! Started logfile: J0438-1251_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:39:00 2011 obs J0438-1251_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J0438-1251_X_2010_06_23_pus_uva.fits ! AN table 1: 104 integrations on 105 of 105 possible baselines. ! AN table 2: 53 integrations on 105 of 105 possible baselines. ! AN table 3: 17 integrations on 105 of 105 possible baselines. ! AN table 4: 25 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.179038 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0438-1251 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 14964 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 ![@muppet J0438-1251_X_2010_06_23_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 = 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 1031 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! A total of 255 telescope corrections were flagged in sub-array 3. ! A total of 265 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1031 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! A total of 255 telescope corrections were flagged in sub-array 3. ! A total of 265 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1031 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! A total of 255 telescope corrections were flagged in sub-array 3. ! A total of 265 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1031 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! A total of 255 telescope corrections were flagged in sub-array 3. ! A total of 265 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.715165Jy sigma=0.007705 ! Fit after self-cal, rms=0.557154Jy sigma=0.006006 ! 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 0.88% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.6794 mas, bmaj=1.863 mas, bpa=-1.875 degrees ! Estimated noise=945.339 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 = 0.343382 Jy ! Component: 100 - total flux cleaned = 0.420937 Jy ! Total flux subtracted in 100 components = 0.420937 Jy ! Clean residual min=-0.015782 max=0.027297 Jy/beam ! Clean residual mean=0.000283 rms=0.003501 Jy/beam ! Combined flux in latest and established models = 0.420937 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.420937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153252Jy sigma=0.001534 ! Fit after self-cal, rms=0.153260Jy sigma=0.001534 ! Inverting map ! Your choice of large map pixels excluded 0.88% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0300543 Jy ! Component: 100 - total flux cleaned = 0.0483008 Jy ! Total flux subtracted in 100 components = 0.0483008 Jy ! Clean residual min=-0.011212 max=0.009750 Jy/beam ! Clean residual mean=0.000104 rms=0.002321 Jy/beam ! Combined flux in latest and established models = 0.469238 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 24 components and 0.469238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143020Jy sigma=0.001391 ! Fit after self-cal, rms=0.143012Jy sigma=0.001391 ! Inverting map ! Your choice of large map pixels excluded 0.88% of the data. ! The x-axis pixel size should ideally be below 0.1868 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 0.88% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.9473 mas, bmaj=2.504 mas, bpa=-6.178 degrees ! Estimated noise=547.603 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 = 0.0219097 Jy ! Component: 100 - total flux cleaned = 0.0321697 Jy ! Component: 150 - total flux cleaned = 0.0375251 Jy ! Component: 200 - total flux cleaned = 0.0404582 Jy ! Total flux subtracted in 200 components = 0.0404582 Jy ! Clean residual min=-0.004440 max=0.007306 Jy/beam ! Clean residual mean=-0.000133 rms=0.001501 Jy/beam ! Combined flux in latest and established models = 0.509696 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 58 components and 0.509696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140385Jy sigma=0.001349 ! Fit after self-cal, rms=0.140369Jy sigma=0.001348 ! Inverting map ! Your choice of large map pixels excluded 0.88% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 102 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.03 KK 0.96 ! KP 0.98 LA 0.99 MA 1.00* MK 1.04 ! NL 1.05 NY 1.00* OV 1.00 PT 1.00 ! SC 0.95 TS 1.02 ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 HN 0.98 KK 1.09 ! KP 0.99 LA 0.94 MA 1.00* MK 1.01 ! NL 0.98 NY 1.00* OV 0.97 PT 0.98 ! SC 0.98 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.05 HN 1.08 KK 1.00* ! KP 1.01 LA 1.02 MA 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 0.99 PT 1.03 ! SC 1.00 TS 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 102 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.99 KK 1.00 ! KP 0.97 LA 1.01 MA 1.00* MK 1.04 ! NL 1.09 NY 1.00* OV 1.00 PT 1.00 ! SC 1.01 TS 1.09 ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 HN 1.00 KK 1.14 ! KP 0.97 LA 0.97 MA 1.00* MK 1.01 ! NL 1.01 NY 1.00* OV 0.99 PT 0.96 ! SC 1.04 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.01 HN 1.16 KK 1.00* ! KP 1.00 LA 1.05 MA 1.00* MK 1.00* ! NL 1.05 NY 1.00* OV 1.05 PT 1.03 ! SC 1.04 TS 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 102 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 1.02 KK 0.94 ! KP 0.97 LA 1.02 MA 1.00* MK 1.03 ! NL 1.03 NY 1.00* OV 1.00 PT 0.98 ! SC 0.98 TS 1.04 ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.95 HN 0.98 KK 1.13 ! KP 0.97 LA 1.00 MA 1.00* MK 0.98 ! NL 0.98 NY 1.00* OV 0.99 PT 0.97 ! SC 1.01 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.03 HN 1.10 KK 1.00* ! KP 1.02 LA 0.99 MA 1.00* MK 1.00* ! NL 0.99 NY 1.00* OV 1.09 PT 1.00 ! SC 0.99 TS 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 102 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.98 KK 1.02 ! KP 0.96 LA 1.02 MA 1.00* MK 1.03 ! NL 1.05 NY 1.00* OV 1.00 PT 1.00 ! SC 0.98 TS 1.06 ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.97 HN 1.01 KK 1.11 ! KP 0.97 LA 0.97 MA 1.00* MK 1.01 ! NL 1.00 NY 1.00* OV 0.97 PT 0.98 ! SC 1.02 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.95 HN 1.15 KK 1.00* ! KP 1.09 LA 1.00 MA 1.00* MK 1.00* ! NL 1.03 NY 1.00* OV 1.04 PT 1.02 ! SC 1.01 TS 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.140369Jy sigma=0.001348 ! Fit after self-cal, rms=0.140935Jy sigma=0.001326 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.9829 mas, bmaj=2.624 mas, bpa=-8.258 degrees ! Estimated noise=556.298 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 = -0.00209926 Jy ! Component: 100 - total flux cleaned = -0.0022798 Jy ! Component: 150 - total flux cleaned = -0.0024778 Jy ! Component: 200 - total flux cleaned = -0.00264376 Jy ! Total flux subtracted in 200 components = -0.00264376 Jy ! Clean residual min=-0.003352 max=0.004543 Jy/beam ! Clean residual mean=-0.000010 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.507052 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 61 components and 0.507052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140881Jy sigma=0.001325 ! Fit after self-cal, rms=0.140927Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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=0.140927Jy sigma=0.001325 ! Fit after self-cal, rms=0.141064Jy sigma=0.001316 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.985 mas, bmaj=2.626 mas, bpa=-8.226 degrees ! Estimated noise=555.994 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00119345 Jy ! Component: 100 - total flux cleaned = -0.00126929 Jy ! Component: 150 - total flux cleaned = -0.00130173 Jy ! Component: 200 - total flux cleaned = -0.00133142 Jy ! Total flux subtracted in 200 components = -0.00133142 Jy ! Clean residual min=-0.002937 max=0.003147 Jy/beam ! Clean residual mean=0.000141 rms=0.000806 Jy/beam ! Combined flux in latest and established models = 0.505721 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 66 components and 0.505721 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141034Jy sigma=0.001316 ! Fit after self-cal, rms=0.141047Jy sigma=0.001316 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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 = 2.04359e-05 Jy ! Component: 100 - total flux cleaned = -1.07823e-05 Jy ! Component: 150 - total flux cleaned = -1.02678e-05 Jy ! Component: 200 - total flux cleaned = -1.13858e-05 Jy ! Total flux subtracted in 200 components = -1.13858e-05 Jy ! Clean residual min=-0.002888 max=0.003051 Jy/beam ! Clean residual mean=0.000141 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.505709 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 66 components and 0.505709 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141032Jy sigma=0.001316 ! Fit after self-cal, rms=0.141026Jy sigma=0.001316 ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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=0.141026Jy sigma=0.001316 ! Fit after self-cal, rms=0.141098Jy sigma=0.001313 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.9863 mas, bmaj=2.627 mas, bpa=-8.233 degrees ! Estimated noise=556.182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000516247 Jy ! Component: 100 - total flux cleaned = -0.000516703 Jy ! Component: 150 - total flux cleaned = -0.000569352 Jy ! Component: 200 - total flux cleaned = -0.000592102 Jy ! Total flux subtracted in 200 components = -0.000592102 Jy ! Clean residual min=-0.002736 max=0.003075 Jy/beam ! Clean residual mean=0.000120 rms=0.000795 Jy/beam ! Combined flux in latest and established models = 0.505117 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 66 components and 0.505117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141080Jy sigma=0.001313 ! Fit after self-cal, rms=0.141080Jy sigma=0.001313 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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 = 3.58359e-05 Jy ! Component: 100 - total flux cleaned = 1.1533e-05 Jy ! Component: 150 - total flux cleaned = 1.17462e-05 Jy ! Component: 200 - total flux cleaned = 1.00674e-05 Jy ! Total flux subtracted in 200 components = 1.00674e-05 Jy ! Clean residual min=-0.002703 max=0.003023 Jy/beam ! Clean residual mean=0.000120 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.505127 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 70 components and 0.505127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141070Jy sigma=0.001313 ! Fit after self-cal, rms=0.141067Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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=0.141067Jy sigma=0.001313 ! Fit after self-cal, rms=0.141241Jy sigma=0.001313 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=2.417 mas, bmaj=4.22 mas, bpa=-10.73 degrees ! Estimated noise=649.064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000384422 Jy ! Component: 100 - total flux cleaned = 0.000347086 Jy ! Component: 150 - total flux cleaned = 0.000296451 Jy ! Component: 200 - total flux cleaned = 0.000278717 Jy ! Total flux subtracted in 200 components = 0.000278717 Jy ! Clean residual min=-0.001896 max=0.003321 Jy/beam ! Clean residual mean=0.000205 rms=0.000923 Jy/beam ! Combined flux in latest and established models = 0.505406 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 78 components and 0.505406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141245Jy sigma=0.001313 ! Fit after self-cal, rms=0.141244Jy sigma=0.001313 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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 = 9.18419e-05 Jy ! Component: 100 - total flux cleaned = 6.90564e-05 Jy ! Component: 150 - total flux cleaned = 5.30662e-05 Jy ! Component: 200 - total flux cleaned = 5.2729e-05 Jy ! Total flux subtracted in 200 components = 5.2729e-05 Jy ! Clean residual min=-0.001918 max=0.003200 Jy/beam ! Clean residual mean=0.000203 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.505459 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 80 components and 0.505459 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141251Jy sigma=0.001313 ! Fit after self-cal, rms=0.141249Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.9876 mas, bmaj=2.629 mas, bpa=-8.224 degrees ! Estimated noise=556.436 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9876 x 2.629 at -8.224 degrees (North through East) ! Clean map min=-0.0024035 max=0.46272 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.7133 mas, bmaj=1.952 mas, bpa=-5.108 degrees ! Estimated noise=996.833 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.350802 Jy ! Component: 100 - total flux cleaned = 0.429462 Jy ! Component: 150 - total flux cleaned = 0.459181 Jy ! Component: 200 - total flux cleaned = 0.476382 Jy ! Total flux subtracted in 200 components = 0.476382 Jy ! Clean residual min=-0.006015 max=0.008994 Jy/beam ! Clean residual mean=0.000139 rms=0.001775 Jy/beam ! Combined flux in latest and established models = 0.476382 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.476382 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.9876 mas, bmaj=2.629 mas, bpa=-8.224 degrees ! Estimated noise=556.436 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 = 0.0152657 Jy ! Component: 100 - total flux cleaned = 0.0221864 Jy ! Component: 150 - total flux cleaned = 0.0256044 Jy ! Component: 200 - total flux cleaned = 0.0271339 Jy ! Total flux subtracted in 200 components = 0.0271339 Jy ! Clean residual min=-0.002491 max=0.003252 Jy/beam ! Clean residual mean=0.000148 rms=0.000809 Jy/beam ! Combined flux in latest and established models = 0.503516 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 45 components and 0.503516 Jy ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 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 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=2.417 mas, bmaj=4.22 mas, bpa=-10.73 degrees ! Estimated noise=649.064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132925 Jy ! Component: 100 - total flux cleaned = 0.00141307 Jy ! Component: 150 - total flux cleaned = 0.00148195 Jy ! Component: 200 - total flux cleaned = 0.00152326 Jy ! Total flux subtracted in 200 components = 0.00152326 Jy ! Clean residual min=-0.001905 max=0.003356 Jy/beam ! Clean residual mean=0.000217 rms=0.000933 Jy/beam ! Combined flux in latest and established models = 0.505039 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 = 3.95846e-05 Jy ! Component: 100 - total flux cleaned = 7.56908e-05 Jy ! Component: 150 - total flux cleaned = 0.000110047 Jy ! Component: 200 - total flux cleaned = 0.000142383 Jy ! Total flux subtracted in 200 components = 0.000142383 Jy ! Clean residual min=-0.001914 max=0.003279 Jy/beam ! Clean residual mean=0.000212 rms=0.000925 Jy/beam ! Combined flux in latest and established models = 0.505181 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 50 components and 0.505181 Jy ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! Estimated beam: bmin=0.9876 mas, bmaj=2.629 mas, bpa=-8.224 degrees ! Estimated noise=556.436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000185489 Jy ! Component: 100 - total flux cleaned = -3.96356e-05 Jy ! Component: 150 - total flux cleaned = -3.83771e-05 Jy ! Component: 200 - total flux cleaned = -3.75404e-05 Jy ! Total flux subtracted in 200 components = -3.75404e-05 Jy ! Clean residual min=-0.002513 max=0.003111 Jy/beam ! Clean residual mean=0.000119 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.505144 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 52 components and 0.505144 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141241Jy sigma=0.001313 ! Fit after self-cal, rms=0.141223Jy sigma=0.001313 wmodel J0438-1251_X_2010_06_23_pus_map.mod ! Writing 52 model components to file: J0438-1251_X_2010_06_23_pus_map.mod wobs J0438-1251_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J0438-1251_X_2010_06_23_pus_uvs.fits wwins J0438-1251_X_2010_06_23_pus_map.win ! wwins: Wrote 1 windows to J0438-1251_X_2010_06_23_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 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00111318 Jy ! Component: 100 - total flux cleaned = 0.00147819 Jy ! Component: 150 - total flux cleaned = 0.00168424 Jy ! Component: 200 - total flux cleaned = 0.00191895 Jy ! Component: 250 - total flux cleaned = 0.00203129 Jy ! Component: 300 - total flux cleaned = 0.00221397 Jy ! Component: 350 - total flux cleaned = 0.0023908 Jy ! Component: 400 - total flux cleaned = 0.00249389 Jy ! Component: 450 - total flux cleaned = 0.00262807 Jy ! Component: 500 - total flux cleaned = 0.00272589 Jy ! Component: 550 - total flux cleaned = 0.00282137 Jy ! Component: 600 - total flux cleaned = 0.00294532 Jy ! Component: 650 - total flux cleaned = 0.00300568 Jy ! Component: 700 - total flux cleaned = 0.00300593 Jy ! Component: 750 - total flux cleaned = 0.00309343 Jy ! Component: 800 - total flux cleaned = 0.00315083 Jy ! Component: 850 - total flux cleaned = 0.00320737 Jy ! Component: 900 - total flux cleaned = 0.00329123 Jy ! Component: 950 - total flux cleaned = 0.00337367 Jy ! Component: 1000 - total flux cleaned = 0.0034005 Jy ! Total flux subtracted in 1024 components = 0.00340069 Jy ! Clean residual min=-0.001405 max=0.001710 Jy/beam ! Clean residual mean=0.000057 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.508544 Jy keep ! Adding 65 model components to the UV plane model. ! The established model now contains 117 components and 0.508544 Jy ![Exited script file: muppet] wmap "J0438-1251_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9876 x 2.629 at -8.224 degrees (North through East) ! Clean map min=-0.0021757 max=0.46355 Jy/beam ! Writing clean map to FITS file: J0438-1251_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.463551 invert ! Inverting map ! Your choice of large map pixels excluded 0.909% of the data. ! The x-axis pixel size should ideally be below 0.1868 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00056704 device "J0438-1251_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J0438-1251_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.366976 0.366976 0.733952 1.4679 2.93581 5.87161 11.7432 23.4865 46.9729 93.9458 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.463 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9876 x 2.629 at -8.224 degrees (North through East) ! Clean map min=-0.0021757 max=0.46355 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0438-1251_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J0438-1251_X_2010_06_23_pus_map.gif/vgif' mapplot cln