! Started logfile: J1635+3808_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:27:50 2010 obs J1635+3808_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1635+3808_X_2008_07_09_pus_uva.fits ! AN table 1: 135 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.197884 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1635+3808 ! ! 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 1146 lines of history. ! ! Reading 11220 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 1332 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1333 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1338 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1336 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.781905Jy sigma=0.005852 ! Fit after self-cal, rms=0.648635Jy sigma=0.005137 ! 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 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.5659 mas, bmaj=0.7983 mas, bpa=16.78 degrees ! Estimated noise=1498.65 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.16577 Jy ! Component: 100 - total flux cleaned = 1.45791 Jy ! Total flux subtracted in 100 components = 1.45791 Jy ! Clean residual min=-0.036574 max=0.120667 Jy/beam ! Clean residual mean=0.000040 rms=0.013981 Jy/beam ! Combined flux in latest and established models = 1.45791 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 1.45791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.377276Jy sigma=0.002824 ! Fit after self-cal, rms=0.377306Jy sigma=0.002823 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.126714 Jy ! Component: 100 - total flux cleaned = 0.194185 Jy ! Total flux subtracted in 100 components = 0.194185 Jy ! Clean residual min=-0.031517 max=0.081615 Jy/beam ! Clean residual mean=-0.000104 rms=0.010350 Jy/beam ! Combined flux in latest and established models = 1.65209 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 1.65209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324174Jy sigma=0.002251 ! Fit after self-cal, rms=0.323960Jy sigma=0.002248 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (-3.4, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0724368 Jy ! Component: 100 - total flux cleaned = 0.118613 Jy ! Total flux subtracted in 100 components = 0.118613 Jy ! Clean residual min=-0.027261 max=0.044587 Jy/beam ! Clean residual mean=-0.000158 rms=0.008739 Jy/beam ! Combined flux in latest and established models = 1.77071 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 24 components and 1.77071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302914Jy sigma=0.002031 ! Fit after self-cal, rms=0.300879Jy sigma=0.002017 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6591 mas, bmaj=0.9148 mas, bpa=17.77 degrees ! Estimated noise=1028.23 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 (-2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0783917 Jy ! Component: 100 - total flux cleaned = 0.133259 Jy ! Component: 150 - total flux cleaned = 0.174553 Jy ! Component: 200 - total flux cleaned = 0.20615 Jy ! Total flux subtracted in 200 components = 0.20615 Jy ! Clean residual min=-0.020765 max=0.033782 Jy/beam ! Clean residual mean=-0.000165 rms=0.007359 Jy/beam ! Combined flux in latest and established models = 1.97686 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 53 components and 1.97686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281708Jy sigma=0.001760 ! Fit after self-cal, rms=0.279513Jy sigma=0.001745 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HH 1.00* HN 1.06 ! KK 1.03 KP 0.97 LA 0.95 MK 0.97 ! NL 0.97 NY 0.99 ON 1.01 PT 0.98 ! SC 1.01 WZ 1.00 ZC 1.01 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HH 1.00* HN 0.98 ! KK 1.03 KP 0.94 LA 0.93 MK 0.97 ! NL 0.96 NY 1.02 ON 1.02 PT 0.98 ! SC 1.02 WZ 0.99 ZC 1.01 ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HH 1.00* HN 0.97 ! KK 1.02 KP 0.97 LA 0.96 MK 0.99 ! NL 0.99 NY 0.99 ON 1.01 PT 0.98 ! SC 1.04 WZ 0.99 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HH 1.00* HN 0.96 ! KK 1.00 KP 0.97 LA 0.95 MK 1.01 ! NL 0.99 NY 1.02 ON 1.03 PT 1.02 ! SC 1.04 WZ 0.98 ZC 1.02 ! ! ! Fit before self-cal, rms=0.279513Jy sigma=0.001745 ! Fit after self-cal, rms=0.273434Jy sigma=0.001665 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6613 mas, bmaj=0.9192 mas, bpa=17.66 degrees ! Estimated noise=1009.86 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 = 0.0161252 Jy ! Component: 100 - total flux cleaned = 0.0240119 Jy ! Component: 150 - total flux cleaned = 0.0310359 Jy ! Component: 200 - total flux cleaned = 0.0361603 Jy ! Total flux subtracted in 200 components = 0.0361602 Jy ! Clean residual min=-0.021562 max=0.025220 Jy/beam ! Clean residual mean=-0.001504 rms=0.006113 Jy/beam ! Combined flux in latest and established models = 2.01302 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 66 components and 2.01302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270888Jy sigma=0.001643 ! Fit after self-cal, rms=0.270677Jy sigma=0.001641 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.270677Jy sigma=0.001641 ! Fit after self-cal, rms=0.255567Jy sigma=0.001493 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6673 mas, bmaj=0.9202 mas, bpa=17.65 degrees ! Estimated noise=1013.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0095351 Jy ! Component: 100 - total flux cleaned = 0.0143724 Jy ! Component: 150 - total flux cleaned = 0.0171622 Jy ! Component: 200 - total flux cleaned = 0.0193858 Jy ! Total flux subtracted in 200 components = 0.0193858 Jy ! Clean residual min=-0.010635 max=0.014536 Jy/beam ! Clean residual mean=0.000116 rms=0.002854 Jy/beam ! Combined flux in latest and established models = 2.0324 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 82 components and 2.0324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253585Jy sigma=0.001476 ! Fit after self-cal, rms=0.253594Jy sigma=0.001475 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 (-4.8, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0148243 Jy ! Component: 100 - total flux cleaned = 0.0209783 Jy ! Component: 150 - total flux cleaned = 0.0234134 Jy ! Component: 200 - total flux cleaned = 0.0257667 Jy ! Total flux subtracted in 200 components = 0.0257667 Jy ! Clean residual min=-0.009478 max=0.008410 Jy/beam ! Clean residual mean=-0.000115 rms=0.002356 Jy/beam ! Combined flux in latest and established models = 2.05817 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 103 components and 2.05817 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252681Jy sigma=0.001465 ! Fit after self-cal, rms=0.252561Jy sigma=0.001464 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.252561Jy sigma=0.001464 ! Fit after self-cal, rms=0.252031Jy sigma=0.001460 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6688 mas, bmaj=0.919 mas, bpa=17.41 degrees ! Estimated noise=1010.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00199227 Jy ! Component: 100 - total flux cleaned = 0.00587883 Jy ! Component: 150 - total flux cleaned = 0.00909498 Jy ! Component: 200 - total flux cleaned = 0.0113937 Jy ! Total flux subtracted in 200 components = 0.0113937 Jy ! Clean residual min=-0.007707 max=0.007132 Jy/beam ! Clean residual mean=0.000010 rms=0.001974 Jy/beam ! Combined flux in latest and established models = 2.06956 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 107 components and 2.06956 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251348Jy sigma=0.001454 ! Fit after self-cal, rms=0.251311Jy sigma=0.001454 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 = 0.00331476 Jy ! Component: 100 - total flux cleaned = 0.00552092 Jy ! Component: 150 - total flux cleaned = 0.0072759 Jy ! Component: 200 - total flux cleaned = 0.00868142 Jy ! Total flux subtracted in 200 components = 0.00868142 Jy ! Clean residual min=-0.007357 max=0.006930 Jy/beam ! Clean residual mean=-0.000067 rms=0.001888 Jy/beam ! Combined flux in latest and established models = 2.07825 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 111 components and 2.07824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251063Jy sigma=0.001452 ! Fit after self-cal, rms=0.251049Jy sigma=0.001452 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.251049Jy sigma=0.001452 ! Fit after self-cal, rms=0.250897Jy sigma=0.001450 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=2.216 mas, bmaj=2.529 mas, bpa=-61.21 degrees ! Estimated noise=1490.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103769 Jy ! Component: 100 - total flux cleaned = 0.0123718 Jy ! Component: 150 - total flux cleaned = 0.0133077 Jy ! Component: 200 - total flux cleaned = 0.0141136 Jy ! Total flux subtracted in 200 components = 0.0141136 Jy ! Clean residual min=-0.010311 max=0.008486 Jy/beam ! Clean residual mean=-0.000274 rms=0.003046 Jy/beam ! Combined flux in latest and established models = 2.09236 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 118 components and 2.09236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250800Jy sigma=0.001450 ! Fit after self-cal, rms=0.250761Jy sigma=0.001449 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 = 0.00184286 Jy ! Component: 100 - total flux cleaned = 0.00250401 Jy ! Component: 150 - total flux cleaned = 0.00250347 Jy ! Component: 200 - total flux cleaned = 0.00250221 Jy ! Total flux subtracted in 200 components = 0.00250221 Jy ! Clean residual min=-0.010681 max=0.008220 Jy/beam ! Clean residual mean=-0.000349 rms=0.003009 Jy/beam ! Combined flux in latest and established models = 2.09486 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 124 components and 2.09486 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250748Jy sigma=0.001449 ! Fit after self-cal, rms=0.250739Jy sigma=0.001449 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6697 mas, bmaj=0.9184 mas, bpa=17.24 degrees ! Estimated noise=1009.17 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6697 x 0.9184 at 17.24 degrees (North through East) ! Clean map min=-0.0058882 max=1.4997 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=0.250739Jy sigma=0.001449 ! Fit after self-cal, rms=0.252808Jy sigma=0.001148 ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6699 mas, bmaj=0.9186 mas, bpa=17.13 degrees ! Estimated noise=1009.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00272463 Jy ! Component: 100 - total flux cleaned = 0.00288952 Jy ! Component: 150 - total flux cleaned = 0.00317536 Jy ! Component: 200 - total flux cleaned = 0.00303692 Jy ! Total flux subtracted in 200 components = 0.00303692 Jy ! Clean residual min=-0.005576 max=0.004968 Jy/beam ! Clean residual mean=-0.000010 rms=0.001478 Jy/beam ! Combined flux in latest and established models = 2.0979 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 129 components and 2.0979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252582Jy sigma=0.001146 ! Fit after self-cal, rms=0.252589Jy sigma=0.001146 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000855813 Jy ! Component: 100 - total flux cleaned = 0.000733612 Jy ! Component: 150 - total flux cleaned = 0.000731977 Jy ! Component: 200 - total flux cleaned = 0.000517076 Jy ! Total flux subtracted in 200 components = 0.000517076 Jy ! Clean residual min=-0.005491 max=0.004869 Jy/beam ! Clean residual mean=-0.000013 rms=0.001446 Jy/beam ! Combined flux in latest and established models = 2.09841 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 135 components and 2.09841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252481Jy sigma=0.001145 ! Fit after self-cal, rms=0.252488Jy sigma=0.001145 ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252488Jy sigma=0.001145 ! Fit after self-cal, rms=0.252628Jy sigma=0.001144 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 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.5733 mas, bmaj=0.8015 mas, bpa=16.44 degrees ! Estimated noise=1490.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.15783 Jy ! Component: 100 - total flux cleaned = 1.436 Jy ! Component: 150 - total flux cleaned = 1.55725 Jy ! Component: 200 - total flux cleaned = 1.63382 Jy ! Total flux subtracted in 200 components = 1.63382 Jy ! Clean residual min=-0.016362 max=0.043068 Jy/beam ! Clean residual mean=0.000288 rms=0.007190 Jy/beam ! Combined flux in latest and established models = 1.63382 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 19 model components to the UV plane model. ! The established model now contains 19 components and 1.63382 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6702 mas, bmaj=0.9182 mas, bpa=17.09 degrees ! Estimated noise=1009.94 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 = 0.103577 Jy ! Component: 100 - total flux cleaned = 0.178123 Jy ! Component: 150 - total flux cleaned = 0.234777 Jy ! Component: 200 - total flux cleaned = 0.2789 Jy ! Total flux subtracted in 200 components = 0.2789 Jy ! Clean residual min=-0.010434 max=0.032509 Jy/beam ! Clean residual mean=0.001611 rms=0.005541 Jy/beam ! Combined flux in latest and established models = 1.91272 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 74 components and 1.91272 Jy ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (-3.4, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0360127 Jy ! Component: 100 - total flux cleaned = 0.0636534 Jy ! Component: 150 - total flux cleaned = 0.0858113 Jy ! Component: 200 - total flux cleaned = 0.103815 Jy ! Total flux subtracted in 200 components = 0.103815 Jy ! Clean residual min=-0.006703 max=0.013799 Jy/beam ! Clean residual mean=0.000727 rms=0.002614 Jy/beam ! Combined flux in latest and established models = 2.01654 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 116 components and 2.01654 Jy ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (-0.8, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154325 Jy ! Component: 100 - total flux cleaned = 0.0274814 Jy ! Component: 150 - total flux cleaned = 0.0374094 Jy ! Component: 200 - total flux cleaned = 0.0456531 Jy ! Total flux subtracted in 200 components = 0.0456531 Jy ! Clean residual min=-0.005271 max=0.006534 Jy/beam ! Clean residual mean=0.000333 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 2.06219 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 138 components and 2.06219 Jy ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=2.215 mas, bmaj=2.53 mas, bpa=-61.27 degrees ! Estimated noise=1492.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0163231 Jy ! Component: 100 - total flux cleaned = 0.0253939 Jy ! Component: 150 - total flux cleaned = 0.0309221 Jy ! Component: 200 - total flux cleaned = 0.0344287 Jy ! Total flux subtracted in 200 components = 0.0344287 Jy ! Clean residual min=-0.007118 max=0.006010 Jy/beam ! Clean residual mean=0.000098 rms=0.002188 Jy/beam ! Combined flux in latest and established models = 2.09662 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 = 0.00225668 Jy ! Component: 100 - total flux cleaned = 0.00363513 Jy ! Component: 150 - total flux cleaned = 0.00404707 Jy ! Component: 200 - total flux cleaned = 0.0043679 Jy ! Total flux subtracted in 200 components = 0.0043679 Jy ! Clean residual min=-0.007395 max=0.006200 Jy/beam ! Clean residual mean=-0.000036 rms=0.002218 Jy/beam ! Combined flux in latest and established models = 2.10099 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 179 components and 2.10099 Jy ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6702 mas, bmaj=0.9182 mas, bpa=17.09 degrees ! Estimated noise=1009.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00193885 Jy ! Component: 100 - total flux cleaned = -0.00217419 Jy ! Component: 150 - total flux cleaned = -0.00217842 Jy ! Component: 200 - total flux cleaned = -0.0021772 Jy ! Total flux subtracted in 200 components = -0.0021772 Jy ! Clean residual min=-0.004977 max=0.004588 Jy/beam ! Clean residual mean=0.000016 rms=0.001348 Jy/beam ! Combined flux in latest and established models = 2.09881 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 188 components and 2.09881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252532Jy sigma=0.001142 ! Fit after self-cal, rms=0.252341Jy sigma=0.001140 wmodel J1635+3808_X_2008_07_09_pus_map.mod ! Writing 188 model components to file: J1635+3808_X_2008_07_09_pus_map.mod wobs J1635+3808_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1635+3808_X_2008_07_09_pus_uvs.fits wwins J1635+3808_X_2008_07_09_pus_map.win ! wwins: Wrote 6 windows to J1635+3808_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 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000806135 Jy ! Component: 100 - total flux cleaned = -0.000725447 Jy ! Component: 150 - total flux cleaned = -0.000805602 Jy ! Component: 200 - total flux cleaned = -0.000655781 Jy ! Component: 250 - total flux cleaned = -0.000511617 Jy ! Component: 300 - total flux cleaned = -0.000724384 Jy ! Component: 350 - total flux cleaned = -0.00079217 Jy ! Component: 400 - total flux cleaned = -0.000722706 Jy ! Component: 450 - total flux cleaned = -0.000655787 Jy ! Component: 500 - total flux cleaned = -0.000591509 Jy ! Component: 550 - total flux cleaned = -0.00065628 Jy ! Component: 600 - total flux cleaned = -0.000844568 Jy ! Component: 650 - total flux cleaned = -0.000844952 Jy ! Component: 700 - total flux cleaned = -0.000966426 Jy ! Component: 750 - total flux cleaned = -0.000967249 Jy ! Component: 800 - total flux cleaned = -0.00102587 Jy ! Component: 850 - total flux cleaned = -0.00102595 Jy ! Component: 900 - total flux cleaned = -0.0010263 Jy ! Component: 950 - total flux cleaned = -0.00102678 Jy ! Component: 1000 - total flux cleaned = -0.00108275 Jy ! Total flux subtracted in 1024 components = -0.00113769 Jy ! Clean residual min=-0.003686 max=0.003458 Jy/beam ! Clean residual mean=0.000033 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 2.09767 Jy keep ! Adding 73 model components to the UV plane model. ! The established model now contains 260 components and 2.09767 Jy wmap "J1635+3808_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6702 x 0.9182 at 17.09 degrees (North through East) ! Clean map min=-0.0039963 max=1.4945 Jy/beam ! Writing clean map to FITS file: J1635+3808_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 1.49445 invert ! Inverting map ! Your choice of large map pixels excluded 5.39% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0010613 device "J1635+3808_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1635+3808_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.213047 0.213047 0.426095 0.852189 1.70438 3.40876 6.81751 13.635 27.2701 54.5401 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.494 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6702 x 0.9182 at 17.09 degrees (North through East) ! Clean map min=-0.0039963 max=1.4945 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1635+3808_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1635+3808_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1635+3808_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:27:52 2010