! Started logfile: J2158-1501_S_2003_09_17_pus_uvs.log on Wed May 23 18:06:30 2007 obs J2158-1501_S_2003_09_17_pus_uva.fits ! Reading UV FITS file: J2158-1501_S_2003_09_17_pus_uva.fits ! AN table 1: 64 integrations on 120 of 120 possible baselines. ! AN table 2: 143 integrations on 120 of 120 possible baselines. ! AN table 3: 200 integrations on 120 of 120 possible baselines. ! AN table 4: 20 integrations on 120 of 120 possible baselines. ! AN table 5: 14 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.112245 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2158-1501 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1736 lines of history. ! ! Reading 23760 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 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 0.500x0.500 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 705 telescope corrections were flagged in sub-array 1. ! A total of 1548 telescope corrections were flagged in sub-array 2. ! A total of 2361 telescope corrections were flagged in sub-array 3. ! A total of 320 telescope corrections were flagged in sub-array 4. ! A total of 194 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 702 telescope corrections were flagged in sub-array 1. ! A total of 1543 telescope corrections were flagged in sub-array 2. ! A total of 2364 telescope corrections were flagged in sub-array 3. ! A total of 320 telescope corrections were flagged in sub-array 4. ! A total of 191 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 702 telescope corrections were flagged in sub-array 1. ! A total of 1544 telescope corrections were flagged in sub-array 2. ! A total of 2361 telescope corrections were flagged in sub-array 3. ! A total of 320 telescope corrections were flagged in sub-array 4. ! A total of 194 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 702 telescope corrections were flagged in sub-array 1. ! A total of 1574 telescope corrections were flagged in sub-array 2. ! A total of 2374 telescope corrections were flagged in sub-array 3. ! A total of 320 telescope corrections were flagged in sub-array 4. ! A total of 224 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=1.320906Jy sigma=0.008989 ! Fit after self-cal, rms=0.798459Jy sigma=0.005440 ! 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 ! Estimated beam: bmin=2.167 mas, bmaj=8.742 mas, bpa=-1.344 degrees ! Estimated noise=1280.41 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 = 1.08 Jy ! Component: 100 - total flux cleaned = 1.50217 Jy ! Total flux subtracted in 100 components = 1.50217 Jy ! Clean residual min=-0.047164 max=0.184363 Jy/beam ! Clean residual mean=0.000145 rms=0.016281 Jy/beam ! Combined flux in latest and established models = 1.50217 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.50217 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.441447Jy sigma=0.002885 ! Fit after self-cal, rms=0.440967Jy sigma=0.002883 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.193625 Jy ! Component: 100 - total flux cleaned = 0.292141 Jy ! Total flux subtracted in 100 components = 0.292141 Jy ! Clean residual min=-0.030829 max=0.050085 Jy/beam ! Clean residual mean=0.000005 rms=0.007324 Jy/beam ! Combined flux in latest and established models = 1.79432 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 29 components and 1.79432 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295499Jy sigma=0.001781 ! Fit after self-cal, rms=0.295445Jy sigma=0.001781 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0610762 Jy ! Component: 100 - total flux cleaned = 0.100951 Jy ! Total flux subtracted in 100 components = 0.100951 Jy ! Clean residual min=-0.023901 max=0.026844 Jy/beam ! Clean residual mean=-0.000048 rms=0.005533 Jy/beam ! Combined flux in latest and established models = 1.89527 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 54 components and 1.89527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267956Jy sigma=0.001555 ! Fit after self-cal, rms=0.267917Jy sigma=0.001555 ! Inverting map 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 ! Estimated beam: bmin=2.794 mas, bmaj=9.163 mas, bpa=-2.148 degrees ! Estimated noise=718.602 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 = 0.0634427 Jy ! Component: 100 - total flux cleaned = 0.0959832 Jy ! Component: 150 - total flux cleaned = 0.113591 Jy ! Component: 200 - total flux cleaned = 0.123431 Jy ! Total flux subtracted in 200 components = 0.123431 Jy ! Clean residual min=-0.015937 max=0.023599 Jy/beam ! Clean residual mean=-0.000253 rms=0.004759 Jy/beam ! Combined flux in latest and established models = 2.0187 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 86 components and 2.0187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254909Jy sigma=0.001436 ! Fit after self-cal, rms=0.254850Jy sigma=0.001435 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 GC 1.00* HN 1.00* KP 0.94 ! LA 1.02 MK 1.00 NL 1.01 NY 1.00* ! ON 1.00* OV 1.09 PT 1.02 SC 1.00* ! TS 1.08 KK 0.98 WZ 1.00* WF 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.04 GC 1.00* HN 0.95 KP 0.94 ! LA 1.01 MK 0.94 NL 1.03 NY 1.00* ! ON 1.00* OV 0.94 PT 0.96 SC 0.97 ! TS 1.00* KK 0.97 WZ 1.00* WF 1.04 ! ! A total of 192 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 GC 1.00* HN 0.97 KP 0.95 ! LA 0.99 MK 1.00* NL 1.01 NY 1.00* ! ON 1.00* OV 0.98 PT 0.99 SC 0.96 ! TS 1.00* KK 1.00* WZ 1.00* WF 0.97 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! A total of 30 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! ! Correcting IF 2. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 GC 1.00* HN 1.00* KP 0.98 ! LA 0.96 MK 1.06 NL 1.04 NY 1.00* ! ON 1.00* OV 0.99 PT 0.97 SC 1.00* ! TS 1.09 KK 0.98 WZ 1.00* WF 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.05 GC 1.00* HN 1.00 KP 1.02 ! LA 1.02 MK 1.04 NL 1.08 NY 1.00* ! ON 1.00* OV 0.93 PT 0.95 SC 1.04 ! TS 1.00* KK 0.97 WZ 1.00* WF 1.01 ! ! A total of 189 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.99 GC 1.00* HN 1.03 KP 1.05 ! LA 1.00 MK 1.00* NL 1.06 NY 1.00* ! ON 1.00* OV 0.98 PT 0.97 SC 1.02 ! TS 1.00* KK 1.00* WZ 1.00* WF 0.97 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! A total of 33 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 GC 1.00* HN 1.00* KP 1.01 ! LA 0.94 MK 1.03 NL 0.99 NY 1.00* ! ON 1.00* OV 1.06 PT 1.01 SC 1.00* ! TS 1.13 KK 0.96 WZ 1.00* WF 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.02 GC 1.00* HN 0.99 KP 1.02 ! LA 0.97 MK 1.03 NL 1.03 NY 1.00* ! ON 1.00* OV 0.95 PT 1.00 SC 1.04 ! TS 1.00* KK 0.98 WZ 1.00* WF 1.08 ! ! A total of 192 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.97 GC 1.00* HN 1.04 KP 1.04 ! LA 0.96 MK 1.00* NL 1.01 NY 1.00* ! ON 1.00* OV 1.02 PT 1.02 SC 1.03 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! A total of 30 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! ! Correcting IF 4. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 GC 1.00* HN 1.00* KP 1.00 ! LA 0.98 MK 0.97 NL 1.03 NY 1.00* ! ON 1.00* OV 1.09 PT 0.96 SC 1.00* ! TS 1.14 KK 1.02 WZ 1.00* WF 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.00 GC 1.00* HN 1.00 KP 1.03 ! LA 1.01 MK 0.97 NL 1.06 NY 1.00* ! ON 1.00* OV 0.95 PT 0.95 SC 0.98 ! TS 1.00* KK 1.05 WZ 1.00* WF 1.05 ! ! A total of 183 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.96 GC 1.00* HN 1.06 KP 1.04 ! LA 1.01 MK 1.00* NL 1.03 NY 1.00* ! ON 1.00* OV 0.97 PT 0.97 SC 1.00 ! TS 1.00* KK 1.00* WZ 1.00* WF 0.98 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! ! Fit before self-cal, rms=0.254850Jy sigma=0.001435 ! Fit after self-cal, rms=0.240911Jy sigma=0.001310 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.775 mas, bmaj=9.136 mas, bpa=-2.061 degrees ! Estimated noise=731.301 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 = -0.00361509 Jy ! Component: 100 - total flux cleaned = -0.00392156 Jy ! Component: 150 - total flux cleaned = -0.0040059 Jy ! Component: 200 - total flux cleaned = -0.00400437 Jy ! Total flux subtracted in 200 components = -0.00400437 Jy ! Clean residual min=-0.007017 max=0.011022 Jy/beam ! Clean residual mean=0.000074 rms=0.002113 Jy/beam ! Combined flux in latest and established models = 2.01469 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 88 components and 2.01469 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.240781Jy sigma=0.001309 ! Fit after self-cal, rms=0.240849Jy sigma=0.001309 ! Inverting map ! Added new window around map position (-5.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00872092 Jy ! Component: 100 - total flux cleaned = 0.00849852 Jy ! Component: 150 - total flux cleaned = 0.00813407 Jy ! Component: 200 - total flux cleaned = 0.00797462 Jy ! Total flux subtracted in 200 components = 0.00797462 Jy ! Clean residual min=-0.006261 max=0.007376 Jy/beam ! Clean residual mean=0.000020 rms=0.001895 Jy/beam ! Combined flux in latest and established models = 2.02267 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 108 components and 2.02267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.240377Jy sigma=0.001305 ! Fit after self-cal, rms=0.240330Jy sigma=0.001305 ! Inverting map 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=0.240330Jy sigma=0.001305 ! Fit after self-cal, rms=0.238486Jy sigma=0.001291 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.782 mas, bmaj=9.131 mas, bpa=-2.041 degrees ! Estimated noise=731.903 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000207566 Jy ! Component: 100 - total flux cleaned = 0.000210357 Jy ! Component: 150 - total flux cleaned = 8.08861e-05 Jy ! Component: 200 - total flux cleaned = -3.61259e-05 Jy ! Total flux subtracted in 200 components = -3.61259e-05 Jy ! Clean residual min=-0.005094 max=0.006430 Jy/beam ! Clean residual mean=0.000189 rms=0.001644 Jy/beam ! Combined flux in latest and established models = 2.02263 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 126 components and 2.02263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238336Jy sigma=0.001290 ! Fit after self-cal, rms=0.238331Jy sigma=0.001290 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000539084 Jy ! Component: 100 - total flux cleaned = 0.000438261 Jy ! Component: 150 - total flux cleaned = 0.000436886 Jy ! Component: 200 - total flux cleaned = 0.000435748 Jy ! Total flux subtracted in 200 components = 0.000435748 Jy ! Clean residual min=-0.004959 max=0.005976 Jy/beam ! Clean residual mean=0.000186 rms=0.001610 Jy/beam ! Combined flux in latest and established models = 2.02307 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 143 components and 2.02307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238258Jy sigma=0.001289 ! Fit after self-cal, rms=0.238253Jy sigma=0.001289 ! Inverting map 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=0.238253Jy sigma=0.001289 ! Fit after self-cal, rms=0.235538Jy sigma=0.001270 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.783 mas, bmaj=9.13 mas, bpa=-2.035 degrees ! Estimated noise=731.924 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000722994 Jy ! Component: 100 - total flux cleaned = 0.000905914 Jy ! Component: 150 - total flux cleaned = 0.00106592 Jy ! Component: 200 - total flux cleaned = 0.00121036 Jy ! Total flux subtracted in 200 components = 0.00121036 Jy ! Clean residual min=-0.003788 max=0.004448 Jy/beam ! Clean residual mean=0.000125 rms=0.001116 Jy/beam ! Combined flux in latest and established models = 2.02428 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 152 components and 2.02428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235481Jy sigma=0.001270 ! Fit after self-cal, rms=0.235481Jy sigma=0.001270 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000559121 Jy ! Component: 100 - total flux cleaned = 0.000687702 Jy ! Component: 150 - total flux cleaned = 0.000808159 Jy ! Component: 200 - total flux cleaned = 0.000919315 Jy ! Total flux subtracted in 200 components = 0.000919315 Jy ! Clean residual min=-0.003761 max=0.004210 Jy/beam ! Clean residual mean=0.000116 rms=0.001101 Jy/beam ! Combined flux in latest and established models = 2.0252 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 156 components and 2.0252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235450Jy sigma=0.001270 ! Fit after self-cal, rms=0.235448Jy sigma=0.001270 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.235448Jy sigma=0.001270 ! Fit after self-cal, rms=0.235407Jy sigma=0.001270 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.152 mas, bmaj=16.46 mas, bpa=-3.208 degrees ! Estimated noise=937.995 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000943547 Jy ! Component: 100 - total flux cleaned = 0.00126002 Jy ! Component: 150 - total flux cleaned = 0.00136825 Jy ! Component: 200 - total flux cleaned = 0.00146554 Jy ! Total flux subtracted in 200 components = 0.00146554 Jy ! Clean residual min=-0.004285 max=0.004998 Jy/beam ! Clean residual mean=0.000231 rms=0.001536 Jy/beam ! Combined flux in latest and established models = 2.02666 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 167 components and 2.02666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235394Jy sigma=0.001270 ! Fit after self-cal, rms=0.235389Jy sigma=0.001270 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000250648 Jy ! Component: 100 - total flux cleaned = 0.000410602 Jy ! Component: 150 - total flux cleaned = 0.000467818 Jy ! Component: 200 - total flux cleaned = 0.000521074 Jy ! Total flux subtracted in 200 components = 0.000521074 Jy ! Clean residual min=-0.004271 max=0.004999 Jy/beam ! Clean residual mean=0.000221 rms=0.001535 Jy/beam ! Combined flux in latest and established models = 2.02718 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 173 components and 2.02718 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235386Jy sigma=0.001270 ! Fit after self-cal, rms=0.235383Jy sigma=0.001270 ! Inverting map 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 ! Estimated beam: bmin=2.783 mas, bmaj=9.132 mas, bpa=-2.038 degrees ! Estimated noise=731.968 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.783 x 9.132 at -2.038 degrees (North through East) ! Clean map min=-0.0049897 max=1.4688 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=0.235383Jy sigma=0.001270 ! Fit after self-cal, rms=0.218957Jy sigma=0.001090 ! Inverting map and beam ! Estimated beam: bmin=2.775 mas, bmaj=9.128 mas, bpa=-2.116 degrees ! Estimated noise=731.145 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00197307 Jy ! Component: 100 - total flux cleaned = -0.00182399 Jy ! Component: 150 - total flux cleaned = -0.00156451 Jy ! Component: 200 - total flux cleaned = -0.00144817 Jy ! Total flux subtracted in 200 components = -0.00144817 Jy ! Clean residual min=-0.003916 max=0.003529 Jy/beam ! Clean residual mean=0.000066 rms=0.000989 Jy/beam ! Combined flux in latest and established models = 2.02574 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 185 components and 2.02574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218881Jy sigma=0.001090 ! Fit after self-cal, rms=0.218885Jy sigma=0.001090 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0002161 Jy ! Component: 100 - total flux cleaned = 0.000319168 Jy ! Component: 150 - total flux cleaned = 0.000367823 Jy ! Component: 200 - total flux cleaned = 0.00041244 Jy ! Total flux subtracted in 200 components = 0.00041244 Jy ! Clean residual min=-0.003826 max=0.003414 Jy/beam ! Clean residual mean=0.000061 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 2.02615 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 194 components and 2.02615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218860Jy sigma=0.001090 ! Fit after self-cal, rms=0.218860Jy sigma=0.001090 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218860Jy sigma=0.001090 ! Fit after self-cal, rms=0.219044Jy sigma=0.001089 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 ! Estimated beam: bmin=2.197 mas, bmaj=8.705 mas, bpa=-1.211 degrees ! Estimated noise=1337.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.09624 Jy ! Component: 100 - total flux cleaned = 1.51963 Jy ! Component: 150 - total flux cleaned = 1.71338 Jy ! Component: 200 - total flux cleaned = 1.81359 Jy ! Total flux subtracted in 200 components = 1.81359 Jy ! Clean residual min=-0.014974 max=0.051360 Jy/beam ! Clean residual mean=0.000076 rms=0.005722 Jy/beam ! Combined flux in latest and established models = 1.81359 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 28 model components to the UV plane model. ! The established model now contains 28 components and 1.81359 Jy ! Inverting map and beam ! Estimated beam: bmin=2.775 mas, bmaj=9.133 mas, bpa=-2.126 degrees ! Estimated noise=731.225 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 = 0.0964403 Jy ! Component: 100 - total flux cleaned = 0.144371 Jy ! Component: 150 - total flux cleaned = 0.170056 Jy ! Component: 200 - total flux cleaned = 0.185089 Jy ! Total flux subtracted in 200 components = 0.185089 Jy ! Clean residual min=-0.005423 max=0.008274 Jy/beam ! Clean residual mean=0.000272 rms=0.001784 Jy/beam ! Combined flux in latest and established models = 1.99867 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 82 components and 1.99867 Jy ! Inverting map ! Added new window around map position (4, -3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00937827 Jy ! Component: 100 - total flux cleaned = 0.0153576 Jy ! Component: 150 - total flux cleaned = 0.0193999 Jy ! Component: 200 - total flux cleaned = 0.0212225 Jy ! Total flux subtracted in 200 components = 0.0212225 Jy ! Clean residual min=-0.003868 max=0.004183 Jy/beam ! Clean residual mean=0.000123 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 2.0199 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 122 components and 2.0199 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.168 mas, bmaj=16.47 mas, bpa=-3.182 degrees ! Estimated noise=937.209 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0033276 Jy ! Component: 100 - total flux cleaned = 0.00438575 Jy ! Component: 150 - total flux cleaned = 0.00463275 Jy ! Component: 200 - total flux cleaned = 0.00480579 Jy ! Total flux subtracted in 200 components = 0.00480579 Jy ! Clean residual min=-0.003937 max=0.004255 Jy/beam ! Clean residual mean=0.000187 rms=0.001418 Jy/beam ! Combined flux in latest and established models = 2.0247 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 = 0.000158023 Jy ! Component: 100 - total flux cleaned = 0.000305302 Jy ! Component: 150 - total flux cleaned = 0.000443318 Jy ! Component: 200 - total flux cleaned = 0.000571654 Jy ! Total flux subtracted in 200 components = 0.000571654 Jy ! Clean residual min=-0.003830 max=0.004187 Jy/beam ! Clean residual mean=0.000176 rms=0.001407 Jy/beam ! Combined flux in latest and established models = 2.02527 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 149 components and 2.02527 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.775 mas, bmaj=9.133 mas, bpa=-2.126 degrees ! Estimated noise=731.225 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000294482 Jy ! Component: 100 - total flux cleaned = 9.51778e-06 Jy ! Component: 150 - total flux cleaned = 0.000115831 Jy ! Component: 200 - total flux cleaned = 0.000164936 Jy ! Total flux subtracted in 200 components = 0.000164936 Jy ! Clean residual min=-0.003564 max=0.003452 Jy/beam ! Clean residual mean=0.000079 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 2.02544 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 167 components and 2.02544 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218980Jy sigma=0.001089 ! Fit after self-cal, rms=0.218977Jy sigma=0.001089 wmodel J2158-1501_S_2003_09_17_pus_map.mod ! Writing 167 model components to file: J2158-1501_S_2003_09_17_pus_map.mod wobs J2158-1501_S_2003_09_17_pus_uvs.fits ! Writing UV FITS file: J2158-1501_S_2003_09_17_pus_uvs.fits wwins J2158-1501_S_2003_09_17_pus_map.win ! wwins: Wrote 3 windows to J2158-1501_S_2003_09_17_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -5.59586e-05 Jy ! Component: 100 - total flux cleaned = 0.000177887 Jy ! Component: 150 - total flux cleaned = 0.000393109 Jy ! Component: 200 - total flux cleaned = 0.000698297 Jy ! Component: 250 - total flux cleaned = 0.00103931 Jy ! Component: 300 - total flux cleaned = 0.00131985 Jy ! Component: 350 - total flux cleaned = 0.00150063 Jy ! Component: 400 - total flux cleaned = 0.00176353 Jy ! Component: 450 - total flux cleaned = 0.00189021 Jy ! Component: 500 - total flux cleaned = 0.00197159 Jy ! Component: 550 - total flux cleaned = 0.00205137 Jy ! Component: 600 - total flux cleaned = 0.00212952 Jy ! Component: 650 - total flux cleaned = 0.00232093 Jy ! Component: 700 - total flux cleaned = 0.00254598 Jy ! Component: 750 - total flux cleaned = 0.00280304 Jy ! Component: 800 - total flux cleaned = 0.00301893 Jy ! Component: 850 - total flux cleaned = 0.0030898 Jy ! Component: 900 - total flux cleaned = 0.00319403 Jy ! Component: 950 - total flux cleaned = 0.00333076 Jy ! Component: 1000 - total flux cleaned = 0.00339789 Jy ! Component: 1050 - total flux cleaned = 0.00352993 Jy ! Component: 1100 - total flux cleaned = 0.00359456 Jy ! Component: 1150 - total flux cleaned = 0.00362632 Jy ! Component: 1200 - total flux cleaned = 0.00362612 Jy ! Component: 1250 - total flux cleaned = 0.00362688 Jy ! Component: 1300 - total flux cleaned = 0.00365781 Jy ! Component: 1350 - total flux cleaned = 0.00368792 Jy ! Component: 1400 - total flux cleaned = 0.0036576 Jy ! Component: 1450 - total flux cleaned = 0.00362792 Jy ! Component: 1500 - total flux cleaned = 0.00359875 Jy ! Component: 1550 - total flux cleaned = 0.0035124 Jy ! Component: 1600 - total flux cleaned = 0.00348439 Jy ! Component: 1650 - total flux cleaned = 0.00342845 Jy ! Component: 1700 - total flux cleaned = 0.0034288 Jy ! Component: 1750 - total flux cleaned = 0.00342879 Jy ! Component: 1800 - total flux cleaned = 0.00342874 Jy ! Component: 1850 - total flux cleaned = 0.00337482 Jy ! Component: 1900 - total flux cleaned = 0.0034016 Jy ! Component: 1950 - total flux cleaned = 0.00337531 Jy ! Component: 2000 - total flux cleaned = 0.00337527 Jy ! Total flux subtracted in 2048 components = 0.00337534 Jy ! Clean residual min=-0.001598 max=0.001753 Jy/beam ! Clean residual mean=0.000032 rms=0.000541 Jy/beam ! Combined flux in latest and established models = 2.02881 Jy keep ! Adding 139 model components to the UV plane model. ! The established model now contains 306 components and 2.02882 Jy wmap "J2158-1501_S_2003_09_17_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.775 x 9.133 at -2.126 degrees (North through East) ! Clean map min=-0.0029685 max=1.4755 Jy/beam ! Writing clean map to FITS file: J2158-1501_S_2003_09_17_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.47554 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000540942 device "J2158-1501_S_2003_09_17_pus\_map.eps/VPS" ! Attempting to open device: 'J2158-1501_S_2003_09_17_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.109982 0.109982 0.219964 0.439928 0.879856 1.75971 3.51942 7.03885 14.0777 28.1554 56.3108 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.475 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.775 x 9.133 at -2.126 degrees (North through East) ! Clean map min=-0.0029685 max=1.4755 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2158-1501_S_2003_09_17_pus\_map.gif/vgif" ! Attempting to open device: 'J2158-1501_S_2003_09_17_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2158-1501_S_2003_09_17_pus_uvs.log closed on Wed May 23 18:08:30 2007