! Started logfile: J1521+4336_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:36:16 2011 obs J1521+4336_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1521+4336_X_2009_04_21_pus_uva.fits ! AN table 1: 124 integrations on 120 of 120 possible baselines. ! AN table 2: 307 integrations on 120 of 120 possible baselines. ! AN table 3: 183 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.160898 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1521+4336 ! ! 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 2445 lines of history. ! ! Reading 47420 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 J1521+4336_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 1486 telescope corrections were flagged in sub-array 1. ! A total of 3319 telescope corrections were flagged in sub-array 2. ! A total of 1856 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1486 telescope corrections were flagged in sub-array 1. ! A total of 3319 telescope corrections were flagged in sub-array 2. ! A total of 1856 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1486 telescope corrections were flagged in sub-array 1. ! A total of 3320 telescope corrections were flagged in sub-array 2. ! A total of 1856 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1486 telescope corrections were flagged in sub-array 1. ! A total of 3319 telescope corrections were flagged in sub-array 2. ! A total of 1856 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.758510Jy sigma=0.006008 ! Fit after self-cal, rms=0.619511Jy sigma=0.004967 ! 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 4.52% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.4734 mas, bmaj=0.8019 mas, bpa=-6.204 degrees ! Estimated noise=859.619 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 = 0.312604 Jy ! Component: 100 - total flux cleaned = 0.382818 Jy ! Total flux subtracted in 100 components = 0.382818 Jy ! Clean residual min=-0.009867 max=0.024959 Jy/beam ! Clean residual mean=0.000101 rms=0.002510 Jy/beam ! Combined flux in latest and established models = 0.382818 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.382818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181252Jy sigma=0.001327 ! Fit after self-cal, rms=0.181228Jy sigma=0.001326 ! Inverting map ! Your choice of large map pixels excluded 4.52% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0277971 Jy ! Component: 100 - total flux cleaned = 0.0434679 Jy ! Total flux subtracted in 100 components = 0.0434679 Jy ! Clean residual min=-0.009615 max=0.016118 Jy/beam ! Clean residual mean=0.000031 rms=0.002124 Jy/beam ! Combined flux in latest and established models = 0.426286 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.426286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176703Jy sigma=0.001270 ! Fit after self-cal, rms=0.176619Jy sigma=0.001270 ! Inverting map ! Your choice of large map pixels excluded 4.52% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Added new window around map position (0, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147662 Jy ! Component: 100 - total flux cleaned = 0.0232521 Jy ! Total flux subtracted in 100 components = 0.0232521 Jy ! Clean residual min=-0.009107 max=0.010248 Jy/beam ! Clean residual mean=-0.000004 rms=0.001991 Jy/beam ! Combined flux in latest and established models = 0.449538 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 0.449538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175491Jy sigma=0.001253 ! Fit after self-cal, rms=0.175399Jy sigma=0.001253 ! Inverting map ! Your choice of large map pixels excluded 4.52% of the data. ! The x-axis pixel size should ideally be below 0.16 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 4.52% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5864 mas, bmaj=0.9348 mas, bpa=-2.276 degrees ! Estimated noise=420.511 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 (-7, 24.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0101011 Jy ! Component: 100 - total flux cleaned = 0.0164026 Jy ! Component: 150 - total flux cleaned = 0.0192025 Jy ! Component: 200 - total flux cleaned = 0.0211362 Jy ! Total flux subtracted in 200 components = 0.0211362 Jy ! Clean residual min=-0.006047 max=0.007642 Jy/beam ! Clean residual mean=0.000141 rms=0.001585 Jy/beam ! Combined flux in latest and established models = 0.470674 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 30 components and 0.470674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174872Jy sigma=0.001245 ! Fit after self-cal, rms=0.174819Jy sigma=0.001245 ! Inverting map ! Your choice of large map pixels excluded 4.52% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.02 KB 0.93 ! KK 0.96 KP 1.00 LA 1.00 MK 0.98 ! NL 1.01 NY 1.00* OV 1.01 PT 1.02 ! SC 0.98 TS 0.92 WZ 1.00* ZC 1.03 ! ! A total of 255 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.98 HN 1.03 KB 1.07 ! KK 1.02 KP 0.97 LA 0.99 MK 1.02 ! NL 0.93 NY 0.95 OV 0.97 PT 0.96 ! SC 0.99 TS 0.94 WZ 1.15 ZC 0.99 ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.99 HN 1.04 KB 0.93 ! KK 1.00* KP 1.07 LA 1.01 MK 1.00* ! NL 1.01 NY 0.95 OV 1.00* PT 1.06 ! SC 1.06 TS 0.90 WZ 1.05 ZC 1.04 ! ! ! Correcting IF 2. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.03 KB 0.96 ! KK 0.95 KP 0.98 LA 1.01 MK 0.93 ! NL 0.93 NY 1.00* OV 0.97 PT 0.98 ! SC 0.95 TS 0.99 WZ 1.00* ZC 1.06 ! ! A total of 255 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.98 HN 1.03 KB 1.08 ! KK 1.00 KP 0.96 LA 0.97 MK 1.02 ! NL 0.91 NY 0.97 OV 0.95 PT 0.96 ! SC 1.00 TS 0.95 WZ 1.07 ZC 1.00 ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.01 HN 1.02 KB 0.90 ! KK 1.00* KP 1.11 LA 1.01 MK 1.00* ! NL 0.98 NY 0.97 OV 1.00* PT 1.05 ! SC 1.06 TS 0.94 WZ 1.03 ZC 1.04 ! ! ! Correcting IF 3. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.05 HN 1.02 KB 0.96 ! KK 1.00 KP 0.98 LA 1.00 MK 0.98 ! NL 0.96 NY 1.00* OV 1.03 PT 0.99 ! SC 0.95 TS 0.95 WZ 1.00* ZC 1.06 ! ! A total of 255 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 HN 1.04 KB 1.08 ! KK 1.02 KP 0.97 LA 0.98 MK 1.01 ! NL 0.96 NY 0.98 OV 0.98 PT 0.95 ! SC 1.02 TS 0.95 WZ 1.06 ZC 1.00 ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.00 HN 1.08 KB 0.96 ! KK 1.00* KP 1.08 LA 0.99 MK 1.00* ! NL 1.01 NY 1.02 OV 1.00* PT 1.02 ! SC 1.06 TS 0.89 WZ 0.98 ZC 1.07 ! ! ! Correcting IF 4. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.05 HN 1.04 KB 0.92 ! KK 0.99 KP 1.00 LA 0.99 MK 1.00 ! NL 1.03 NY 1.00* OV 0.99 PT 0.95 ! SC 1.00 TS 0.98 WZ 1.00* ZC 1.04 ! ! A total of 255 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HN 1.07 KB 1.05 ! KK 1.00 KP 0.97 LA 0.95 MK 1.02 ! NL 0.95 NY 0.94 OV 0.97 PT 0.93 ! SC 1.02 TS 0.99 WZ 1.08 ZC 1.01 ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.05 HN 1.10 KB 0.99 ! KK 1.00* KP 1.08 LA 1.00 MK 1.00* ! NL 1.03 NY 0.98 OV 1.00* PT 1.01 ! SC 1.06 TS 0.91 WZ 1.03 ZC 1.02 ! ! ! Fit before self-cal, rms=0.174819Jy sigma=0.001245 ! Fit after self-cal, rms=0.173910Jy sigma=0.001226 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5896 mas, bmaj=0.9525 mas, bpa=-2.493 degrees ! Estimated noise=425.749 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 = -0.00379844 Jy ! Component: 100 - total flux cleaned = -0.00506718 Jy ! Component: 150 - total flux cleaned = -0.00601244 Jy ! Component: 200 - total flux cleaned = -0.00641913 Jy ! Total flux subtracted in 200 components = -0.00641913 Jy ! Clean residual min=-0.003314 max=0.003912 Jy/beam ! Clean residual mean=0.000036 rms=0.000934 Jy/beam ! Combined flux in latest and established models = 0.464255 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 44 components and 0.464255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173785Jy sigma=0.001225 ! Fit after self-cal, rms=0.173749Jy sigma=0.001225 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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=0.173749Jy sigma=0.001225 ! Fit after self-cal, rms=0.177767Jy sigma=0.001204 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5893 mas, bmaj=0.9579 mas, bpa=-2.033 degrees ! Estimated noise=425.158 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000508716 Jy ! Component: 100 - total flux cleaned = -0.00104631 Jy ! Component: 150 - total flux cleaned = -0.00146014 Jy ! Component: 200 - total flux cleaned = -0.00165382 Jy ! Total flux subtracted in 200 components = -0.00165382 Jy ! Clean residual min=-0.002183 max=0.002113 Jy/beam ! Clean residual mean=-0.000002 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.462602 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 54 components and 0.462601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177702Jy sigma=0.001203 ! Fit after self-cal, rms=0.178207Jy sigma=0.001203 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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 = -0.000184492 Jy ! Component: 100 - total flux cleaned = -0.000582752 Jy ! Component: 150 - total flux cleaned = -0.00066633 Jy ! Component: 200 - total flux cleaned = -0.000742848 Jy ! Total flux subtracted in 200 components = -0.000742848 Jy ! Clean residual min=-0.002140 max=0.001978 Jy/beam ! Clean residual mean=0.000002 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.461859 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 58 components and 0.461859 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178182Jy sigma=0.001203 ! Fit after self-cal, rms=0.178176Jy sigma=0.001203 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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=0.178176Jy sigma=0.001203 ! Fit after self-cal, rms=0.177933Jy sigma=0.001202 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5896 mas, bmaj=0.9578 mas, bpa=-2.063 degrees ! Estimated noise=424.859 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000707419 Jy ! Component: 100 - total flux cleaned = -0.000884566 Jy ! Component: 150 - total flux cleaned = -0.00102397 Jy ! Component: 200 - total flux cleaned = -0.00108692 Jy ! Total flux subtracted in 200 components = -0.00108692 Jy ! Clean residual min=-0.002176 max=0.001915 Jy/beam ! Clean residual mean=-0.000011 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.460772 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.460772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177915Jy sigma=0.001202 ! Fit after self-cal, rms=0.177830Jy sigma=0.001202 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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 = -0.000122919 Jy ! Component: 100 - total flux cleaned = -0.000187202 Jy ! Component: 150 - total flux cleaned = -0.000216248 Jy ! Component: 200 - total flux cleaned = -0.000296654 Jy ! Total flux subtracted in 200 components = -0.000296654 Jy ! Clean residual min=-0.002174 max=0.001876 Jy/beam ! Clean residual mean=-0.000010 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.460475 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 67 components and 0.460475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177819Jy sigma=0.001202 ! Fit after self-cal, rms=0.177816Jy sigma=0.001202 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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=0.177816Jy sigma=0.001202 ! Fit after self-cal, rms=0.177844Jy sigma=0.001202 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=2.423 mas, bmaj=2.664 mas, bpa=48.61 degrees ! Estimated noise=648.227 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.001154 Jy ! Component: 100 - total flux cleaned = -0.00123691 Jy ! Component: 150 - total flux cleaned = -0.00123715 Jy ! Component: 200 - total flux cleaned = -0.00125572 Jy ! Total flux subtracted in 200 components = -0.00125572 Jy ! Clean residual min=-0.002080 max=0.002325 Jy/beam ! Clean residual mean=-0.000017 rms=0.000679 Jy/beam ! Combined flux in latest and established models = 0.459219 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 72 components and 0.459219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177844Jy sigma=0.001202 ! Fit after self-cal, rms=0.177839Jy sigma=0.001202 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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 = -0.000277717 Jy ! Component: 100 - total flux cleaned = -0.00029322 Jy ! Component: 150 - total flux cleaned = -0.000323765 Jy ! Component: 200 - total flux cleaned = -0.00035288 Jy ! Total flux subtracted in 200 components = -0.00035288 Jy ! Clean residual min=-0.002046 max=0.002357 Jy/beam ! Clean residual mean=-0.000010 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.458866 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 73 components and 0.458866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177841Jy sigma=0.001202 ! Fit after self-cal, rms=0.177845Jy sigma=0.001202 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5897 mas, bmaj=0.958 mas, bpa=-2.071 degrees ! Estimated noise=424.689 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5897 x 0.958 at -2.071 degrees (North through East) ! Clean map min=-0.0018942 max=0.40758 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 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 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.4755 mas, bmaj=0.8169 mas, bpa=-5.636 degrees ! Estimated noise=868.986 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.311351 Jy ! Component: 100 - total flux cleaned = 0.380878 Jy ! Component: 150 - total flux cleaned = 0.409136 Jy ! Component: 200 - total flux cleaned = 0.425571 Jy ! Total flux subtracted in 200 components = 0.425571 Jy ! Clean residual min=-0.004878 max=0.008405 Jy/beam ! Clean residual mean=0.000041 rms=0.001201 Jy/beam ! Combined flux in latest and established models = 0.425571 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.425571 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5897 mas, bmaj=0.958 mas, bpa=-2.071 degrees ! Estimated noise=424.689 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 = 0.0146167 Jy ! Component: 100 - total flux cleaned = 0.0224081 Jy ! Component: 150 - total flux cleaned = 0.0268389 Jy ! Component: 200 - total flux cleaned = 0.0296187 Jy ! Total flux subtracted in 200 components = 0.0296187 Jy ! Clean residual min=-0.002346 max=0.002078 Jy/beam ! Clean residual mean=0.000075 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.45519 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 31 components and 0.45519 Jy ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 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 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=2.423 mas, bmaj=2.664 mas, bpa=48.61 degrees ! Estimated noise=648.227 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0027844 Jy ! Component: 100 - total flux cleaned = 0.00300741 Jy ! Component: 150 - total flux cleaned = 0.00317907 Jy ! Component: 200 - total flux cleaned = 0.00331523 Jy ! Total flux subtracted in 200 components = 0.00331523 Jy ! Clean residual min=-0.002093 max=0.002335 Jy/beam ! Clean residual mean=0.000005 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.458505 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 = 8.90287e-05 Jy ! Component: 100 - total flux cleaned = 0.000126791 Jy ! Component: 150 - total flux cleaned = 0.000127023 Jy ! Component: 200 - total flux cleaned = 0.000126424 Jy ! Total flux subtracted in 200 components = 0.000126424 Jy ! Clean residual min=-0.002069 max=0.002336 Jy/beam ! Clean residual mean=-0.000004 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.458631 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 44 components and 0.458631 Jy ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! Estimated beam: bmin=0.5897 mas, bmaj=0.958 mas, bpa=-2.071 degrees ! Estimated noise=424.689 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000427162 Jy ! Component: 100 - total flux cleaned = -0.000173304 Jy ! Component: 150 - total flux cleaned = -6.37179e-05 Jy ! Component: 200 - total flux cleaned = 3.31781e-05 Jy ! Total flux subtracted in 200 components = 3.31781e-05 Jy ! Clean residual min=-0.002317 max=0.001869 Jy/beam ! Clean residual mean=0.000001 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.458664 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 53 components and 0.458664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177888Jy sigma=0.001202 ! Fit after self-cal, rms=0.177806Jy sigma=0.001202 wmodel J1521+4336_X_2009_04_21_pus_map.mod ! Writing 53 model components to file: J1521+4336_X_2009_04_21_pus_map.mod wobs J1521+4336_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1521+4336_X_2009_04_21_pus_uvs.fits wwins J1521+4336_X_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J1521+4336_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 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000599375 Jy ! Component: 100 - total flux cleaned = -0.000633953 Jy ! Component: 150 - total flux cleaned = -0.000601277 Jy ! Component: 200 - total flux cleaned = -0.000537745 Jy ! Component: 250 - total flux cleaned = -0.000351145 Jy ! Component: 300 - total flux cleaned = -0.000198651 Jy ! Component: 350 - total flux cleaned = -7.82338e-05 Jy ! Component: 400 - total flux cleaned = 0.000128814 Jy ! Component: 450 - total flux cleaned = 0.000245452 Jy ! Component: 500 - total flux cleaned = 0.000388896 Jy ! Component: 550 - total flux cleaned = 0.000502161 Jy ! Component: 600 - total flux cleaned = 0.000613894 Jy ! Component: 650 - total flux cleaned = 0.000724167 Jy ! Component: 700 - total flux cleaned = 0.000751587 Jy ! Component: 750 - total flux cleaned = 0.000832946 Jy ! Component: 800 - total flux cleaned = 0.000966712 Jy ! Component: 850 - total flux cleaned = 0.00101941 Jy ! Component: 900 - total flux cleaned = 0.00104567 Jy ! Component: 950 - total flux cleaned = 0.00112356 Jy ! Component: 1000 - total flux cleaned = 0.00112358 Jy ! Component: 1050 - total flux cleaned = 0.0011493 Jy ! Component: 1100 - total flux cleaned = 0.00120006 Jy ! Component: 1150 - total flux cleaned = 0.00125026 Jy ! Component: 1200 - total flux cleaned = 0.00125027 Jy ! Component: 1250 - total flux cleaned = 0.00127499 Jy ! Component: 1300 - total flux cleaned = 0.00129942 Jy ! Component: 1350 - total flux cleaned = 0.00129939 Jy ! Component: 1400 - total flux cleaned = 0.0013719 Jy ! Component: 1450 - total flux cleaned = 0.00137196 Jy ! Component: 1500 - total flux cleaned = 0.00139583 Jy ! Component: 1550 - total flux cleaned = 0.00146677 Jy ! Component: 1600 - total flux cleaned = 0.0014668 Jy ! Component: 1650 - total flux cleaned = 0.00149016 Jy ! Component: 1700 - total flux cleaned = 0.00153652 Jy ! Component: 1750 - total flux cleaned = 0.00153649 Jy ! Component: 1800 - total flux cleaned = 0.00155943 Jy ! Component: 1850 - total flux cleaned = 0.0015594 Jy ! Component: 1900 - total flux cleaned = 0.00155945 Jy ! Component: 1950 - total flux cleaned = 0.00158182 Jy ! Component: 2000 - total flux cleaned = 0.00160424 Jy ! Total flux subtracted in 2048 components = 0.00155978 Jy ! Clean residual min=-0.001420 max=0.001113 Jy/beam ! Clean residual mean=-0.000002 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.460224 Jy keep ! Adding 178 model components to the UV plane model. ! The established model now contains 231 components and 0.460224 Jy ![Exited script file: muppet] wmap "J1521+4336_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5897 x 0.958 at -2.071 degrees (North through East) ! Clean map min=-0.0015284 max=0.40744 Jy/beam ! Writing clean map to FITS file: J1521+4336_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 0.407439 invert ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.16 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000396022 device "J1521+4336_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1521+4336_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.291593 0.291593 0.583186 1.16637 2.33274 4.66549 9.33097 18.6619 37.3239 74.6478 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.407 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5897 x 0.958 at -2.071 degrees (North through East) ! Clean map min=-0.0015284 max=0.40744 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1521+4336_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1521+4336_X_2009_04_21_pus_map.gif/vgif' mapplot cln