! Started logfile: J1957-3845_X_2001_10_29_pus_uvs.log on Mon Feb 25 16:22:23 2008 obs J1957-3845_X_2001_10_29_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2001_10_29_pus_uva.fits ! AN table 1: 83 integrations on 153 of 153 possible baselines. ! AN table 2: 17 integrations on 153 of 153 possible baselines. ! AN table 3: 17 integrations on 153 of 153 possible baselines. ! AN table 4: 23 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0334267 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 1970 lines of history. ! ! Reading 2864 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 ![@muppet J1957-3845_X_2001_10_29_pus] 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 1437 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 214 telescope corrections were flagged in sub-array 3. ! A total of 273 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1437 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 214 telescope corrections were flagged in sub-array 3. ! A total of 273 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1437 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 214 telescope corrections were flagged in sub-array 3. ! A total of 273 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1437 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 214 telescope corrections were flagged in sub-array 3. ! A total of 273 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.810949Jy sigma=0.006122 ! Fit after self-cal, rms=0.247959Jy sigma=0.001651 ! 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=0.7655 mas, bmaj=2.245 mas, bpa=4.193 degrees ! Estimated noise=2666.82 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 = 0.68897 Jy ! Component: 100 - total flux cleaned = 0.853901 Jy ! Total flux subtracted in 100 components = 0.853901 Jy ! Clean residual min=-0.038793 max=0.071303 Jy/beam ! Clean residual mean=0.002133 rms=0.019025 Jy/beam ! Combined flux in latest and established models = 0.853901 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.853901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243027Jy sigma=0.001740 ! Fit after self-cal, rms=0.242927Jy sigma=0.001738 ! 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=0.9115 mas, bmaj=3.563 mas, bpa=1.897 degrees ! Estimated noise=1854.1 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 = 0.110391 Jy ! Component: 100 - total flux cleaned = 0.164226 Jy ! Component: 150 - total flux cleaned = 0.192499 Jy ! Component: 200 - total flux cleaned = 0.207826 Jy ! Total flux subtracted in 200 components = 0.207826 Jy ! Clean residual min=-0.022822 max=0.028526 Jy/beam ! Clean residual mean=0.001625 rms=0.006637 Jy/beam ! Combined flux in latest and established models = 1.06173 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 26 components and 1.06173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198641Jy sigma=0.001255 ! Fit after self-cal, rms=0.198507Jy sigma=0.001252 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 0.96 KP 1.01 LA 1.00 ! MA 1.00* MC 1.00* MK 1.00 NL 1.00* ! OV 1.02 PT 1.00 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 1.00 ! MA 1.00* MC 1.00* MK 1.00* NL 1.04 ! OV 0.97 PT 0.99 SC 1.07 TS 1.00* ! WF 1.29 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 1.01 LA 0.97 ! MA 1.00* MC 1.00* MK 0.98 NL 1.00* ! OV 0.98 PT 0.97 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 0.98 ! MA 1.00* MC 1.00* MK 1.00* NL 1.04 ! OV 1.00 PT 0.96 SC 1.00 TS 1.00* ! WF 1.19 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 0.95 KP 0.99 LA 1.02 ! MA 1.00* MC 1.00* MK 0.99 NL 1.00* ! OV 0.98 PT 0.99 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.95 LA 1.01 ! MA 1.00* MC 1.00* MK 1.00* NL 1.07 ! OV 0.99 PT 0.99 SC 0.98 TS 1.00* ! WF 1.19 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 0.89 KP 1.00 LA 0.97 ! MA 1.00* MC 1.00* MK 1.03 NL 1.00* ! OV 1.00 PT 1.01 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 0.98 ! MA 1.00* MC 1.00* MK 1.00* NL 1.08 ! OV 0.98 PT 0.97 SC 1.04 TS 1.00* ! WF 1.26 WZ 1.00* ! ! ! Fit before self-cal, rms=0.198507Jy sigma=0.001252 ! Fit after self-cal, rms=0.184222Jy sigma=0.001167 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9661 mas, bmaj=6.03 mas, bpa=0.1083 degrees ! Estimated noise=1918.89 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 = 0.000497215 Jy ! Component: 100 - total flux cleaned = -0.000448738 Jy ! Component: 150 - total flux cleaned = -0.00125311 Jy ! Component: 200 - total flux cleaned = -0.0015425 Jy ! Total flux subtracted in 200 components = -0.0015425 Jy ! Clean residual min=-0.011252 max=0.014457 Jy/beam ! Clean residual mean=0.000885 rms=0.003730 Jy/beam ! Combined flux in latest and established models = 1.06018 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 40 components and 1.06018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183846Jy sigma=0.001164 ! Fit after self-cal, rms=0.184125Jy sigma=0.001164 ! 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=0.184125Jy sigma=0.001164 ! Fit after self-cal, rms=0.184102Jy sigma=0.001164 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9647 mas, bmaj=6.031 mas, bpa=0.1459 degrees ! Estimated noise=1915.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000192207 Jy ! Component: 100 - total flux cleaned = -0.000635603 Jy ! Component: 150 - total flux cleaned = -0.00118509 Jy ! Component: 200 - total flux cleaned = -0.00155628 Jy ! Total flux subtracted in 200 components = -0.00155628 Jy ! Clean residual min=-0.010136 max=0.013710 Jy/beam ! Clean residual mean=0.000800 rms=0.003563 Jy/beam ! Combined flux in latest and established models = 1.05863 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 46 components and 1.05863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183802Jy sigma=0.001162 ! Fit after self-cal, rms=0.183822Jy sigma=0.001162 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 = -4.12503e-07 Jy ! Component: 100 - total flux cleaned = -0.00024275 Jy ! Component: 150 - total flux cleaned = -0.000351805 Jy ! Component: 200 - total flux cleaned = -0.000468473 Jy ! Total flux subtracted in 200 components = -0.000468473 Jy ! Clean residual min=-0.009412 max=0.013578 Jy/beam ! Clean residual mean=0.000821 rms=0.003484 Jy/beam ! Combined flux in latest and established models = 1.05816 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 53 components and 1.05816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183616Jy sigma=0.001161 ! Fit after self-cal, rms=0.183618Jy sigma=0.001160 ! 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=0.183618Jy sigma=0.001160 ! Fit after self-cal, rms=0.183767Jy sigma=0.001160 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9635 mas, bmaj=6.033 mas, bpa=0.1819 degrees ! Estimated noise=1913.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.77148e-05 Jy ! Component: 100 - total flux cleaned = -0.00077398 Jy ! Component: 150 - total flux cleaned = -0.00111817 Jy ! Component: 200 - total flux cleaned = -0.00143905 Jy ! Total flux subtracted in 200 components = -0.00143905 Jy ! Clean residual min=-0.008640 max=0.013009 Jy/beam ! Clean residual mean=0.000724 rms=0.003357 Jy/beam ! Combined flux in latest and established models = 1.05672 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 53 components and 1.05672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183548Jy sigma=0.001159 ! Fit after self-cal, rms=0.183558Jy sigma=0.001159 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 = -9.20092e-05 Jy ! Component: 100 - total flux cleaned = -0.000298147 Jy ! Component: 150 - total flux cleaned = -0.000394987 Jy ! Component: 200 - total flux cleaned = -0.00059056 Jy ! Total flux subtracted in 200 components = -0.00059056 Jy ! Clean residual min=-0.008067 max=0.012954 Jy/beam ! Clean residual mean=0.000751 rms=0.003296 Jy/beam ! Combined flux in latest and established models = 1.05613 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 55 components and 1.05613 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183395Jy sigma=0.001158 ! Fit after self-cal, rms=0.183388Jy sigma=0.001158 ! Inverting map 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=0.183388Jy sigma=0.001158 ! Fit after self-cal, rms=0.183588Jy sigma=0.001157 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.392 mas, bmaj=7.694 mas, bpa=-6.403 degrees ! Estimated noise=2284.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010515 Jy ! Component: 100 - total flux cleaned = 0.000840678 Jy ! Component: 150 - total flux cleaned = 0.00049513 Jy ! Component: 200 - total flux cleaned = 0.000211969 Jy ! Total flux subtracted in 200 components = 0.000211969 Jy ! Clean residual min=-0.004881 max=0.009596 Jy/beam ! Clean residual mean=0.001088 rms=0.002593 Jy/beam ! Combined flux in latest and established models = 1.05634 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 59 components and 1.05634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183524Jy sigma=0.001158 ! Fit after self-cal, rms=0.183130Jy sigma=0.001156 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 = -0.000264278 Jy ! Component: 100 - total flux cleaned = -0.000452836 Jy ! Component: 150 - total flux cleaned = -0.000756092 Jy ! Component: 200 - total flux cleaned = -0.000884945 Jy ! Total flux subtracted in 200 components = -0.000884945 Jy ! Clean residual min=-0.004709 max=0.009325 Jy/beam ! Clean residual mean=0.001162 rms=0.002530 Jy/beam ! Combined flux in latest and established models = 1.05546 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 62 components and 1.05546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183100Jy sigma=0.001157 ! Fit after self-cal, rms=0.182793Jy sigma=0.001155 ! 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=0.9624 mas, bmaj=6.034 mas, bpa=0.214 degrees ! Estimated noise=1912.1 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9624 x 6.034 at 0.214 degrees (North through East) ! Clean map min=-0.0060552 max=0.93692 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=0.182793Jy sigma=0.001155 ! Fit after self-cal, rms=0.172712Jy sigma=0.001013 ! Inverting map and beam ! Estimated beam: bmin=0.9622 mas, bmaj=6.04 mas, bpa=0.2405 degrees ! Estimated noise=1915.57 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00145116 Jy ! Component: 100 - total flux cleaned = -0.00188752 Jy ! Component: 150 - total flux cleaned = -0.00207635 Jy ! Component: 200 - total flux cleaned = -0.00216153 Jy ! Total flux subtracted in 200 components = -0.00216153 Jy ! Clean residual min=-0.006271 max=0.011450 Jy/beam ! Clean residual mean=0.000807 rms=0.002958 Jy/beam ! Combined flux in latest and established models = 1.0533 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 63 components and 1.0533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172572Jy sigma=0.001012 ! Fit after self-cal, rms=0.172572Jy sigma=0.001012 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.85572e-05 Jy ! Component: 100 - total flux cleaned = -5.26115e-05 Jy ! Component: 150 - total flux cleaned = -0.000117933 Jy ! Component: 200 - total flux cleaned = -0.000184582 Jy ! Total flux subtracted in 200 components = -0.000184582 Jy ! Clean residual min=-0.006212 max=0.011394 Jy/beam ! Clean residual mean=0.000815 rms=0.002921 Jy/beam ! Combined flux in latest and established models = 1.05311 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 64 components and 1.05311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172497Jy sigma=0.001012 ! Fit after self-cal, rms=0.172495Jy sigma=0.001012 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172495Jy sigma=0.001012 ! Fit after self-cal, rms=0.172904Jy sigma=0.001011 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=0.8654 mas, bmaj=5.003 mas, bpa=0.1695 degrees ! Estimated noise=2751.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.711261 Jy ! Component: 100 - total flux cleaned = 0.882164 Jy ! Component: 150 - total flux cleaned = 0.953993 Jy ! Component: 200 - total flux cleaned = 0.99367 Jy ! Total flux subtracted in 200 components = 0.99367 Jy ! Clean residual min=-0.020845 max=0.046053 Jy/beam ! Clean residual mean=0.001007 rms=0.008031 Jy/beam ! Combined flux in latest and established models = 0.99367 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.99367 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9616 mas, bmaj=6.042 mas, bpa=0.2711 degrees ! Estimated noise=1914.67 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) ! Added new window around map position (-1.2, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0393397 Jy ! Component: 100 - total flux cleaned = 0.0541018 Jy ! Component: 150 - total flux cleaned = 0.0578851 Jy ! Component: 200 - total flux cleaned = 0.060957 Jy ! Total flux subtracted in 200 components = 0.060957 Jy ! Clean residual min=-0.006109 max=0.009722 Jy/beam ! Clean residual mean=0.000589 rms=0.002353 Jy/beam ! Combined flux in latest and established models = 1.05463 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 1.05463 Jy ! Inverting map 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 ! Estimated beam: bmin=2.397 mas, bmaj=7.695 mas, bpa=-6.319 degrees ! Estimated noise=2287.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00316838 Jy ! Component: 100 - total flux cleaned = 0.00347525 Jy ! Component: 150 - total flux cleaned = 0.00373201 Jy ! Component: 200 - total flux cleaned = 0.00416446 Jy ! Total flux subtracted in 200 components = 0.00416446 Jy ! Clean residual min=-0.004583 max=0.007698 Jy/beam ! Clean residual mean=0.000737 rms=0.002100 Jy/beam ! Combined flux in latest and established models = 1.05879 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 = -1.55975e-07 Jy ! Component: 100 - total flux cleaned = -2.1799e-06 Jy ! Component: 150 - total flux cleaned = -3.7074e-06 Jy ! Component: 200 - total flux cleaned = -9.14961e-05 Jy ! Total flux subtracted in 200 components = -9.14961e-05 Jy ! Clean residual min=-0.004545 max=0.007705 Jy/beam ! Clean residual mean=0.000744 rms=0.002062 Jy/beam ! Combined flux in latest and established models = 1.0587 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 1.0587 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9616 mas, bmaj=6.042 mas, bpa=0.2711 degrees ! Estimated noise=1914.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00023568 Jy ! Component: 100 - total flux cleaned = 0.000101178 Jy ! Component: 150 - total flux cleaned = -2.27658e-05 Jy ! Component: 200 - total flux cleaned = -0.00025109 Jy ! Total flux subtracted in 200 components = -0.00025109 Jy ! Clean residual min=-0.005633 max=0.009245 Jy/beam ! Clean residual mean=0.000421 rms=0.002155 Jy/beam ! Combined flux in latest and established models = 1.05845 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 77 components and 1.05845 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170586Jy sigma=0.001003 ! Fit after self-cal, rms=0.170333Jy sigma=0.001001 wmodel J1957-3845_X_2001_10_29_pus_map.mod ! Writing 77 model components to file: J1957-3845_X_2001_10_29_pus_map.mod wobs J1957-3845_X_2001_10_29_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2001_10_29_pus_uvs.fits wwins J1957-3845_X_2001_10_29_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_X_2001_10_29_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=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0031537 Jy ! Component: 100 - total flux cleaned = 0.00577091 Jy ! Component: 150 - total flux cleaned = 0.00738373 Jy ! Component: 200 - total flux cleaned = 0.00820551 Jy ! Component: 250 - total flux cleaned = 0.0085174 Jy ! Component: 300 - total flux cleaned = 0.00873881 Jy ! Component: 350 - total flux cleaned = 0.00873925 Jy ! Component: 400 - total flux cleaned = 0.00874117 Jy ! Component: 450 - total flux cleaned = 0.00874129 Jy ! Component: 500 - total flux cleaned = 0.00867632 Jy ! Component: 550 - total flux cleaned = 0.00867726 Jy ! Component: 600 - total flux cleaned = 0.00873992 Jy ! Component: 650 - total flux cleaned = 0.00885943 Jy ! Component: 700 - total flux cleaned = 0.00885995 Jy ! Component: 750 - total flux cleaned = 0.00903098 Jy ! Component: 800 - total flux cleaned = 0.00914308 Jy ! Component: 850 - total flux cleaned = 0.00925293 Jy ! Component: 900 - total flux cleaned = 0.00941431 Jy ! Component: 950 - total flux cleaned = 0.00946678 Jy ! Component: 1000 - total flux cleaned = 0.00957084 Jy ! Total flux subtracted in 1024 components = 0.00957093 Jy ! Clean residual min=-0.002847 max=0.002789 Jy/beam ! Clean residual mean=0.000034 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 1.06802 Jy keep ! Adding 62 model components to the UV plane model. ! The established model now contains 139 components and 1.06802 Jy ![Exited script file: muppet] wmap "J1957-3845_X_2001_10_29_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9616 x 6.042 at 0.2711 degrees (North through East) ! Clean map min=-0.0071545 max=0.92527 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2001_10_29_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.925271 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00117884 device "J1957-3845_X_2001_10_29_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2001_10_29_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.382213 0.382213 0.764427 1.52885 3.05771 6.11542 12.2308 24.4617 48.9233 97.8466 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.925 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9616 x 6.042 at 0.2711 degrees (North through East) ! Clean map min=-0.0071545 max=0.92527 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2001_10_29_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2001_10_29_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_2001_10_29_pus_uvs.log closed on Mon Feb 25 16:22:26 2008