! Started logfile: J2331-1556_X_2001_07_05_pus_uvs.log on Wed Jul 4 22:08:18 2007 obs J2331-1556_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J2331-1556_X_2001_07_05_pus_uva.fits ! AN table 1: 33 integrations on 171 of 171 possible baselines. ! AN table 2: 11 integrations on 171 of 171 possible baselines. ! AN table 3: 219 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0824939 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2331-1556 ! 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 2370 lines of history. ! ! Reading 14840 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 = 256 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 = 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 452 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 3363 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 452 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 3363 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 452 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 3363 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 452 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 3363 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.791238Jy sigma=0.006827 ! Fit after self-cal, rms=0.361980Jy sigma=0.002997 ! 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 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.6275 mas, bmaj=1.517 mas, bpa=0.4919 degrees ! Estimated noise=1245.7 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 = 0.76725 Jy ! Component: 100 - total flux cleaned = 0.999619 Jy ! Total flux subtracted in 100 components = 0.999619 Jy ! Clean residual min=-0.046734 max=0.146786 Jy/beam ! Clean residual mean=0.000534 rms=0.015948 Jy/beam ! Combined flux in latest and established models = 0.999619 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.999619 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333706Jy sigma=0.002785 ! Fit after self-cal, rms=0.333889Jy sigma=0.002784 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Added new window around map position (2, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.14485 Jy ! Component: 100 - total flux cleaned = 0.230088 Jy ! Total flux subtracted in 100 components = 0.230088 Jy ! Clean residual min=-0.032891 max=0.043942 Jy/beam ! Clean residual mean=0.000238 rms=0.008885 Jy/beam ! Combined flux in latest and established models = 1.22971 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 1.22971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241096Jy sigma=0.001869 ! Fit after self-cal, rms=0.234783Jy sigma=0.001822 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0644225 Jy ! Component: 100 - total flux cleaned = 0.104178 Jy ! Total flux subtracted in 100 components = 0.104178 Jy ! Clean residual min=-0.023877 max=0.025671 Jy/beam ! Clean residual mean=0.000087 rms=0.005965 Jy/beam ! Combined flux in latest and established models = 1.33389 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 1.33389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208464Jy sigma=0.001534 ! Fit after self-cal, rms=0.206638Jy sigma=0.001520 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7908 mas, bmaj=2.067 mas, bpa=-2.196 degrees ! Estimated noise=731.051 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 = 0.0479237 Jy ! Component: 100 - total flux cleaned = 0.072375 Jy ! Component: 150 - total flux cleaned = 0.0861689 Jy ! Component: 200 - total flux cleaned = 0.0941704 Jy ! Total flux subtracted in 200 components = 0.0941704 Jy ! Clean residual min=-0.014211 max=0.013618 Jy/beam ! Clean residual mean=-0.000164 rms=0.004193 Jy/beam ! Combined flux in latest and established models = 1.42806 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 21 components and 1.42806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197083Jy sigma=0.001398 ! Fit after self-cal, rms=0.195840Jy sigma=0.001387 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.07 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.86 KP 1.12 ! LA 1.06 MC 1.00* MK 0.96 NL 1.00* ! NY 1.00* OV 0.97 PT 1.04 SC 1.00* ! TS 1.00 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 150 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.02 KK 0.93 KP 1.04 ! LA 0.97 MC 1.00* MK 0.98 NL 1.01 ! NY 1.00* OV 0.99 PT 0.99 SC 0.97 ! TS 1.00* WF 1.03 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.08 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.89 KP 1.13 ! LA 1.03 MC 1.00* MK 0.95 NL 1.00* ! NY 1.00* OV 0.99 PT 1.00 SC 1.00* ! TS 1.00 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 150 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.01 KK 0.93 KP 1.05 ! LA 0.97 MC 1.00* MK 0.99 NL 0.98 ! NY 1.00* OV 0.99 PT 0.96 SC 0.94 ! TS 1.00* WF 1.00 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.87 KP 1.20 ! LA 1.10 MC 1.00* MK 0.97 NL 1.00* ! NY 1.00* OV 1.02 PT 1.04 SC 1.00* ! TS 1.03 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 150 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.02 KK 0.93 KP 1.09 ! LA 0.99 MC 1.00* MK 1.01 NL 1.01 ! NY 1.00* OV 1.05 PT 0.99 SC 0.97 ! TS 1.00* WF 1.02 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.86 KP 1.15 ! LA 1.07 MC 1.00* MK 1.01 NL 1.00* ! NY 1.00* OV 1.01 PT 1.01 SC 1.00* ! TS 1.06 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 150 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.04 KK 0.95 KP 1.05 ! LA 0.96 MC 1.00* MK 1.04 NL 1.02 ! NY 1.00* OV 1.01 PT 1.00 SC 1.01 ! TS 1.00* WF 1.02 WZ 1.00* ! ! ! Fit before self-cal, rms=0.195840Jy sigma=0.001387 ! Fit after self-cal, rms=0.180621Jy sigma=0.001287 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7848 mas, bmaj=2.436 mas, bpa=-2.062 degrees ! Estimated noise=731.857 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 (1.4, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00821877 Jy ! Component: 100 - total flux cleaned = 0.00947738 Jy ! Component: 150 - total flux cleaned = 0.00998037 Jy ! Component: 200 - total flux cleaned = 0.010189 Jy ! Total flux subtracted in 200 components = 0.010189 Jy ! Clean residual min=-0.009365 max=0.008264 Jy/beam ! Clean residual mean=0.001052 rms=0.002397 Jy/beam ! Combined flux in latest and established models = 1.43825 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 1.43825 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179094Jy sigma=0.001275 ! Fit after self-cal, rms=0.179055Jy sigma=0.001274 ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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=0.179055Jy sigma=0.001274 ! Fit after self-cal, rms=0.176834Jy sigma=0.001239 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7866 mas, bmaj=2.438 mas, bpa=-2.11 degrees ! Estimated noise=732.867 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00729172 Jy ! Component: 100 - total flux cleaned = 0.0086449 Jy ! Component: 150 - total flux cleaned = 0.00944626 Jy ! Component: 200 - total flux cleaned = 0.0101093 Jy ! Total flux subtracted in 200 components = 0.0101093 Jy ! Clean residual min=-0.002961 max=0.005847 Jy/beam ! Clean residual mean=0.000612 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 1.44835 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 55 components and 1.44835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176387Jy sigma=0.001235 ! Fit after self-cal, rms=0.176396Jy sigma=0.001235 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 (5.6, 10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00491705 Jy ! Component: 100 - total flux cleaned = 0.00645383 Jy ! Component: 150 - total flux cleaned = 0.00723219 Jy ! Component: 200 - total flux cleaned = 0.00782735 Jy ! Total flux subtracted in 200 components = 0.00782735 Jy ! Clean residual min=-0.002991 max=0.004136 Jy/beam ! Clean residual mean=0.000492 rms=0.001111 Jy/beam ! Combined flux in latest and established models = 1.45618 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 78 components and 1.45618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176157Jy sigma=0.001233 ! Fit after self-cal, rms=0.176151Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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=0.176151Jy sigma=0.001233 ! Fit after self-cal, rms=0.175762Jy sigma=0.001232 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7853 mas, bmaj=2.437 mas, bpa=-2.132 degrees ! Estimated noise=732.457 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00273872 Jy ! Component: 100 - total flux cleaned = 0.0032235 Jy ! Component: 150 - total flux cleaned = 0.00354287 Jy ! Component: 200 - total flux cleaned = 0.0038912 Jy ! Total flux subtracted in 200 components = 0.0038912 Jy ! Clean residual min=-0.003150 max=0.004056 Jy/beam ! Clean residual mean=0.000400 rms=0.001042 Jy/beam ! Combined flux in latest and established models = 1.46007 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 86 components and 1.46007 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175627Jy sigma=0.001231 ! Fit after self-cal, rms=0.175622Jy sigma=0.001231 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 = 0.00023704 Jy ! Component: 100 - total flux cleaned = 0.000546055 Jy ! Component: 150 - total flux cleaned = 0.000774016 Jy ! Component: 200 - total flux cleaned = 0.000986612 Jy ! Total flux subtracted in 200 components = 0.000986612 Jy ! Clean residual min=-0.003160 max=0.003896 Jy/beam ! Clean residual mean=0.000381 rms=0.001030 Jy/beam ! Combined flux in latest and established models = 1.46106 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 91 components and 1.46106 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175563Jy sigma=0.001231 ! Fit after self-cal, rms=0.175562Jy sigma=0.001231 ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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=0.175562Jy sigma=0.001231 ! Fit after self-cal, rms=0.175369Jy sigma=0.001231 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=2.169 mas, bmaj=4.139 mas, bpa=1.268 degrees ! Estimated noise=930.405 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254226 Jy ! Component: 100 - total flux cleaned = 0.00387948 Jy ! Component: 150 - total flux cleaned = 0.00453085 Jy ! Component: 200 - total flux cleaned = 0.00474664 Jy ! Total flux subtracted in 200 components = 0.00474664 Jy ! Clean residual min=-0.003307 max=0.005949 Jy/beam ! Clean residual mean=0.000657 rms=0.001527 Jy/beam ! Combined flux in latest and established models = 1.46581 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 107 components and 1.46581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175362Jy sigma=0.001231 ! Fit after self-cal, rms=0.175359Jy sigma=0.001231 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 = 0.000631679 Jy ! Component: 100 - total flux cleaned = 0.000732701 Jy ! Component: 150 - total flux cleaned = 0.000802269 Jy ! Component: 200 - total flux cleaned = 0.000865563 Jy ! Total flux subtracted in 200 components = 0.000865563 Jy ! Clean residual min=-0.003262 max=0.005863 Jy/beam ! Clean residual mean=0.000621 rms=0.001523 Jy/beam ! Combined flux in latest and established models = 1.46667 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 113 components and 1.46667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175359Jy sigma=0.001231 ! Fit after self-cal, rms=0.175359Jy sigma=0.001231 ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7842 mas, bmaj=2.436 mas, bpa=-2.138 degrees ! Estimated noise=732.169 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7842 x 2.436 at -2.138 degrees (North through East) ! Clean map min=-0.0029136 max=1.0072 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=0.175359Jy sigma=0.001231 ! Fit after self-cal, rms=0.166336Jy sigma=0.001143 ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7841 mas, bmaj=2.436 mas, bpa=-2.143 degrees ! Estimated noise=732.517 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000516958 Jy ! Component: 100 - total flux cleaned = 0.000455879 Jy ! Component: 150 - total flux cleaned = 0.000345657 Jy ! Component: 200 - total flux cleaned = 0.000294576 Jy ! Total flux subtracted in 200 components = 0.000294576 Jy ! Clean residual min=-0.002828 max=0.003830 Jy/beam ! Clean residual mean=0.000267 rms=0.000984 Jy/beam ! Combined flux in latest and established models = 1.46697 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 120 components and 1.46697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166271Jy sigma=0.001142 ! Fit after self-cal, rms=0.166268Jy sigma=0.001142 ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.20122e-05 Jy ! Component: 100 - total flux cleaned = -5.09083e-05 Jy ! Component: 150 - total flux cleaned = -8.88964e-06 Jy ! Component: 200 - total flux cleaned = -1.01958e-05 Jy ! Total flux subtracted in 200 components = -1.01958e-05 Jy ! Clean residual min=-0.002814 max=0.003809 Jy/beam ! Clean residual mean=0.000266 rms=0.000979 Jy/beam ! Combined flux in latest and established models = 1.46696 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 128 components and 1.46696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166232Jy sigma=0.001142 ! Fit after self-cal, rms=0.166230Jy sigma=0.001142 ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166230Jy sigma=0.001142 ! Fit after self-cal, rms=0.166133Jy sigma=0.001142 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 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.6175 mas, bmaj=2.047 mas, bpa=0.1197 degrees ! Estimated noise=1124.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.747236 Jy ! Component: 100 - total flux cleaned = 0.996439 Jy ! Component: 150 - total flux cleaned = 1.15003 Jy ! Component: 200 - total flux cleaned = 1.24747 Jy ! Total flux subtracted in 200 components = 1.24747 Jy ! Clean residual min=-0.017124 max=0.051546 Jy/beam ! Clean residual mean=0.000359 rms=0.007082 Jy/beam ! Combined flux in latest and established models = 1.24747 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 1.24747 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7833 mas, bmaj=2.436 mas, bpa=-2.144 degrees ! Estimated noise=732.378 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 = 0.0922021 Jy ! Component: 100 - total flux cleaned = 0.142441 Jy ! Component: 150 - total flux cleaned = 0.170774 Jy ! Component: 200 - total flux cleaned = 0.187412 Jy ! Total flux subtracted in 200 components = 0.187412 Jy ! Clean residual min=-0.003149 max=0.008546 Jy/beam ! Clean residual mean=0.000959 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 1.43488 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 33 components and 1.43488 Jy ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102297 Jy ! Component: 100 - total flux cleaned = 0.017079 Jy ! Component: 150 - total flux cleaned = 0.0218943 Jy ! Component: 200 - total flux cleaned = 0.0253341 Jy ! Total flux subtracted in 200 components = 0.0253341 Jy ! Clean residual min=-0.002624 max=0.003990 Jy/beam ! Clean residual mean=0.000398 rms=0.001032 Jy/beam ! Combined flux in latest and established models = 1.46022 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 51 components and 1.46022 Jy ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=2.168 mas, bmaj=4.138 mas, bpa=1.271 degrees ! Estimated noise=931.663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00383804 Jy ! Component: 100 - total flux cleaned = 0.00604551 Jy ! Component: 150 - total flux cleaned = 0.00672915 Jy ! Component: 200 - total flux cleaned = 0.00734405 Jy ! Total flux subtracted in 200 components = 0.00734405 Jy ! Clean residual min=-0.003538 max=0.006003 Jy/beam ! Clean residual mean=0.000587 rms=0.001518 Jy/beam ! Combined flux in latest and established models = 1.46756 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 = 0.000500494 Jy ! Component: 100 - total flux cleaned = 0.00091717 Jy ! Component: 150 - total flux cleaned = 0.00126648 Jy ! Component: 200 - total flux cleaned = 0.00153636 Jy ! Total flux subtracted in 200 components = 0.00153636 Jy ! Clean residual min=-0.003482 max=0.005931 Jy/beam ! Clean residual mean=0.000527 rms=0.001507 Jy/beam ! Combined flux in latest and established models = 1.4691 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 1.4691 Jy ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7833 mas, bmaj=2.436 mas, bpa=-2.144 degrees ! Estimated noise=732.378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000239124 Jy ! Component: 100 - total flux cleaned = -0.000506641 Jy ! Component: 150 - total flux cleaned = -0.000568142 Jy ! Component: 200 - total flux cleaned = -0.000511942 Jy ! Total flux subtracted in 200 components = -0.000511942 Jy ! Clean residual min=-0.002714 max=0.003902 Jy/beam ! Clean residual mean=0.000252 rms=0.000979 Jy/beam ! Combined flux in latest and established models = 1.46858 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 90 components and 1.46858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166075Jy sigma=0.001142 ! Fit after self-cal, rms=0.166057Jy sigma=0.001141 wmodel J2331-1556_X_2001_07_05_pus_map.mod ! Writing 90 model components to file: J2331-1556_X_2001_07_05_pus_map.mod wobs J2331-1556_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J2331-1556_X_2001_07_05_pus_uvs.fits wwins J2331-1556_X_2001_07_05_pus_map.win ! wwins: Wrote 4 windows to J2331-1556_X_2001_07_05_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 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162591 Jy ! Component: 100 - total flux cleaned = 0.00283012 Jy ! Component: 150 - total flux cleaned = 0.00370592 Jy ! Component: 200 - total flux cleaned = 0.00457274 Jy ! Component: 250 - total flux cleaned = 0.00527185 Jy ! Component: 300 - total flux cleaned = 0.00561072 Jy ! Component: 350 - total flux cleaned = 0.00598136 Jy ! Component: 400 - total flux cleaned = 0.00622293 Jy ! Component: 450 - total flux cleaned = 0.00649804 Jy ! Component: 500 - total flux cleaned = 0.00665124 Jy ! Component: 550 - total flux cleaned = 0.00687733 Jy ! Component: 600 - total flux cleaned = 0.00709898 Jy ! Component: 650 - total flux cleaned = 0.00728077 Jy ! Component: 700 - total flux cleaned = 0.00745961 Jy ! Component: 750 - total flux cleaned = 0.00773958 Jy ! Component: 800 - total flux cleaned = 0.00787679 Jy ! Component: 850 - total flux cleaned = 0.00801233 Jy ! Component: 900 - total flux cleaned = 0.00817882 Jy ! Component: 950 - total flux cleaned = 0.00824452 Jy ! Component: 1000 - total flux cleaned = 0.0083745 Jy ! Total flux subtracted in 1024 components = 0.00840667 Jy ! Clean residual min=-0.001673 max=0.001819 Jy/beam ! Clean residual mean=0.000111 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 1.47699 Jy keep ! Adding 86 model components to the UV plane model. ! The established model now contains 176 components and 1.47699 Jy wmap "J2331-1556_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7833 x 2.436 at -2.144 degrees (North through East) ! Clean map min=-0.0023123 max=1.0041 Jy/beam ! Writing clean map to FITS file: J2331-1556_X_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.00414 invert ! Inverting map ! Your choice of large map pixels excluded 0.94% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000701556 device "J2331-1556_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2331-1556_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.209599 0.209599 0.419198 0.838396 1.67679 3.35358 6.70717 13.4143 26.8287 53.6573 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.004 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7833 x 2.436 at -2.144 degrees (North through East) ! Clean map min=-0.0023123 max=1.0041 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2331-1556_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2331-1556_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2331-1556_X_2001_07_05_pus_uvs.log closed on Wed Jul 4 22:09:26 2007