! Started logfile: J0237+2848_X_2003_06_18_pus_uvs.log on Wed Jan 17 16:13:43 2007 obs J0237+2848_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0237+2848_X_2003_06_18_pus_uva.fits ! AN table 1: 27 integrations on 153 of 153 possible baselines. ! AN table 2: 28 integrations on 153 of 153 possible baselines. ! AN table 3: Unused. ! AN table 4: Unused. ! AN table 5: 314 integrations on 153 of 153 possible baselines. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.495032 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0237+2848 ! ! 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 2231 lines of history. ! ! Reading 111792 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 = 256x256 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 241 telescope corrections were flagged in sub-array 1. ! A total of 504 telescope corrections were flagged in sub-array 2. ! A total of 3196 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 241 telescope corrections were flagged in sub-array 1. ! A total of 501 telescope corrections were flagged in sub-array 2. ! A total of 3165 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 241 telescope corrections were flagged in sub-array 1. ! A total of 501 telescope corrections were flagged in sub-array 2. ! A total of 3164 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 241 telescope corrections were flagged in sub-array 1. ! A total of 501 telescope corrections were flagged in sub-array 2. ! A total of 3164 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.691587Jy sigma=0.022529 ! Fit after self-cal, rms=1.387290Jy sigma=0.018919 ! 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 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.5613 mas, bmaj=1.067 mas, bpa=-0.7103 degrees ! Estimated noise=589.044 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 = 1.71134 Jy ! Component: 100 - total flux cleaned = 2.18462 Jy ! Total flux subtracted in 100 components = 2.18462 Jy ! Clean residual min=-0.046697 max=0.199736 Jy/beam ! Clean residual mean=0.001493 rms=0.015990 Jy/beam ! Combined flux in latest and established models = 2.18462 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 2.18462 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.641015Jy sigma=0.005989 ! Fit after self-cal, rms=0.640909Jy sigma=0.005988 ! Inverting map ! Your choice of large map pixels excluded 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.232027 Jy ! Component: 100 - total flux cleaned = 0.37098 Jy ! Total flux subtracted in 100 components = 0.37098 Jy ! Clean residual min=-0.036383 max=0.071123 Jy/beam ! Clean residual mean=0.000870 rms=0.008102 Jy/beam ! Combined flux in latest and established models = 2.5556 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 2.5556 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.518478Jy sigma=0.003411 ! Fit after self-cal, rms=0.518100Jy sigma=0.003407 ! Inverting map ! Your choice of large map pixels excluded 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0844552 Jy ! Component: 100 - total flux cleaned = 0.135157 Jy ! Total flux subtracted in 100 components = 0.135157 Jy ! Clean residual min=-0.032137 max=0.035728 Jy/beam ! Clean residual mean=0.000643 rms=0.006493 Jy/beam ! Combined flux in latest and established models = 2.69076 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 15 components and 2.69076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.499327Jy sigma=0.002983 ! Fit after self-cal, rms=0.499234Jy sigma=0.002982 ! Inverting map ! Your choice of large map pixels excluded 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7503 mas, bmaj=1.336 mas, bpa=-0.9824 degrees ! Estimated noise=266.164 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 = 0.0298523 Jy ! Component: 100 - total flux cleaned = 0.0354598 Jy ! Component: 150 - total flux cleaned = 0.037007 Jy ! Component: 200 - total flux cleaned = 0.0379445 Jy ! Total flux subtracted in 200 components = 0.0379445 Jy ! Clean residual min=-0.025201 max=0.046300 Jy/beam ! Clean residual mean=0.003386 rms=0.008404 Jy/beam ! Combined flux in latest and established models = 2.7287 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 17 components and 2.7287 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.492920Jy sigma=0.002945 ! Fit after self-cal, rms=0.492866Jy sigma=0.002945 ! Inverting map ! Your choice of large map pixels excluded 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (-0.4, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0450044 Jy ! Component: 100 - total flux cleaned = 0.0713947 Jy ! Component: 150 - total flux cleaned = 0.0887447 Jy ! Component: 200 - total flux cleaned = 0.0968409 Jy ! Total flux subtracted in 200 components = 0.0968409 Jy ! Clean residual min=-0.024613 max=0.031665 Jy/beam ! Clean residual mean=0.002302 rms=0.006403 Jy/beam ! Combined flux in latest and established models = 2.82554 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 36 components and 2.82554 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487558Jy sigma=0.002832 ! Fit after self-cal, rms=0.487205Jy sigma=0.002823 ! Inverting map ! Your choice of large map pixels excluded 4% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 GG 1.00* HN 1.00 ! KK 1.00* KP 1.03 LA 0.99 MA 1.00* ! MK 0.95 NL 1.09 ON 1.00* OV 1.01 ! PT 1.01 SC 1.04 TC 1.00* TS 1.03 ! WF 1.13 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 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* ! ! A total of 93 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.00 GG 1.00* HN 0.95 ! KK 1.10 KP 1.01 LA 0.97 MA 1.00* ! MK 1.01 NL 1.05 ON 1.07 OV 0.98 ! PT 0.98 SC 0.96 TC 1.34 TS 1.00* ! WF 1.01 WZ 1.06 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GG 1.00* HN 1.02 ! KK 1.00* KP 0.97 LA 1.00 MA 1.00* ! MK 0.96 NL 1.05 ON 1.00* OV 1.00 ! PT 1.06 SC 1.00 TC 1.00* TS 1.02 ! WF 1.15 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 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* ! ! A total of 93 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 GG 1.00* HN 0.95 ! KK 1.09 KP 0.96 LA 0.97 MA 1.19 ! MK 1.02 NL 1.01 ON 1.09 OV 0.97 ! PT 1.02 SC 0.93 TC 1.40 TS 1.00* ! WF 1.02 WZ 1.00 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 GG 1.00* HN 1.01 ! KK 1.00* KP 1.02 LA 1.00 MA 1.00* ! MK 0.96 NL 1.04 ON 1.00* OV 1.04 ! PT 1.09 SC 1.04 TC 1.00* TS 1.02 ! WF 1.09 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 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* ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.99 GG 1.00* HN 0.95 ! KK 1.15 KP 1.00 LA 0.98 MA 1.33 ! MK 1.02 NL 1.00 ON 1.08 OV 1.01 ! PT 1.05 SC 0.95 TC 1.33 TS 1.00* ! WF 0.99 WZ 1.03 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 GG 1.00* HN 1.04 ! KK 1.00* KP 0.97 LA 0.98 MA 1.00* ! MK 1.00 NL 1.04 ON 1.00* OV 1.03 ! PT 1.10 SC 1.09 TC 1.00* TS 1.04 ! WF 1.07 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 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* ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.97 GG 1.00* HN 0.97 ! KK 1.10 KP 0.96 LA 0.96 MA 1.28 ! MK 1.07 NL 1.01 ON 1.13 OV 1.00 ! PT 1.05 SC 1.00 TC 1.32 TS 1.00* ! WF 1.00 WZ 1.04 ! ! ! Fit before self-cal, rms=0.487205Jy sigma=0.002823 ! Fit after self-cal, rms=0.572411Jy sigma=0.002260 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7564 mas, bmaj=1.412 mas, bpa=-1.893 degrees ! Estimated noise=268.576 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 = 0.00339691 Jy ! Component: 100 - total flux cleaned = 0.00679812 Jy ! Component: 150 - total flux cleaned = 0.00931182 Jy ! Component: 200 - total flux cleaned = 0.0118657 Jy ! Total flux subtracted in 200 components = 0.0118657 Jy ! Clean residual min=-0.013455 max=0.015481 Jy/beam ! Clean residual mean=0.001131 rms=0.003872 Jy/beam ! Combined flux in latest and established models = 2.83741 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 49 components and 2.83741 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.571783Jy sigma=0.002235 ! Fit after self-cal, rms=0.572128Jy sigma=0.002233 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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=0.572128Jy sigma=0.002233 ! Fit after self-cal, rms=0.575406Jy sigma=0.002136 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7559 mas, bmaj=1.416 mas, bpa=-2.055 degrees ! Estimated noise=269.217 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0113968 Jy ! Component: 100 - total flux cleaned = 0.0165781 Jy ! Component: 150 - total flux cleaned = 0.0200957 Jy ! Component: 200 - total flux cleaned = 0.0219873 Jy ! Total flux subtracted in 200 components = 0.0219873 Jy ! Clean residual min=-0.012023 max=0.012867 Jy/beam ! Clean residual mean=0.000807 rms=0.003158 Jy/beam ! Combined flux in latest and established models = 2.8594 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 55 components and 2.8594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.575200Jy sigma=0.002126 ! Fit after self-cal, rms=0.575183Jy sigma=0.002125 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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 = 0.000361779 Jy ! Component: 100 - total flux cleaned = 0.00235088 Jy ! Component: 150 - total flux cleaned = 0.00426346 Jy ! Component: 200 - total flux cleaned = 0.00578743 Jy ! Total flux subtracted in 200 components = 0.00578743 Jy ! Clean residual min=-0.012396 max=0.012900 Jy/beam ! Clean residual mean=0.000742 rms=0.003085 Jy/beam ! Combined flux in latest and established models = 2.86518 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 2.86518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.575158Jy sigma=0.002121 ! Fit after self-cal, rms=0.575110Jy sigma=0.002120 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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=0.575110Jy sigma=0.002120 ! Fit after self-cal, rms=0.591925Jy sigma=0.001923 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7562 mas, bmaj=1.419 mas, bpa=-1.989 degrees ! Estimated noise=269.261 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0032923 Jy ! Component: 100 - total flux cleaned = 0.00488371 Jy ! Component: 150 - total flux cleaned = 0.00570012 Jy ! Component: 200 - total flux cleaned = 0.00597776 Jy ! Total flux subtracted in 200 components = 0.00597776 Jy ! Clean residual min=-0.006616 max=0.011430 Jy/beam ! Clean residual mean=0.000735 rms=0.001994 Jy/beam ! Combined flux in latest and established models = 2.87116 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 2.87116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.591817Jy sigma=0.001919 ! Fit after self-cal, rms=0.591788Jy sigma=0.001918 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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 (-2.4, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106296 Jy ! Component: 100 - total flux cleaned = 0.0162372 Jy ! Component: 150 - total flux cleaned = 0.0170211 Jy ! Component: 200 - total flux cleaned = 0.0173504 Jy ! Total flux subtracted in 200 components = 0.0173504 Jy ! Clean residual min=-0.006718 max=0.009395 Jy/beam ! Clean residual mean=0.000526 rms=0.001730 Jy/beam ! Combined flux in latest and established models = 2.88851 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 79 components and 2.88851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.591459Jy sigma=0.001909 ! Fit after self-cal, rms=0.591411Jy sigma=0.001908 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (0.2, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00904192 Jy ! Component: 100 - total flux cleaned = 0.0142883 Jy ! Component: 150 - total flux cleaned = 0.0161113 Jy ! Component: 200 - total flux cleaned = 0.0169087 Jy ! Total flux subtracted in 200 components = 0.0169087 Jy ! Clean residual min=-0.006333 max=0.005534 Jy/beam ! Clean residual mean=0.000341 rms=0.001354 Jy/beam ! Combined flux in latest and established models = 2.90542 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 100 components and 2.90542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.591232Jy sigma=0.001900 ! Fit after self-cal, rms=0.591218Jy sigma=0.001899 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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=0.591218Jy sigma=0.001899 ! Fit after self-cal, rms=0.595355Jy sigma=0.001897 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=2.022 mas, bmaj=2.873 mas, bpa=-3 degrees ! Estimated noise=327.954 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00775385 Jy ! Component: 100 - total flux cleaned = 0.0107669 Jy ! Component: 150 - total flux cleaned = 0.0117948 Jy ! Component: 200 - total flux cleaned = 0.012945 Jy ! Total flux subtracted in 200 components = 0.012945 Jy ! Clean residual min=-0.004622 max=0.006200 Jy/beam ! Clean residual mean=0.000729 rms=0.001751 Jy/beam ! Combined flux in latest and established models = 2.91836 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 121 components and 2.91837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.595342Jy sigma=0.001895 ! Fit after self-cal, rms=0.595327Jy sigma=0.001895 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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 = 0.000840606 Jy ! Component: 100 - total flux cleaned = 0.00168556 Jy ! Component: 150 - total flux cleaned = 0.00263105 Jy ! Component: 200 - total flux cleaned = 0.00336551 Jy ! Total flux subtracted in 200 components = 0.00336551 Jy ! Clean residual min=-0.004392 max=0.005630 Jy/beam ! Clean residual mean=0.000625 rms=0.001670 Jy/beam ! Combined flux in latest and established models = 2.92173 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 126 components and 2.92173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.595325Jy sigma=0.001894 ! Fit after self-cal, rms=0.595322Jy sigma=0.001894 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7563 mas, bmaj=1.422 mas, bpa=-1.984 degrees ! Estimated noise=269.379 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7563 x 1.422 at -1.984 degrees (North through East) ! Clean map min=-0.0043413 max=2.3754 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=0.595322Jy sigma=0.001894 ! Fit after self-cal, rms=0.755722Jy sigma=0.001703 ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7561 mas, bmaj=1.421 mas, bpa=-1.99 degrees ! Estimated noise=269.127 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.57603e-05 Jy ! Component: 100 - total flux cleaned = 0.000623013 Jy ! Component: 150 - total flux cleaned = 0.00063096 Jy ! Component: 200 - total flux cleaned = 0.00074531 Jy ! Total flux subtracted in 200 components = 0.00074531 Jy ! Clean residual min=-0.005306 max=0.005703 Jy/beam ! Clean residual mean=0.000282 rms=0.001115 Jy/beam ! Combined flux in latest and established models = 2.92248 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 129 components and 2.92248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.755648Jy sigma=0.001700 ! Fit after self-cal, rms=0.755619Jy sigma=0.001700 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000215278 Jy ! Component: 100 - total flux cleaned = -8.88245e-05 Jy ! Component: 150 - total flux cleaned = -8.45325e-05 Jy ! Component: 200 - total flux cleaned = -8.42728e-05 Jy ! Total flux subtracted in 200 components = -8.42728e-05 Jy ! Clean residual min=-0.005012 max=0.005677 Jy/beam ! Clean residual mean=0.000283 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 2.92239 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 137 components and 2.92239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.755561Jy sigma=0.001699 ! Fit after self-cal, rms=0.755541Jy sigma=0.001698 ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.755541Jy sigma=0.001698 ! Fit after self-cal, rms=0.758471Jy sigma=0.001698 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 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.5657 mas, bmaj=1.121 mas, bpa=-1.263 degrees ! Estimated noise=603.709 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.74637 Jy ! Component: 100 - total flux cleaned = 2.20932 Jy ! Component: 150 - total flux cleaned = 2.42211 Jy ! Component: 200 - total flux cleaned = 2.54509 Jy ! Total flux subtracted in 200 components = 2.54509 Jy ! Clean residual min=-0.016633 max=0.062710 Jy/beam ! Clean residual mean=0.000725 rms=0.005638 Jy/beam ! Combined flux in latest and established models = 2.54509 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 14 model components to the UV plane model. ! The established model now contains 14 components and 2.54509 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7562 mas, bmaj=1.422 mas, bpa=-2.003 degrees ! Estimated noise=269.233 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 = 0.0976709 Jy ! Component: 100 - total flux cleaned = 0.152357 Jy ! Component: 150 - total flux cleaned = 0.190653 Jy ! Component: 200 - total flux cleaned = 0.219644 Jy ! Total flux subtracted in 200 components = 0.219644 Jy ! Clean residual min=-0.008499 max=0.017894 Jy/beam ! Clean residual mean=0.002088 rms=0.004604 Jy/beam ! Combined flux in latest and established models = 2.76473 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 42 components and 2.76473 Jy ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 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 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=2.022 mas, bmaj=2.873 mas, bpa=-2.99 degrees ! Estimated noise=327.856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0457917 Jy ! Component: 100 - total flux cleaned = 0.0752474 Jy ! Component: 150 - total flux cleaned = 0.0962798 Jy ! Component: 200 - total flux cleaned = 0.11186 Jy ! Total flux subtracted in 200 components = 0.11186 Jy ! Clean residual min=-0.005466 max=0.012243 Jy/beam ! Clean residual mean=0.002189 rms=0.003572 Jy/beam ! Combined flux in latest and established models = 2.87659 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 = 0.0118022 Jy ! Component: 100 - total flux cleaned = 0.0208899 Jy ! Component: 150 - total flux cleaned = 0.0279509 Jy ! Component: 200 - total flux cleaned = 0.0334708 Jy ! Total flux subtracted in 200 components = 0.0334708 Jy ! Clean residual min=-0.003763 max=0.007902 Jy/beam ! Clean residual mean=0.001161 rms=0.001901 Jy/beam ! Combined flux in latest and established models = 2.91006 Jy ! Adding 137 model components to the UV plane model. ! The established model now contains 174 components and 2.91006 Jy ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.7562 mas, bmaj=1.422 mas, bpa=-2.003 degrees ! Estimated noise=269.233 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000850528 Jy ! Component: 100 - total flux cleaned = -0.00042287 Jy ! Component: 150 - total flux cleaned = 0.00124267 Jy ! Component: 200 - total flux cleaned = 0.00266229 Jy ! Total flux subtracted in 200 components = 0.00266229 Jy ! Clean residual min=-0.006321 max=0.007224 Jy/beam ! Clean residual mean=0.000408 rms=0.001291 Jy/beam ! Combined flux in latest and established models = 2.91272 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 176 components and 2.91272 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.760132Jy sigma=0.001724 ! Fit after self-cal, rms=0.760204Jy sigma=0.001718 wmodel J0237+2848_X_2003_06_18_pus_map.mod ! Writing 176 model components to file: J0237+2848_X_2003_06_18_pus_map.mod wobs J0237+2848_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0237+2848_X_2003_06_18_pus_uvs.fits wwins J0237+2848_X_2003_06_18_pus_map.win ! wwins: Wrote 4 windows to J0237+2848_X_2003_06_18_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 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319935 Jy ! Component: 100 - total flux cleaned = 0.00477719 Jy ! Component: 150 - total flux cleaned = 0.0051867 Jy ! Component: 200 - total flux cleaned = 0.00547705 Jy ! Component: 250 - total flux cleaned = 0.00584145 Jy ! Component: 300 - total flux cleaned = 0.00636153 Jy ! Component: 350 - total flux cleaned = 0.00694695 Jy ! Component: 400 - total flux cleaned = 0.00759341 Jy ! Component: 450 - total flux cleaned = 0.00821792 Jy ! Component: 500 - total flux cleaned = 0.00867294 Jy ! Component: 550 - total flux cleaned = 0.00904301 Jy ! Component: 600 - total flux cleaned = 0.00940498 Jy ! Component: 650 - total flux cleaned = 0.0096195 Jy ! Component: 700 - total flux cleaned = 0.00990203 Jy ! Component: 750 - total flux cleaned = 0.0101807 Jy ! Component: 800 - total flux cleaned = 0.0105918 Jy ! Component: 850 - total flux cleaned = 0.0108613 Jy ! Component: 900 - total flux cleaned = 0.0111939 Jy ! Component: 950 - total flux cleaned = 0.0115215 Jy ! Component: 1000 - total flux cleaned = 0.0117802 Jy ! Total flux subtracted in 1024 components = 0.0119087 Jy ! Clean residual min=-0.003212 max=0.003203 Jy/beam ! Clean residual mean=0.000268 rms=0.000999 Jy/beam ! Combined flux in latest and established models = 2.92463 Jy keep ! Adding 40 model components to the UV plane model. ! The established model now contains 212 components and 2.92463 Jy wmap "J0237+2848_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7562 x 1.422 at -2.003 degrees (North through East) ! Clean map min=-0.0037465 max=2.3762 Jy/beam ! Writing clean map to FITS file: J0237+2848_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.37619 invert ! Inverting map ! Your choice of large map pixels excluded 3.94% of the data. ! The x-axis pixel size should ideally be below 0.1552 milli-arcsec ! The y-axis pixel size should ideally be below 0.1634 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00099947 device "J0237+2848_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0237+2848_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.126186 0.126186 0.252372 0.504743 1.00949 2.01897 4.03795 8.07589 16.1518 32.3036 64.6071 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.376 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7562 x 1.422 at -2.003 degrees (North through East) ! Clean map min=-0.0037465 max=2.3762 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0237+2848_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0237+2848_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0237+2848_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 16:15:31 2007