! Started logfile: J0700+1709_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:37:51 2010 obs J0700+1709_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0700+1709_S_2008_04_02_pus_uva.fits ! AN table 1: 75 integrations on 120 of 120 possible baselines. ! AN table 2: 110 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.134234 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0700+1709 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 984 lines of history. ! ! Reading 11920 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 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 0.500x0.500 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 717 telescope corrections were flagged in sub-array 1. ! A total of 1375 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 717 telescope corrections were flagged in sub-array 1. ! A total of 1375 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 717 telescope corrections were flagged in sub-array 1. ! A total of 1375 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 717 telescope corrections were flagged in sub-array 1. ! A total of 1375 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.683823Jy sigma=0.003845 ! Fit after self-cal, rms=0.565430Jy sigma=0.003379 ! 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=1.668 mas, bmaj=2.73 mas, bpa=6.17 degrees ! Estimated noise=1647.57 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 = 0.392195 Jy ! Component: 100 - total flux cleaned = 0.495998 Jy ! Total flux subtracted in 100 components = 0.495998 Jy ! Clean residual min=-0.020888 max=0.045571 Jy/beam ! Clean residual mean=0.000225 rms=0.006355 Jy/beam ! Combined flux in latest and established models = 0.495998 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.495998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354779Jy sigma=0.001617 ! Fit after self-cal, rms=0.354512Jy sigma=0.001616 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0506968 Jy ! Component: 100 - total flux cleaned = 0.079801 Jy ! Total flux subtracted in 100 components = 0.079801 Jy ! Clean residual min=-0.017990 max=0.024946 Jy/beam ! Clean residual mean=0.000022 rms=0.005206 Jy/beam ! Combined flux in latest and established models = 0.575799 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 0.575799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342198Jy sigma=0.001492 ! Fit after self-cal, rms=0.341866Jy sigma=0.001490 ! 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=2.228 mas, bmaj=3.387 mas, bpa=5.859 degrees ! Estimated noise=1071.92 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 (-3, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0402837 Jy ! Component: 100 - total flux cleaned = 0.0627469 Jy ! Component: 150 - total flux cleaned = 0.0763552 Jy ! Component: 200 - total flux cleaned = 0.084925 Jy ! Total flux subtracted in 200 components = 0.084925 Jy ! Clean residual min=-0.019522 max=0.021381 Jy/beam ! Clean residual mean=-0.000374 rms=0.004913 Jy/beam ! Combined flux in latest and established models = 0.660724 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 34 components and 0.660724 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336827Jy sigma=0.001440 ! Fit after self-cal, rms=0.336240Jy sigma=0.001434 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.10 HH 1.16 HN 1.02 ! KK 1.12 KP 1.04 LA 1.22 MK 0.81 ! NL 0.88 NY 0.91 ON 0.96 OV 0.97 ! PT 0.99 SC 0.99 WZ 0.90 ZC 1.24 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.11 HN 1.10 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.23 NY 0.85 ON 1.28 OV 1.00* ! PT 1.00* SC 1.13 WZ 0.96 ZC 1.17 ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.16 HH 1.14 HN 1.08 ! KK 1.09 KP 1.04 LA 1.13 MK 0.89 ! NL 0.92 NY 0.97 ON 0.92 OV 1.00 ! PT 1.02 SC 1.03 WZ 0.79 ZC 1.23 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.07 HN 1.21 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.19 NY 0.96 ON 0.93 OV 1.00* ! PT 1.00* SC 1.12 WZ 0.84 ZC 1.19 ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.16 HH 0.87 HN 1.05 ! KK 1.07 KP 1.02 LA 0.89 MK 0.88 ! NL 0.96 NY 0.85 ON 0.89 OV 1.00 ! PT 1.05 SC 0.90 WZ 0.74 ZC 1.19 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.99 HN 1.17 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.21 NY 0.88 ON 0.91 OV 1.00* ! PT 1.00* SC 1.01 WZ 0.75 ZC 1.12 ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.16 HH 0.96 HN 0.95 ! KK 1.12 KP 0.92 LA 0.72 MK 0.91 ! NL 0.85 NY 1.07 ON 0.94 OV 0.84 ! PT 0.91 SC 0.94 WZ 0.70 ZC 1.09 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.95 HN 1.07 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.10 NY 1.02 ON 0.96 OV 1.00* ! PT 1.00* SC 1.10 WZ 0.75 ZC 1.00 ! ! ! Fit before self-cal, rms=0.336240Jy sigma=0.001434 ! Fit after self-cal, rms=0.300927Jy sigma=0.001265 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.227 mas, bmaj=3.469 mas, bpa=5.117 degrees ! Estimated noise=1070.86 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) ! Added new window around map position (-4, -10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129442 Jy ! Component: 100 - total flux cleaned = 0.0174312 Jy ! Component: 150 - total flux cleaned = 0.0183661 Jy ! Component: 200 - total flux cleaned = 0.0185339 Jy ! Total flux subtracted in 200 components = 0.0185339 Jy ! Clean residual min=-0.006476 max=0.006288 Jy/beam ! Clean residual mean=-0.000110 rms=0.001523 Jy/beam ! Combined flux in latest and established models = 0.679258 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 49 components and 0.679258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300333Jy sigma=0.001259 ! Fit after self-cal, rms=0.300365Jy sigma=0.001257 ! 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=0.300365Jy sigma=0.001257 ! Fit after self-cal, rms=0.313953Jy sigma=0.001250 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.228 mas, bmaj=3.461 mas, bpa=4.996 degrees ! Estimated noise=1071.68 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00708936 Jy ! Component: 100 - total flux cleaned = 0.00918355 Jy ! Component: 150 - total flux cleaned = 0.00995919 Jy ! Component: 200 - total flux cleaned = 0.0100664 Jy ! Total flux subtracted in 200 components = 0.0100664 Jy ! Clean residual min=-0.005773 max=0.004879 Jy/beam ! Clean residual mean=-0.000079 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 0.689324 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 66 components and 0.689324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313716Jy sigma=0.001248 ! Fit after self-cal, rms=0.313838Jy sigma=0.001248 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 = 0.00159325 Jy ! Component: 100 - total flux cleaned = 0.00180013 Jy ! Component: 150 - total flux cleaned = 0.00180178 Jy ! Component: 200 - total flux cleaned = 0.00164468 Jy ! Total flux subtracted in 200 components = 0.00164468 Jy ! Clean residual min=-0.005695 max=0.004744 Jy/beam ! Clean residual mean=-0.000084 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 0.690969 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 74 components and 0.690969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313750Jy sigma=0.001247 ! Fit after self-cal, rms=0.313752Jy sigma=0.001247 ! 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=0.313752Jy sigma=0.001247 ! Fit after self-cal, rms=0.314421Jy sigma=0.001247 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.231 mas, bmaj=3.455 mas, bpa=5.041 degrees ! Estimated noise=1073.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00293984 Jy ! Component: 100 - total flux cleaned = 0.00357924 Jy ! Component: 150 - total flux cleaned = 0.00372858 Jy ! Component: 200 - total flux cleaned = 0.00359614 Jy ! Total flux subtracted in 200 components = 0.00359614 Jy ! Clean residual min=-0.005402 max=0.004632 Jy/beam ! Clean residual mean=-0.000067 rms=0.001232 Jy/beam ! Combined flux in latest and established models = 0.694565 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 0.694565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314345Jy sigma=0.001246 ! Fit after self-cal, rms=0.314338Jy sigma=0.001246 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 = 0.000780834 Jy ! Component: 100 - total flux cleaned = 0.000854879 Jy ! Component: 150 - total flux cleaned = 0.000732061 Jy ! Component: 200 - total flux cleaned = 0.000616482 Jy ! Total flux subtracted in 200 components = 0.000616482 Jy ! Clean residual min=-0.005354 max=0.004637 Jy/beam ! Clean residual mean=-0.000070 rms=0.001220 Jy/beam ! Combined flux in latest and established models = 0.695182 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 85 components and 0.695182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314296Jy sigma=0.001246 ! Fit after self-cal, rms=0.314300Jy sigma=0.001246 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.314300Jy sigma=0.001246 ! Fit after self-cal, rms=0.314050Jy sigma=0.001246 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.989 mas, bmaj=9.718 mas, bpa=-20.5 degrees ! Estimated noise=1311.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00216564 Jy ! Component: 100 - total flux cleaned = 0.00255282 Jy ! Component: 150 - total flux cleaned = 0.00266037 Jy ! Component: 200 - total flux cleaned = 0.00266014 Jy ! Total flux subtracted in 200 components = 0.00266014 Jy ! Clean residual min=-0.005258 max=0.004562 Jy/beam ! Clean residual mean=-0.000154 rms=0.001462 Jy/beam ! Combined flux in latest and established models = 0.697842 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 98 components and 0.697842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314053Jy sigma=0.001246 ! Fit after self-cal, rms=0.314038Jy sigma=0.001246 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 = 0.0004841 Jy ! Component: 100 - total flux cleaned = 0.000485861 Jy ! Component: 150 - total flux cleaned = 0.000485568 Jy ! Component: 200 - total flux cleaned = 0.000483996 Jy ! Total flux subtracted in 200 components = 0.000483996 Jy ! Clean residual min=-0.005224 max=0.004492 Jy/beam ! Clean residual mean=-0.000159 rms=0.001447 Jy/beam ! Combined flux in latest and established models = 0.698326 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 100 components and 0.698326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314038Jy sigma=0.001246 ! Fit after self-cal, rms=0.314037Jy sigma=0.001246 ! 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=2.232 mas, bmaj=3.449 mas, bpa=5.105 degrees ! Estimated noise=1074.33 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.232 x 3.449 at 5.105 degrees (North through East) ! Clean map min=-0.0045488 max=0.51855 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=0.314037Jy sigma=0.001246 ! Fit after self-cal, rms=0.576374Jy sigma=0.001144 ! Inverting map and beam ! Estimated beam: bmin=2.234 mas, bmaj=3.459 mas, bpa=4.983 degrees ! Estimated noise=1074.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000973088 Jy ! Component: 100 - total flux cleaned = 0.000820769 Jy ! Component: 150 - total flux cleaned = 0.000684459 Jy ! Component: 200 - total flux cleaned = 0.000621214 Jy ! Total flux subtracted in 200 components = 0.000621214 Jy ! Clean residual min=-0.005145 max=0.004794 Jy/beam ! Clean residual mean=-0.000067 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 0.698947 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 108 components and 0.698947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.576330Jy sigma=0.001143 ! Fit after self-cal, rms=0.576358Jy sigma=0.001143 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000317199 Jy ! Component: 100 - total flux cleaned = 0.00026051 Jy ! Component: 150 - total flux cleaned = 0.000204165 Jy ! Component: 200 - total flux cleaned = 0.00015041 Jy ! Total flux subtracted in 200 components = 0.00015041 Jy ! Clean residual min=-0.005140 max=0.004839 Jy/beam ! Clean residual mean=-0.000068 rms=0.001170 Jy/beam ! Combined flux in latest and established models = 0.699097 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 110 components and 0.699097 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.576334Jy sigma=0.001143 ! Fit after self-cal, rms=0.576331Jy sigma=0.001143 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.576331Jy sigma=0.001143 ! Fit after self-cal, rms=0.698473Jy sigma=0.001143 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=1.694 mas, bmaj=2.75 mas, bpa=5.32 degrees ! Estimated noise=1640.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.391566 Jy ! Component: 100 - total flux cleaned = 0.494763 Jy ! Component: 150 - total flux cleaned = 0.545409 Jy ! Component: 200 - total flux cleaned = 0.578031 Jy ! Total flux subtracted in 200 components = 0.578031 Jy ! Clean residual min=-0.011280 max=0.018605 Jy/beam ! Clean residual mean=0.000218 rms=0.002972 Jy/beam ! Combined flux in latest and established models = 0.578031 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.578031 Jy ! Inverting map and beam ! Estimated beam: bmin=2.235 mas, bmaj=3.46 mas, bpa=4.944 degrees ! Estimated noise=1074.46 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 = 0.0444008 Jy ! Component: 100 - total flux cleaned = 0.0709079 Jy ! Component: 150 - total flux cleaned = 0.0878391 Jy ! Component: 200 - total flux cleaned = 0.0990333 Jy ! Total flux subtracted in 200 components = 0.0990333 Jy ! Clean residual min=-0.005934 max=0.006413 Jy/beam ! Clean residual mean=0.000033 rms=0.001600 Jy/beam ! Combined flux in latest and established models = 0.677064 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 63 components and 0.677064 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.981 mas, bmaj=9.699 mas, bpa=-21.27 degrees ! Estimated noise=1311.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117717 Jy ! Component: 100 - total flux cleaned = 0.0174031 Jy ! Component: 150 - total flux cleaned = 0.0203749 Jy ! Component: 200 - total flux cleaned = 0.0219626 Jy ! Total flux subtracted in 200 components = 0.0219626 Jy ! Clean residual min=-0.005315 max=0.004632 Jy/beam ! Clean residual mean=-0.000148 rms=0.001422 Jy/beam ! Combined flux in latest and established models = 0.699027 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 = 0.000439531 Jy ! Component: 100 - total flux cleaned = 0.000503573 Jy ! Component: 150 - total flux cleaned = 0.000561255 Jy ! Component: 200 - total flux cleaned = 0.000614121 Jy ! Total flux subtracted in 200 components = 0.000614121 Jy ! Clean residual min=-0.005197 max=0.004583 Jy/beam ! Clean residual mean=-0.000155 rms=0.001412 Jy/beam ! Combined flux in latest and established models = 0.699641 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 87 components and 0.699641 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.235 mas, bmaj=3.46 mas, bpa=4.944 degrees ! Estimated noise=1074.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000270586 Jy ! Component: 100 - total flux cleaned = -0.000437435 Jy ! Component: 150 - total flux cleaned = -0.00058737 Jy ! Component: 200 - total flux cleaned = -0.000653921 Jy ! Total flux subtracted in 200 components = -0.000653921 Jy ! Clean residual min=-0.004966 max=0.004725 Jy/beam ! Clean residual mean=-0.000063 rms=0.001171 Jy/beam ! Combined flux in latest and established models = 0.698987 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 100 components and 0.698987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.698438Jy sigma=0.001143 ! Fit after self-cal, rms=0.698452Jy sigma=0.001143 wmodel J0700+1709_S_2008_04_02_pus_map.mod ! Writing 100 model components to file: J0700+1709_S_2008_04_02_pus_map.mod wobs J0700+1709_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0700+1709_S_2008_04_02_pus_uvs.fits wwins J0700+1709_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0700+1709_S_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 = -0.00146713 Jy ! Component: 100 - total flux cleaned = -0.00245741 Jy ! Component: 150 - total flux cleaned = -0.00316224 Jy ! Component: 200 - total flux cleaned = -0.00308706 Jy ! Component: 250 - total flux cleaned = -0.00337327 Jy ! Component: 300 - total flux cleaned = -0.00358225 Jy ! Component: 350 - total flux cleaned = -0.00405686 Jy ! Component: 400 - total flux cleaned = -0.00438764 Jy ! Component: 450 - total flux cleaned = -0.00471266 Jy ! Component: 500 - total flux cleaned = -0.00515875 Jy ! Component: 550 - total flux cleaned = -0.0054718 Jy ! Component: 600 - total flux cleaned = -0.00596321 Jy ! Component: 650 - total flux cleaned = -0.00608465 Jy ! Component: 700 - total flux cleaned = -0.00650348 Jy ! Component: 750 - total flux cleaned = -0.00685722 Jy ! Component: 800 - total flux cleaned = -0.00703109 Jy ! Component: 850 - total flux cleaned = -0.0072618 Jy ! Component: 900 - total flux cleaned = -0.00754621 Jy ! Component: 950 - total flux cleaned = -0.00776991 Jy ! Component: 1000 - total flux cleaned = -0.00788118 Jy ! Component: 1050 - total flux cleaned = -0.00815602 Jy ! Component: 1100 - total flux cleaned = -0.00826493 Jy ! Component: 1150 - total flux cleaned = -0.00848049 Jy ! Component: 1200 - total flux cleaned = -0.00864093 Jy ! Component: 1250 - total flux cleaned = -0.00869426 Jy ! Component: 1300 - total flux cleaned = -0.00890365 Jy ! Component: 1350 - total flux cleaned = -0.00895614 Jy ! Component: 1400 - total flux cleaned = -0.0091622 Jy ! Component: 1450 - total flux cleaned = -0.00926405 Jy ! Component: 1500 - total flux cleaned = -0.00941626 Jy ! Component: 1550 - total flux cleaned = -0.00956705 Jy ! Component: 1600 - total flux cleaned = -0.00951691 Jy ! Component: 1650 - total flux cleaned = -0.0096656 Jy ! Component: 1700 - total flux cleaned = -0.00991089 Jy ! Component: 1750 - total flux cleaned = -0.0100076 Jy ! Component: 1800 - total flux cleaned = -0.0102008 Jy ! Component: 1850 - total flux cleaned = -0.0102489 Jy ! Component: 1900 - total flux cleaned = -0.0104395 Jy ! Component: 1950 - total flux cleaned = -0.0105344 Jy ! Component: 2000 - total flux cleaned = -0.0106754 Jy ! Total flux subtracted in 2048 components = -0.0108147 Jy ! Clean residual min=-0.002848 max=0.003374 Jy/beam ! Clean residual mean=-0.000028 rms=0.000824 Jy/beam ! Combined flux in latest and established models = 0.688173 Jy keep ! Adding 135 model components to the UV plane model. ! The established model now contains 235 components and 0.688173 Jy wmap "J0700+1709_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.235 x 3.46 at 4.944 degrees (North through East) ! Clean map min=-0.0037367 max=0.52035 Jy/beam ! Writing clean map to FITS file: J0700+1709_S_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 0.52035 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000825064 device "J0700+1709_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0700+1709_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.475678 0.475678 0.951357 1.90271 3.80543 7.61086 15.2217 30.4434 60.8868 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.52 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.235 x 3.46 at 4.944 degrees (North through East) ! Clean map min=-0.0037367 max=0.52035 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0700+1709_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0700+1709_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0700+1709_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:37:55 2010