! Started logfile: J1522+3144_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:54:19 2012 obs J1522+3144_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1522+3144_X_2011_08_02_pus_uva.fits ! AN table 1: 204 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.235797 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1522+3144 ! ! 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 15008 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 J1522+3144_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 1373 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1373 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1373 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1373 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.787895Jy sigma=0.006946 ! Fit after self-cal, rms=0.699829Jy sigma=0.006348 ! 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 6.76% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.5515 mas, bmaj=0.9173 mas, bpa=-1.861 degrees ! Estimated noise=1124.83 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 = 0.241025 Jy ! Component: 100 - total flux cleaned = 0.319365 Jy ! Total flux subtracted in 100 components = 0.319365 Jy ! Clean residual min=-0.015012 max=0.032698 Jy/beam ! Clean residual mean=-0.000038 rms=0.004131 Jy/beam ! Combined flux in latest and established models = 0.319365 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.319365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183641Jy sigma=0.001481 ! Fit after self-cal, rms=0.183757Jy sigma=0.001480 ! Inverting map ! Your choice of large map pixels excluded 6.76% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0342227 Jy ! Component: 100 - total flux cleaned = 0.052047 Jy ! Total flux subtracted in 100 components = 0.052047 Jy ! Clean residual min=-0.013123 max=0.012598 Jy/beam ! Clean residual mean=-0.000048 rms=0.003012 Jy/beam ! Combined flux in latest and established models = 0.371412 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 23 components and 0.371412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178106Jy sigma=0.001402 ! Fit after self-cal, rms=0.178123Jy sigma=0.001402 ! Inverting map ! Your choice of large map pixels excluded 6.76% of the data. ! The y-axis pixel size should ideally be below 0.1688 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 6.76% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.7397 mas, bmaj=1.066 mas, bpa=19.68 degrees ! Estimated noise=654.594 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 = 0.00990709 Jy ! Component: 100 - total flux cleaned = 0.0143871 Jy ! Component: 150 - total flux cleaned = 0.0162185 Jy ! Component: 200 - total flux cleaned = 0.0165308 Jy ! Total flux subtracted in 200 components = 0.0165308 Jy ! Clean residual min=-0.015495 max=0.011191 Jy/beam ! Clean residual mean=-0.000921 rms=0.003723 Jy/beam ! Combined flux in latest and established models = 0.387943 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 0.387943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177730Jy sigma=0.001395 ! Fit after self-cal, rms=0.177747Jy sigma=0.001395 ! Inverting map ! Your choice of large map pixels excluded 6.76% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.89 FT 1.00* HH 0.97 ! HN 1.05 KP 0.85 LA 1.02 MK 0.92 ! NL 0.94 OV 0.97 PT 1.02 TS 1.00* ! WZ 1.07 ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.90 FT 1.00* HH 0.99 ! HN 1.11 KP 0.82 LA 1.05 MK 1.00 ! NL 1.08 OV 1.00 PT 1.08 TS 1.00* ! WZ 1.07 ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.87 FT 1.00* HH 1.03 ! HN 1.11 KP 0.74 LA 1.02 MK 0.98 ! NL 1.03 OV 0.99 PT 1.02 TS 1.00* ! WZ 0.98 ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.97 FT 1.00* HH 1.12 ! HN 1.12 KP 0.81 LA 1.11 MK 0.99 ! NL 1.06 OV 1.03 PT 1.12 TS 1.00* ! WZ 1.04 ! ! ! Fit before self-cal, rms=0.177747Jy sigma=0.001395 ! Fit after self-cal, rms=0.180941Jy sigma=0.001326 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.7479 mas, bmaj=1.069 mas, bpa=19.57 degrees ! Estimated noise=656.722 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 = -0.00144949 Jy ! Component: 100 - total flux cleaned = -0.00161195 Jy ! Component: 150 - total flux cleaned = -0.00160907 Jy ! Component: 200 - total flux cleaned = -0.00160942 Jy ! Total flux subtracted in 200 components = -0.00160942 Jy ! Clean residual min=-0.005124 max=0.006568 Jy/beam ! Clean residual mean=0.000006 rms=0.001654 Jy/beam ! Combined flux in latest and established models = 0.386334 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 28 components and 0.386334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180901Jy sigma=0.001326 ! Fit after self-cal, rms=0.180997Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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=0.180997Jy sigma=0.001325 ! Fit after self-cal, rms=0.180664Jy sigma=0.001320 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.7467 mas, bmaj=1.067 mas, bpa=19.75 degrees ! Estimated noise=655.807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000375309 Jy ! Component: 100 - total flux cleaned = 0.000521041 Jy ! Component: 150 - total flux cleaned = 0.000613362 Jy ! Component: 200 - total flux cleaned = 0.000640518 Jy ! Total flux subtracted in 200 components = 0.000640518 Jy ! Clean residual min=-0.002875 max=0.004962 Jy/beam ! Clean residual mean=0.000542 rms=0.001060 Jy/beam ! Combined flux in latest and established models = 0.386974 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 28 components and 0.386974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180652Jy sigma=0.001320 ! Fit after self-cal, rms=0.180629Jy sigma=0.001320 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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) ! Added new window around map position (-1.8, 9.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00411943 Jy ! Component: 100 - total flux cleaned = 0.00538431 Jy ! Component: 150 - total flux cleaned = 0.00542729 Jy ! Component: 200 - total flux cleaned = 0.00550694 Jy ! Total flux subtracted in 200 components = 0.00550694 Jy ! Clean residual min=-0.003151 max=0.004279 Jy/beam ! Clean residual mean=0.000424 rms=0.000943 Jy/beam ! Combined flux in latest and established models = 0.392481 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 39 components and 0.392481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180514Jy sigma=0.001319 ! Fit after self-cal, rms=0.180506Jy sigma=0.001319 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Added new window around map position (2.4, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00389467 Jy ! Component: 100 - total flux cleaned = 0.00563684 Jy ! Component: 150 - total flux cleaned = 0.00573862 Jy ! Component: 200 - total flux cleaned = 0.00587498 Jy ! Total flux subtracted in 200 components = 0.00587498 Jy ! Clean residual min=-0.003202 max=0.003898 Jy/beam ! Clean residual mean=0.000307 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.398356 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 52 components and 0.398356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180400Jy sigma=0.001318 ! Fit after self-cal, rms=0.180378Jy sigma=0.001318 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Added new window around map position (-19, -16.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00322023 Jy ! Component: 100 - total flux cleaned = 0.00414872 Jy ! Component: 150 - total flux cleaned = 0.00429209 Jy ! Component: 200 - total flux cleaned = 0.00442134 Jy ! Total flux subtracted in 200 components = 0.00442134 Jy ! Clean residual min=-0.003181 max=0.003915 Jy/beam ! Clean residual mean=0.000240 rms=0.000851 Jy/beam ! Combined flux in latest and established models = 0.402778 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 67 components and 0.402778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180315Jy sigma=0.001317 ! Fit after self-cal, rms=0.180302Jy sigma=0.001317 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Added new window around map position (6.6, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00327213 Jy ! Component: 100 - total flux cleaned = 0.00400423 Jy ! Component: 150 - total flux cleaned = 0.00417206 Jy ! Component: 200 - total flux cleaned = 0.00442003 Jy ! Total flux subtracted in 200 components = 0.00442003 Jy ! Clean residual min=-0.003113 max=0.003105 Jy/beam ! Clean residual mean=0.000165 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.407198 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 76 components and 0.407198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180222Jy sigma=0.001317 ! Fit after self-cal, rms=0.180217Jy sigma=0.001316 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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=0.180217Jy sigma=0.001316 ! Fit after self-cal, rms=0.179232Jy sigma=0.001315 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.7459 mas, bmaj=1.065 mas, bpa=19.99 degrees ! Estimated noise=655.45 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00172326 Jy ! Component: 100 - total flux cleaned = 0.00238145 Jy ! Component: 150 - total flux cleaned = 0.0026464 Jy ! Component: 200 - total flux cleaned = 0.0028078 Jy ! Total flux subtracted in 200 components = 0.0028078 Jy ! Clean residual min=-0.002850 max=0.002796 Jy/beam ! Clean residual mean=0.000132 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.410005 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 82 components and 0.410005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179201Jy sigma=0.001315 ! Fit after self-cal, rms=0.179181Jy sigma=0.001315 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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 = 0.000462371 Jy ! Component: 100 - total flux cleaned = 0.000574782 Jy ! Component: 150 - total flux cleaned = 0.000646148 Jy ! Component: 200 - total flux cleaned = 0.000714997 Jy ! Total flux subtracted in 200 components = 0.000714997 Jy ! Clean residual min=-0.002863 max=0.002698 Jy/beam ! Clean residual mean=0.000120 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.41072 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 88 components and 0.41072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179167Jy sigma=0.001315 ! Fit after self-cal, rms=0.179165Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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=0.179165Jy sigma=0.001315 ! Fit after self-cal, rms=0.179149Jy sigma=0.001315 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=2.618 mas, bmaj=3.316 mas, bpa=-59.85 degrees ! Estimated noise=778.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143876 Jy ! Component: 100 - total flux cleaned = 0.00230047 Jy ! Component: 150 - total flux cleaned = 0.00260502 Jy ! Component: 200 - total flux cleaned = 0.00268247 Jy ! Total flux subtracted in 200 components = 0.00268247 Jy ! Clean residual min=-0.003036 max=0.002504 Jy/beam ! Clean residual mean=0.000144 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.413403 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 98 components and 0.413403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179144Jy sigma=0.001315 ! Fit after self-cal, rms=0.179140Jy sigma=0.001315 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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 = 0.000537785 Jy ! Component: 100 - total flux cleaned = 0.000538251 Jy ! Component: 150 - total flux cleaned = 0.000515934 Jy ! Component: 200 - total flux cleaned = 0.000515008 Jy ! Total flux subtracted in 200 components = 0.000515008 Jy ! Clean residual min=-0.002994 max=0.002496 Jy/beam ! Clean residual mean=0.000127 rms=0.000798 Jy/beam ! Combined flux in latest and established models = 0.413918 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 102 components and 0.413918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179138Jy sigma=0.001315 ! Fit after self-cal, rms=0.179137Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.7459 mas, bmaj=1.065 mas, bpa=19.96 degrees ! Estimated noise=655.488 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7459 x 1.065 at 19.96 degrees (North through East) ! Clean map min=-0.0025499 max=0.3077 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.554 mas, bmaj=0.9201 mas, bpa=-2.427 degrees ! Estimated noise=1137.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.235254 Jy ! Component: 100 - total flux cleaned = 0.310724 Jy ! Component: 150 - total flux cleaned = 0.343055 Jy ! Component: 200 - total flux cleaned = 0.358805 Jy ! Total flux subtracted in 200 components = 0.358805 Jy ! Clean residual min=-0.006139 max=0.007780 Jy/beam ! Clean residual mean=0.000038 rms=0.001703 Jy/beam ! Combined flux in latest and established models = 0.358805 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 0.358805 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.7459 mas, bmaj=1.065 mas, bpa=19.96 degrees ! Estimated noise=655.488 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 = 0.0150436 Jy ! Component: 100 - total flux cleaned = 0.0227501 Jy ! Component: 150 - total flux cleaned = 0.0285103 Jy ! Component: 200 - total flux cleaned = 0.0331846 Jy ! Total flux subtracted in 200 components = 0.0331846 Jy ! Clean residual min=-0.003206 max=0.004743 Jy/beam ! Clean residual mean=0.000488 rms=0.000939 Jy/beam ! Combined flux in latest and established models = 0.39199 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 52 components and 0.39199 Jy ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Added new window around map position (-0.4, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00479715 Jy ! Component: 100 - total flux cleaned = 0.00827388 Jy ! Component: 150 - total flux cleaned = 0.0111618 Jy ! Component: 200 - total flux cleaned = 0.0136023 Jy ! Total flux subtracted in 200 components = 0.0136023 Jy ! Clean residual min=-0.002906 max=0.003249 Jy/beam ! Clean residual mean=0.000226 rms=0.000764 Jy/beam ! Combined flux in latest and established models = 0.405592 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 68 components and 0.405592 Jy ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 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 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! Estimated beam: bmin=0.6288 mas, bmaj=1.106 mas, bpa=38.12 degrees ! Estimated noise=772.947 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213117 Jy ! Component: 100 - total flux cleaned = 0.00327593 Jy ! Component: 150 - total flux cleaned = 0.00420529 Jy ! Component: 200 - total flux cleaned = 0.00503953 Jy ! Total flux subtracted in 200 components = 0.00503953 Jy ! Clean residual min=-0.003122 max=0.003438 Jy/beam ! Clean residual mean=0.000172 rms=0.000831 Jy/beam ! Combined flux in latest and established models = 0.410632 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000510567 Jy ! Component: 100 - total flux cleaned = 0.000925842 Jy ! Component: 150 - total flux cleaned = 0.00125848 Jy ! Component: 200 - total flux cleaned = 0.00162484 Jy ! Total flux subtracted in 200 components = 0.00162484 Jy ! Clean residual min=-0.003127 max=0.003422 Jy/beam ! Clean residual mean=0.000130 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.412256 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 93 components and 0.412256 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179207Jy sigma=0.001315 ! Fit after self-cal, rms=0.179177Jy sigma=0.001315 wmodel J1522+3144_X_2011_08_02_pus_map.mod ! Writing 93 model components to file: J1522+3144_X_2011_08_02_pus_map.mod wobs J1522+3144_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1522+3144_X_2011_08_02_pus_uvs.fits wwins J1522+3144_X_2011_08_02_pus_map.win ! wwins: Wrote 6 windows to J1522+3144_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 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00046558 Jy ! Component: 100 - total flux cleaned = 0.00074944 Jy ! Component: 150 - total flux cleaned = 0.00102304 Jy ! Component: 200 - total flux cleaned = 0.00144739 Jy ! Component: 250 - total flux cleaned = 0.00170485 Jy ! Component: 300 - total flux cleaned = 0.00210792 Jy ! Component: 350 - total flux cleaned = 0.00250195 Jy ! Component: 400 - total flux cleaned = 0.00279218 Jy ! Component: 450 - total flux cleaned = 0.00312463 Jy ! Component: 500 - total flux cleaned = 0.00340387 Jy ! Component: 550 - total flux cleaned = 0.0036784 Jy ! Component: 600 - total flux cleaned = 0.00394896 Jy ! Component: 650 - total flux cleaned = 0.00425957 Jy ! Component: 700 - total flux cleaned = 0.00452136 Jy ! Component: 750 - total flux cleaned = 0.00473628 Jy ! Component: 800 - total flux cleaned = 0.004948 Jy ! Component: 850 - total flux cleaned = 0.00503154 Jy ! Component: 900 - total flux cleaned = 0.00523811 Jy ! Component: 950 - total flux cleaned = 0.00544079 Jy ! Component: 1000 - total flux cleaned = 0.00548133 Jy ! Component: 1050 - total flux cleaned = 0.00567957 Jy ! Component: 1100 - total flux cleaned = 0.00575758 Jy ! Component: 1150 - total flux cleaned = 0.0057578 Jy ! Component: 1200 - total flux cleaned = 0.0059875 Jy ! Component: 1250 - total flux cleaned = 0.00610029 Jy ! Component: 1300 - total flux cleaned = 0.0061374 Jy ! Component: 1350 - total flux cleaned = 0.00624809 Jy ! Component: 1400 - total flux cleaned = 0.00639423 Jy ! Component: 1450 - total flux cleaned = 0.00650214 Jy ! Component: 1500 - total flux cleaned = 0.00660944 Jy ! Component: 1550 - total flux cleaned = 0.00668056 Jy ! Component: 1600 - total flux cleaned = 0.00678576 Jy ! Component: 1650 - total flux cleaned = 0.00685534 Jy ! Component: 1700 - total flux cleaned = 0.006993 Jy ! Component: 1750 - total flux cleaned = 0.00702683 Jy ! Component: 1800 - total flux cleaned = 0.00706065 Jy ! Component: 1850 - total flux cleaned = 0.00709443 Jy ! Component: 1900 - total flux cleaned = 0.00719407 Jy ! Component: 1950 - total flux cleaned = 0.00726002 Jy ! Component: 2000 - total flux cleaned = 0.00729248 Jy ! Total flux subtracted in 2048 components = 0.00742164 Jy ! Clean residual min=-0.001722 max=0.001822 Jy/beam ! Clean residual mean=-0.000007 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 0.419678 Jy keep ! Adding 129 model components to the UV plane model. ! The established model now contains 222 components and 0.419678 Jy ![Exited script file: muppet] wmap "J1522+3144_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6288 x 1.106 at 38.12 degrees (North through East) ! Clean map min=-0.0029525 max=0.31265 Jy/beam ! Writing clean map to FITS file: J1522+3144_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 0.312646 invert ! Inverting map ! Your choice of large map pixels excluded 6.66% of the data. ! The y-axis pixel size should ideally be below 0.1688 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000551942 device "J1522+3144_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1522+3144_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.529616 0.529616 1.05923 2.11846 4.23693 8.47385 16.9477 33.8954 67.7908 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.312 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6288 x 1.106 at 38.12 degrees (North through East) ! Clean map min=-0.0029525 max=0.31265 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1522+3144_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1522+3144_X_2011_08_02_pus_map.gif/vgif' mapplot cln