! Started logfile: J2000-1748_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:32:54 2010 obs J2000-1748_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2000-1748_X_2008_07_09_pus_uva.fits ! AN table 1: 29 integrations on 105 of 105 possible baselines. ! AN table 2: 32 integrations on 105 of 105 possible baselines. ! AN table 3: 17 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.140293 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2000-1748 ! ! 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 1146 lines of history. ! ! Reading 4596 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 395 telescope corrections were flagged in sub-array 1. ! A total of 356 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 391 telescope corrections were flagged in sub-array 1. ! A total of 356 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 392 telescope corrections were flagged in sub-array 1. ! A total of 356 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 395 telescope corrections were flagged in sub-array 1. ! A total of 356 telescope corrections were flagged in sub-array 2. ! A total of 131 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.848390Jy sigma=0.007363 ! Fit after self-cal, rms=0.825118Jy sigma=0.007263 ! 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 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5899 mas, bmaj=1.72 mas, bpa=-13.86 degrees ! Estimated noise=2064.83 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 = 1.35987 Jy ! Component: 100 - total flux cleaned = 1.67152 Jy ! Total flux subtracted in 100 components = 1.67153 Jy ! Clean residual min=-0.038770 max=0.116618 Jy/beam ! Clean residual mean=0.000621 rms=0.014283 Jy/beam ! Combined flux in latest and established models = 1.67153 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.67152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276134Jy sigma=0.002291 ! Fit after self-cal, rms=0.276296Jy sigma=0.002290 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.12094 Jy ! Component: 100 - total flux cleaned = 0.179849 Jy ! Total flux subtracted in 100 components = 0.179849 Jy ! Clean residual min=-0.026426 max=0.028002 Jy/beam ! Clean residual mean=-0.000040 rms=0.006368 Jy/beam ! Combined flux in latest and established models = 1.85137 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 1.85137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211059Jy sigma=0.001581 ! Fit after self-cal, rms=0.211173Jy sigma=0.001579 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7496 mas, bmaj=2.066 mas, bpa=-14.22 degrees ! Estimated noise=1310.1 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0441404 Jy ! Component: 100 - total flux cleaned = 0.063705 Jy ! Component: 150 - total flux cleaned = 0.073738 Jy ! Component: 200 - total flux cleaned = 0.0790166 Jy ! Total flux subtracted in 200 components = 0.0790166 Jy ! Clean residual min=-0.021439 max=0.016415 Jy/beam ! Clean residual mean=-0.000789 rms=0.004533 Jy/beam ! Combined flux in latest and established models = 1.93039 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 19 components and 1.93039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204558Jy sigma=0.001485 ! Fit after self-cal, rms=0.204624Jy sigma=0.001484 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.09 PT 1.00* ! SC 0.99 WZ 1.05 ZC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.01 HH 1.00* HN 1.08 ! KK 1.00* KP 1.04 LA 1.00 MK 1.01 ! NL 0.97 NY 1.00* ON 1.00* PT 1.02 ! SC 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 1.00 HH 1.00* HN 1.06 ! KK 1.03 KP 1.02 LA 1.00 MK 0.96 ! NL 0.97 NY 1.00* ON 1.00* PT 1.02 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.17 PT 1.00* ! SC 1.00 WZ 1.05 ZC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.00 HH 1.00* HN 1.00 ! KK 1.00* KP 0.97 LA 0.98 MK 0.99 ! NL 0.95 NY 1.00* ON 1.00* PT 1.02 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 HH 1.00* HN 0.95 ! KK 1.04 KP 0.97 LA 0.98 MK 0.98 ! NL 0.96 NY 1.00* ON 1.00* PT 1.03 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.07 PT 1.00* ! SC 1.04 WZ 1.05 ZC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HH 1.00* HN 0.98 ! KK 1.00* KP 1.01 LA 1.01 MK 1.02 ! NL 0.99 NY 1.00* ON 1.00* PT 1.02 ! SC 1.02 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 HH 1.00* HN 0.96 ! KK 1.02 KP 0.99 LA 1.00 MK 0.99 ! NL 0.99 NY 1.00* ON 1.00* PT 1.03 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.12 PT 1.00* ! SC 1.06 WZ 1.02 ZC 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 HH 1.00* HN 0.99 ! KK 1.00* KP 1.00 LA 1.00 MK 1.05 ! NL 0.99 NY 1.00* ON 1.00* PT 1.05 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.99 HH 1.00* HN 0.96 ! KK 1.02 KP 1.00 LA 1.00 MK 1.01 ! NL 0.99 NY 1.00* ON 1.00* PT 1.05 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.204624Jy sigma=0.001484 ! Fit after self-cal, rms=0.190223Jy sigma=0.001352 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7511 mas, bmaj=2.064 mas, bpa=-14.14 degrees ! Estimated noise=1310.87 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 = -0.00324733 Jy ! Component: 100 - total flux cleaned = -0.00338518 Jy ! Component: 150 - total flux cleaned = -0.00308233 Jy ! Component: 200 - total flux cleaned = -0.00282161 Jy ! Total flux subtracted in 200 components = -0.00282161 Jy ! Clean residual min=-0.007340 max=0.005411 Jy/beam ! Clean residual mean=-0.000351 rms=0.001669 Jy/beam ! Combined flux in latest and established models = 1.92757 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 27 components and 1.92757 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190061Jy sigma=0.001351 ! Fit after self-cal, rms=0.190129Jy sigma=0.001350 ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.190129Jy sigma=0.001350 ! Fit after self-cal, rms=0.190139Jy sigma=0.001350 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7517 mas, bmaj=2.065 mas, bpa=-14.13 degrees ! Estimated noise=1310.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00286376 Jy ! Component: 100 - total flux cleaned = -0.00313041 Jy ! Component: 150 - total flux cleaned = -0.0029917 Jy ! Component: 200 - total flux cleaned = -0.00286388 Jy ! Total flux subtracted in 200 components = -0.00286388 Jy ! Clean residual min=-0.006933 max=0.005083 Jy/beam ! Clean residual mean=-0.000309 rms=0.001625 Jy/beam ! Combined flux in latest and established models = 1.92471 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 1.92471 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190040Jy sigma=0.001350 ! Fit after self-cal, rms=0.190044Jy sigma=0.001350 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.000232963 Jy ! Component: 100 - total flux cleaned = 0.000235583 Jy ! Component: 150 - total flux cleaned = 0.000237007 Jy ! Component: 200 - total flux cleaned = 0.000286885 Jy ! Total flux subtracted in 200 components = 0.000286885 Jy ! Clean residual min=-0.006633 max=0.004928 Jy/beam ! Clean residual mean=-0.000313 rms=0.001607 Jy/beam ! Combined flux in latest and established models = 1.92499 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 33 components and 1.92499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190003Jy sigma=0.001349 ! Fit after self-cal, rms=0.190004Jy sigma=0.001349 ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.190004Jy sigma=0.001349 ! Fit after self-cal, rms=0.189987Jy sigma=0.001349 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7522 mas, bmaj=2.066 mas, bpa=-14.11 degrees ! Estimated noise=1309.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00264371 Jy ! Component: 100 - total flux cleaned = -0.00302129 Jy ! Component: 150 - total flux cleaned = -0.00302517 Jy ! Component: 200 - total flux cleaned = -0.0030732 Jy ! Total flux subtracted in 200 components = -0.0030732 Jy ! Clean residual min=-0.006367 max=0.004720 Jy/beam ! Clean residual mean=-0.000275 rms=0.001581 Jy/beam ! Combined flux in latest and established models = 1.92192 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 35 components and 1.92192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189914Jy sigma=0.001349 ! Fit after self-cal, rms=0.189917Jy sigma=0.001349 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.000116998 Jy ! Component: 100 - total flux cleaned = 0.000162985 Jy ! Component: 150 - total flux cleaned = 0.000121856 Jy ! Component: 200 - total flux cleaned = 0.00016014 Jy ! Total flux subtracted in 200 components = 0.00016014 Jy ! Clean residual min=-0.006155 max=0.004590 Jy/beam ! Clean residual mean=-0.000277 rms=0.001571 Jy/beam ! Combined flux in latest and established models = 1.92208 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 37 components and 1.92208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189894Jy sigma=0.001349 ! Fit after self-cal, rms=0.189895Jy sigma=0.001349 ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.189895Jy sigma=0.001349 ! Fit after self-cal, rms=0.189828Jy sigma=0.001349 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=2.091 mas, bmaj=3.997 mas, bpa=-7.964 degrees ! Estimated noise=1741.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00347382 Jy ! Component: 100 - total flux cleaned = -0.00375968 Jy ! Component: 150 - total flux cleaned = -0.00390958 Jy ! Component: 200 - total flux cleaned = -0.00402068 Jy ! Total flux subtracted in 200 components = -0.00402068 Jy ! Clean residual min=-0.006512 max=0.006616 Jy/beam ! Clean residual mean=-0.000624 rms=0.002242 Jy/beam ! Combined flux in latest and established models = 1.91806 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 44 components and 1.91806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189831Jy sigma=0.001349 ! Fit after self-cal, rms=0.189828Jy sigma=0.001349 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 1.79094e-06 Jy ! Component: 100 - total flux cleaned = -8.37609e-05 Jy ! Component: 150 - total flux cleaned = -0.000148848 Jy ! Component: 200 - total flux cleaned = -0.000218403 Jy ! Total flux subtracted in 200 components = -0.000218403 Jy ! Clean residual min=-0.006532 max=0.006563 Jy/beam ! Clean residual mean=-0.000618 rms=0.002228 Jy/beam ! Combined flux in latest and established models = 1.91784 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 44 components and 1.91784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189849Jy sigma=0.001349 ! Fit after self-cal, rms=0.189846Jy sigma=0.001349 ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7526 mas, bmaj=2.066 mas, bpa=-14.1 degrees ! Estimated noise=1307.93 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7526 x 2.066 at -14.1 degrees (North through East) ! Clean map min=-0.0054004 max=1.7878 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=0.189846Jy sigma=0.001349 ! Fit after self-cal, rms=0.227579Jy sigma=0.001122 ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.753 mas, bmaj=2.069 mas, bpa=-14.13 degrees ! Estimated noise=1308.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00131078 Jy ! Component: 100 - total flux cleaned = -0.00131436 Jy ! Component: 150 - total flux cleaned = -0.00122721 Jy ! Component: 200 - total flux cleaned = -0.00122715 Jy ! Total flux subtracted in 200 components = -0.00122715 Jy ! Clean residual min=-0.005248 max=0.004611 Jy/beam ! Clean residual mean=-0.000143 rms=0.001489 Jy/beam ! Combined flux in latest and established models = 1.91661 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 1.91661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227524Jy sigma=0.001121 ! Fit after self-cal, rms=0.227527Jy sigma=0.001121 ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000125183 Jy ! Component: 100 - total flux cleaned = -8.84302e-05 Jy ! Component: 150 - total flux cleaned = -5.52796e-05 Jy ! Component: 200 - total flux cleaned = -5.58009e-05 Jy ! Total flux subtracted in 200 components = -5.58009e-05 Jy ! Clean residual min=-0.005207 max=0.004654 Jy/beam ! Clean residual mean=-0.000142 rms=0.001483 Jy/beam ! Combined flux in latest and established models = 1.91656 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 48 components and 1.91656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227506Jy sigma=0.001121 ! Fit after self-cal, rms=0.227508Jy sigma=0.001121 ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227508Jy sigma=0.001121 ! Fit after self-cal, rms=0.227427Jy sigma=0.001121 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 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5984 mas, bmaj=1.722 mas, bpa=-13.63 degrees ! Estimated noise=1891.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.36701 Jy ! Component: 100 - total flux cleaned = 1.67454 Jy ! Component: 150 - total flux cleaned = 1.7894 Jy ! Component: 200 - total flux cleaned = 1.84513 Jy ! Total flux subtracted in 200 components = 1.84513 Jy ! Clean residual min=-0.015502 max=0.025720 Jy/beam ! Clean residual mean=0.000205 rms=0.003977 Jy/beam ! Combined flux in latest and established models = 1.84513 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 1.84513 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7534 mas, bmaj=2.069 mas, bpa=-14.12 degrees ! Estimated noise=1308.71 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 = 0.0364559 Jy ! Component: 100 - total flux cleaned = 0.053396 Jy ! Component: 150 - total flux cleaned = 0.0624331 Jy ! Component: 200 - total flux cleaned = 0.0674419 Jy ! Total flux subtracted in 200 components = 0.0674419 Jy ! Clean residual min=-0.006448 max=0.005504 Jy/beam ! Clean residual mean=-0.000083 rms=0.001578 Jy/beam ! Combined flux in latest and established models = 1.91257 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 25 components and 1.91257 Jy ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=2.092 mas, bmaj=4 mas, bpa=-7.99 degrees ! Estimated noise=1739.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00321908 Jy ! Component: 100 - total flux cleaned = 0.00315385 Jy ! Component: 150 - total flux cleaned = 0.00310414 Jy ! Component: 200 - total flux cleaned = 0.00306385 Jy ! Total flux subtracted in 200 components = 0.00306385 Jy ! Clean residual min=-0.005916 max=0.005888 Jy/beam ! Clean residual mean=-0.000324 rms=0.002210 Jy/beam ! Combined flux in latest and established models = 1.91563 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 = -3.4276e-05 Jy ! Component: 100 - total flux cleaned = -6.45579e-05 Jy ! Component: 150 - total flux cleaned = -9.00948e-05 Jy ! Component: 200 - total flux cleaned = -0.000113457 Jy ! Total flux subtracted in 200 components = -0.000113457 Jy ! Clean residual min=-0.005941 max=0.005836 Jy/beam ! Clean residual mean=-0.000320 rms=0.002212 Jy/beam ! Combined flux in latest and established models = 1.91552 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 1.91552 Jy ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.7534 mas, bmaj=2.069 mas, bpa=-14.12 degrees ! Estimated noise=1308.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104033 Jy ! Component: 100 - total flux cleaned = 0.00127963 Jy ! Component: 150 - total flux cleaned = 0.00134727 Jy ! Component: 200 - total flux cleaned = 0.00134847 Jy ! Total flux subtracted in 200 components = 0.00134847 Jy ! Clean residual min=-0.005957 max=0.005140 Jy/beam ! Clean residual mean=-0.000125 rms=0.001519 Jy/beam ! Combined flux in latest and established models = 1.91687 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 1.91687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227917Jy sigma=0.001122 ! Fit after self-cal, rms=0.227869Jy sigma=0.001122 wmodel J2000-1748_X_2008_07_09_pus_map.mod ! Writing 45 model components to file: J2000-1748_X_2008_07_09_pus_map.mod wobs J2000-1748_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2000-1748_X_2008_07_09_pus_uvs.fits wwins J2000-1748_X_2008_07_09_pus_map.win ! wwins: Wrote 1 windows to J2000-1748_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 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00170399 Jy ! Component: 100 - total flux cleaned = -0.00249341 Jy ! Component: 150 - total flux cleaned = -0.00322665 Jy ! Component: 200 - total flux cleaned = -0.00391585 Jy ! Component: 250 - total flux cleaned = -0.00435541 Jy ! Component: 300 - total flux cleaned = -0.00477815 Jy ! Component: 350 - total flux cleaned = -0.00511842 Jy ! Component: 400 - total flux cleaned = -0.00518373 Jy ! Component: 450 - total flux cleaned = -0.00544018 Jy ! Component: 500 - total flux cleaned = -0.00556511 Jy ! Component: 550 - total flux cleaned = -0.00580773 Jy ! Component: 600 - total flux cleaned = -0.00598464 Jy ! Component: 650 - total flux cleaned = -0.00621479 Jy ! Component: 700 - total flux cleaned = -0.00643858 Jy ! Component: 750 - total flux cleaned = -0.00671092 Jy ! Component: 800 - total flux cleaned = -0.00676361 Jy ! Component: 850 - total flux cleaned = -0.00697323 Jy ! Component: 900 - total flux cleaned = -0.00717838 Jy ! Component: 950 - total flux cleaned = -0.00727909 Jy ! Component: 1000 - total flux cleaned = -0.00757561 Jy ! Total flux subtracted in 1024 components = -0.00767287 Jy ! Clean residual min=-0.003188 max=0.002655 Jy/beam ! Clean residual mean=-0.000122 rms=0.000973 Jy/beam ! Combined flux in latest and established models = 1.9092 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 103 components and 1.9092 Jy wmap "J2000-1748_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7534 x 2.069 at -14.12 degrees (North through East) ! Clean map min=-0.00449 max=1.7887 Jy/beam ! Writing clean map to FITS file: J2000-1748_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 1.78871 invert ! Inverting map ! Your choice of large map pixels excluded 0.478% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000974253 device "J2000-1748_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2000-1748_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.1634 0.1634 0.326801 0.653602 1.3072 2.61441 5.22881 10.4576 20.9153 41.8305 83.661 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.788 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7534 x 2.069 at -14.12 degrees (North through East) ! Clean map min=-0.00449 max=1.7887 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2000-1748_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2000-1748_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2000-1748_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:32:55 2010