! Started logfile: J0239-0234_X_2009_04_21_pus_uvs.log on Sun Jan 23 18:53:52 2011 obs J0239-0234_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0239-0234_X_2009_04_21_pus_uva.fits ! AN table 1: 41 integrations on 120 of 120 possible baselines. ! AN table 2: 107 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.154561 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0239-0234 ! ! 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 2449 lines of history. ! ! Reading 10980 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0239-0234_X_2009_04_21_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 = 512x512 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 390 telescope corrections were flagged in sub-array 1. ! A total of 1188 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 390 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 390 telescope corrections were flagged in sub-array 1. ! A total of 1188 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 390 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.713760Jy sigma=0.006599 ! Fit after self-cal, rms=0.322934Jy sigma=0.003113 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.778% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.5569 mas, bmaj=2.238 mas, bpa=-7.08 degrees ! Estimated noise=910.442 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 = 0.562758 Jy ! Component: 100 - total flux cleaned = 0.686258 Jy ! Total flux subtracted in 100 components = 0.686258 Jy ! Clean residual min=-0.011457 max=0.038547 Jy/beam ! Clean residual mean=0.000207 rms=0.003884 Jy/beam ! Combined flux in latest and established models = 0.686258 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.686258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163781Jy sigma=0.001571 ! Fit after self-cal, rms=0.163772Jy sigma=0.001571 ! Inverting map ! Your choice of large map pixels excluded 0.778% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0385422 Jy ! Component: 100 - total flux cleaned = 0.0577647 Jy ! Total flux subtracted in 100 components = 0.0577647 Jy ! Clean residual min=-0.009476 max=0.015380 Jy/beam ! Clean residual mean=0.000072 rms=0.002570 Jy/beam ! Combined flux in latest and established models = 0.744023 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 22 components and 0.744023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156298Jy sigma=0.001447 ! Fit after self-cal, rms=0.156263Jy sigma=0.001447 ! Inverting map ! Your choice of large map pixels excluded 0.778% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Added new window around map position (1.2, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0146077 Jy ! Component: 100 - total flux cleaned = 0.0236238 Jy ! Total flux subtracted in 100 components = 0.0236238 Jy ! Clean residual min=-0.008685 max=0.013161 Jy/beam ! Clean residual mean=0.000013 rms=0.002322 Jy/beam ! Combined flux in latest and established models = 0.767647 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 28 components and 0.767647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155430Jy sigma=0.001430 ! Fit after self-cal, rms=0.155371Jy sigma=0.001429 ! Inverting map ! Your choice of large map pixels excluded 0.778% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.778% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6418 mas, bmaj=2.533 mas, bpa=-4.839 degrees ! Estimated noise=705.654 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 = 0.0022013 Jy ! Component: 100 - total flux cleaned = 0.00200857 Jy ! Component: 150 - total flux cleaned = 0.00216628 Jy ! Component: 200 - total flux cleaned = 0.00229754 Jy ! Total flux subtracted in 200 components = 0.00229754 Jy ! Clean residual min=-0.009389 max=0.009460 Jy/beam ! Clean residual mean=0.000159 rms=0.002541 Jy/beam ! Combined flux in latest and established models = 0.769944 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 37 components and 0.769944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155058Jy sigma=0.001425 ! Fit after self-cal, rms=0.155036Jy sigma=0.001425 ! Inverting map ! Your choice of large map pixels excluded 0.778% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 1.00 KB 1.07 ! KK 1.00 KP 0.97 LA 0.96 MK 1.02 ! NL 0.97 NY 1.00* OV 0.99 PT 1.00 ! SC 1.00* TS 1.04 WZ 1.00* ZC 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.99 HN 0.99 KB 0.97 ! KK 0.96 KP 1.01 LA 1.02 MK 1.00* ! NL 0.98 NY 1.00* OV 1.05 PT 1.05 ! SC 1.00 TS 0.94 WZ 1.08 ZC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HN 1.01 KB 1.07 ! KK 0.94 KP 0.96 LA 0.96 MK 1.01 ! NL 0.98 NY 1.00* OV 0.96 PT 0.99 ! SC 1.00* TS 1.04 WZ 1.00* ZC 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00 HN 0.97 KB 0.95 ! KK 0.87 KP 1.01 LA 1.02 MK 1.00* ! NL 0.99 NY 1.00* OV 1.02 PT 1.03 ! SC 1.02 TS 0.96 WZ 1.04 ZC 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 1.04 KB 1.05 ! KK 0.99 KP 0.97 LA 0.95 MK 1.02 ! NL 1.00 NY 1.00* OV 1.02 PT 0.98 ! SC 1.00* TS 1.03 WZ 1.00* ZC 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.00 HN 0.98 KB 0.95 ! KK 0.95 KP 1.01 LA 1.01 MK 1.00* ! NL 1.02 NY 1.00* OV 1.06 PT 1.01 ! SC 1.02 TS 0.92 WZ 1.00 ZC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.00 KB 1.06 ! KK 0.96 KP 0.95 LA 0.94 MK 1.03 ! NL 1.03 NY 1.00* OV 0.99 PT 0.97 ! SC 1.00* TS 1.02 WZ 1.00* ZC 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.99 HN 0.99 KB 0.96 ! KK 1.02 KP 1.02 LA 1.02 MK 1.00* ! NL 1.02 NY 1.00* OV 1.04 PT 1.02 ! SC 1.04 TS 0.96 WZ 1.02 ZC 1.01 ! ! ! Fit before self-cal, rms=0.155036Jy sigma=0.001425 ! Fit after self-cal, rms=0.151113Jy sigma=0.001383 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6501 mas, bmaj=2.583 mas, bpa=-4.887 degrees ! Estimated noise=714.525 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, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174045 Jy ! Component: 100 - total flux cleaned = 0.00130753 Jy ! Component: 150 - total flux cleaned = 0.000812427 Jy ! Component: 200 - total flux cleaned = 0.00108266 Jy ! Total flux subtracted in 200 components = 0.00108266 Jy ! Clean residual min=-0.005210 max=0.005776 Jy/beam ! Clean residual mean=-0.000385 rms=0.001236 Jy/beam ! Combined flux in latest and established models = 0.771027 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 0.771027 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150548Jy sigma=0.001377 ! Fit after self-cal, rms=0.150534Jy sigma=0.001377 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150534Jy sigma=0.001377 ! Fit after self-cal, rms=0.149312Jy sigma=0.001369 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6507 mas, bmaj=2.588 mas, bpa=-4.977 degrees ! Estimated noise=712.592 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00141785 Jy ! Component: 100 - total flux cleaned = -0.00165376 Jy ! Component: 150 - total flux cleaned = -0.00147497 Jy ! Component: 200 - total flux cleaned = -0.00139667 Jy ! Total flux subtracted in 200 components = -0.00139667 Jy ! Clean residual min=-0.004264 max=0.004256 Jy/beam ! Clean residual mean=-0.000403 rms=0.000981 Jy/beam ! Combined flux in latest and established models = 0.76963 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.76963 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149124Jy sigma=0.001367 ! Fit after self-cal, rms=0.149130Jy sigma=0.001367 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000248075 Jy ! Component: 100 - total flux cleaned = 0.000251209 Jy ! Component: 150 - total flux cleaned = 0.000310484 Jy ! Component: 200 - total flux cleaned = 0.000252114 Jy ! Total flux subtracted in 200 components = 0.000252114 Jy ! Clean residual min=-0.004202 max=0.004068 Jy/beam ! Clean residual mean=-0.000408 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 0.769882 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 0.769882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149071Jy sigma=0.001366 ! Fit after self-cal, rms=0.149071Jy sigma=0.001366 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149071Jy sigma=0.001366 ! Fit after self-cal, rms=0.148827Jy sigma=0.001366 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6521 mas, bmaj=2.589 mas, bpa=-5.015 degrees ! Estimated noise=711.829 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0021624 Jy ! Component: 100 - total flux cleaned = -0.00211352 Jy ! Component: 150 - total flux cleaned = -0.00193849 Jy ! Component: 200 - total flux cleaned = -0.00183837 Jy ! Total flux subtracted in 200 components = -0.00183837 Jy ! Clean residual min=-0.003999 max=0.004066 Jy/beam ! Clean residual mean=-0.000288 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 0.768044 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 82 components and 0.768044 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148748Jy sigma=0.001365 ! Fit after self-cal, rms=0.148750Jy sigma=0.001365 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00021044 Jy ! Component: 100 - total flux cleaned = 0.000213181 Jy ! Component: 150 - total flux cleaned = 0.000213065 Jy ! Component: 200 - total flux cleaned = 0.000174977 Jy ! Total flux subtracted in 200 components = 0.000174977 Jy ! Clean residual min=-0.003922 max=0.003889 Jy/beam ! Clean residual mean=-0.000291 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.768219 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 84 components and 0.768219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148723Jy sigma=0.001365 ! Fit after self-cal, rms=0.148724Jy sigma=0.001365 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148724Jy sigma=0.001365 ! Fit after self-cal, rms=0.148549Jy sigma=0.001365 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=2.47 mas, bmaj=3.722 mas, bpa=-10.88 degrees ! Estimated noise=903.822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000871315 Jy ! Component: 100 - total flux cleaned = -0.000906373 Jy ! Component: 150 - total flux cleaned = -0.000904615 Jy ! Component: 200 - total flux cleaned = -0.000906005 Jy ! Total flux subtracted in 200 components = -0.000906005 Jy ! Clean residual min=-0.004794 max=0.003326 Jy/beam ! Clean residual mean=-0.000462 rms=0.001170 Jy/beam ! Combined flux in latest and established models = 0.767313 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 90 components and 0.767313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148523Jy sigma=0.001364 ! Fit after self-cal, rms=0.148522Jy sigma=0.001364 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162256 Jy ! Component: 100 - total flux cleaned = 0.000181113 Jy ! Component: 150 - total flux cleaned = 0.000165083 Jy ! Component: 200 - total flux cleaned = 0.000149944 Jy ! Total flux subtracted in 200 components = 0.000149944 Jy ! Clean residual min=-0.004766 max=0.003206 Jy/beam ! Clean residual mean=-0.000467 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 0.767463 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 95 components and 0.767463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148517Jy sigma=0.001364 ! Fit after self-cal, rms=0.148516Jy sigma=0.001364 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6532 mas, bmaj=2.59 mas, bpa=-5.042 degrees ! Estimated noise=711.263 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6532 x 2.59 at -5.042 degrees (North through East) ! Clean map min=-0.0035398 max=0.72024 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=0.148516Jy sigma=0.001364 ! Fit after self-cal, rms=0.142364Jy sigma=0.001263 ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6537 mas, bmaj=2.592 mas, bpa=-5.049 degrees ! Estimated noise=710.548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00135621 Jy ! Component: 100 - total flux cleaned = -0.00157987 Jy ! Component: 150 - total flux cleaned = -0.00166032 Jy ! Component: 200 - total flux cleaned = -0.0017339 Jy ! Total flux subtracted in 200 components = -0.0017339 Jy ! Clean residual min=-0.003579 max=0.003747 Jy/beam ! Clean residual mean=-0.000170 rms=0.000880 Jy/beam ! Combined flux in latest and established models = 0.765729 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 107 components and 0.765729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142331Jy sigma=0.001262 ! Fit after self-cal, rms=0.142333Jy sigma=0.001262 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.8441e-05 Jy ! Component: 100 - total flux cleaned = -7.24175e-05 Jy ! Component: 150 - total flux cleaned = -0.000103429 Jy ! Component: 200 - total flux cleaned = -0.00010278 Jy ! Total flux subtracted in 200 components = -0.00010278 Jy ! Clean residual min=-0.003563 max=0.003627 Jy/beam ! Clean residual mean=-0.000169 rms=0.000877 Jy/beam ! Combined flux in latest and established models = 0.765626 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 110 components and 0.765626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142319Jy sigma=0.001262 ! Fit after self-cal, rms=0.142321Jy sigma=0.001262 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142321Jy sigma=0.001262 ! Fit after self-cal, rms=0.142204Jy sigma=0.001262 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.5609 mas, bmaj=2.288 mas, bpa=-7.2 degrees ! Estimated noise=912.533 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.55968 Jy ! Component: 100 - total flux cleaned = 0.681726 Jy ! Component: 150 - total flux cleaned = 0.71293 Jy ! Component: 200 - total flux cleaned = 0.72751 Jy ! Total flux subtracted in 200 components = 0.72751 Jy ! Clean residual min=-0.007139 max=0.007454 Jy/beam ! Clean residual mean=0.000076 rms=0.001629 Jy/beam ! Combined flux in latest and established models = 0.72751 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.72751 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6544 mas, bmaj=2.593 mas, bpa=-5.062 degrees ! Estimated noise=710.111 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 = 0.0141751 Jy ! Component: 100 - total flux cleaned = 0.0228562 Jy ! Component: 150 - total flux cleaned = 0.0286431 Jy ! Component: 200 - total flux cleaned = 0.0323114 Jy ! Total flux subtracted in 200 components = 0.0323114 Jy ! Clean residual min=-0.003575 max=0.004004 Jy/beam ! Clean residual mean=-0.000055 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.759821 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 40 components and 0.759821 Jy ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=2.471 mas, bmaj=3.725 mas, bpa=-10.9 degrees ! Estimated noise=900.843 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00380441 Jy ! Component: 100 - total flux cleaned = 0.00486719 Jy ! Component: 150 - total flux cleaned = 0.00527079 Jy ! Component: 200 - total flux cleaned = 0.0054559 Jy ! Total flux subtracted in 200 components = 0.0054559 Jy ! Clean residual min=-0.004679 max=0.003198 Jy/beam ! Clean residual mean=-0.000310 rms=0.001148 Jy/beam ! Combined flux in latest and established models = 0.765277 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 = 8.02227e-05 Jy ! Component: 100 - total flux cleaned = 0.000151631 Jy ! Component: 150 - total flux cleaned = 0.000217863 Jy ! Component: 200 - total flux cleaned = 0.000276003 Jy ! Total flux subtracted in 200 components = 0.000276003 Jy ! Clean residual min=-0.004561 max=0.003087 Jy/beam ! Clean residual mean=-0.000320 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 0.765553 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 59 components and 0.765553 Jy ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6544 mas, bmaj=2.593 mas, bpa=-5.062 degrees ! Estimated noise=710.111 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000143127 Jy ! Component: 100 - total flux cleaned = 2.84646e-05 Jy ! Component: 150 - total flux cleaned = -2.40849e-05 Jy ! Component: 200 - total flux cleaned = -0.000122405 Jy ! Total flux subtracted in 200 components = -0.000122405 Jy ! Clean residual min=-0.003454 max=0.003269 Jy/beam ! Clean residual mean=-0.000150 rms=0.000884 Jy/beam ! Combined flux in latest and established models = 0.765431 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 70 components and 0.765431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142270Jy sigma=0.001263 ! Fit after self-cal, rms=0.142268Jy sigma=0.001263 wmodel J0239-0234_X_2009_04_21_pus_map.mod ! Writing 70 model components to file: J0239-0234_X_2009_04_21_pus_map.mod wobs J0239-0234_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0239-0234_X_2009_04_21_pus_uvs.fits wwins J0239-0234_X_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J0239-0234_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000962889 Jy ! Component: 100 - total flux cleaned = -0.00107994 Jy ! Component: 150 - total flux cleaned = -0.00136073 Jy ! Component: 200 - total flux cleaned = -0.00163167 Jy ! Component: 250 - total flux cleaned = -0.0019979 Jy ! Component: 300 - total flux cleaned = -0.00225151 Jy ! Component: 350 - total flux cleaned = -0.0024505 Jy ! Component: 400 - total flux cleaned = -0.00278987 Jy ! Component: 450 - total flux cleaned = -0.00307413 Jy ! Component: 500 - total flux cleaned = -0.00330544 Jy ! Component: 550 - total flux cleaned = -0.00348698 Jy ! Component: 600 - total flux cleaned = -0.00370974 Jy ! Component: 650 - total flux cleaned = -0.00397183 Jy ! Component: 700 - total flux cleaned = -0.00418637 Jy ! Component: 750 - total flux cleaned = -0.00439697 Jy ! Component: 800 - total flux cleaned = -0.00447972 Jy ! Component: 850 - total flux cleaned = -0.00476636 Jy ! Component: 900 - total flux cleaned = -0.00492767 Jy ! Component: 950 - total flux cleaned = -0.00512611 Jy ! Component: 1000 - total flux cleaned = -0.0052828 Jy ! Component: 1050 - total flux cleaned = -0.00543687 Jy ! Component: 1100 - total flux cleaned = -0.00558907 Jy ! Component: 1150 - total flux cleaned = -0.00566472 Jy ! Component: 1200 - total flux cleaned = -0.00588777 Jy ! Component: 1250 - total flux cleaned = -0.00596148 Jy ! Component: 1300 - total flux cleaned = -0.0060707 Jy ! Component: 1350 - total flux cleaned = -0.00625015 Jy ! Component: 1400 - total flux cleaned = -0.00632086 Jy ! Component: 1450 - total flux cleaned = -0.00642567 Jy ! Component: 1500 - total flux cleaned = -0.00645993 Jy ! Component: 1550 - total flux cleaned = -0.00646002 Jy ! Component: 1600 - total flux cleaned = -0.00652826 Jy ! Component: 1650 - total flux cleaned = -0.00662959 Jy ! Component: 1700 - total flux cleaned = -0.00672944 Jy ! Component: 1750 - total flux cleaned = -0.00676222 Jy ! Component: 1800 - total flux cleaned = -0.00682757 Jy ! Component: 1850 - total flux cleaned = -0.00682734 Jy ! Component: 1900 - total flux cleaned = -0.00685979 Jy ! Component: 1950 - total flux cleaned = -0.00695567 Jy ! Component: 2000 - total flux cleaned = -0.00698731 Jy ! Total flux subtracted in 2048 components = -0.00698709 Jy ! Clean residual min=-0.001564 max=0.002251 Jy/beam ! Clean residual mean=-0.000034 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.758444 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 226 components and 0.758444 Jy ![Exited script file: muppet] wmap "J0239-0234_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6544 x 2.593 at -5.062 degrees (North through East) ! Clean map min=-0.0027293 max=0.71985 Jy/beam ! Writing clean map to FITS file: J0239-0234_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.719853 invert ! Inverting map ! Your choice of large map pixels excluded 0.808% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000604839 device "J0239-0234_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0239-0234_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.252068 0.252068 0.504135 1.00827 2.01654 4.03308 8.06616 16.1323 32.2646 64.5293 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.719 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6544 x 2.593 at -5.062 degrees (North through East) ! Clean map min=-0.0027293 max=0.71985 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0239-0234_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0239-0234_X_2009_04_21_pus_map.gif/vgif' mapplot cln