! Started logfile: J1802-3940_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:43:33 2011 obs J1802-3940_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1802-3940_X_2010_06_23_pus_uva.fits ! AN table 1: 61 integrations on 105 of 105 possible baselines. ! AN table 2: 52 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.153139 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1802-3940 ! ! 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 7268 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 J1802-3940_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 473 telescope corrections were flagged in sub-array 1. ! A total of 696 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 473 telescope corrections were flagged in sub-array 1. ! A total of 696 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 473 telescope corrections were flagged in sub-array 1. ! A total of 696 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 473 telescope corrections were flagged in sub-array 1. ! A total of 696 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.904694Jy sigma=0.009144 ! Fit after self-cal, rms=0.692185Jy sigma=0.007351 ! 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 3.17% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.5157 mas, bmaj=1.875 mas, bpa=7.966 degrees ! Estimated noise=1700.82 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 = 1.14309 Jy ! Component: 100 - total flux cleaned = 1.40076 Jy ! Total flux subtracted in 100 components = 1.40076 Jy ! Clean residual min=-0.078218 max=0.165914 Jy/beam ! Clean residual mean=0.000385 rms=0.033063 Jy/beam ! Combined flux in latest and established models = 1.40076 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.40076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.430496Jy sigma=0.004416 ! Fit after self-cal, rms=0.430485Jy sigma=0.004416 ! Inverting map ! Your choice of large map pixels excluded 3.17% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 3.17% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7107 mas, bmaj=2.032 mas, bpa=-1.083 degrees ! Estimated noise=898.43 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 = 0.23095 Jy ! Component: 100 - total flux cleaned = 0.338843 Jy ! Component: 150 - total flux cleaned = 0.39346 Jy ! Component: 200 - total flux cleaned = 0.42119 Jy ! Total flux subtracted in 200 components = 0.42119 Jy ! Clean residual min=-0.053734 max=0.146432 Jy/beam ! Clean residual mean=0.003130 rms=0.032632 Jy/beam ! Combined flux in latest and established models = 1.82195 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 27 components and 1.82195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346229Jy sigma=0.002881 ! Fit after self-cal, rms=0.346183Jy sigma=0.002881 ! Inverting map ! Your choice of large map pixels excluded 3.17% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.95 HN 1.00* KK 1.03 ! KP 0.94 LA 0.92 MA 1.00* MK 0.98 ! NL 1.63 NY 1.00* OV 0.96 PT 0.94 ! SC 0.97 TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 HN 1.00* KK 1.07 ! KP 0.93 LA 0.95 MA 1.00* MK 0.99 ! NL 1.66 NY 1.00* OV 0.99 PT 0.93 ! SC 1.01 TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 HN 1.00* KK 1.03 ! KP 0.94 LA 0.94 MA 1.00* MK 0.98 ! NL 1.58 NY 1.00* OV 0.97 PT 0.94 ! SC 0.97 TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 HN 1.00* KK 1.00 ! KP 0.94 LA 0.93 MA 1.00* MK 0.97 ! NL 1.63 NY 1.00* OV 0.96 PT 0.94 ! SC 0.99 TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Fit before self-cal, rms=0.346183Jy sigma=0.002881 ! Fit after self-cal, rms=0.192229Jy sigma=0.001332 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7366 mas, bmaj=2.028 mas, bpa=-2.495 degrees ! Estimated noise=921.736 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 (-1.2, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0167416 Jy ! Component: 100 - total flux cleaned = 0.0164969 Jy ! Component: 150 - total flux cleaned = 0.0156581 Jy ! Component: 200 - total flux cleaned = 0.015792 Jy ! Total flux subtracted in 200 components = 0.015792 Jy ! Clean residual min=-0.004954 max=0.009347 Jy/beam ! Clean residual mean=0.000345 rms=0.002114 Jy/beam ! Combined flux in latest and established models = 1.83774 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 38 components and 1.83774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190485Jy sigma=0.001312 ! Fit after self-cal, rms=0.191173Jy sigma=0.001311 ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.191173Jy sigma=0.001311 ! Fit after self-cal, rms=0.190772Jy sigma=0.001310 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7358 mas, bmaj=2.026 mas, bpa=-2.475 degrees ! Estimated noise=920.094 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0020649 Jy ! Component: 100 - total flux cleaned = 0.00228365 Jy ! Component: 150 - total flux cleaned = 0.00218854 Jy ! Component: 200 - total flux cleaned = 0.00210136 Jy ! Total flux subtracted in 200 components = 0.00210136 Jy ! Clean residual min=-0.004904 max=0.008302 Jy/beam ! Clean residual mean=0.000352 rms=0.002013 Jy/beam ! Combined flux in latest and established models = 1.83984 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 44 components and 1.83984 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190603Jy sigma=0.001308 ! Fit after self-cal, rms=0.190600Jy sigma=0.001308 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = 0.000309099 Jy ! Component: 100 - total flux cleaned = 0.00022758 Jy ! Component: 150 - total flux cleaned = 7.91973e-05 Jy ! Component: 200 - total flux cleaned = -0.000129496 Jy ! Total flux subtracted in 200 components = -0.000129496 Jy ! Clean residual min=-0.004790 max=0.008004 Jy/beam ! Clean residual mean=0.000354 rms=0.001950 Jy/beam ! Combined flux in latest and established models = 1.83971 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 53 components and 1.83971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190523Jy sigma=0.001308 ! Fit after self-cal, rms=0.190525Jy sigma=0.001308 ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.190525Jy sigma=0.001308 ! Fit after self-cal, rms=0.190341Jy sigma=0.001307 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7356 mas, bmaj=2.025 mas, bpa=-2.453 degrees ! Estimated noise=919.655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000217849 Jy ! Component: 100 - total flux cleaned = 0.000222257 Jy ! Component: 150 - total flux cleaned = 0.000154585 Jy ! Component: 200 - total flux cleaned = 2.41483e-05 Jy ! Total flux subtracted in 200 components = 2.41483e-05 Jy ! Clean residual min=-0.004524 max=0.007884 Jy/beam ! Clean residual mean=0.000366 rms=0.001928 Jy/beam ! Combined flux in latest and established models = 1.83974 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 59 components and 1.83974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190284Jy sigma=0.001307 ! Fit after self-cal, rms=0.190285Jy sigma=0.001307 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = 1.42724e-06 Jy ! Component: 100 - total flux cleaned = -0.000128687 Jy ! Component: 150 - total flux cleaned = -0.000248062 Jy ! Component: 200 - total flux cleaned = -0.000361313 Jy ! Total flux subtracted in 200 components = -0.000361313 Jy ! Clean residual min=-0.004482 max=0.007877 Jy/beam ! Clean residual mean=0.000372 rms=0.001884 Jy/beam ! Combined flux in latest and established models = 1.83937 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 62 components and 1.83937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190247Jy sigma=0.001306 ! Fit after self-cal, rms=0.190251Jy sigma=0.001306 ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.190251Jy sigma=0.001306 ! Fit after self-cal, rms=0.190091Jy sigma=0.001306 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=2.689 mas, bmaj=9.454 mas, bpa=4.273 degrees ! Estimated noise=1240.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00085193 Jy ! Component: 100 - total flux cleaned = -0.000851643 Jy ! Component: 150 - total flux cleaned = -0.000851522 Jy ! Component: 200 - total flux cleaned = -0.00089053 Jy ! Total flux subtracted in 200 components = -0.00089053 Jy ! Clean residual min=-0.005680 max=0.011619 Jy/beam ! Clean residual mean=0.000893 rms=0.003437 Jy/beam ! Combined flux in latest and established models = 1.83848 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 65 components and 1.83848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190091Jy sigma=0.001306 ! Fit after self-cal, rms=0.190092Jy sigma=0.001306 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = 5.52998e-05 Jy ! Component: 100 - total flux cleaned = -1.36449e-05 Jy ! Component: 150 - total flux cleaned = -0.000110571 Jy ! Component: 200 - total flux cleaned = -0.00011166 Jy ! Total flux subtracted in 200 components = -0.00011166 Jy ! Clean residual min=-0.005679 max=0.011420 Jy/beam ! Clean residual mean=0.000896 rms=0.003414 Jy/beam ! Combined flux in latest and established models = 1.83837 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 67 components and 1.83837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190080Jy sigma=0.001306 ! Fit after self-cal, rms=0.190079Jy sigma=0.001306 ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7355 mas, bmaj=2.024 mas, bpa=-2.434 degrees ! Estimated noise=919.299 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7355 x 2.024 at -2.434 degrees (North through East) ! Clean map min=-0.0068057 max=1.5826 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=0.190079Jy sigma=0.001306 ! Fit after self-cal, rms=0.179776Jy sigma=0.001188 ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7355 mas, bmaj=2.024 mas, bpa=-2.432 degrees ! Estimated noise=919.587 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000680588 Jy ! Component: 100 - total flux cleaned = 0.000614403 Jy ! Component: 150 - total flux cleaned = 0.000615264 Jy ! Component: 200 - total flux cleaned = 0.000614473 Jy ! Total flux subtracted in 200 components = 0.000614473 Jy ! Clean residual min=-0.004458 max=0.007603 Jy/beam ! Clean residual mean=0.000390 rms=0.001839 Jy/beam ! Combined flux in latest and established models = 1.83899 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 70 components and 1.83899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179731Jy sigma=0.001188 ! Fit after self-cal, rms=0.179733Jy sigma=0.001188 ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000114633 Jy ! Component: 100 - total flux cleaned = -0.000116081 Jy ! Component: 150 - total flux cleaned = -0.000167751 Jy ! Component: 200 - total flux cleaned = -0.000216546 Jy ! Total flux subtracted in 200 components = -0.000216546 Jy ! Clean residual min=-0.004460 max=0.007465 Jy/beam ! Clean residual mean=0.000394 rms=0.001814 Jy/beam ! Combined flux in latest and established models = 1.83877 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 71 components and 1.83877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179707Jy sigma=0.001188 ! Fit after self-cal, rms=0.179708Jy sigma=0.001188 ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179708Jy sigma=0.001188 ! Fit after self-cal, rms=0.179631Jy sigma=0.001188 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 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.6035 mas, bmaj=1.697 mas, bpa=2.25 degrees ! Estimated noise=1262.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.2183 Jy ! Component: 100 - total flux cleaned = 1.49285 Jy ! Component: 150 - total flux cleaned = 1.61351 Jy ! Component: 200 - total flux cleaned = 1.68747 Jy ! Total flux subtracted in 200 components = 1.68747 Jy ! Clean residual min=-0.019999 max=0.038476 Jy/beam ! Clean residual mean=0.000213 rms=0.010413 Jy/beam ! Combined flux in latest and established models = 1.68747 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.68747 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7355 mas, bmaj=2.024 mas, bpa=-2.425 degrees ! Estimated noise=919.316 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 = 0.067752 Jy ! Component: 100 - total flux cleaned = 0.102035 Jy ! Component: 150 - total flux cleaned = 0.121391 Jy ! Component: 200 - total flux cleaned = 0.133144 Jy ! Total flux subtracted in 200 components = 0.133144 Jy ! Clean residual min=-0.005680 max=0.008912 Jy/beam ! Clean residual mean=0.000639 rms=0.002844 Jy/beam ! Combined flux in latest and established models = 1.82061 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 44 components and 1.82061 Jy ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=2.689 mas, bmaj=9.452 mas, bpa=4.276 degrees ! Estimated noise=1240.32 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012326 Jy ! Component: 100 - total flux cleaned = 0.0164531 Jy ! Component: 150 - total flux cleaned = 0.0168776 Jy ! Component: 200 - total flux cleaned = 0.0168837 Jy ! Total flux subtracted in 200 components = 0.0168837 Jy ! Clean residual min=-0.005760 max=0.012412 Jy/beam ! Clean residual mean=0.000930 rms=0.003645 Jy/beam ! Combined flux in latest and established models = 1.83749 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000115354 Jy ! Component: 100 - total flux cleaned = -0.000220035 Jy ! Component: 150 - total flux cleaned = -0.000309264 Jy ! Component: 200 - total flux cleaned = -0.000389025 Jy ! Total flux subtracted in 200 components = -0.000389025 Jy ! Clean residual min=-0.005928 max=0.012026 Jy/beam ! Clean residual mean=0.000962 rms=0.003527 Jy/beam ! Combined flux in latest and established models = 1.83711 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 1.83711 Jy ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7355 mas, bmaj=2.024 mas, bpa=-2.425 degrees ! Estimated noise=919.316 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000984627 Jy ! Component: 100 - total flux cleaned = 0.000832065 Jy ! Component: 150 - total flux cleaned = 0.000828623 Jy ! Component: 200 - total flux cleaned = 0.000920095 Jy ! Total flux subtracted in 200 components = 0.000920095 Jy ! Clean residual min=-0.004235 max=0.008401 Jy/beam ! Clean residual mean=0.000410 rms=0.001975 Jy/beam ! Combined flux in latest and established models = 1.83803 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 1.83803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179822Jy sigma=0.001189 ! Fit after self-cal, rms=0.179804Jy sigma=0.001189 wmodel J1802-3940_X_2010_06_23_pus_map.mod ! Writing 60 model components to file: J1802-3940_X_2010_06_23_pus_map.mod wobs J1802-3940_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1802-3940_X_2010_06_23_pus_uvs.fits wwins J1802-3940_X_2010_06_23_pus_map.win ! wwins: Wrote 2 windows to J1802-3940_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 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00331376 Jy ! Component: 100 - total flux cleaned = 0.00572779 Jy ! Component: 150 - total flux cleaned = 0.00686982 Jy ! Component: 200 - total flux cleaned = 0.00787067 Jy ! Component: 250 - total flux cleaned = 0.00883456 Jy ! Component: 300 - total flux cleaned = 0.00924317 Jy ! Component: 350 - total flux cleaned = 0.0095705 Jy ! Component: 400 - total flux cleaned = 0.00957057 Jy ! Component: 450 - total flux cleaned = 0.00942073 Jy ! Component: 500 - total flux cleaned = 0.00927705 Jy ! Component: 550 - total flux cleaned = 0.00923147 Jy ! Component: 600 - total flux cleaned = 0.00923183 Jy ! Component: 650 - total flux cleaned = 0.00927661 Jy ! Component: 700 - total flux cleaned = 0.00932017 Jy ! Component: 750 - total flux cleaned = 0.0093619 Jy ! Component: 800 - total flux cleaned = 0.00928022 Jy ! Component: 850 - total flux cleaned = 0.00920038 Jy ! Component: 900 - total flux cleaned = 0.00927885 Jy ! Component: 950 - total flux cleaned = 0.00927885 Jy ! Component: 1000 - total flux cleaned = 0.0093163 Jy ! Total flux subtracted in 1024 components = 0.0093535 Jy ! Clean residual min=-0.002571 max=0.001925 Jy/beam ! Clean residual mean=0.000217 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 1.84738 Jy keep ! Adding 56 model components to the UV plane model. ! The established model now contains 116 components and 1.84738 Jy ![Exited script file: muppet] wmap "J1802-3940_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7355 x 2.024 at -2.425 degrees (North through East) ! Clean map min=-0.0060045 max=1.6034 Jy/beam ! Writing clean map to FITS file: J1802-3940_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 1.60337 invert ! Inverting map ! Your choice of large map pixels excluded 3.32% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00070594 device "J1802-3940_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1802-3940_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.132085 0.132085 0.264171 0.528341 1.05668 2.11336 4.22673 8.45346 16.9069 33.8138 67.6277 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.603 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7355 x 2.024 at -2.425 degrees (North through East) ! Clean map min=-0.0060045 max=1.6034 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1802-3940_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1802-3940_X_2010_06_23_pus_map.gif/vgif' mapplot cln