0.0331629 Jy ! Total flux subtracted in 200 components = 0.0331629 Jy ! Clean residual min=-0.025906 max=0.014374 Jy/beam ! Clean residual mean=0.000007 rms=0.004503 Jy/beam ! Combined flux in latest and established models = 1.62244 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 38 components and 1.62244 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246908Jy sigma=0.001534 ! Fit after self-cal, rms=0.246785Jy sigma=0.001533 ! Inverting map ! Your choice of large map pixels excluded 0.997% of the data. ! The x-axis pixel size should ideally be below 0.166 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 1.00* FD 1.00* HH 0.98 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 1.04 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00 ZC 0.84 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.96 HH 0.95 HN 1.02 ! KK 0.96 KP 1.00 LA 0.98 MK 0.99 ! NL 1.01 NY 1.00 ON 1.05 OV 0.97 ! PT 0.96 SC 1.00* WZ 1.59 ZC 0.91 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.02 HH 1.00* HN 1.01 ! KK 1.00 KP 1.05 LA 1.03 MK 0.99 ! NL 0.97 NY 1.02 ON 0.91 OV 1.00 ! PT 1.01 SC 0.99 WZ 1.69 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.16 ON 1.07 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.07 ZC 1.76 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.99 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.06 ON 1.05 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.01 ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.96 HH 1.03 HN 1.02 ! KK 0.96 KP 0.95 LA 0.97 MK 0.98 ! NL 0.97 NY 1.10 ON 1.05 OV 0.95 ! PT 0.96 SC 1.00* WZ 1.52 ZC 1.00* ! ! A total of 171 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.00 HH 1.00* HN 1.01 ! KK 0.99 KP 0.99 LA 1.01 MK 1.00 ! NL 0.95 NY 1.02 ON 0.92 OV 0.97 ! PT 1.01 SC 1.00 WZ 1.81 ZC 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* HH 0.89 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.21 ON 1.16 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.14 ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.99 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.96 ZC 0.88 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.96 HH 0.92 HN 1.01 ! KK 1.00 KP 0.99 LA 1.00 MK 0.98 ! NL 0.99 NY 0.97 ON 1.00 OV 1.00 ! PT 0.95 SC 1.00* WZ 1.50 ZC 0.95 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.02 HH 1.00* HN 1.01 ! KK 1.05 KP 1.03 LA 1.05 MK 1.00 ! NL 0.97 NY 0.97 ON 0.90 OV 1.02 ! PT 1.01 SC 1.03 WZ 1.74 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.06 ON 1.06 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.04 ZC 2.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.01 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.99 ON 1.01 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.97 ZC 0.90 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 HH 1.10 HN 1.01 ! KK 0.98 KP 0.98 LA 0.99 MK 1.02 ! NL 1.00 NY 1.04 ON 0.92 OV 0.98 ! PT 0.94 SC 1.00* WZ 1.86 ZC 0.87 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.00 HH 1.00* HN 1.01 ! KK 0.98 KP 1.02 LA 1.03 MK 1.03 ! NL 0.98 NY 1.02 ON 0.90 OV 1.01 ! PT 1.00 SC 1.04 WZ 2.03 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.05 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.12 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.97 ZC 2.04 ! ! ! Fit before self-cal, rms=0.246785Jy sigma=0.001533 ! Fit after self-cal, rms=0.235400Jy sigma=0.001371 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9794 mas, bmaj=1.73 mas, bpa=-9.512 degrees ! Estimated noise=690.195 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 = 0.00293898 Jy ! Component: 100 - total flux cleaned = 0.00279257 Jy ! Component: 150 - total flux cleaned = 0.0027865 Jy ! Component: 200 - total flux cleaned = 0.00287891 Jy ! Total flux subtracted in 200 components = 0.00287891 Jy ! Clean residual min=-0.015079 max=0.009171 Jy/beam ! Clean residual mean=0.000010 rms=0.003123 Jy/beam ! Combined flux in latest and established models = 1.62532 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 52 components and 1.62532 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235232Jy sigma=0.001368 ! Fit after self-cal, rms=0.236125Jy sigma=0.001367 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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=0.236125Jy sigma=0.001367 ! Fit after self-cal, rms=0.233117Jy sigma=0.001308 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9807 mas, bmaj=1.73 mas, bpa=-9.529 degrees ! Estimated noise=690.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00579922 Jy ! Component: 100 - total flux cleaned = 0.00603691 Jy ! Component: 150 - total flux cleaned = 0.00603723 Jy ! Component: 200 - total flux cleaned = 0.00603827 Jy ! Total flux subtracted in 200 components = 0.00603827 Jy ! Clean residual min=-0.010772 max=0.008348 Jy/beam ! Clean residual mean=0.000053 rms=0.002393 Jy/beam ! Combined flux in latest and established models = 1.63136 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 59 components and 1.63136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232989Jy sigma=0.001306 ! Fit after self-cal, rms=0.232977Jy sigma=0.001305 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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 = 0.000397646 Jy ! Component: 100 - total flux cleaned = 0.00067842 Jy ! Component: 150 - total flux cleaned = 0.000676975 Jy ! Component: 200 - total flux cleaned = 0.000676215 Jy ! Total flux subtracted in 200 components = 0.000676215 Jy ! Clean residual min=-0.010627 max=0.008316 Jy/beam ! Clean residual mean=0.000053 rms=0.002387 Jy/beam ! Combined flux in latest and established models = 1.63203 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 60 components and 1.63203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232882Jy sigma=0.001304 ! Fit after self-cal, rms=0.232846Jy sigma=0.001304 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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=0.232846Jy sigma=0.001304 ! Fit after self-cal, rms=0.226999Jy sigma=0.001222 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9807 mas, bmaj=1.73 mas, bpa=-9.568 degrees ! Estimated noise=690.838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00352006 Jy ! Component: 100 - total flux cleaned = 0.00363133 Jy ! Component: 150 - total flux cleaned = 0.00371107 Jy ! Component: 200 - total flux cleaned = 0.00370905 Jy ! Total flux subtracted in 200 components = 0.00370905 Jy ! Clean residual min=-0.004299 max=0.006076 Jy/beam ! Clean residual mean=-0.000015 rms=0.001166 Jy/beam ! Combined flux in latest and established models = 1.63574 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 1.63574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226874Jy sigma=0.001221 ! Fit after self-cal, rms=0.226843Jy sigma=0.001220 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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) ! Added new window around map position (3.2, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00632626 Jy ! Component: 100 - total flux cleaned = 0.0101024 Jy ! Component: 150 - total flux cleaned = 0.0119769 Jy ! Component: 200 - total flux cleaned = 0.0135763 Jy ! Total flux subtracted in 200 components = 0.0135763 Jy ! Clean residual min=-0.003755 max=0.004433 Jy/beam ! Clean residual mean=-0.000014 rms=0.000940 Jy/beam ! Combined flux in latest and established models = 1.64932 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 79 components and 1.64932 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226612Jy sigma=0.001217 ! Fit after self-cal, rms=0.226574Jy sigma=0.001217 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Added new window around map position (1.4, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00354166 Jy ! Component: 100 - total flux cleaned = 0.00499812 Jy ! Component: 150 - total flux cleaned = 0.00544128 Jy ! Component: 200 - total flux cleaned = 0.00576045 Jy ! Total flux subtracted in 200 components = 0.00576045 Jy ! Clean residual min=-0.004209 max=0.003676 Jy/beam ! Clean residual mean=-0.000014 rms=0.000887 Jy/beam ! Combined flux in latest and established models = 1.65508 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 91 components and 1.65508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226466Jy sigma=0.001216 ! Fit after self-cal, rms=0.226447Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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=0.226447Jy sigma=0.001216 ! Fit after self-cal, rms=0.226375Jy sigma=0.001215 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=2.343 mas, bmaj=3.039 mas, bpa=-11.14 degrees ! Estimated noise=807.802 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00246075 Jy ! Component: 100 - total flux cleaned = 0.00335927 Jy ! Component: 150 - total flux cleaned = 0.00397275 Jy ! Component: 200 - total flux cleaned = 0.00444154 Jy ! Total flux subtracted in 200 components = 0.00444154 Jy ! Clean residual min=-0.002816 max=0.003241 Jy/beam ! Clean residual mean=-0.000025 rms=0.000881 Jy/beam ! Combined flux in latest and established models = 1.65952 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 114 components and 1.65952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226346Jy sigma=0.001215 ! Fit after self-cal, rms=0.226330Jy sigma=0.001214 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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 = 0.000315323 Jy ! Component: 100 - total flux cleaned = 0.000760587 Jy ! Component: 150 - total flux cleaned = 0.000837803 Jy ! Component: 200 - total flux cleaned = 0.000998858 Jy ! Total flux subtracted in 200 components = 0.000998858 Jy ! Clean residual min=-0.002790 max=0.003223 Jy/beam ! Clean residual mean=-0.000025 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 1.66052 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 128 components and 1.66052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226317Jy sigma=0.001214 ! Fit after self-cal, rms=0.226305Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9808 mas, bmaj=1.73 mas, bpa=-9.588 degrees ! Estimated noise=690.845 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9808 x 1.73 at -9.588 degrees (North through East) ! Clean map min=-0.0029612 max=1.4848 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=0.226305Jy sigma=0.001214 ! Fit after self-cal, rms=0.232104Jy sigma=0.001088 ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9806 mas, bmaj=1.73 mas, bpa=-9.584 degrees ! Estimated noise=690.557 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000892711 Jy ! Component: 100 - total flux cleaned = 0.000973109 Jy ! Component: 150 - total flux cleaned = 0.00104653 Jy ! Component: 200 - total flux cleaned = 0.00104812 Jy ! Total flux subtracted in 200 components = 0.00104812 Jy ! Clean residual min=-0.002912 max=0.003336 Jy/beam ! Clean residual mean=-0.000010 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 1.66157 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 135 components and 1.66157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232025Jy sigma=0.001087 ! Fit after self-cal, rms=0.232020Jy sigma=0.001087 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Added new window around map position (-15, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00235626 Jy ! Component: 100 - total flux cleaned = 0.0030159 Jy ! Component: 150 - total flux cleaned = 0.00367187 Jy ! Component: 200 - total flux cleaned = 0.00393561 Jy ! Total flux subtracted in 200 components = 0.00393561 Jy ! Clean residual min=-0.002747 max=0.003037 Jy/beam ! Clean residual mean=-0.000007 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 1.6655 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 151 components and 1.6655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231947Jy sigma=0.001086 ! Fit after self-cal, rms=0.231949Jy sigma=0.001086 ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231949Jy sigma=0.001086 ! Fit after self-cal, rms=0.240286Jy sigma=0.001086 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 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.7087 mas, bmaj=1.199 mas, bpa=-12.7 degrees ! Estimated noise=1261.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.14065 Jy ! Component: 100 - total flux cleaned = 1.39127 Jy ! Component: 150 - total flux cleaned = 1.47714 Jy ! Component: 200 - total flux cleaned = 1.5234 Jy ! Total flux subtracted in 200 components = 1.5234 Jy ! Clean residual min=-0.009471 max=0.024089 Jy/beam ! Clean residual mean=-0.000026 rms=0.002745 Jy/beam ! Combined flux in latest and established models = 1.5234 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.5234 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9808 mas, bmaj=1.73 mas, bpa=-9.586 degrees ! Estimated noise=690.619 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 = 0.050551 Jy ! Component: 100 - total flux cleaned = 0.0780403 Jy ! Component: 150 - total flux cleaned = 0.0944583 Jy ! Component: 200 - total flux cleaned = 0.105293 Jy ! Total flux subtracted in 200 components = 0.105293 Jy ! Clean residual min=-0.004285 max=0.006644 Jy/beam ! Clean residual mean=-0.000015 rms=0.001371 Jy/beam ! Combined flux in latest and established models = 1.62869 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 55 components and 1.62869 Jy ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Added new window around map position (1.2, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00801024 Jy ! Component: 100 - total flux cleaned = 0.014113 Jy ! Component: 150 - total flux cleaned = 0.0188911 Jy ! Component: 200 - total flux cleaned = 0.022837 Jy ! Total flux subtracted in 200 components = 0.022837 Jy ! Clean residual min=-0.003376 max=0.003194 Jy/beam ! Clean residual mean=-0.000013 rms=0.000856 Jy/beam ! Combined flux in latest and established models = 1.65153 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 74 components and 1.65153 Jy ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 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 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=2.341 mas, bmaj=3.039 mas, bpa=-11.13 degrees ! Estimated noise=807.677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00404084 Jy ! Component: 100 - total flux cleaned = 0.00698881 Jy ! Component: 150 - total flux cleaned = 0.00886286 Jy ! Component: 200 - total flux cleaned = 0.0103107 Jy ! Total flux subtracted in 200 components = 0.0103107 Jy ! Clean residual min=-0.003216 max=0.002677 Jy/beam ! Clean residual mean=-0.000023 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 1.66184 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 = 0.0012476 Jy ! Component: 100 - total flux cleaned = 0.00202979 Jy ! Component: 150 - total flux cleaned = 0.00234175 Jy ! Component: 200 - total flux cleaned = 0.00261752 Jy ! Total flux subtracted in 200 components = 0.00261752 Jy ! Clean residual min=-0.003101 max=0.002536 Jy/beam ! Clean residual mean=-0.000022 rms=0.000761 Jy/beam ! Combined flux in latest and established models = 1.66446 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 118 components and 1.66446 Jy ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.9808 mas, bmaj=1.73 mas, bpa=-9.586 degrees ! Estimated noise=690.619 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000592005 Jy ! Component: 100 - total flux cleaned = -0.000428866 Jy ! Component: 150 - total flux cleaned = -0.000136397 Jy ! Component: 200 - total flux cleaned = 5.40967e-07 Jy ! Total flux subtracted in 200 components = 5.40967e-07 Jy ! Clean residual min=-0.003039 max=0.003038 Jy/beam ! Clean residual mean=-0.000010 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 1.66446 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 134 components and 1.66446 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.240268Jy sigma=0.001086 ! Fit after self-cal, rms=0.240223Jy sigma=0.001085 wmodel J1751+0939_X_2008_04_02_pus_map.mod ! Writing 134 model components to file: J1751+0939_X_2008_04_02_pus_map.mod wobs J1751+0939_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1751+0939_X_2008_04_02_pus_uvs.fits wwins J1751+0939_X_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J1751+0939_X_2008_04_02_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 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000543829 Jy ! Component: 100 - total flux cleaned = 0.000992891 Jy ! Component: 150 - total flux cleaned = 0.000993835 Jy ! Component: 200 - total flux cleaned = 0.000811386 Jy ! Component: 250 - total flux cleaned = 0.000631868 Jy ! Component: 300 - total flux cleaned = 0.000236386 Jy ! Component: 350 - total flux cleaned = -6.43563e-05 Jy ! Component: 400 - total flux cleaned = -0.000192177 Jy ! Component: 450 - total flux cleaned = -0.000568228 Jy ! Component: 500 - total flux cleaned = -0.000814111 Jy ! Component: 550 - total flux cleaned = -0.0011371 Jy ! Component: 600 - total flux cleaned = -0.00141646 Jy ! Component: 650 - total flux cleaned = -0.00173182 Jy ! Component: 700 - total flux cleaned = -0.00212125 Jy ! Component: 750 - total flux cleaned = -0.00254519 Jy ! Component: 800 - total flux cleaned = -0.0027737 Jy ! Component: 850 - total flux cleaned = -0.00330229 Jy ! Component: 900 - total flux cleaned = -0.00356364 Jy ! Component: 950 - total flux cleaned = -0.00382262 Jy ! Component: 1000 - total flux cleaned = -0.00415317 Jy ! Component: 1050 - total flux cleaned = -0.0044806 Jy ! Component: 1100 - total flux cleaned = -0.00469748 Jy ! Component: 1150 - total flux cleaned = -0.00509126 Jy ! Component: 1200 - total flux cleaned = -0.00533923 Jy ! Component: 1250 - total flux cleaned = -0.00555003 Jy ! Component: 1300 - total flux cleaned = -0.0059336 Jy ! Component: 1350 - total flux cleaned = -0.00610655 Jy ! Component: 1400 - total flux cleaned = -0.00648435 Jy ! Component: 1450 - total flux cleaned = -0.00672275 Jy ! Component: 1500 - total flux cleaned = -0.00692516 Jy ! Component: 1550 - total flux cleaned = -0.00729425 Jy ! Component: 1600 - total flux cleaned = -0.00752691 Jy ! Component: 1650 - total flux cleaned = -0.0077583 Jy ! Component: 1700 - total flux cleaned = -0.00808675 Jy ! Component: 1750 - total flux cleaned = -0.00834804 Jy ! Component: 1800 - total flux cleaned = -0.00847772 Jy ! Component: 1850 - total flux cleaned = -0.00873548 Jy ! Component: 1900 - total flux cleaned = -0.00905494 Jy ! Component: 1950 - total flux cleaned = -0.00918215 Jy ! Component: 2000 - total flux cleaned = -0.00937165 Jy ! Total flux subtracted in 2048 components = -0.00974804 Jy ! Clean residual min=-0.001564 max=0.001593 Jy/beam ! Clean residual mean=-0.000007 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 1.65471 Jy keep ! Adding 139 model components to the UV plane model. ! The established model now contains 272 components and 1.65471 Jy wmap "J1751+0939_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9808 x 1.73 at -9.586 degrees (North through East) ! Clean map min=-0.0025679 max=1.4843 Jy/beam ! Writing clean map to FITS file: J1751+0939_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.48431 invert ! Inverting map ! Your choice of large map pixels excluded 0.889% of the data. ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000564335 device "J1751+0939_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1751+0939_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.11406 0.11406 0.22812 0.456241 0.912482 1.82496 3.64993 7.29985 14.5997 29.1994 58.3988 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.484 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9808 x 1.73 at -9.586 degrees (North through East) ! Clean map min=-0.0025679 max=1.4843 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1751+0939_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1751+0939_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1751+0939_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:52:23 2010