! Started logfile: J1957-3845_X_2013_01_09_pus_uvs.log on Mon Nov 3 15:56:00 2014 obs J1957-3845_X_2013_01_09_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2013_01_09_pus_uva.fits ! AN table 1: Unused. ! AN table 2: 39 integrations on 120 of 120 possible baselines. ! AN table 3: 30 integrations on 120 of 120 possible baselines. ! AN table 4: Unused. ! AN table 5: Unused. ! Apparent sampling: 0.106763 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 2994 lines of history. ! ! Reading 3536 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 J1957-3845_X_2013_01_09_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 411 telescope corrections were flagged in sub-array 1. ! A total of 328 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 411 telescope corrections were flagged in sub-array 1. ! A total of 328 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 411 telescope corrections were flagged in sub-array 1. ! A total of 328 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 411 telescope corrections were flagged in sub-array 1. ! A total of 328 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.645853Jy sigma=0.004648 ! Fit after self-cal, rms=0.623642Jy sigma=0.004457 ! 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 0.566% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.6974 mas, bmaj=2.264 mas, bpa=0.649 degrees ! Estimated noise=2218.6 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 = 0.866733 Jy ! Component: 100 - total flux cleaned = 1.10964 Jy ! Total flux subtracted in 100 components = 1.10964 Jy ! Clean residual min=-0.078122 max=0.108308 Jy/beam ! Clean residual mean=0.004112 rms=0.028651 Jy/beam ! Combined flux in latest and established models = 1.10964 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.10964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.561177Jy sigma=0.003947 ! Fit after self-cal, rms=0.561138Jy sigma=0.003947 ! Inverting map ! Your choice of large map pixels excluded 0.566% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.566% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8986 mas, bmaj=3.048 mas, bpa=-2.577 degrees ! Estimated noise=1557.54 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 = 0.289855 Jy ! Component: 100 - total flux cleaned = 0.43381 Jy ! Component: 150 - total flux cleaned = 0.512038 Jy ! Component: 200 - total flux cleaned = 0.554804 Jy ! Total flux subtracted in 200 components = 0.554804 Jy ! Clean residual min=-0.107775 max=0.061869 Jy/beam ! Clean residual mean=-0.011133 rms=0.031403 Jy/beam ! Combined flux in latest and established models = 1.66444 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 36 components and 1.66444 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380076Jy sigma=0.002635 ! Fit after self-cal, rms=0.379779Jy sigma=0.002631 ! Inverting map ! Your choice of large map pixels excluded 0.566% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KP 0.79 LA 1.03 MC 1.00* MK 0.96 ! NL 1.00* NY 1.00* OV 1.04 PT 1.05 ! SC 0.99 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.88 HH 1.00* HN 1.00* ! KP 0.76 LA 1.13 MC 1.00* MK 1.00* ! NL 1.22 NY 1.00* OV 1.00* PT 1.07 ! SC 1.07 TS 1.00* WF 0.99 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.00* ! KP 0.79 LA 1.06 MC 1.00* MK 1.01 ! NL 1.00* NY 1.00* OV 1.06 PT 1.13 ! SC 1.10 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 HH 1.00* HN 1.00* ! KP 0.74 LA 1.21 MC 1.00* MK 1.00* ! NL 1.43 NY 1.00* OV 1.00* PT 1.13 ! SC 1.12 TS 1.00* WF 1.06 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KP 0.67 LA 1.05 MC 1.00* MK 1.01 ! NL 1.00* NY 1.00* OV 1.07 PT 1.04 ! SC 0.97 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.89 HH 1.00* HN 1.00* ! KP 0.65 LA 1.21 MC 1.00* MK 1.00* ! NL 1.43 NY 1.00* OV 1.00* PT 1.06 ! SC 1.02 TS 1.00* WF 1.07 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.09 HH 1.00* HN 1.00* ! KP 0.72 LA 1.12 MC 1.00* MK 1.05 ! NL 1.00* NY 1.00* OV 1.10 PT 1.17 ! SC 1.09 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KP 0.73 LA 1.28 MC 1.00* MK 1.00* ! NL 1.50 NY 1.00* OV 1.00* PT 1.13 ! SC 1.13 TS 1.00* WF 1.16 WZ 1.00* ! ! ! Fit before self-cal, rms=0.379779Jy sigma=0.002631 ! Fit after self-cal, rms=0.231466Jy sigma=0.001512 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.9058 mas, bmaj=3.092 mas, bpa=-1.664 degrees ! Estimated noise=1620.65 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102063 Jy ! Component: 100 - total flux cleaned = 0.000286388 Jy ! Component: 150 - total flux cleaned = -0.000373634 Jy ! Component: 200 - total flux cleaned = -0.000977583 Jy ! Total flux subtracted in 200 components = -0.000977583 Jy ! Clean residual min=-0.019581 max=0.026018 Jy/beam ! Clean residual mean=0.000221 rms=0.006056 Jy/beam ! Combined flux in latest and established models = 1.66347 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 44 components and 1.66347 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230409Jy sigma=0.001504 ! Fit after self-cal, rms=0.230854Jy sigma=0.001501 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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=0.230854Jy sigma=0.001501 ! Fit after self-cal, rms=0.230461Jy sigma=0.001496 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.9044 mas, bmaj=3.085 mas, bpa=-1.609 degrees ! Estimated noise=1619.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187154 Jy ! Component: 100 - total flux cleaned = 0.000751915 Jy ! Component: 150 - total flux cleaned = 0.000235356 Jy ! Component: 200 - total flux cleaned = -6.75695e-06 Jy ! Total flux subtracted in 200 components = -6.75695e-06 Jy ! Clean residual min=-0.018951 max=0.023512 Jy/beam ! Clean residual mean=0.000218 rms=0.005713 Jy/beam ! Combined flux in latest and established models = 1.66346 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 46 components and 1.66346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229732Jy sigma=0.001492 ! Fit after self-cal, rms=0.229777Jy sigma=0.001491 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 = -0.000134923 Jy ! Component: 100 - total flux cleaned = -0.000834897 Jy ! Component: 150 - total flux cleaned = -0.00104793 Jy ! Component: 200 - total flux cleaned = -0.00147341 Jy ! Total flux subtracted in 200 components = -0.00147341 Jy ! Clean residual min=-0.018586 max=0.023858 Jy/beam ! Clean residual mean=0.000303 rms=0.005615 Jy/beam ! Combined flux in latest and established models = 1.66199 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 1.66199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229281Jy sigma=0.001488 ! Fit after self-cal, rms=0.229311Jy sigma=0.001488 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Added new window around map position (-2.8, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216026 Jy ! Component: 100 - total flux cleaned = 0.0217261 Jy ! Component: 150 - total flux cleaned = 0.0198902 Jy ! Component: 200 - total flux cleaned = 0.0186394 Jy ! Total flux subtracted in 200 components = 0.0186394 Jy ! Clean residual min=-0.017316 max=0.011861 Jy/beam ! Clean residual mean=-0.000868 rms=0.004184 Jy/beam ! Combined flux in latest and established models = 1.68063 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 66 components and 1.68063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226870Jy sigma=0.001468 ! Fit after self-cal, rms=0.226601Jy sigma=0.001466 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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=0.226601Jy sigma=0.001466 ! Fit after self-cal, rms=0.225403Jy sigma=0.001405 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.9009 mas, bmaj=3.07 mas, bpa=-1.519 degrees ! Estimated noise=1611.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103556 Jy ! Component: 100 - total flux cleaned = 0.0121855 Jy ! Component: 150 - total flux cleaned = 0.0124058 Jy ! Component: 200 - total flux cleaned = 0.0130123 Jy ! Total flux subtracted in 200 components = 0.0130123 Jy ! Clean residual min=-0.014467 max=0.010592 Jy/beam ! Clean residual mean=-0.000444 rms=0.003432 Jy/beam ! Combined flux in latest and established models = 1.69364 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 85 components and 1.69364 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224471Jy sigma=0.001397 ! Fit after self-cal, rms=0.224347Jy sigma=0.001396 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 = 0.00220603 Jy ! Component: 100 - total flux cleaned = 0.00222256 Jy ! Component: 150 - total flux cleaned = 0.00185241 Jy ! Component: 200 - total flux cleaned = 0.00185341 Jy ! Total flux subtracted in 200 components = 0.00185341 Jy ! Clean residual min=-0.014905 max=0.010109 Jy/beam ! Clean residual mean=-0.000557 rms=0.003376 Jy/beam ! Combined flux in latest and established models = 1.69549 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 95 components and 1.69549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223879Jy sigma=0.001394 ! Fit after self-cal, rms=0.223798Jy sigma=0.001393 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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=0.223798Jy sigma=0.001393 ! Fit after self-cal, rms=0.223465Jy sigma=0.001392 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=2.656 mas, bmaj=7.221 mas, bpa=-0.08255 degrees ! Estimated noise=2077.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513249 Jy ! Component: 100 - total flux cleaned = 0.00515452 Jy ! Component: 150 - total flux cleaned = 0.00516972 Jy ! Component: 200 - total flux cleaned = 0.00500365 Jy ! Total flux subtracted in 200 components = 0.00500365 Jy ! Clean residual min=-0.010772 max=0.008645 Jy/beam ! Clean residual mean=-0.000559 rms=0.003251 Jy/beam ! Combined flux in latest and established models = 1.70049 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 98 components and 1.70049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223011Jy sigma=0.001391 ! Fit after self-cal, rms=0.222771Jy sigma=0.001390 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 = 0.00125086 Jy ! Component: 100 - total flux cleaned = 0.00101629 Jy ! Component: 150 - total flux cleaned = 0.000811912 Jy ! Component: 200 - total flux cleaned = 0.000625448 Jy ! Total flux subtracted in 200 components = 0.000625448 Jy ! Clean residual min=-0.010519 max=0.007915 Jy/beam ! Clean residual mean=-0.000646 rms=0.003195 Jy/beam ! Combined flux in latest and established models = 1.70112 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 99 components and 1.70112 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222509Jy sigma=0.001390 ! Fit after self-cal, rms=0.222320Jy sigma=0.001389 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8994 mas, bmaj=3.065 mas, bpa=-1.523 degrees ! Estimated noise=1607.99 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8994 x 3.065 at -1.523 degrees (North through East) ! Clean map min=-0.011447 max=1.2186 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=0.222320Jy sigma=0.001389 ! Fit after self-cal, rms=0.196417Jy sigma=0.001031 ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.9009 mas, bmaj=3.068 mas, bpa=-1.537 degrees ! Estimated noise=1610.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00477091 Jy ! Component: 100 - total flux cleaned = 0.00476864 Jy ! Component: 150 - total flux cleaned = 0.0046012 Jy ! Component: 200 - total flux cleaned = 0.00445563 Jy ! Total flux subtracted in 200 components = 0.00445563 Jy ! Clean residual min=-0.011368 max=0.007457 Jy/beam ! Clean residual mean=-0.000303 rms=0.002776 Jy/beam ! Combined flux in latest and established models = 1.70558 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 109 components and 1.70558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195909Jy sigma=0.001028 ! Fit after self-cal, rms=0.195894Jy sigma=0.001027 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101965 Jy ! Component: 100 - total flux cleaned = 0.000712601 Jy ! Component: 150 - total flux cleaned = 0.000569914 Jy ! Component: 200 - total flux cleaned = 0.000433478 Jy ! Total flux subtracted in 200 components = 0.000433478 Jy ! Clean residual min=-0.011399 max=0.007422 Jy/beam ! Clean residual mean=-0.000329 rms=0.002755 Jy/beam ! Combined flux in latest and established models = 1.70601 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 119 components and 1.70601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195545Jy sigma=0.001026 ! Fit after self-cal, rms=0.195531Jy sigma=0.001025 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195531Jy sigma=0.001025 ! Fit after self-cal, rms=0.195426Jy sigma=0.001025 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 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.6884 mas, bmaj=2.222 mas, bpa=1.503 degrees ! Estimated noise=2322.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.865273 Jy ! Component: 100 - total flux cleaned = 1.12357 Jy ! Component: 150 - total flux cleaned = 1.27402 Jy ! Component: 200 - total flux cleaned = 1.3733 Jy ! Total flux subtracted in 200 components = 1.3733 Jy ! Clean residual min=-0.026078 max=0.076337 Jy/beam ! Clean residual mean=0.004171 rms=0.012993 Jy/beam ! Combined flux in latest and established models = 1.3733 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.3733 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.9003 mas, bmaj=3.065 mas, bpa=-1.535 degrees ! Estimated noise=1608.73 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.151013 Jy ! Component: 100 - total flux cleaned = 0.221467 Jy ! Component: 150 - total flux cleaned = 0.260053 Jy ! Component: 200 - total flux cleaned = 0.283425 Jy ! Total flux subtracted in 200 components = 0.283425 Jy ! Clean residual min=-0.007016 max=0.017341 Jy/beam ! Clean residual mean=0.002826 rms=0.004361 Jy/beam ! Combined flux in latest and established models = 1.65672 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 74 components and 1.65672 Jy ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=2.653 mas, bmaj=7.209 mas, bpa=-0.05094 degrees ! Estimated noise=2077.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0228619 Jy ! Component: 100 - total flux cleaned = 0.0335904 Jy ! Component: 150 - total flux cleaned = 0.0392617 Jy ! Component: 200 - total flux cleaned = 0.0416922 Jy ! Total flux subtracted in 200 components = 0.0416922 Jy ! Clean residual min=-0.007203 max=0.008074 Jy/beam ! Clean residual mean=0.000609 rms=0.002528 Jy/beam ! Combined flux in latest and established models = 1.69841 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 = 0.000532431 Jy ! Component: 100 - total flux cleaned = 0.000829163 Jy ! Component: 150 - total flux cleaned = 0.00110801 Jy ! Component: 200 - total flux cleaned = 0.00137156 Jy ! Total flux subtracted in 200 components = 0.00137156 Jy ! Clean residual min=-0.007140 max=0.007187 Jy/beam ! Clean residual mean=0.000465 rms=0.002396 Jy/beam ! Combined flux in latest and established models = 1.69979 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 114 components and 1.69979 Jy ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.9003 mas, bmaj=3.065 mas, bpa=-1.535 degrees ! Estimated noise=1608.73 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00190195 Jy ! Component: 100 - total flux cleaned = -0.00191524 Jy ! Component: 150 - total flux cleaned = -0.00191291 Jy ! Component: 200 - total flux cleaned = -0.00177893 Jy ! Total flux subtracted in 200 components = -0.00177893 Jy ! Clean residual min=-0.008438 max=0.009795 Jy/beam ! Clean residual mean=0.000362 rms=0.002229 Jy/beam ! Combined flux in latest and established models = 1.69801 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 128 components and 1.69801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192644Jy sigma=0.001015 ! Fit after self-cal, rms=0.192228Jy sigma=0.001010 wmodel J1957-3845_X_2013_01_09_pus_map.mod ! Writing 128 model components to file: J1957-3845_X_2013_01_09_pus_map.mod wobs J1957-3845_X_2013_01_09_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2013_01_09_pus_uvs.fits wwins J1957-3845_X_2013_01_09_pus_map.win ! wwins: Wrote 3 windows to J1957-3845_X_2013_01_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00313497 Jy ! Component: 100 - total flux cleaned = -0.00282182 Jy ! Component: 150 - total flux cleaned = -0.00234722 Jy ! Component: 200 - total flux cleaned = -0.00163347 Jy ! Component: 250 - total flux cleaned = -0.00128988 Jy ! Component: 300 - total flux cleaned = -0.000877318 Jy ! Component: 350 - total flux cleaned = -0.000475111 Jy ! Component: 400 - total flux cleaned = -5.83615e-06 Jy ! Component: 450 - total flux cleaned = 0.000525631 Jy ! Component: 500 - total flux cleaned = 0.000896396 Jy ! Component: 550 - total flux cleaned = 0.00125766 Jy ! Component: 600 - total flux cleaned = 0.00154084 Jy ! Component: 650 - total flux cleaned = 0.00195454 Jy ! Component: 700 - total flux cleaned = 0.00222344 Jy ! Component: 750 - total flux cleaned = 0.00255319 Jy ! Component: 800 - total flux cleaned = 0.00274702 Jy ! Component: 850 - total flux cleaned = 0.00293786 Jy ! Component: 900 - total flux cleaned = 0.00312519 Jy ! Component: 950 - total flux cleaned = 0.00337008 Jy ! Component: 1000 - total flux cleaned = 0.00343052 Jy ! Total flux subtracted in 1024 components = 0.00343079 Jy ! Clean residual min=-0.003183 max=0.002969 Jy/beam ! Clean residual mean=0.000168 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 1.70144 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 192 components and 1.70144 Jy ![Exited script file: muppet] wmap "J1957-3845_X_2013_01_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9003 x 3.065 at -1.535 degrees (North through East) ! Clean map min=-0.0069779 max=1.2448 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2013_01_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.24484 invert ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00132439 device "J1957-3845_X_2013_01_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2013_01_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.319171 0.319171 0.638342 1.27668 2.55337 5.10673 10.2135 20.4269 40.8539 81.7077 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0039 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.244 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9003 x 3.065 at -1.535 degrees (North through East) ! Clean map min=-0.0069779 max=1.2448 Jy/beam quit ! Quitting program ! Log file J1957-3845_X_2013_01_09_pus_uvs.log closed on Mon Nov 3 15:56:01 2014