! Started logfile: J0921-2618_X_2000_03_13_pus_uvs.log on Mon Apr 1 13:29:17 2013 obs J0921-2618_X_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0921-2618_X_2000_03_13_pus_uva.fits ! AN table 1: 87 integrations on 190 of 190 possible baselines. ! AN table 2: 10 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0310364 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! ! 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 2382 lines of history. ! ! Reading 2288 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 J0921-2618_X_2000_03_13_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 1568 telescope corrections were flagged in sub-array 1. ! A total of 200 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1568 telescope corrections were flagged in sub-array 1. ! A total of 200 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1568 telescope corrections were flagged in sub-array 1. ! A total of 200 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1568 telescope corrections were flagged in sub-array 1. ! A total of 200 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.166828Jy sigma=0.003890 ! Fit after self-cal, rms=1.089696Jy sigma=0.002559 ! 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 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.606 mas, bmaj=1.678 mas, bpa=25.52 degrees ! Estimated noise=3915.84 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 = 0.885686 Jy ! Component: 100 - total flux cleaned = 1.1381 Jy ! Total flux subtracted in 100 components = 1.1381 Jy ! Clean residual min=-0.054609 max=0.099115 Jy/beam ! Clean residual mean=0.003302 rms=0.022750 Jy/beam ! Combined flux in latest and established models = 1.1381 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.1381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.054278Jy sigma=0.001883 ! Fit after self-cal, rms=1.058296Jy sigma=0.001877 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.734 mas, bmaj=1.699 mas, bpa=28 degrees ! Estimated noise=3049.99 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 = 0.129843 Jy ! Component: 100 - total flux cleaned = 0.196736 Jy ! Component: 150 - total flux cleaned = 0.235487 Jy ! Component: 200 - total flux cleaned = 0.258858 Jy ! Total flux subtracted in 200 components = 0.258858 Jy ! Clean residual min=-0.030129 max=0.060432 Jy/beam ! Clean residual mean=0.001125 rms=0.011450 Jy/beam ! Combined flux in latest and established models = 1.39696 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 40 components and 1.39696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.045476Jy sigma=0.001437 ! Fit after self-cal, rms=1.046063Jy sigma=0.001435 ! Inverting map ! Your choice of large map pixels excluded 12.1% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GC 1.00* KP 1.02 ! LA 1.00 NL 1.11 OV 1.00* PT 1.02 ! SC 0.95 WF 0.98 HH 1.38 KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GC 1.00* KP 0.98 ! LA 0.95 NL 1.15 OV 1.00* PT 0.96 ! SC 0.98 WF 0.99 HH 1.33 KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* KP 1.01 ! LA 0.96 NL 1.08 OV 1.00* PT 0.99 ! SC 0.98 WF 1.01 HH 1.45 KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* KP 0.99 ! LA 0.99 NL 1.10 OV 1.00* PT 1.01 ! SC 1.05 WF 1.00 HH 1.52 KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=1.046063Jy sigma=0.001435 ! Fit after self-cal, rms=1.229485Jy sigma=0.001296 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.9341 mas, bmaj=1.673 mas, bpa=27.4 degrees ! Estimated noise=3415.39 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 = 0.00362281 Jy ! Component: 100 - total flux cleaned = 0.00204462 Jy ! Component: 150 - total flux cleaned = 0.00206533 Jy ! Component: 200 - total flux cleaned = 0.00205778 Jy ! Total flux subtracted in 200 components = 0.00205778 Jy ! Clean residual min=-0.019391 max=0.026046 Jy/beam ! Clean residual mean=-0.000316 rms=0.005989 Jy/beam ! Combined flux in latest and established models = 1.39902 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 1.39902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.227006Jy sigma=0.001287 ! Fit after self-cal, rms=1.232084Jy sigma=0.001285 ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=1.232084Jy sigma=0.001285 ! Fit after self-cal, rms=1.259695Jy sigma=0.001284 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.9441 mas, bmaj=1.678 mas, bpa=26.84 degrees ! Estimated noise=3420.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000531232 Jy ! Component: 100 - total flux cleaned = -7.26067e-05 Jy ! Component: 150 - total flux cleaned = -0.000650156 Jy ! Component: 200 - total flux cleaned = -0.000630897 Jy ! Total flux subtracted in 200 components = -0.000630897 Jy ! Clean residual min=-0.016911 max=0.022772 Jy/beam ! Clean residual mean=-0.000387 rms=0.005365 Jy/beam ! Combined flux in latest and established models = 1.39838 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 50 components and 1.39838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.257974Jy sigma=0.001278 ! Fit after self-cal, rms=1.258468Jy sigma=0.001277 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 7.99312e-05 Jy ! Component: 100 - total flux cleaned = 5.94826e-05 Jy ! Component: 150 - total flux cleaned = -0.000398579 Jy ! Component: 200 - total flux cleaned = -0.000804346 Jy ! Total flux subtracted in 200 components = -0.000804346 Jy ! Clean residual min=-0.016305 max=0.020964 Jy/beam ! Clean residual mean=-0.000428 rms=0.005068 Jy/beam ! Combined flux in latest and established models = 1.39758 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 51 components and 1.39758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.257212Jy sigma=0.001274 ! Fit after self-cal, rms=1.256896Jy sigma=0.001274 ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=1.256896Jy sigma=0.001274 ! Fit after self-cal, rms=1.299336Jy sigma=0.001273 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.9591 mas, bmaj=1.686 mas, bpa=26 degrees ! Estimated noise=3427.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000362621 Jy ! Component: 100 - total flux cleaned = -0.000873313 Jy ! Component: 150 - total flux cleaned = -0.000867868 Jy ! Component: 200 - total flux cleaned = -0.00128641 Jy ! Total flux subtracted in 200 components = -0.00128641 Jy ! Clean residual min=-0.015142 max=0.019478 Jy/beam ! Clean residual mean=-0.000380 rms=0.004690 Jy/beam ! Combined flux in latest and established models = 1.39629 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 53 components and 1.39629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.298034Jy sigma=0.001269 ! Fit after self-cal, rms=1.298719Jy sigma=0.001268 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 4.47359e-05 Jy ! Component: 100 - total flux cleaned = 3.87587e-05 Jy ! Component: 150 - total flux cleaned = -0.000317661 Jy ! Component: 200 - total flux cleaned = -0.000318235 Jy ! Total flux subtracted in 200 components = -0.000318235 Jy ! Clean residual min=-0.015066 max=0.018323 Jy/beam ! Clean residual mean=-0.000412 rms=0.004508 Jy/beam ! Combined flux in latest and established models = 1.39598 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 54 components and 1.39598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.297862Jy sigma=0.001268 ! Fit after self-cal, rms=1.297814Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=1.297814Jy sigma=0.001267 ! Fit after self-cal, rms=1.335714Jy sigma=0.001266 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=2.084 mas, bmaj=4.506 mas, bpa=-21.76 degrees ! Estimated noise=3539.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000116009 Jy ! Component: 100 - total flux cleaned = -0.000678435 Jy ! Component: 150 - total flux cleaned = -0.0011846 Jy ! Component: 200 - total flux cleaned = -0.0016138 Jy ! Total flux subtracted in 200 components = -0.0016138 Jy ! Clean residual min=-0.013684 max=0.013791 Jy/beam ! Clean residual mean=-0.000673 rms=0.004102 Jy/beam ! Combined flux in latest and established models = 1.39436 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 57 components and 1.39436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.335534Jy sigma=0.001265 ! Fit after self-cal, rms=1.336612Jy sigma=0.001265 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 7.65457e-05 Jy ! Component: 100 - total flux cleaned = -0.000219581 Jy ! Component: 150 - total flux cleaned = -0.000611745 Jy ! Component: 200 - total flux cleaned = -0.000964996 Jy ! Total flux subtracted in 200 components = -0.000964996 Jy ! Clean residual min=-0.013491 max=0.013158 Jy/beam ! Clean residual mean=-0.000720 rms=0.004018 Jy/beam ! Combined flux in latest and established models = 1.3934 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 61 components and 1.3934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.336368Jy sigma=0.001264 ! Fit after self-cal, rms=1.336590Jy sigma=0.001264 ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.971 mas, bmaj=1.693 mas, bpa=25.32 degrees ! Estimated noise=3433.75 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.971 x 1.693 at 25.32 degrees (North through East) ! Clean map min=-0.014066 max=1.1346 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=1.336590Jy sigma=0.001264 ! Fit after self-cal, rms=5.281267Jy sigma=0.001133 ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.9614 mas, bmaj=1.693 mas, bpa=25.77 degrees ! Estimated noise=3428.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010959 Jy ! Component: 100 - total flux cleaned = -0.0013884 Jy ! Component: 150 - total flux cleaned = -0.00140064 Jy ! Component: 200 - total flux cleaned = -0.00164535 Jy ! Total flux subtracted in 200 components = -0.00164535 Jy ! Clean residual min=-0.012575 max=0.013713 Jy/beam ! Clean residual mean=-0.000613 rms=0.003534 Jy/beam ! Combined flux in latest and established models = 1.39175 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 61 components and 1.39175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.280864Jy sigma=0.001132 ! Fit after self-cal, rms=5.280056Jy sigma=0.001132 ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000258189 Jy ! Component: 100 - total flux cleaned = -0.000244731 Jy ! Component: 150 - total flux cleaned = -0.000259858 Jy ! Component: 200 - total flux cleaned = -0.000458373 Jy ! Total flux subtracted in 200 components = -0.000458373 Jy ! Clean residual min=-0.012405 max=0.013410 Jy/beam ! Clean residual mean=-0.000647 rms=0.003463 Jy/beam ! Combined flux in latest and established models = 1.39129 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 61 components and 1.39129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.279654Jy sigma=0.001132 ! Fit after self-cal, rms=5.279215Jy sigma=0.001132 ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.279215Jy sigma=0.001132 ! Fit after self-cal, rms=5.378747Jy sigma=0.001131 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 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.8034 mas, bmaj=1.582 mas, bpa=26.11 degrees ! Estimated noise=4758.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.936763 Jy ! Component: 100 - total flux cleaned = 1.15926 Jy ! Component: 150 - total flux cleaned = 1.25169 Jy ! Component: 200 - total flux cleaned = 1.30569 Jy ! Total flux subtracted in 200 components = 1.30569 Jy ! Clean residual min=-0.026829 max=0.033229 Jy/beam ! Clean residual mean=0.000949 rms=0.008481 Jy/beam ! Combined flux in latest and established models = 1.30569 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 1.30569 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.971 mas, bmaj=1.698 mas, bpa=25.22 degrees ! Estimated noise=3429.87 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0438094 Jy ! Component: 100 - total flux cleaned = 0.0644547 Jy ! Component: 150 - total flux cleaned = 0.0748917 Jy ! Component: 200 - total flux cleaned = 0.0798631 Jy ! Total flux subtracted in 200 components = 0.0798631 Jy ! Clean residual min=-0.012364 max=0.011865 Jy/beam ! Clean residual mean=-0.000550 rms=0.003089 Jy/beam ! Combined flux in latest and established models = 1.38555 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 1.38555 Jy ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=2.086 mas, bmaj=4.494 mas, bpa=-21.7 degrees ! Estimated noise=3536.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208894 Jy ! Component: 100 - total flux cleaned = 0.00243654 Jy ! Component: 150 - total flux cleaned = 0.00243861 Jy ! Component: 200 - total flux cleaned = 0.00250093 Jy ! Total flux subtracted in 200 components = 0.00250093 Jy ! Clean residual min=-0.010481 max=0.008366 Jy/beam ! Clean residual mean=-0.001099 rms=0.003239 Jy/beam ! Combined flux in latest and established models = 1.38805 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 = 3.38419e-07 Jy ! Component: 100 - total flux cleaned = 4.17879e-06 Jy ! Component: 150 - total flux cleaned = 3.21836e-06 Jy ! Component: 200 - total flux cleaned = 5.89821e-05 Jy ! Total flux subtracted in 200 components = 5.89821e-05 Jy ! Clean residual min=-0.010474 max=0.008174 Jy/beam ! Clean residual mean=-0.001101 rms=0.003205 Jy/beam ! Combined flux in latest and established models = 1.38811 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 57 components and 1.38811 Jy ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.971 mas, bmaj=1.698 mas, bpa=25.22 degrees ! Estimated noise=3429.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000272563 Jy ! Component: 100 - total flux cleaned = -0.000116953 Jy ! Component: 150 - total flux cleaned = -0.000115692 Jy ! Component: 200 - total flux cleaned = -5.41028e-05 Jy ! Total flux subtracted in 200 components = -5.41028e-05 Jy ! Clean residual min=-0.011436 max=0.011458 Jy/beam ! Clean residual mean=-0.000595 rms=0.002910 Jy/beam ! Combined flux in latest and established models = 1.38806 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 69 components and 1.38806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=5.378114Jy sigma=0.001170 ! Fit after self-cal, rms=5.376011Jy sigma=0.001169 wmodel J0921-2618_X_2000_03_13_pus_map.mod ! Writing 69 model components to file: J0921-2618_X_2000_03_13_pus_map.mod wobs J0921-2618_X_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0921-2618_X_2000_03_13_pus_uvs.fits wwins J0921-2618_X_2000_03_13_pus_map.win ! wwins: Wrote 2 windows to J0921-2618_X_2000_03_13_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 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00166536 Jy ! Component: 100 - total flux cleaned = -0.00405555 Jy ! Component: 150 - total flux cleaned = -0.00622394 Jy ! Component: 200 - total flux cleaned = -0.00897076 Jy ! Component: 250 - total flux cleaned = -0.0105485 Jy ! Component: 300 - total flux cleaned = -0.0123168 Jy ! Component: 350 - total flux cleaned = -0.0140052 Jy ! Component: 400 - total flux cleaned = -0.0152498 Jy ! Component: 450 - total flux cleaned = -0.016329 Jy ! Component: 500 - total flux cleaned = -0.0175983 Jy ! Component: 550 - total flux cleaned = -0.0189318 Jy ! Component: 600 - total flux cleaned = -0.0202199 Jy ! Component: 650 - total flux cleaned = -0.0212601 Jy ! Component: 700 - total flux cleaned = -0.0221715 Jy ! Component: 750 - total flux cleaned = -0.0231591 Jy ! Component: 800 - total flux cleaned = -0.0240289 Jy ! Component: 850 - total flux cleaned = -0.0250718 Jy ! Component: 900 - total flux cleaned = -0.0259081 Jy ! Component: 950 - total flux cleaned = -0.0268201 Jy ! Component: 1000 - total flux cleaned = -0.0279821 Jy ! Component: 1050 - total flux cleaned = -0.0288619 Jy ! Component: 1100 - total flux cleaned = -0.0299018 Jy ! Component: 1150 - total flux cleaned = -0.0310084 Jy ! Component: 1200 - total flux cleaned = -0.0320137 Jy ! Component: 1250 - total flux cleaned = -0.0329214 Jy ! Component: 1300 - total flux cleaned = -0.033978 Jy ! Component: 1350 - total flux cleaned = -0.0347787 Jy ! Component: 1400 - total flux cleaned = -0.0355689 Jy ! Component: 1450 - total flux cleaned = -0.0363487 Jy ! Component: 1500 - total flux cleaned = -0.0371194 Jy ! Component: 1550 - total flux cleaned = -0.0378817 Jy ! Component: 1600 - total flux cleaned = -0.0386353 Jy ! Component: 1650 - total flux cleaned = -0.0393823 Jy ! Component: 1700 - total flux cleaned = -0.0401982 Jy ! Component: 1750 - total flux cleaned = -0.0408625 Jy ! Component: 1800 - total flux cleaned = -0.0415241 Jy ! Component: 1850 - total flux cleaned = -0.0419644 Jy ! Component: 1900 - total flux cleaned = -0.0423311 Jy ! Component: 1950 - total flux cleaned = -0.0428425 Jy ! Component: 2000 - total flux cleaned = -0.0431358 Jy ! Total flux subtracted in 2048 components = -0.0435039 Jy ! Clean residual min=-0.004116 max=0.004082 Jy/beam ! Clean residual mean=-0.000366 rms=0.001141 Jy/beam ! Combined flux in latest and established models = 1.34456 Jy keep ! Adding 95 model components to the UV plane model. ! The established model now contains 164 components and 1.34456 Jy ![Exited script file: muppet] wmap "J0921-2618_X_2000_03_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.971 x 1.698 at 25.22 degrees (North through East) ! Clean map min=-0.0069033 max=1.1656 Jy/beam ! Writing clean map to FITS file: J0921-2618_X_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.16556 invert ! Inverting map ! Your choice of large map pixels excluded 12.9% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00108772 device "J0921-2618_X_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_X_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.279964 0.279964 0.559929 1.11986 2.23972 4.47943 8.95886 17.9177 35.8354 71.6709 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.165 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.971 x 1.698 at 25.22 degrees (North through East) ! Clean map min=-0.0069033 max=1.1656 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0921-2618_X_2000_03_13_pus_uvs.log closed on Mon Apr 1 13:29:21 2013