! Started logfile: J1740+5211_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:55:12 2012 obs J1740+5211_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1740+5211_X_2011_08_02_pus_uva.fits ! AN table 1: 73 integrations on 78 of 78 possible baselines. ! AN table 2: 22 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.330499 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1740+5211 ! ! 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 3146 lines of history. ! ! Reading 9796 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 J1740+5211_X_2011_08_02_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 369 telescope corrections were flagged in sub-array 1. ! A total of 173 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 369 telescope corrections were flagged in sub-array 1. ! A total of 173 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 369 telescope corrections were flagged in sub-array 1. ! A total of 173 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 369 telescope corrections were flagged in sub-array 1. ! A total of 173 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.823085Jy sigma=0.009680 ! Fit after self-cal, rms=0.610545Jy sigma=0.007046 ! 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 0.449% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6529 mas, bmaj=1.859 mas, bpa=-4.464 degrees ! Estimated noise=1118.65 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 = 1.07145 Jy ! Component: 100 - total flux cleaned = 1.38685 Jy ! Total flux subtracted in 100 components = 1.38685 Jy ! Clean residual min=-0.049233 max=0.127165 Jy/beam ! Clean residual mean=-0.000647 rms=0.015862 Jy/beam ! Combined flux in latest and established models = 1.38685 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.38685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.347524Jy sigma=0.003889 ! Fit after self-cal, rms=0.347463Jy sigma=0.003888 ! Inverting map ! Your choice of large map pixels excluded 0.449% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.138501 Jy ! Component: 100 - total flux cleaned = 0.217157 Jy ! Total flux subtracted in 100 components = 0.217157 Jy ! Clean residual min=-0.042749 max=0.045644 Jy/beam ! Clean residual mean=-0.000341 rms=0.011124 Jy/beam ! Combined flux in latest and established models = 1.604 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 22 components and 1.604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262253Jy sigma=0.002837 ! Fit after self-cal, rms=0.262227Jy sigma=0.002836 ! Inverting map ! Your choice of large map pixels excluded 0.449% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 0.449% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.8954 mas, bmaj=2.315 mas, bpa=-4.226 degrees ! Estimated noise=632.099 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 = 0.0711349 Jy ! Component: 100 - total flux cleaned = 0.10601 Jy ! Component: 150 - total flux cleaned = 0.127099 Jy ! Component: 200 - total flux cleaned = 0.140159 Jy ! Total flux subtracted in 200 components = 0.140159 Jy ! Clean residual min=-0.059051 max=0.042317 Jy/beam ! Clean residual mean=-0.000022 rms=0.013167 Jy/beam ! Combined flux in latest and established models = 1.74416 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 38 components and 1.74416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243083Jy sigma=0.002624 ! Fit after self-cal, rms=0.243019Jy sigma=0.002624 ! Inverting map ! Your choice of large map pixels excluded 0.449% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.90 FT 1.00* HH 1.00* ! HN 1.06 KP 0.89 LA 0.98 MK 0.93 ! NL 0.96 OV 1.03 PT 1.02 TS 1.00* ! WZ 1.20 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.93 FT 1.00* HH 1.00* ! HN 1.07 KP 0.87 LA 1.00 MK 1.00* ! NL 1.03 OV 1.01 PT 1.05 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 FT 1.00* HH 1.00* ! HN 1.08 KP 0.88 LA 1.00 MK 0.98 ! NL 1.09 OV 1.05 PT 1.09 TS 1.00* ! WZ 1.19 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.95 FT 1.00* HH 1.00* ! HN 1.08 KP 0.86 LA 1.01 MK 1.00* ! NL 1.19 OV 1.04 PT 1.11 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.89 FT 1.00* HH 1.00* ! HN 1.07 KP 0.79 LA 1.00 MK 0.96 ! NL 1.05 OV 1.04 PT 1.03 TS 1.00* ! WZ 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.94 FT 1.00* HH 1.00* ! HN 1.11 KP 0.78 LA 1.01 MK 1.00* ! NL 1.12 OV 1.03 PT 1.06 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 FT 1.00* HH 1.00* ! HN 1.08 KP 0.85 LA 1.05 MK 1.03 ! NL 1.08 OV 1.10 PT 1.13 TS 1.00* ! WZ 1.21 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.01 FT 1.00* HH 1.00* ! HN 1.17 KP 0.85 LA 1.06 MK 1.00* ! NL 1.11 OV 1.07 PT 1.17 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.243019Jy sigma=0.002624 ! Fit after self-cal, rms=0.152379Jy sigma=0.001530 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.9184 mas, bmaj=2.304 mas, bpa=-3.717 degrees ! Estimated noise=632.563 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 = -0.0111122 Jy ! Component: 100 - total flux cleaned = -0.0116449 Jy ! Component: 150 - total flux cleaned = -0.012087 Jy ! Component: 200 - total flux cleaned = -0.0124853 Jy ! Total flux subtracted in 200 components = -0.0124853 Jy ! Clean residual min=-0.011400 max=0.010793 Jy/beam ! Clean residual mean=0.000008 rms=0.002589 Jy/beam ! Combined flux in latest and established models = 1.73168 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 1.73168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148562Jy sigma=0.001490 ! Fit after self-cal, rms=0.148594Jy sigma=0.001489 ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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=0.148594Jy sigma=0.001489 ! Fit after self-cal, rms=0.144036Jy sigma=0.001435 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.9189 mas, bmaj=2.327 mas, bpa=-3.772 degrees ! Estimated noise=632.937 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00995043 Jy ! Component: 100 - total flux cleaned = -0.00996158 Jy ! Component: 150 - total flux cleaned = -0.00972853 Jy ! Component: 200 - total flux cleaned = -0.00993335 Jy ! Total flux subtracted in 200 components = -0.00993335 Jy ! Clean residual min=-0.009010 max=0.006537 Jy/beam ! Clean residual mean=-0.000018 rms=0.001852 Jy/beam ! Combined flux in latest and established models = 1.72175 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 53 components and 1.72175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142628Jy sigma=0.001420 ! Fit after self-cal, rms=0.142647Jy sigma=0.001420 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 = -0.000165202 Jy ! Component: 100 - total flux cleaned = -0.00034069 Jy ! Component: 150 - total flux cleaned = -0.000502805 Jy ! Component: 200 - total flux cleaned = -0.000805487 Jy ! Total flux subtracted in 200 components = -0.000805487 Jy ! Clean residual min=-0.008328 max=0.006955 Jy/beam ! Clean residual mean=-0.000020 rms=0.001779 Jy/beam ! Combined flux in latest and established models = 1.72094 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 54 components and 1.72094 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142135Jy sigma=0.001415 ! Fit after self-cal, rms=0.142130Jy sigma=0.001415 ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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=0.142130Jy sigma=0.001415 ! Fit after self-cal, rms=0.142214Jy sigma=0.001412 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.9221 mas, bmaj=2.329 mas, bpa=-3.709 degrees ! Estimated noise=632.891 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00578384 Jy ! Component: 100 - total flux cleaned = -0.00596573 Jy ! Component: 150 - total flux cleaned = -0.00627799 Jy ! Component: 200 - total flux cleaned = -0.00642492 Jy ! Total flux subtracted in 200 components = -0.00642492 Jy ! Clean residual min=-0.007371 max=0.005138 Jy/beam ! Clean residual mean=-0.000017 rms=0.001538 Jy/beam ! Combined flux in latest and established models = 1.71451 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 1.71451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141637Jy sigma=0.001407 ! Fit after self-cal, rms=0.141640Jy sigma=0.001407 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 = -0.000256407 Jy ! Component: 100 - total flux cleaned = -0.000377498 Jy ! Component: 150 - total flux cleaned = -0.000493085 Jy ! Component: 200 - total flux cleaned = -0.000699345 Jy ! Total flux subtracted in 200 components = -0.000699345 Jy ! Clean residual min=-0.006919 max=0.005536 Jy/beam ! Clean residual mean=-0.000018 rms=0.001499 Jy/beam ! Combined flux in latest and established models = 1.71382 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 55 components and 1.71382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141378Jy sigma=0.001404 ! Fit after self-cal, rms=0.141376Jy sigma=0.001404 ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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=0.141376Jy sigma=0.001404 ! Fit after self-cal, rms=0.141521Jy sigma=0.001403 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=2.371 mas, bmaj=2.79 mas, bpa=-6.077 degrees ! Estimated noise=748.263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117542 Jy ! Component: 100 - total flux cleaned = -0.00117783 Jy ! Component: 150 - total flux cleaned = -0.00117696 Jy ! Component: 200 - total flux cleaned = -0.00117803 Jy ! Total flux subtracted in 200 components = -0.00117803 Jy ! Clean residual min=-0.004486 max=0.004106 Jy/beam ! Clean residual mean=-0.000020 rms=0.001319 Jy/beam ! Combined flux in latest and established models = 1.71264 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 60 components and 1.71264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141539Jy sigma=0.001403 ! Fit after self-cal, rms=0.141541Jy sigma=0.001403 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 = -3.60616e-05 Jy ! Component: 100 - total flux cleaned = -9.01279e-07 Jy ! Component: 150 - total flux cleaned = 2.77198e-05 Jy ! Component: 200 - total flux cleaned = 2.77795e-05 Jy ! Total flux subtracted in 200 components = 2.77795e-05 Jy ! Clean residual min=-0.004460 max=0.004118 Jy/beam ! Clean residual mean=-0.000020 rms=0.001310 Jy/beam ! Combined flux in latest and established models = 1.71266 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 61 components and 1.71266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141566Jy sigma=0.001404 ! Fit after self-cal, rms=0.141565Jy sigma=0.001404 ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.9245 mas, bmaj=2.331 mas, bpa=-3.678 degrees ! Estimated noise=632.925 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9245 x 2.331 at -3.678 degrees (North through East) ! Clean map min=-0.0063789 max=1.4939 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=0.141565Jy sigma=0.001404 ! Fit after self-cal, rms=0.130877Jy sigma=0.001291 ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.9239 mas, bmaj=2.332 mas, bpa=-3.688 degrees ! Estimated noise=632.346 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00365722 Jy ! Component: 100 - total flux cleaned = -0.00389986 Jy ! Component: 150 - total flux cleaned = -0.00401283 Jy ! Component: 200 - total flux cleaned = -0.00421402 Jy ! Total flux subtracted in 200 components = -0.00421402 Jy ! Clean residual min=-0.006470 max=0.004962 Jy/beam ! Clean residual mean=-0.000017 rms=0.001406 Jy/beam ! Combined flux in latest and established models = 1.70845 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 1.70845 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130600Jy sigma=0.001288 ! Fit after self-cal, rms=0.130598Jy sigma=0.001288 ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000184346 Jy ! Component: 100 - total flux cleaned = -0.000269641 Jy ! Component: 150 - total flux cleaned = -0.000356287 Jy ! Component: 200 - total flux cleaned = -0.000508733 Jy ! Total flux subtracted in 200 components = -0.000508733 Jy ! Clean residual min=-0.006281 max=0.004955 Jy/beam ! Clean residual mean=-0.000018 rms=0.001384 Jy/beam ! Combined flux in latest and established models = 1.70794 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 65 components and 1.70794 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130439Jy sigma=0.001287 ! Fit after self-cal, rms=0.130438Jy sigma=0.001287 ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130438Jy sigma=0.001287 ! Fit after self-cal, rms=0.130572Jy sigma=0.001286 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 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6883 mas, bmaj=1.87 mas, bpa=-4.042 degrees ! Estimated noise=1172.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.11722 Jy ! Component: 100 - total flux cleaned = 1.41472 Jy ! Component: 150 - total flux cleaned = 1.5361 Jy ! Component: 200 - total flux cleaned = 1.60002 Jy ! Total flux subtracted in 200 components = 1.60002 Jy ! Clean residual min=-0.013511 max=0.032137 Jy/beam ! Clean residual mean=-0.000190 rms=0.004199 Jy/beam ! Combined flux in latest and established models = 1.60002 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 26 model components to the UV plane model. ! The established model now contains 26 components and 1.60002 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.926 mas, bmaj=2.332 mas, bpa=-3.669 degrees ! Estimated noise=632.439 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 = 0.045659 Jy ! Component: 100 - total flux cleaned = 0.0703442 Jy ! Component: 150 - total flux cleaned = 0.0849874 Jy ! Component: 200 - total flux cleaned = 0.0938742 Jy ! Total flux subtracted in 200 components = 0.0938742 Jy ! Clean residual min=-0.006686 max=0.008845 Jy/beam ! Clean residual mean=-0.000041 rms=0.001618 Jy/beam ! Combined flux in latest and established models = 1.69389 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 53 components and 1.69389 Jy ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (1, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00855683 Jy ! Component: 100 - total flux cleaned = 0.0132135 Jy ! Component: 150 - total flux cleaned = 0.0145825 Jy ! Component: 200 - total flux cleaned = 0.0154862 Jy ! Total flux subtracted in 200 components = 0.0154862 Jy ! Clean residual min=-0.005625 max=0.005956 Jy/beam ! Clean residual mean=-0.000008 rms=0.001298 Jy/beam ! Combined flux in latest and established models = 1.70938 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 1.70938 Jy ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-1.2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00265034 Jy ! Component: 100 - total flux cleaned = 0.00282105 Jy ! Component: 150 - total flux cleaned = 0.00281578 Jy ! Component: 200 - total flux cleaned = 0.00271494 Jy ! Total flux subtracted in 200 components = 0.00271494 Jy ! Clean residual min=-0.005385 max=0.004035 Jy/beam ! Clean residual mean=-0.000004 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 1.71209 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 85 components and 1.71209 Jy ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.885 mas, bmaj=2.228 mas, bpa=-4.687 degrees ! Estimated noise=690.226 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000475826 Jy ! Component: 100 - total flux cleaned = 0.000485754 Jy ! Component: 150 - total flux cleaned = 0.000483071 Jy ! Component: 200 - total flux cleaned = 0.00057986 Jy ! Total flux subtracted in 200 components = 0.00057986 Jy ! Clean residual min=-0.005480 max=0.004638 Jy/beam ! Clean residual mean=-0.000004 rms=0.001284 Jy/beam ! Combined flux in latest and established models = 1.71267 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000188042 Jy ! Component: 100 - total flux cleaned = 0.000189308 Jy ! Component: 150 - total flux cleaned = 0.000280408 Jy ! Component: 200 - total flux cleaned = 0.000280652 Jy ! Total flux subtracted in 200 components = 0.000280652 Jy ! Clean residual min=-0.005319 max=0.004611 Jy/beam ! Clean residual mean=-0.000003 rms=0.001263 Jy/beam ! Combined flux in latest and established models = 1.71295 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 102 components and 1.71295 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131620Jy sigma=0.001290 ! Fit after self-cal, rms=0.131589Jy sigma=0.001289 wmodel J1740+5211_X_2011_08_02_pus_map.mod ! Writing 102 model components to file: J1740+5211_X_2011_08_02_pus_map.mod wobs J1740+5211_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1740+5211_X_2011_08_02_pus_uvs.fits wwins J1740+5211_X_2011_08_02_pus_map.win ! wwins: Wrote 3 windows to J1740+5211_X_2011_08_02_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 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00205934 Jy ! Component: 100 - total flux cleaned = -0.00342855 Jy ! Component: 150 - total flux cleaned = -0.00445547 Jy ! Component: 200 - total flux cleaned = -0.00504735 Jy ! Component: 250 - total flux cleaned = -0.00554425 Jy ! Component: 300 - total flux cleaned = -0.00622684 Jy ! Component: 350 - total flux cleaned = -0.00662481 Jy ! Component: 400 - total flux cleaned = -0.00714057 Jy ! Component: 450 - total flux cleaned = -0.00770176 Jy ! Component: 500 - total flux cleaned = -0.00818603 Jy ! Component: 550 - total flux cleaned = -0.00865907 Jy ! Component: 600 - total flux cleaned = -0.00929269 Jy ! Component: 650 - total flux cleaned = -0.00962935 Jy ! Component: 700 - total flux cleaned = -0.0100148 Jy ! Component: 750 - total flux cleaned = -0.0104471 Jy ! Component: 800 - total flux cleaned = -0.0109753 Jy ! Component: 850 - total flux cleaned = -0.0113363 Jy ! Component: 900 - total flux cleaned = -0.0115903 Jy ! Component: 950 - total flux cleaned = -0.0118902 Jy ! Component: 1000 - total flux cleaned = -0.0120862 Jy ! Component: 1050 - total flux cleaned = -0.0122791 Jy ! Component: 1100 - total flux cleaned = -0.0124207 Jy ! Component: 1150 - total flux cleaned = -0.0125612 Jy ! Component: 1200 - total flux cleaned = -0.0126068 Jy ! Component: 1250 - total flux cleaned = -0.0128781 Jy ! Component: 1300 - total flux cleaned = -0.0129665 Jy ! Component: 1350 - total flux cleaned = -0.0131002 Jy ! Component: 1400 - total flux cleaned = -0.013406 Jy ! Component: 1450 - total flux cleaned = -0.0135789 Jy ! Component: 1500 - total flux cleaned = -0.0140055 Jy ! Component: 1550 - total flux cleaned = -0.0140893 Jy ! Component: 1600 - total flux cleaned = -0.0142982 Jy ! Component: 1650 - total flux cleaned = -0.014463 Jy ! Component: 1700 - total flux cleaned = -0.0148307 Jy ! Component: 1750 - total flux cleaned = -0.0149924 Jy ! Component: 1800 - total flux cleaned = -0.0150727 Jy ! Component: 1850 - total flux cleaned = -0.0153108 Jy ! Component: 1900 - total flux cleaned = -0.0155066 Jy ! Component: 1950 - total flux cleaned = -0.015662 Jy ! Component: 2000 - total flux cleaned = -0.0158924 Jy ! Total flux subtracted in 2048 components = -0.0161209 Jy ! Clean residual min=-0.002121 max=0.002104 Jy/beam ! Clean residual mean=-0.000008 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 1.69683 Jy keep ! Adding 142 model components to the UV plane model. ! The established model now contains 244 components and 1.69683 Jy ![Exited script file: muppet] wmap "J1740+5211_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.885 x 2.228 at -4.687 degrees (North through East) ! Clean map min=-0.0034057 max=1.485 Jy/beam ! Writing clean map to FITS file: J1740+5211_X_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.48499 invert ! Inverting map ! Your choice of large map pixels excluded 0.456% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000712755 device "J1740+5211_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1740+5211_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.143992 0.143992 0.287984 0.575968 1.15194 2.30387 4.60775 9.21549 18.431 36.862 73.7239 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.484 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.885 x 2.228 at -4.687 degrees (North through East) ! Clean map min=-0.0034057 max=1.485 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1740+5211_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1740+5211_X_2011_08_02_pus_map.gif/vgif' mapplot cln