! Started logfile: J1925+2106_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:19:35 2010 obs J1925+2106_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1925+2106_X_2008_07_09_pus_uva.fits ! AN table 1: 147 integrations on 105 of 105 possible baselines. ! AN table 2: 127 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.312617 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1925+2106 ! ! 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 1142 lines of history. ! ! Reading 35976 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 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 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.930053Jy sigma=0.007377 ! Fit after self-cal, rms=0.612851Jy sigma=0.005229 ! 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 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5485 mas, bmaj=1.052 mas, bpa=-15.04 degrees ! Estimated noise=987.763 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 = 0.715539 Jy ! Component: 100 - total flux cleaned = 0.955583 Jy ! Total flux subtracted in 100 components = 0.955583 Jy ! Clean residual min=-0.064523 max=0.282786 Jy/beam ! Clean residual mean=-0.000843 rms=0.026751 Jy/beam ! Combined flux in latest and established models = 0.955583 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.955583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.562604Jy sigma=0.005009 ! Fit after self-cal, rms=0.560606Jy sigma=0.005004 ! Inverting map ! Your choice of large map pixels excluded 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Added new window around map position (-1.2, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.249319 Jy ! Component: 100 - total flux cleaned = 0.401245 Jy ! Total flux subtracted in 100 components = 0.401245 Jy ! Clean residual min=-0.050872 max=0.112962 Jy/beam ! Clean residual mean=-0.000430 rms=0.017464 Jy/beam ! Combined flux in latest and established models = 1.35683 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 1.35683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.392460Jy sigma=0.003366 ! Fit after self-cal, rms=0.377619Jy sigma=0.003271 ! Inverting map ! Your choice of large map pixels excluded 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137086 Jy ! Component: 100 - total flux cleaned = 0.232941 Jy ! Total flux subtracted in 100 components = 0.232941 Jy ! Clean residual min=-0.029988 max=0.056870 Jy/beam ! Clean residual mean=-0.000168 rms=0.011163 Jy/beam ! Combined flux in latest and established models = 1.58977 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 1.58977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298808Jy sigma=0.002418 ! Fit after self-cal, rms=0.295294Jy sigma=0.002396 ! Inverting map ! Your choice of large map pixels excluded 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0834505 Jy ! Component: 100 - total flux cleaned = 0.145752 Jy ! Total flux subtracted in 100 components = 0.145752 Jy ! Clean residual min=-0.022099 max=0.037637 Jy/beam ! Clean residual mean=-0.000004 rms=0.007982 Jy/beam ! Combined flux in latest and established models = 1.73552 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 32 components and 1.73552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254819Jy sigma=0.001932 ! Fit after self-cal, rms=0.253545Jy sigma=0.001923 ! Inverting map ! Your choice of large map pixels excluded 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5809 mas, bmaj=1.428 mas, bpa=-18.6 degrees ! Estimated noise=508.043 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 = 0.0931778 Jy ! Component: 100 - total flux cleaned = 0.149551 Jy ! Component: 150 - total flux cleaned = 0.186762 Jy ! Component: 200 - total flux cleaned = 0.211811 Jy ! Total flux subtracted in 200 components = 0.211811 Jy ! Clean residual min=-0.020147 max=0.028176 Jy/beam ! Clean residual mean=0.001306 rms=0.006326 Jy/beam ! Combined flux in latest and established models = 1.94733 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 38 components and 1.94733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223210Jy sigma=0.001484 ! Fit after self-cal, rms=0.221497Jy sigma=0.001470 ! Inverting map ! Your choice of large map pixels excluded 5.52% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HH 1.00* HN 1.12 ! KK 1.08 KP 1.04 LA 0.95 MK 1.00 ! NL 0.95 NY 1.00 ON 1.13 PT 0.96 ! SC 0.95 WZ 1.05 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.06 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.29 NY 1.00 ON 1.02 PT 1.00* ! SC 1.02 WZ 0.98 ZC 0.98 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HH 1.00* HN 1.02 ! KK 1.07 KP 0.99 LA 0.94 MK 0.99 ! NL 0.94 NY 1.02 ON 1.11 PT 0.96 ! SC 0.95 WZ 1.05 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.98 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.27 NY 1.03 ON 0.99 PT 1.00* ! SC 1.00 WZ 0.98 ZC 0.97 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HH 1.00* HN 1.04 ! KK 1.06 KP 1.02 LA 0.97 MK 1.00 ! NL 0.98 NY 1.00 ON 1.07 PT 0.96 ! SC 0.97 WZ 1.05 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.96 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.34 NY 1.01 ON 0.99 PT 1.00* ! SC 1.04 WZ 0.98 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HH 1.00* HN 1.04 ! KK 1.04 KP 1.02 LA 0.96 MK 1.01 ! NL 0.98 NY 1.03 ON 1.12 PT 1.00 ! SC 0.96 WZ 1.02 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.94 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.35 NY 1.07 ON 1.00 PT 1.00* ! SC 1.03 WZ 0.98 ZC 1.01 ! ! ! Fit before self-cal, rms=0.221497Jy sigma=0.001470 ! Fit after self-cal, rms=0.212004Jy sigma=0.001300 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5879 mas, bmaj=1.432 mas, bpa=-18.63 degrees ! Estimated noise=509.622 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 = -0.000358678 Jy ! Component: 100 - total flux cleaned = -0.00116791 Jy ! Component: 150 - total flux cleaned = -0.000942387 Jy ! Component: 200 - total flux cleaned = -0.000718456 Jy ! Total flux subtracted in 200 components = -0.000718456 Jy ! Clean residual min=-0.010002 max=0.012726 Jy/beam ! Clean residual mean=-0.000133 rms=0.002746 Jy/beam ! Combined flux in latest and established models = 1.94661 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 47 components and 1.94661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210916Jy sigma=0.001291 ! Fit after self-cal, rms=0.211032Jy sigma=0.001289 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.211032Jy sigma=0.001289 ! Fit after self-cal, rms=0.211122Jy sigma=0.001285 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5891 mas, bmaj=1.431 mas, bpa=-18.65 degrees ! Estimated noise=509.704 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0022024 Jy ! Component: 100 - total flux cleaned = -0.00155796 Jy ! Component: 150 - total flux cleaned = -0.00117564 Jy ! Component: 200 - total flux cleaned = -0.000998929 Jy ! Total flux subtracted in 200 components = -0.000998929 Jy ! Clean residual min=-0.008210 max=0.011265 Jy/beam ! Clean residual mean=-0.000093 rms=0.002542 Jy/beam ! Combined flux in latest and established models = 1.94561 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 50 components and 1.94561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210625Jy sigma=0.001281 ! Fit after self-cal, rms=0.210554Jy sigma=0.001281 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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) ! Added new window around map position (-6.2, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117917 Jy ! Component: 100 - total flux cleaned = 0.0184447 Jy ! Component: 150 - total flux cleaned = 0.0219914 Jy ! Component: 200 - total flux cleaned = 0.0242359 Jy ! Total flux subtracted in 200 components = 0.0242359 Jy ! Clean residual min=-0.006495 max=0.006332 Jy/beam ! Clean residual mean=-0.000148 rms=0.001764 Jy/beam ! Combined flux in latest and established models = 1.96985 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 72 components and 1.96985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209910Jy sigma=0.001272 ! Fit after self-cal, rms=0.209849Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.209849Jy sigma=0.001272 ! Fit after self-cal, rms=0.209785Jy sigma=0.001271 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5895 mas, bmaj=1.432 mas, bpa=-18.72 degrees ! Estimated noise=509.667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00326917 Jy ! Component: 100 - total flux cleaned = 0.0058388 Jy ! Component: 150 - total flux cleaned = 0.00718945 Jy ! Component: 200 - total flux cleaned = 0.00840831 Jy ! Total flux subtracted in 200 components = 0.00840831 Jy ! Clean residual min=-0.005459 max=0.006593 Jy/beam ! Clean residual mean=-0.000124 rms=0.001534 Jy/beam ! Combined flux in latest and established models = 1.97826 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 79 components and 1.97826 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209495Jy sigma=0.001268 ! Fit after self-cal, rms=0.209455Jy sigma=0.001267 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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) ! Added new window around map position (-4.6, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00471144 Jy ! Component: 100 - total flux cleaned = 0.00630321 Jy ! Component: 150 - total flux cleaned = 0.00669912 Jy ! Component: 200 - total flux cleaned = 0.00719518 Jy ! Total flux subtracted in 200 components = 0.00719518 Jy ! Clean residual min=-0.005202 max=0.005002 Jy/beam ! Clean residual mean=-0.000143 rms=0.001368 Jy/beam ! Combined flux in latest and established models = 1.98545 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 91 components and 1.98545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209252Jy sigma=0.001265 ! Fit after self-cal, rms=0.209216Jy sigma=0.001265 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.209216Jy sigma=0.001265 ! Fit after self-cal, rms=0.209344Jy sigma=0.001264 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=2.164 mas, bmaj=2.589 mas, bpa=10.15 degrees ! Estimated noise=736.733 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00883565 Jy ! Component: 100 - total flux cleaned = 0.0128134 Jy ! Component: 150 - total flux cleaned = 0.0145404 Jy ! Component: 200 - total flux cleaned = 0.0150253 Jy ! Total flux subtracted in 200 components = 0.0150253 Jy ! Clean residual min=-0.006125 max=0.008752 Jy/beam ! Clean residual mean=-0.000516 rms=0.002310 Jy/beam ! Combined flux in latest and established models = 2.00048 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 109 components and 2.00048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209262Jy sigma=0.001263 ! Fit after self-cal, rms=0.209232Jy sigma=0.001263 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 = 0.00165942 Jy ! Component: 100 - total flux cleaned = 0.00222119 Jy ! Component: 150 - total flux cleaned = 0.00269579 Jy ! Component: 200 - total flux cleaned = 0.002926 Jy ! Total flux subtracted in 200 components = 0.002926 Jy ! Clean residual min=-0.006750 max=0.008384 Jy/beam ! Clean residual mean=-0.000534 rms=0.002355 Jy/beam ! Combined flux in latest and established models = 2.0034 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 114 components and 2.0034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209171Jy sigma=0.001263 ! Fit after self-cal, rms=0.209151Jy sigma=0.001263 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5895 mas, bmaj=1.432 mas, bpa=-18.77 degrees ! Estimated noise=509.774 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5895 x 1.432 at -18.77 degrees (North through East) ! Clean map min=-0.0039883 max=0.95807 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=0.209151Jy sigma=0.001263 ! Fit after self-cal, rms=0.203653Jy sigma=0.001141 ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5891 mas, bmaj=1.433 mas, bpa=-18.78 degrees ! Estimated noise=509.89 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121226 Jy ! Component: 100 - total flux cleaned = 0.0026695 Jy ! Component: 150 - total flux cleaned = 0.00334177 Jy ! Component: 200 - total flux cleaned = 0.00384793 Jy ! Total flux subtracted in 200 components = 0.00384793 Jy ! Clean residual min=-0.003835 max=0.004255 Jy/beam ! Clean residual mean=-0.000135 rms=0.001099 Jy/beam ! Combined flux in latest and established models = 2.00725 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 122 components and 2.00725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203462Jy sigma=0.001140 ! Fit after self-cal, rms=0.203571Jy sigma=0.001140 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Added new window around map position (-2, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151798 Jy ! Component: 100 - total flux cleaned = 0.00174742 Jy ! Component: 150 - total flux cleaned = 0.00164165 Jy ! Component: 200 - total flux cleaned = 0.00172664 Jy ! Total flux subtracted in 200 components = 0.00172664 Jy ! Clean residual min=-0.003634 max=0.003629 Jy/beam ! Clean residual mean=-0.000139 rms=0.001058 Jy/beam ! Combined flux in latest and established models = 2.00898 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 132 components and 2.00898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203542Jy sigma=0.001139 ! Fit after self-cal, rms=0.203526Jy sigma=0.001139 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203526Jy sigma=0.001139 ! Fit after self-cal, rms=0.204456Jy sigma=0.001139 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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5554 mas, bmaj=1.054 mas, bpa=-15.36 degrees ! Estimated noise=995.525 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.730712 Jy ! Component: 100 - total flux cleaned = 1.04537 Jy ! Component: 150 - total flux cleaned = 1.26039 Jy ! Component: 200 - total flux cleaned = 1.41341 Jy ! Total flux subtracted in 200 components = 1.41341 Jy ! Clean residual min=-0.030558 max=0.086454 Jy/beam ! Clean residual mean=-0.000506 rms=0.013157 Jy/beam ! Combined flux in latest and established models = 1.41341 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 1.41341 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5889 mas, bmaj=1.433 mas, bpa=-18.82 degrees ! Estimated noise=509.939 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 = 0.192224 Jy ! Component: 100 - total flux cleaned = 0.311452 Jy ! Component: 150 - total flux cleaned = 0.387585 Jy ! Component: 200 - total flux cleaned = 0.437349 Jy ! Total flux subtracted in 200 components = 0.437349 Jy ! Clean residual min=-0.013024 max=0.027256 Jy/beam ! Clean residual mean=0.000089 rms=0.006595 Jy/beam ! Combined flux in latest and established models = 1.85076 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 27 components and 1.85076 Jy ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=2.164 mas, bmaj=2.586 mas, bpa=10.1 degrees ! Estimated noise=738.012 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0698612 Jy ! Component: 100 - total flux cleaned = 0.103887 Jy ! Component: 150 - total flux cleaned = 0.124315 Jy ! Component: 200 - total flux cleaned = 0.137697 Jy ! Total flux subtracted in 200 components = 0.137697 Jy ! Clean residual min=-0.007866 max=0.011424 Jy/beam ! Clean residual mean=-0.000341 rms=0.003850 Jy/beam ! Combined flux in latest and established models = 1.98846 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00902479 Jy ! Component: 100 - total flux cleaned = 0.0152486 Jy ! Component: 150 - total flux cleaned = 0.0195962 Jy ! Component: 200 - total flux cleaned = 0.021788 Jy ! Total flux subtracted in 200 components = 0.021788 Jy ! Clean residual min=-0.006284 max=0.007808 Jy/beam ! Clean residual mean=-0.000478 rms=0.002416 Jy/beam ! Combined flux in latest and established models = 2.01024 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 106 components and 2.01025 Jy ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.5889 mas, bmaj=1.433 mas, bpa=-18.82 degrees ! Estimated noise=509.939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000761406 Jy ! Component: 100 - total flux cleaned = 0.000254286 Jy ! Component: 150 - total flux cleaned = 0.000703344 Jy ! Component: 200 - total flux cleaned = 0.00130911 Jy ! Total flux subtracted in 200 components = 0.00130911 Jy ! Clean residual min=-0.005236 max=0.004803 Jy/beam ! Clean residual mean=-0.000132 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 2.01155 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 116 components and 2.01155 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208485Jy sigma=0.001165 ! Fit after self-cal, rms=0.208194Jy sigma=0.001163 wmodel J1925+2106_X_2008_07_09_pus_map.mod ! Writing 116 model components to file: J1925+2106_X_2008_07_09_pus_map.mod wobs J1925+2106_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1925+2106_X_2008_07_09_pus_uvs.fits wwins J1925+2106_X_2008_07_09_pus_map.win ! wwins: Wrote 5 windows to J1925+2106_X_2008_07_09_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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000703293 Jy ! Component: 100 - total flux cleaned = 0.00141948 Jy ! Component: 150 - total flux cleaned = 0.00215887 Jy ! Component: 200 - total flux cleaned = 0.00271128 Jy ! Component: 250 - total flux cleaned = 0.00303704 Jy ! Component: 300 - total flux cleaned = 0.00341151 Jy ! Component: 350 - total flux cleaned = 0.00377394 Jy ! Component: 400 - total flux cleaned = 0.00400857 Jy ! Component: 450 - total flux cleaned = 0.00423713 Jy ! Component: 500 - total flux cleaned = 0.00446064 Jy ! Component: 550 - total flux cleaned = 0.00467929 Jy ! Component: 600 - total flux cleaned = 0.00484029 Jy ! Component: 650 - total flux cleaned = 0.00494602 Jy ! Component: 700 - total flux cleaned = 0.0048963 Jy ! Component: 750 - total flux cleaned = 0.00499868 Jy ! Component: 800 - total flux cleaned = 0.00509813 Jy ! Component: 850 - total flux cleaned = 0.00499976 Jy ! Component: 900 - total flux cleaned = 0.00490342 Jy ! Component: 950 - total flux cleaned = 0.00499939 Jy ! Component: 1000 - total flux cleaned = 0.00485741 Jy ! Total flux subtracted in 1024 components = 0.00481054 Jy ! Clean residual min=-0.002536 max=0.002330 Jy/beam ! Clean residual mean=-0.000114 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 2.01637 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 167 components and 2.01637 Jy wmap "J1925+2106_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5889 x 1.433 at -18.82 degrees (North through East) ! Clean map min=-0.0042211 max=0.9605 Jy/beam ! Writing clean map to FITS file: J1925+2106_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.9605 invert ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000869777 device "J1925+2106_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1925+2106_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.271664 0.271664 0.543328 1.08666 2.17331 4.34662 8.69325 17.3865 34.773 69.546 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.96 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5889 x 1.433 at -18.82 degrees (North through East) ! Clean map min=-0.0042211 max=0.9605 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1925+2106_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1925+2106_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1925+2106_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:19:41 2010