! Started logfile: J1302+5748_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:18:15 2010 obs J1302+5748_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1302+5748_X_2008_07_09_pus_uva.fits ! AN table 1: 252 integrations on 105 of 105 possible baselines. ! AN table 2: 257 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.166096 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1302+5748 ! ! 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 1142 lines of history. ! ! Reading 35508 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 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 2275 telescope corrections were flagged in sub-array 1. ! A total of 2462 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2275 telescope corrections were flagged in sub-array 1. ! A total of 2462 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2275 telescope corrections were flagged in sub-array 1. ! A total of 2462 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2275 telescope corrections were flagged in sub-array 1. ! A total of 2462 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.853985Jy sigma=0.005919 ! Fit after self-cal, rms=0.692289Jy sigma=0.004963 ! 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 15.8% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.5007 mas, bmaj=0.9744 mas, bpa=-18.64 degrees ! Estimated noise=1213.49 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 = 0.269028 Jy ! Component: 100 - total flux cleaned = 0.328241 Jy ! Total flux subtracted in 100 components = 0.328241 Jy ! Clean residual min=-0.009438 max=0.019621 Jy/beam ! Clean residual mean=0.000138 rms=0.002914 Jy/beam ! Combined flux in latest and established models = 0.328241 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.328241 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215237Jy sigma=0.001252 ! Fit after self-cal, rms=0.215421Jy sigma=0.001252 ! Inverting map ! Your choice of large map pixels excluded 15.8% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0217167 Jy ! Component: 100 - total flux cleaned = 0.0335305 Jy ! Total flux subtracted in 100 components = 0.0335305 Jy ! Clean residual min=-0.008376 max=0.011430 Jy/beam ! Clean residual mean=0.000068 rms=0.002309 Jy/beam ! Combined flux in latest and established models = 0.361772 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.361772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213244Jy sigma=0.001227 ! Fit after self-cal, rms=0.213227Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 15.8% of the data. ! The x-axis pixel size should ideally be below 0.161 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 15.8% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.599 mas, bmaj=1.114 mas, bpa=-14.94 degrees ! Estimated noise=566.37 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 (0.2, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0101841 Jy ! Component: 100 - total flux cleaned = 0.0159622 Jy ! Component: 150 - total flux cleaned = 0.0178023 Jy ! Component: 200 - total flux cleaned = 0.0183738 Jy ! Total flux subtracted in 200 components = 0.0183738 Jy ! Clean residual min=-0.005776 max=0.007291 Jy/beam ! Clean residual mean=0.000169 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 0.380145 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 19 components and 0.380145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212799Jy sigma=0.001221 ! Fit after self-cal, rms=0.212771Jy sigma=0.001221 ! Inverting map ! Your choice of large map pixels excluded 15.8% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.02 HH 1.00* HN 1.19 ! KK 1.15 KP 1.00 LA 0.97 MK 0.98 ! NL 0.97 NY 0.86 ON 0.97 PT 0.96 ! SC 0.96 WZ 0.99 ZC 1.03 ! ! A total of 114 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00* HH 1.00* HN 1.00* ! KK 1.08 KP 1.06 LA 1.00* MK 0.96 ! NL 1.00* NY 1.00 ON 0.98 PT 1.06 ! SC 1.00* WZ 0.99 ZC 1.04 ! ! ! Correcting IF 2. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HH 1.00* HN 1.10 ! KK 1.13 KP 0.95 LA 0.96 MK 0.98 ! NL 0.98 NY 0.94 ON 0.92 PT 0.97 ! SC 0.97 WZ 0.99 ZC 1.08 ! ! A total of 114 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00* HH 1.00* HN 1.00* ! KK 1.07 KP 0.99 LA 1.00* MK 1.00 ! NL 1.00* NY 1.03 ON 0.98 PT 1.08 ! SC 1.00* WZ 1.01 ZC 1.00 ! ! ! Correcting IF 3. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.10 ! KK 1.07 KP 0.98 LA 0.99 MK 0.97 ! NL 1.02 NY 0.95 ON 0.93 PT 0.97 ! SC 1.01 WZ 0.98 ZC 1.00 ! ! A total of 114 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00* HH 1.00* HN 1.00* ! KK 1.06 KP 1.02 LA 1.00* MK 1.02 ! NL 1.00* NY 0.94 ON 0.99 PT 1.05 ! SC 1.00* WZ 1.00 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HH 1.00* HN 1.06 ! KK 1.10 KP 0.98 LA 0.97 MK 0.98 ! NL 1.00 NY 1.00 ON 0.93 PT 1.03 ! SC 1.02 WZ 0.95 ZC 0.98 ! ! A total of 114 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00* HH 1.00* HN 1.00* ! KK 1.02 KP 1.03 LA 1.00* MK 1.02 ! NL 1.00* NY 1.03 ON 1.17 PT 1.11 ! SC 1.00* WZ 1.00 ZC 1.03 ! ! ! Fit before self-cal, rms=0.212771Jy sigma=0.001221 ! Fit after self-cal, rms=0.216220Jy sigma=0.001215 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.6071 mas, bmaj=1.112 mas, bpa=-14.47 degrees ! Estimated noise=567.906 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 = -0.000349726 Jy ! Component: 100 - total flux cleaned = -0.000344307 Jy ! Component: 150 - total flux cleaned = -0.00034343 Jy ! Component: 200 - total flux cleaned = -0.000226532 Jy ! Total flux subtracted in 200 components = -0.000226532 Jy ! Clean residual min=-0.002998 max=0.003250 Jy/beam ! Clean residual mean=0.000035 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.379919 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 0.379919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216166Jy sigma=0.001215 ! Fit after self-cal, rms=0.216363Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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=0.216363Jy sigma=0.001215 ! Fit after self-cal, rms=0.213289Jy sigma=0.001212 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.6067 mas, bmaj=1.109 mas, bpa=-14.55 degrees ! Estimated noise=567.381 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000708971 Jy ! Component: 100 - total flux cleaned = 0.000542316 Jy ! Component: 150 - total flux cleaned = 0.000353879 Jy ! Component: 200 - total flux cleaned = 0.000231226 Jy ! Total flux subtracted in 200 components = 0.000231226 Jy ! Clean residual min=-0.002901 max=0.002740 Jy/beam ! Clean residual mean=0.000058 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.38015 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 33 components and 0.38015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213258Jy sigma=0.001212 ! Fit after self-cal, rms=0.213254Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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 = -4.30564e-05 Jy ! Component: 100 - total flux cleaned = -0.000111472 Jy ! Component: 150 - total flux cleaned = -0.000110448 Jy ! Component: 200 - total flux cleaned = -0.000139845 Jy ! Total flux subtracted in 200 components = -0.000139845 Jy ! Clean residual min=-0.002851 max=0.002672 Jy/beam ! Clean residual mean=0.000057 rms=0.000695 Jy/beam ! Combined flux in latest and established models = 0.38001 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 38 components and 0.38001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213244Jy sigma=0.001212 ! Fit after self-cal, rms=0.213235Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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=0.213235Jy sigma=0.001212 ! Fit after self-cal, rms=0.213104Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.6066 mas, bmaj=1.108 mas, bpa=-14.63 degrees ! Estimated noise=567.192 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.71336e-05 Jy ! Component: 100 - total flux cleaned = 6.71575e-05 Jy ! Component: 150 - total flux cleaned = 6.75637e-05 Jy ! Component: 200 - total flux cleaned = 6.75027e-05 Jy ! Total flux subtracted in 200 components = 6.75027e-05 Jy ! Clean residual min=-0.002815 max=0.002656 Jy/beam ! Clean residual mean=0.000056 rms=0.000686 Jy/beam ! Combined flux in latest and established models = 0.380078 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 42 components and 0.380078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213095Jy sigma=0.001212 ! Fit after self-cal, rms=0.213093Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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 = 8.30012e-05 Jy ! Component: 100 - total flux cleaned = 5.87112e-05 Jy ! Component: 150 - total flux cleaned = 5.96613e-05 Jy ! Component: 200 - total flux cleaned = 3.76811e-05 Jy ! Total flux subtracted in 200 components = 3.76811e-05 Jy ! Clean residual min=-0.002773 max=0.002660 Jy/beam ! Clean residual mean=0.000056 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.380115 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 43 components and 0.380115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213089Jy sigma=0.001212 ! Fit after self-cal, rms=0.213085Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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=0.213085Jy sigma=0.001212 ! Fit after self-cal, rms=0.213031Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=2.183 mas, bmaj=2.861 mas, bpa=1.139 degrees ! Estimated noise=890.448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120724 Jy ! Component: 100 - total flux cleaned = 0.00120739 Jy ! Component: 150 - total flux cleaned = 0.00123274 Jy ! Component: 200 - total flux cleaned = 0.00125481 Jy ! Total flux subtracted in 200 components = 0.00125481 Jy ! Clean residual min=-0.002843 max=0.003993 Jy/beam ! Clean residual mean=0.000177 rms=0.001072 Jy/beam ! Combined flux in latest and established models = 0.38137 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 46 components and 0.38137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213040Jy sigma=0.001212 ! Fit after self-cal, rms=0.213052Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.24691e-05 Jy ! Component: 100 - total flux cleaned = 0.000110746 Jy ! Component: 150 - total flux cleaned = 0.000110348 Jy ! Component: 200 - total flux cleaned = 0.000111232 Jy ! Total flux subtracted in 200 components = 0.000111232 Jy ! Clean residual min=-0.002900 max=0.003911 Jy/beam ! Clean residual mean=0.000174 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.381481 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 48 components and 0.381481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213061Jy sigma=0.001212 ! Fit after self-cal, rms=0.213065Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.6066 mas, bmaj=1.107 mas, bpa=-14.68 degrees ! Estimated noise=567.016 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6066 x 1.107 at -14.68 degrees (North through East) ! Clean map min=-0.0024188 max=0.34777 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 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.5048 mas, bmaj=0.9598 mas, bpa=-18.64 degrees ! Estimated noise=1242.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.267165 Jy ! Component: 100 - total flux cleaned = 0.325788 Jy ! Component: 150 - total flux cleaned = 0.347278 Jy ! Component: 200 - total flux cleaned = 0.359299 Jy ! Total flux subtracted in 200 components = 0.359299 Jy ! Clean residual min=-0.006732 max=0.006495 Jy/beam ! Clean residual mean=0.000058 rms=0.001799 Jy/beam ! Combined flux in latest and established models = 0.359299 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.359299 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.6066 mas, bmaj=1.107 mas, bpa=-14.68 degrees ! Estimated noise=567.016 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 = 0.00974712 Jy ! Component: 100 - total flux cleaned = 0.0141731 Jy ! Component: 150 - total flux cleaned = 0.0168611 Jy ! Component: 200 - total flux cleaned = 0.018758 Jy ! Total flux subtracted in 200 components = 0.018758 Jy ! Clean residual min=-0.002755 max=0.002816 Jy/beam ! Clean residual mean=0.000066 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.378057 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 19 components and 0.378057 Jy ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 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 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=2.183 mas, bmaj=2.861 mas, bpa=1.139 degrees ! Estimated noise=890.448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00225999 Jy ! Component: 100 - total flux cleaned = 0.00310051 Jy ! Component: 150 - total flux cleaned = 0.00317844 Jy ! Component: 200 - total flux cleaned = 0.00324918 Jy ! Total flux subtracted in 200 components = 0.00324918 Jy ! Clean residual min=-0.002978 max=0.003935 Jy/beam ! Clean residual mean=0.000178 rms=0.001077 Jy/beam ! Combined flux in latest and established models = 0.381306 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 = 6.10545e-05 Jy ! Component: 100 - total flux cleaned = 0.000118115 Jy ! Component: 150 - total flux cleaned = 0.000170638 Jy ! Component: 200 - total flux cleaned = 0.00021838 Jy ! Total flux subtracted in 200 components = 0.00021838 Jy ! Clean residual min=-0.002959 max=0.003887 Jy/beam ! Clean residual mean=0.000173 rms=0.001068 Jy/beam ! Combined flux in latest and established models = 0.381524 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.381524 Jy ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! Estimated beam: bmin=0.6066 mas, bmaj=1.107 mas, bpa=-14.68 degrees ! Estimated noise=567.016 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00058931 Jy ! Component: 100 - total flux cleaned = -0.00087864 Jy ! Component: 150 - total flux cleaned = -0.000972974 Jy ! Component: 200 - total flux cleaned = -0.000930056 Jy ! Total flux subtracted in 200 components = -0.000930056 Jy ! Clean residual min=-0.002732 max=0.002520 Jy/beam ! Clean residual mean=0.000052 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.380594 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 35 components and 0.380594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213115Jy sigma=0.001212 ! Fit after self-cal, rms=0.213106Jy sigma=0.001212 wmodel J1302+5748_X_2008_07_09_pus_map.mod ! Writing 35 model components to file: J1302+5748_X_2008_07_09_pus_map.mod wobs J1302+5748_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1302+5748_X_2008_07_09_pus_uvs.fits wwins J1302+5748_X_2008_07_09_pus_map.win ! wwins: Wrote 2 windows to J1302+5748_X_2008_07_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 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 6.01549e-05 Jy ! Component: 100 - total flux cleaned = 0.000574773 Jy ! Component: 150 - total flux cleaned = 0.000975776 Jy ! Component: 200 - total flux cleaned = 0.00124602 Jy ! Component: 250 - total flux cleaned = 0.00146849 Jy ! Component: 300 - total flux cleaned = 0.00168424 Jy ! Component: 350 - total flux cleaned = 0.00175493 Jy ! Component: 400 - total flux cleaned = 0.00178966 Jy ! Component: 450 - total flux cleaned = 0.00192301 Jy ! Component: 500 - total flux cleaned = 0.00208576 Jy ! Component: 550 - total flux cleaned = 0.00218052 Jy ! Component: 600 - total flux cleaned = 0.00218025 Jy ! Component: 650 - total flux cleaned = 0.00224167 Jy ! Component: 700 - total flux cleaned = 0.00230216 Jy ! Component: 750 - total flux cleaned = 0.00224278 Jy ! Component: 800 - total flux cleaned = 0.00227212 Jy ! Component: 850 - total flux cleaned = 0.00224322 Jy ! Component: 900 - total flux cleaned = 0.00221528 Jy ! Component: 950 - total flux cleaned = 0.00227149 Jy ! Component: 1000 - total flux cleaned = 0.00243699 Jy ! Total flux subtracted in 1024 components = 0.00243681 Jy ! Clean residual min=-0.002203 max=0.001640 Jy/beam ! Clean residual mean=0.000038 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.383031 Jy keep ! Adding 77 model components to the UV plane model. ! The established model now contains 112 components and 0.383031 Jy wmap "J1302+5748_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6066 x 1.107 at -14.68 degrees (North through East) ! Clean map min=-0.0023427 max=0.3472 Jy/beam ! Writing clean map to FITS file: J1302+5748_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.347199 invert ! Inverting map ! Your choice of large map pixels excluded 15.6% of the data. ! The x-axis pixel size should ideally be below 0.161 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000522805 device "J1302+5748_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1302+5748_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.451733 0.451733 0.903467 1.80693 3.61387 7.22773 14.4555 28.9109 57.8219 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.347 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6066 x 1.107 at -14.68 degrees (North through East) ! Clean map min=-0.0023427 max=0.3472 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1302+5748_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1302+5748_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1302+5748_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:18:21 2010