! Started logfile: J1955+5131_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:53:16 2010 obs J1955+5131_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1955+5131_X_2008_04_02_pus_uva.fits ! AN table 1: 90 integrations on 120 of 120 possible baselines. ! AN table 2: 22 integrations on 120 of 120 possible baselines. ! AN table 3: 2 integrations on 120 of 120 possible baselines. ! AN table 4: 279 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0907337 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1955+5131 ! ! 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 2284 lines of history. ! ! Reading 17116 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 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 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.812531Jy sigma=0.006952 ! Fit after self-cal, rms=0.293271Jy sigma=0.002601 ! 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 ! Estimated beam: bmin=0.8743 mas, bmaj=1.302 mas, bpa=-39.1 degrees ! Estimated noise=1056.91 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 = 0.57725 Jy ! Component: 100 - total flux cleaned = 0.707361 Jy ! Total flux subtracted in 100 components = 0.707361 Jy ! Clean residual min=-0.013896 max=0.044777 Jy/beam ! Clean residual mean=0.000091 rms=0.004619 Jy/beam ! Combined flux in latest and established models = 0.707361 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.707361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159972Jy sigma=0.001448 ! Fit after self-cal, rms=0.159946Jy sigma=0.001448 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0446949 Jy ! Component: 100 - total flux cleaned = 0.0649191 Jy ! Total flux subtracted in 100 components = 0.0649191 Jy ! Clean residual min=-0.013516 max=0.024257 Jy/beam ! Clean residual mean=0.000019 rms=0.003093 Jy/beam ! Combined flux in latest and established models = 0.77228 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.77228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146615Jy sigma=0.001294 ! Fit after self-cal, rms=0.146475Jy sigma=0.001293 ! Inverting map ! Added new window around map position (-1.8, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021027 Jy ! Component: 100 - total flux cleaned = 0.0314798 Jy ! Total flux subtracted in 100 components = 0.0314798 Jy ! Clean residual min=-0.012241 max=0.009992 Jy/beam ! Clean residual mean=-0.000012 rms=0.002586 Jy/beam ! Combined flux in latest and established models = 0.80376 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 25 components and 0.80376 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143479Jy sigma=0.001255 ! Fit after self-cal, rms=0.143208Jy sigma=0.001253 ! Inverting map 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 ! Estimated beam: bmin=1.087 mas, bmaj=1.561 mas, bpa=-40.06 degrees ! Estimated noise=603.225 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 = 0.0103784 Jy ! Component: 100 - total flux cleaned = 0.0164025 Jy ! Component: 150 - total flux cleaned = 0.0202084 Jy ! Component: 200 - total flux cleaned = 0.0225401 Jy ! Total flux subtracted in 200 components = 0.0225401 Jy ! Clean residual min=-0.009000 max=0.009180 Jy/beam ! Clean residual mean=-0.000001 rms=0.002313 Jy/beam ! Combined flux in latest and established models = 0.8263 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 50 components and 0.8263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142643Jy sigma=0.001243 ! Fit after self-cal, rms=0.142561Jy sigma=0.001243 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HH 1.00* HN 1.01 ! KK 1.01 KP 1.03 LA 1.02 MK 1.01 ! NL 1.02 NY 1.00* ON 1.00* OV 1.01 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.01 HH 1.00* HN 1.04 ! KK 1.00* KP 1.03 LA 1.04 MK 0.97 ! NL 1.01 NY 1.00* ON 1.00* OV 0.98 ! PT 1.02 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 1.00* HN 1.01 ! KK 1.00 KP 0.97 LA 1.00 MK 0.99 ! NL 0.98 NY 1.00* ON 1.00* OV 0.97 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.00 HH 1.00* HN 1.02 ! KK 1.00* KP 0.97 LA 1.02 MK 0.96 ! NL 0.98 NY 1.00* ON 1.00* OV 0.96 ! PT 1.01 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HH 1.00* HN 0.99 ! KK 1.03 KP 0.99 LA 1.02 MK 1.00 ! NL 0.98 NY 1.00* ON 1.00* OV 1.02 ! PT 0.94 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.00 HH 1.00* HN 1.02 ! KK 1.00* KP 0.99 LA 1.06 MK 0.96 ! NL 0.99 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HH 1.00* HN 1.00 ! KK 1.03 KP 0.97 LA 0.99 MK 1.01 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 0.94 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 0.99 HH 1.00* HN 1.00 ! KK 1.00* KP 0.98 LA 1.03 MK 1.00 ! NL 1.00 NY 1.00* ON 1.00* OV 0.96 ! PT 0.99 SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.142561Jy sigma=0.001243 ! Fit after self-cal, rms=0.139133Jy sigma=0.001219 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.1 mas, bmaj=1.54 mas, bpa=-41.54 degrees ! Estimated noise=610.512 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 = 0.00305492 Jy ! Component: 100 - total flux cleaned = 0.00364407 Jy ! Component: 150 - total flux cleaned = 0.0035865 Jy ! Component: 200 - total flux cleaned = 0.00347647 Jy ! Total flux subtracted in 200 components = 0.00347647 Jy ! Clean residual min=-0.005751 max=0.008421 Jy/beam ! Clean residual mean=0.000177 rms=0.001735 Jy/beam ! Combined flux in latest and established models = 0.829777 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 59 components and 0.829777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138931Jy sigma=0.001217 ! Fit after self-cal, rms=0.138925Jy sigma=0.001216 ! Inverting map 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=0.138925Jy sigma=0.001216 ! Fit after self-cal, rms=0.138185Jy sigma=0.001206 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=1.54 mas, bpa=-41.44 degrees ! Estimated noise=610.547 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00349674 Jy ! Component: 100 - total flux cleaned = 0.00408267 Jy ! Component: 150 - total flux cleaned = 0.00409025 Jy ! Component: 200 - total flux cleaned = 0.00409223 Jy ! Total flux subtracted in 200 components = 0.00409223 Jy ! Clean residual min=-0.004231 max=0.008319 Jy/beam ! Clean residual mean=0.000176 rms=0.001495 Jy/beam ! Combined flux in latest and established models = 0.833869 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 72 components and 0.833869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138096Jy sigma=0.001205 ! Fit after self-cal, rms=0.138104Jy sigma=0.001204 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 (-14, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00875951 Jy ! Component: 100 - total flux cleaned = 0.0136737 Jy ! Component: 150 - total flux cleaned = 0.0169843 Jy ! Component: 200 - total flux cleaned = 0.0195723 Jy ! Total flux subtracted in 200 components = 0.0195723 Jy ! Clean residual min=-0.003546 max=0.006245 Jy/beam ! Clean residual mean=0.000077 rms=0.001158 Jy/beam ! Combined flux in latest and established models = 0.853441 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 95 components and 0.853441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137489Jy sigma=0.001199 ! Fit after self-cal, rms=0.137464Jy sigma=0.001198 ! Inverting map ! Added new window around map position (-10, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00590401 Jy ! Component: 100 - total flux cleaned = 0.00921695 Jy ! Component: 150 - total flux cleaned = 0.0116354 Jy ! Component: 200 - total flux cleaned = 0.0133511 Jy ! Total flux subtracted in 200 components = 0.0133511 Jy ! Clean residual min=-0.003308 max=0.004816 Jy/beam ! Clean residual mean=0.000023 rms=0.000962 Jy/beam ! Combined flux in latest and established models = 0.866792 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 126 components and 0.866792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137182Jy sigma=0.001196 ! Fit after self-cal, rms=0.137163Jy sigma=0.001195 ! Inverting map ! Added new window around map position (-5, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00444243 Jy ! Component: 100 - total flux cleaned = 0.00618052 Jy ! Component: 150 - total flux cleaned = 0.0071354 Jy ! Component: 200 - total flux cleaned = 0.00752721 Jy ! Total flux subtracted in 200 components = 0.00752721 Jy ! Clean residual min=-0.002960 max=0.003084 Jy/beam ! Clean residual mean=-0.000012 rms=0.000869 Jy/beam ! Combined flux in latest and established models = 0.874319 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 142 components and 0.874319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137007Jy sigma=0.001194 ! Fit after self-cal, rms=0.136990Jy sigma=0.001194 ! Inverting map 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=0.136990Jy sigma=0.001194 ! Fit after self-cal, rms=0.136980Jy sigma=0.001191 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=1.538 mas, bpa=-41.48 degrees ! Estimated noise=610.508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00274235 Jy ! Component: 100 - total flux cleaned = 0.00448041 Jy ! Component: 150 - total flux cleaned = 0.00563707 Jy ! Component: 200 - total flux cleaned = 0.0061127 Jy ! Total flux subtracted in 200 components = 0.0061127 Jy ! Clean residual min=-0.002555 max=0.002896 Jy/beam ! Clean residual mean=-0.000013 rms=0.000727 Jy/beam ! Combined flux in latest and established models = 0.880432 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 154 components and 0.880432 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136898Jy sigma=0.001190 ! Fit after self-cal, rms=0.136905Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000840412 Jy ! Component: 100 - total flux cleaned = 0.00117017 Jy ! Component: 150 - total flux cleaned = 0.0014697 Jy ! Component: 200 - total flux cleaned = 0.00165781 Jy ! Total flux subtracted in 200 components = 0.00165781 Jy ! Clean residual min=-0.002539 max=0.002875 Jy/beam ! Clean residual mean=-0.000021 rms=0.000708 Jy/beam ! Combined flux in latest and established models = 0.88209 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 166 components and 0.88209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136870Jy sigma=0.001190 ! Fit after self-cal, rms=0.136867Jy sigma=0.001190 ! Inverting map 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=0.136867Jy sigma=0.001190 ! Fit after self-cal, rms=0.136984Jy sigma=0.001190 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.46 mas, bmaj=3.021 mas, bpa=-59.1 degrees ! Estimated noise=742.655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201064 Jy ! Component: 100 - total flux cleaned = 0.00298162 Jy ! Component: 150 - total flux cleaned = 0.00367794 Jy ! Component: 200 - total flux cleaned = 0.00414922 Jy ! Total flux subtracted in 200 components = 0.00414922 Jy ! Clean residual min=-0.002927 max=0.002805 Jy/beam ! Clean residual mean=-0.000034 rms=0.000784 Jy/beam ! Combined flux in latest and established models = 0.886239 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 182 components and 0.886239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136966Jy sigma=0.001190 ! Fit after self-cal, rms=0.136960Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000565524 Jy ! Component: 100 - total flux cleaned = 0.000746564 Jy ! Component: 150 - total flux cleaned = 0.000905316 Jy ! Component: 200 - total flux cleaned = 0.00102123 Jy ! Total flux subtracted in 200 components = 0.00102123 Jy ! Clean residual min=-0.002907 max=0.002820 Jy/beam ! Clean residual mean=-0.000044 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.88726 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 189 components and 0.88726 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136956Jy sigma=0.001190 ! Fit after self-cal, rms=0.136953Jy sigma=0.001190 ! Inverting map 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 ! Estimated beam: bmin=1.101 mas, bmaj=1.537 mas, bpa=-41.44 degrees ! Estimated noise=610.766 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.101 x 1.537 at -41.44 degrees (North through East) ! Clean map min=-0.002379 max=0.74258 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=0.136953Jy sigma=0.001190 ! Fit after self-cal, rms=0.124791Jy sigma=0.001074 ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=1.537 mas, bpa=-41.4 degrees ! Estimated noise=610.786 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109753 Jy ! Component: 100 - total flux cleaned = 0.0011919 Jy ! Component: 150 - total flux cleaned = 0.00123271 Jy ! Component: 200 - total flux cleaned = 0.001309 Jy ! Total flux subtracted in 200 components = 0.001309 Jy ! Clean residual min=-0.002333 max=0.002557 Jy/beam ! Clean residual mean=-0.000001 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.888569 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 202 components and 0.888569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124759Jy sigma=0.001074 ! Fit after self-cal, rms=0.124759Jy sigma=0.001074 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000119408 Jy ! Component: 100 - total flux cleaned = 0.000156321 Jy ! Component: 150 - total flux cleaned = 0.000225124 Jy ! Component: 200 - total flux cleaned = 0.000258984 Jy ! Total flux subtracted in 200 components = 0.000258984 Jy ! Clean residual min=-0.002319 max=0.002537 Jy/beam ! Clean residual mean=-0.000002 rms=0.000639 Jy/beam ! Combined flux in latest and established models = 0.888828 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 207 components and 0.888828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124740Jy sigma=0.001073 ! Fit after self-cal, rms=0.124738Jy sigma=0.001073 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124738Jy sigma=0.001073 ! Fit after self-cal, rms=0.124820Jy sigma=0.001073 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 ! Estimated beam: bmin=0.8919 mas, bmaj=1.262 mas, bpa=-40.11 degrees ! Estimated noise=1052.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.572372 Jy ! Component: 100 - total flux cleaned = 0.70319 Jy ! Component: 150 - total flux cleaned = 0.750343 Jy ! Component: 200 - total flux cleaned = 0.776569 Jy ! Total flux subtracted in 200 components = 0.776569 Jy ! Clean residual min=-0.006669 max=0.013420 Jy/beam ! Clean residual mean=0.000111 rms=0.002104 Jy/beam ! Combined flux in latest and established models = 0.776569 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.776569 Jy ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=1.536 mas, bpa=-41.37 degrees ! Estimated noise=611.061 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 = 0.0251011 Jy ! Component: 100 - total flux cleaned = 0.0399518 Jy ! Component: 150 - total flux cleaned = 0.0509339 Jy ! Component: 200 - total flux cleaned = 0.0599431 Jy ! Total flux subtracted in 200 components = 0.0599431 Jy ! Clean residual min=-0.003940 max=0.005532 Jy/beam ! Clean residual mean=0.000245 rms=0.001482 Jy/beam ! Combined flux in latest and established models = 0.836512 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 64 components and 0.836512 Jy ! Inverting map 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 ! Estimated beam: bmin=2.46 mas, bmaj=3.019 mas, bpa=-59.17 degrees ! Estimated noise=743.229 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0123207 Jy ! Component: 100 - total flux cleaned = 0.0213122 Jy ! Component: 150 - total flux cleaned = 0.0281991 Jy ! Component: 200 - total flux cleaned = 0.0335949 Jy ! Total flux subtracted in 200 components = 0.0335949 Jy ! Clean residual min=-0.003540 max=0.003730 Jy/beam ! Clean residual mean=0.000185 rms=0.001209 Jy/beam ! Combined flux in latest and established models = 0.870107 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 = 0.00430374 Jy ! Component: 100 - total flux cleaned = 0.00777583 Jy ! Component: 150 - total flux cleaned = 0.0105846 Jy ! Component: 200 - total flux cleaned = 0.0128623 Jy ! Total flux subtracted in 200 components = 0.0128623 Jy ! Clean residual min=-0.002925 max=0.002574 Jy/beam ! Clean residual mean=0.000064 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.882969 Jy ! Adding 124 model components to the UV plane model. ! The established model now contains 172 components and 0.882969 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=1.536 mas, bpa=-41.37 degrees ! Estimated noise=611.061 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251296 Jy ! Component: 100 - total flux cleaned = 0.00416679 Jy ! Component: 150 - total flux cleaned = 0.00491607 Jy ! Component: 200 - total flux cleaned = 0.00535279 Jy ! Total flux subtracted in 200 components = 0.00535279 Jy ! Clean residual min=-0.002252 max=0.002713 Jy/beam ! Clean residual mean=0.000009 rms=0.000656 Jy/beam ! Combined flux in latest and established models = 0.888322 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 196 components and 0.888322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124903Jy sigma=0.001074 ! Fit after self-cal, rms=0.124859Jy sigma=0.001074 wmodel J1955+5131_X_2008_04_02_pus_map.mod ! Writing 196 model components to file: J1955+5131_X_2008_04_02_pus_map.mod wobs J1955+5131_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1955+5131_X_2008_04_02_pus_uvs.fits wwins J1955+5131_X_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J1955+5131_X_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113231 Jy ! Component: 100 - total flux cleaned = 0.00191185 Jy ! Component: 150 - total flux cleaned = 0.00260472 Jy ! Component: 200 - total flux cleaned = 0.00322585 Jy ! Component: 250 - total flux cleaned = 0.00367416 Jy ! Component: 300 - total flux cleaned = 0.00399973 Jy ! Component: 350 - total flux cleaned = 0.00428123 Jy ! Component: 400 - total flux cleaned = 0.00452222 Jy ! Component: 450 - total flux cleaned = 0.0047579 Jy ! Component: 500 - total flux cleaned = 0.00489001 Jy ! Component: 550 - total flux cleaned = 0.00505268 Jy ! Component: 600 - total flux cleaned = 0.0050851 Jy ! Component: 650 - total flux cleaned = 0.00508562 Jy ! Component: 700 - total flux cleaned = 0.00505525 Jy ! Component: 750 - total flux cleaned = 0.0049947 Jy ! Component: 800 - total flux cleaned = 0.00496451 Jy ! Component: 850 - total flux cleaned = 0.00493433 Jy ! Component: 900 - total flux cleaned = 0.00481698 Jy ! Component: 950 - total flux cleaned = 0.00470132 Jy ! Component: 1000 - total flux cleaned = 0.00453056 Jy ! Component: 1050 - total flux cleaned = 0.00444621 Jy ! Component: 1100 - total flux cleaned = 0.0043626 Jy ! Component: 1150 - total flux cleaned = 0.00430694 Jy ! Component: 1200 - total flux cleaned = 0.00417052 Jy ! Component: 1250 - total flux cleaned = 0.00411627 Jy ! Component: 1300 - total flux cleaned = 0.00393008 Jy ! Component: 1350 - total flux cleaned = 0.00390366 Jy ! Component: 1400 - total flux cleaned = 0.00377313 Jy ! Component: 1450 - total flux cleaned = 0.00374705 Jy ! Component: 1500 - total flux cleaned = 0.00364431 Jy ! Component: 1550 - total flux cleaned = 0.00361858 Jy ! Component: 1600 - total flux cleaned = 0.00349247 Jy ! Component: 1650 - total flux cleaned = 0.00351704 Jy ! Component: 1700 - total flux cleaned = 0.00336885 Jy ! Component: 1750 - total flux cleaned = 0.00334467 Jy ! Component: 1800 - total flux cleaned = 0.0033206 Jy ! Component: 1850 - total flux cleaned = 0.00332076 Jy ! Component: 1900 - total flux cleaned = 0.0032491 Jy ! Component: 1950 - total flux cleaned = 0.00320178 Jy ! Component: 2000 - total flux cleaned = 0.00324903 Jy ! Total flux subtracted in 2048 components = 0.00320231 Jy ! Clean residual min=-0.001607 max=0.001163 Jy/beam ! Clean residual mean=-0.000016 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.891524 Jy keep ! Adding 173 model components to the UV plane model. ! The established model now contains 369 components and 0.891524 Jy wmap "J1955+5131_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.101 x 1.536 at -41.37 degrees (North through East) ! Clean map min=-0.0018048 max=0.74153 Jy/beam ! Writing clean map to FITS file: J1955+5131_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.741535 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000442322 device "J1955+5131_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1955+5131_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.178949 0.178949 0.357897 0.715795 1.43159 2.86318 5.72636 11.4527 22.9054 45.8108 91.6217 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.741 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.101 x 1.536 at -41.37 degrees (North through East) ! Clean map min=-0.0018048 max=0.74153 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1955+5131_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1955+5131_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1955+5131_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:53:23 2010