! Started logfile: J0921-2618_S_2003_09_17_pus_uvs.log on Tue May 22 23:53:54 2007 obs J0921-2618_S_2003_09_17_pus_uva.fits ! Reading UV FITS file: J0921-2618_S_2003_09_17_pus_uva.fits ! AN table 1: 13 integrations on 120 of 120 possible baselines. ! AN table 2: 77 integrations on 120 of 120 possible baselines. ! AN table 3: 311 integrations on 120 of 120 possible baselines. ! AN table 4: 18 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.127247 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! 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 25592 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 172 telescope corrections were flagged in sub-array 1. ! A total of 1175 telescope corrections were flagged in sub-array 2. ! A total of 3340 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 172 telescope corrections were flagged in sub-array 1. ! A total of 1175 telescope corrections were flagged in sub-array 2. ! A total of 3291 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 172 telescope corrections were flagged in sub-array 1. ! A total of 1175 telescope corrections were flagged in sub-array 2. ! A total of 3291 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 172 telescope corrections were flagged in sub-array 1. ! A total of 1178 telescope corrections were flagged in sub-array 2. ! A total of 3298 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.175901Jy sigma=0.007124 ! Fit after self-cal, rms=0.525733Jy sigma=0.003120 ! 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=2.299 mas, bmaj=6.854 mas, bpa=-5.02 degrees ! Estimated noise=1685.77 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 = 0.618482 Jy ! Component: 100 - total flux cleaned = 0.891727 Jy ! Total flux subtracted in 100 components = 0.891727 Jy ! Clean residual min=-0.040912 max=0.138666 Jy/beam ! Clean residual mean=0.000368 rms=0.017010 Jy/beam ! Combined flux in latest and established models = 0.891727 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.891727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.520154Jy sigma=0.003135 ! Fit after self-cal, rms=0.519903Jy sigma=0.003134 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.164615 Jy ! Component: 100 - total flux cleaned = 0.268032 Jy ! Total flux subtracted in 100 components = 0.268032 Jy ! Clean residual min=-0.022616 max=0.061967 Jy/beam ! Clean residual mean=0.000116 rms=0.010021 Jy/beam ! Combined flux in latest and established models = 1.15976 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 28 components and 1.15976 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380263Jy sigma=0.002194 ! Fit after self-cal, rms=0.380159Jy sigma=0.002194 ! Inverting map ! Added new window around map position (-3.5, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0758813 Jy ! Component: 100 - total flux cleaned = 0.133275 Jy ! Total flux subtracted in 100 components = 0.133275 Jy ! Clean residual min=-0.019460 max=0.036900 Jy/beam ! Clean residual mean=-0.000014 rms=0.007391 Jy/beam ! Combined flux in latest and established models = 1.29303 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 56 components and 1.29303 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331339Jy sigma=0.001841 ! Fit after self-cal, rms=0.331037Jy sigma=0.001840 ! 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=3.201 mas, bmaj=9.863 mas, bpa=-8.298 degrees ! Estimated noise=776.443 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 = 0.129195 Jy ! Component: 100 - total flux cleaned = 0.200746 Jy ! Component: 150 - total flux cleaned = 0.242237 Jy ! Component: 200 - total flux cleaned = 0.266629 Jy ! Total flux subtracted in 200 components = 0.266629 Jy ! Clean residual min=-0.019145 max=0.028271 Jy/beam ! Clean residual mean=-0.001678 rms=0.006723 Jy/beam ! Combined flux in latest and established models = 1.55966 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 119 components and 1.55966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282818Jy sigma=0.001460 ! Fit after self-cal, rms=0.281784Jy sigma=0.001452 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 105 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.99 GC 1.00* HN 1.10 KP 0.92 ! LA 0.97 MK 1.09 NL 1.02 NY 1.00* ! ON 1.00* OV 1.07 PT 0.99 SC 1.02 ! TS 1.00* KK 0.98 WZ 1.00* WF 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! FD 1.00 GC 1.00* HN 1.00* KP 0.93 ! LA 0.98 MK 1.03 NL 1.00* NY 1.00* ! ON 1.00* OV 1.07 PT 1.03 SC 1.00* ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 105 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 1.00 GC 1.00* HN 1.13 KP 1.02 ! LA 0.97 MK 1.07 NL 1.05 NY 1.00* ! ON 1.00* OV 0.96 PT 0.98 SC 1.06 ! TS 1.00* KK 0.97 WZ 1.00* WF 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! FD 1.02 GC 1.00* HN 1.00* KP 1.07 ! LA 0.99 MK 1.04 NL 1.00* NY 1.00* ! ON 1.00* OV 1.03 PT 0.97 SC 1.00* ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 105 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.96 GC 1.00* HN 1.09 KP 1.01 ! LA 0.94 MK 0.97 NL 0.98 NY 1.00* ! ON 1.00* OV 1.03 PT 1.01 SC 1.00 ! TS 1.00* KK 0.96 WZ 1.00* WF 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! FD 0.97 GC 1.00* HN 1.00* KP 1.01 ! LA 0.94 MK 0.95 NL 1.00* NY 1.00* ! ON 1.00* OV 1.05 PT 1.00 SC 1.00* ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 105 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.96 GC 1.00* HN 1.08 KP 1.00 ! LA 0.97 MK 0.91 NL 0.99 NY 1.00* ! ON 1.00* OV 1.04 PT 0.96 SC 0.93 ! TS 1.00* KK 1.00 WZ 1.00* WF 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! FD 0.97 GC 1.00* HN 1.00* KP 1.02 ! LA 0.99 MK 0.86 NL 1.00* NY 1.00* ! ON 1.00* OV 1.01 PT 0.95 SC 1.00* ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! ! Fit before self-cal, rms=0.281784Jy sigma=0.001452 ! Fit after self-cal, rms=0.280279Jy sigma=0.001396 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.291 mas, bmaj=10.31 mas, bpa=-9.245 degrees ! Estimated noise=790.573 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 = 0.00162021 Jy ! Component: 100 - total flux cleaned = 0.00234868 Jy ! Component: 150 - total flux cleaned = 0.0027156 Jy ! Component: 200 - total flux cleaned = 0.00287198 Jy ! Total flux subtracted in 200 components = 0.00287198 Jy ! Clean residual min=-0.012238 max=0.012644 Jy/beam ! Clean residual mean=-0.000585 rms=0.003703 Jy/beam ! Combined flux in latest and established models = 1.56254 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 127 components and 1.56254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279900Jy sigma=0.001394 ! Fit after self-cal, rms=0.280070Jy sigma=0.001393 ! 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=0.280070Jy sigma=0.001393 ! Fit after self-cal, rms=0.276317Jy sigma=0.001360 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.3 mas, bmaj=10.34 mas, bpa=-9.34 degrees ! Estimated noise=792.312 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00102915 Jy ! Component: 100 - total flux cleaned = -0.00117558 Jy ! Component: 150 - total flux cleaned = -0.00131065 Jy ! Component: 200 - total flux cleaned = -0.00143776 Jy ! Total flux subtracted in 200 components = -0.00143776 Jy ! Clean residual min=-0.009596 max=0.008877 Jy/beam ! Clean residual mean=-0.000275 rms=0.002994 Jy/beam ! Combined flux in latest and established models = 1.5611 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 137 components and 1.5611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276191Jy sigma=0.001359 ! Fit after self-cal, rms=0.276206Jy sigma=0.001359 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 = -0.000246207 Jy ! Component: 100 - total flux cleaned = -0.000349743 Jy ! Component: 150 - total flux cleaned = -0.000349256 Jy ! Component: 200 - total flux cleaned = -0.000442651 Jy ! Total flux subtracted in 200 components = -0.000442651 Jy ! Clean residual min=-0.009574 max=0.008705 Jy/beam ! Clean residual mean=-0.000272 rms=0.002976 Jy/beam ! Combined flux in latest and established models = 1.56066 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 141 components and 1.56066 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276141Jy sigma=0.001359 ! Fit after self-cal, rms=0.276136Jy sigma=0.001359 ! 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=0.276136Jy sigma=0.001359 ! Fit after self-cal, rms=0.267383Jy sigma=0.001298 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.298 mas, bmaj=10.32 mas, bpa=-9.514 degrees ! Estimated noise=791.138 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000165354 Jy ! Component: 100 - total flux cleaned = 0.00016634 Jy ! Component: 150 - total flux cleaned = 0.000265325 Jy ! Component: 200 - total flux cleaned = 0.000264182 Jy ! Total flux subtracted in 200 components = 0.000264182 Jy ! Clean residual min=-0.005763 max=0.008762 Jy/beam ! Clean residual mean=0.000081 rms=0.001836 Jy/beam ! Combined flux in latest and established models = 1.56092 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 148 components and 1.56092 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267303Jy sigma=0.001297 ! Fit after self-cal, rms=0.267303Jy sigma=0.001297 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) ! Added new window around map position (-10.5, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00810499 Jy ! Component: 100 - total flux cleaned = 0.00982313 Jy ! Component: 150 - total flux cleaned = 0.00996922 Jy ! Component: 200 - total flux cleaned = 0.010095 Jy ! Total flux subtracted in 200 components = 0.010095 Jy ! Clean residual min=-0.005157 max=0.005613 Jy/beam ! Clean residual mean=-0.000072 rms=0.001527 Jy/beam ! Combined flux in latest and established models = 1.57101 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 185 components and 1.57101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266981Jy sigma=0.001295 ! Fit after self-cal, rms=0.266926Jy sigma=0.001295 ! 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=0.266926Jy sigma=0.001295 ! Fit after self-cal, rms=0.267092Jy sigma=0.001294 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.556 mas, bmaj=22.47 mas, bpa=-7.281 degrees ! Estimated noise=950.041 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00548235 Jy ! Component: 100 - total flux cleaned = 0.00502394 Jy ! Component: 150 - total flux cleaned = 0.00476355 Jy ! Component: 200 - total flux cleaned = 0.004692 Jy ! Total flux subtracted in 200 components = 0.004692 Jy ! Clean residual min=-0.004279 max=0.004317 Jy/beam ! Clean residual mean=-0.000042 rms=0.001546 Jy/beam ! Combined flux in latest and established models = 1.57571 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 198 components and 1.57571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266973Jy sigma=0.001294 ! Fit after self-cal, rms=0.266942Jy sigma=0.001294 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 = 0.00170449 Jy ! Component: 100 - total flux cleaned = 0.00150516 Jy ! Component: 150 - total flux cleaned = 0.00134633 Jy ! Component: 200 - total flux cleaned = 0.00120583 Jy ! Total flux subtracted in 200 components = 0.00120583 Jy ! Clean residual min=-0.004166 max=0.004090 Jy/beam ! Clean residual mean=-0.000075 rms=0.001499 Jy/beam ! Combined flux in latest and established models = 1.57691 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 208 components and 1.57691 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266920Jy sigma=0.001293 ! Fit after self-cal, rms=0.266911Jy sigma=0.001293 ! 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=3.298 mas, bmaj=10.31 mas, bpa=-9.486 degrees ! Estimated noise=791.491 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.298 x 10.31 at -9.486 degrees (North through East) ! Clean map min=-0.0054803 max=1.0165 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=0.266911Jy sigma=0.001293 ! Fit after self-cal, rms=0.246214Jy sigma=0.001137 ! Inverting map and beam ! Estimated beam: bmin=3.292 mas, bmaj=10.3 mas, bpa=-9.551 degrees ! Estimated noise=790.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00295973 Jy ! Component: 100 - total flux cleaned = 0.00295367 Jy ! Component: 150 - total flux cleaned = 0.00276875 Jy ! Component: 200 - total flux cleaned = 0.00268645 Jy ! Total flux subtracted in 200 components = 0.00268645 Jy ! Clean residual min=-0.004242 max=0.003926 Jy/beam ! Clean residual mean=-0.000002 rms=0.001191 Jy/beam ! Combined flux in latest and established models = 1.5796 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 220 components and 1.5796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246130Jy sigma=0.001136 ! Fit after self-cal, rms=0.246117Jy sigma=0.001136 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000886708 Jy ! Component: 100 - total flux cleaned = 0.000658294 Jy ! Component: 150 - total flux cleaned = 0.000592034 Jy ! Component: 200 - total flux cleaned = 0.000526656 Jy ! Total flux subtracted in 200 components = 0.000526656 Jy ! Clean residual min=-0.004260 max=0.003792 Jy/beam ! Clean residual mean=-0.000011 rms=0.001166 Jy/beam ! Combined flux in latest and established models = 1.58013 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 224 components and 1.58013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246075Jy sigma=0.001136 ! Fit after self-cal, rms=0.246070Jy sigma=0.001136 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246070Jy sigma=0.001136 ! Fit after self-cal, rms=0.245951Jy sigma=0.001136 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=2.452 mas, bmaj=7.545 mas, bpa=-10.28 degrees ! Estimated noise=1577.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.670397 Jy ! Component: 100 - total flux cleaned = 0.945273 Jy ! Component: 150 - total flux cleaned = 1.10827 Jy ! Component: 200 - total flux cleaned = 1.21341 Jy ! Total flux subtracted in 200 components = 1.21341 Jy ! Clean residual min=-0.024394 max=0.057912 Jy/beam ! Clean residual mean=0.000343 rms=0.009219 Jy/beam ! Combined flux in latest and established models = 1.21341 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 36 model components to the UV plane model. ! The established model now contains 36 components and 1.21341 Jy ! Inverting map and beam ! Estimated beam: bmin=3.293 mas, bmaj=10.3 mas, bpa=-9.53 degrees ! Estimated noise=790.299 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 = 0.158171 Jy ! Component: 100 - total flux cleaned = 0.240582 Jy ! Component: 150 - total flux cleaned = 0.286673 Jy ! Component: 200 - total flux cleaned = 0.313793 Jy ! Total flux subtracted in 200 components = 0.313793 Jy ! Clean residual min=-0.007085 max=0.016291 Jy/beam ! Clean residual mean=0.000662 rms=0.003477 Jy/beam ! Combined flux in latest and established models = 1.52721 Jy ! Adding 85 model components to the UV plane model. ! The established model now contains 112 components and 1.52721 Jy ! Inverting map ! Added new window around map position (3.5, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178591 Jy ! Component: 100 - total flux cleaned = 0.0293239 Jy ! Component: 150 - total flux cleaned = 0.0371502 Jy ! Component: 200 - total flux cleaned = 0.042847 Jy ! Total flux subtracted in 200 components = 0.042847 Jy ! Clean residual min=-0.004291 max=0.005311 Jy/beam ! Clean residual mean=0.000144 rms=0.001322 Jy/beam ! Combined flux in latest and established models = 1.57005 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 169 components and 1.57006 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=7.553 mas, bmaj=22.45 mas, bpa=-7.264 degrees ! Estimated noise=949.378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00574377 Jy ! Component: 100 - total flux cleaned = 0.00847089 Jy ! Component: 150 - total flux cleaned = 0.00901598 Jy ! Component: 200 - total flux cleaned = 0.00945961 Jy ! Total flux subtracted in 200 components = 0.00945961 Jy ! Clean residual min=-0.003655 max=0.003122 Jy/beam ! Clean residual mean=0.000065 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 1.57951 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 = 6.06543e-05 Jy ! Component: 100 - total flux cleaned = 0.00012035 Jy ! Component: 150 - total flux cleaned = 0.000225613 Jy ! Component: 200 - total flux cleaned = 0.000272288 Jy ! Total flux subtracted in 200 components = 0.000272288 Jy ! Clean residual min=-0.003380 max=0.003219 Jy/beam ! Clean residual mean=0.000065 rms=0.001180 Jy/beam ! Combined flux in latest and established models = 1.57979 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 221 components and 1.57979 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.293 mas, bmaj=10.3 mas, bpa=-9.53 degrees ! Estimated noise=790.299 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000222103 Jy ! Component: 100 - total flux cleaned = -0.000377218 Jy ! Component: 150 - total flux cleaned = -0.000446793 Jy ! Component: 200 - total flux cleaned = -0.000446554 Jy ! Total flux subtracted in 200 components = -0.000446554 Jy ! Clean residual min=-0.004137 max=0.003360 Jy/beam ! Clean residual mean=0.000034 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 1.57934 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 238 components and 1.57934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245867Jy sigma=0.001135 ! Fit after self-cal, rms=0.245828Jy sigma=0.001135 wmodel J0921-2618_S_2003_09_17_pus_map.mod ! Writing 238 model components to file: J0921-2618_S_2003_09_17_pus_map.mod wobs J0921-2618_S_2003_09_17_pus_uvs.fits ! Writing UV FITS file: J0921-2618_S_2003_09_17_pus_uvs.fits wwins J0921-2618_S_2003_09_17_pus_map.win ! wwins: Wrote 4 windows to J0921-2618_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 = -0.00154649 Jy ! Component: 100 - total flux cleaned = -0.0024614 Jy ! Component: 150 - total flux cleaned = -0.00258439 Jy ! Component: 200 - total flux cleaned = -0.00228881 Jy ! Component: 250 - total flux cleaned = -0.00200262 Jy ! Component: 300 - total flux cleaned = -0.00167213 Jy ! Component: 350 - total flux cleaned = -0.00151203 Jy ! Component: 400 - total flux cleaned = -0.00125199 Jy ! Component: 450 - total flux cleaned = -0.0010502 Jy ! Component: 500 - total flux cleaned = -0.00100038 Jy ! Component: 550 - total flux cleaned = -0.000902815 Jy ! Component: 600 - total flux cleaned = -0.000855109 Jy ! Component: 650 - total flux cleaned = -0.000762538 Jy ! Component: 700 - total flux cleaned = -0.000809198 Jy ! Component: 750 - total flux cleaned = -0.000809142 Jy ! Component: 800 - total flux cleaned = -0.000853792 Jy ! Component: 850 - total flux cleaned = -0.000853072 Jy ! Component: 900 - total flux cleaned = -0.000766419 Jy ! Component: 950 - total flux cleaned = -0.000766936 Jy ! Component: 1000 - total flux cleaned = -0.00076694 Jy ! Component: 1050 - total flux cleaned = -0.000808322 Jy ! Component: 1100 - total flux cleaned = -0.000725878 Jy ! Component: 1150 - total flux cleaned = -0.000684953 Jy ! Component: 1200 - total flux cleaned = -0.000644749 Jy ! Component: 1250 - total flux cleaned = -0.000565668 Jy ! Component: 1300 - total flux cleaned = -0.000488174 Jy ! Component: 1350 - total flux cleaned = -0.000449877 Jy ! Component: 1400 - total flux cleaned = -0.000297847 Jy ! Component: 1450 - total flux cleaned = -0.000298189 Jy ! Component: 1500 - total flux cleaned = -0.000223775 Jy ! Component: 1550 - total flux cleaned = -0.000113764 Jy ! Component: 1600 - total flux cleaned = -4.14963e-05 Jy ! Component: 1650 - total flux cleaned = -4.18117e-05 Jy ! Component: 1700 - total flux cleaned = 2.92865e-05 Jy ! Component: 1750 - total flux cleaned = 6.46397e-05 Jy ! Component: 1800 - total flux cleaned = 0.000169106 Jy ! Component: 1850 - total flux cleaned = 0.000237788 Jy ! Component: 1900 - total flux cleaned = 0.000271997 Jy ! Component: 1950 - total flux cleaned = 0.00040705 Jy ! Component: 2000 - total flux cleaned = 0.000473934 Jy ! Total flux subtracted in 2048 components = 0.000606699 Jy ! Clean residual min=-0.001812 max=0.002772 Jy/beam ! Clean residual mean=0.000047 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 1.57995 Jy keep ! Adding 120 model components to the UV plane model. ! The established model now contains 358 components and 1.57995 Jy wmap "J0921-2618_S_2003_09_17_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.293 x 10.3 at -9.53 degrees (North through East) ! Clean map min=-0.0036539 max=1.0288 Jy/beam ! Writing clean map to FITS file: J0921-2618_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 1.02878 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000668505 device "J0921-2618_S_2003_09_17_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_S_2003_09_17_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.194942 0.194942 0.389884 0.779768 1.55954 3.11907 6.23814 12.4763 24.9526 49.9052 99.8103 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.028 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.293 x 10.3 at -9.53 degrees (North through East) ! Clean map min=-0.0036539 max=1.0288 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0921-2618_S_2003_09_17_pus\_map.gif/vgif" ! Attempting to open device: 'J0921-2618_S_2003_09_17_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0921-2618_S_2003_09_17_pus_uvs.log closed on Tue May 22 23:55:45 2007