! Started logfile: J2255-0844_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:54:27 2010 obs J2255-0844_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2255-0844_X_2008_04_02_pus_uva.fits ! AN table 1: 706 integrations on 120 of 120 possible baselines. ! AN table 2: 124 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0917369 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2255-0844 ! ! 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 2288 lines of history. ! ! Reading 36548 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 8316 telescope corrections were flagged in sub-array 1. ! A total of 924 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 8407 telescope corrections were flagged in sub-array 1. ! A total of 924 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 8311 telescope corrections were flagged in sub-array 1. ! A total of 924 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 8410 telescope corrections were flagged in sub-array 1. ! A total of 924 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.918678Jy sigma=0.006241 ! Fit after self-cal, rms=0.761738Jy sigma=0.005321 ! 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=0.6427 mas, bmaj=0.7428 mas, bpa=-15.5 degrees ! Estimated noise=1413.23 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 (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.207339 Jy ! Component: 100 - total flux cleaned = 0.258095 Jy ! Total flux subtracted in 100 components = 0.258095 Jy ! Clean residual min=-0.014020 max=0.024024 Jy/beam ! Clean residual mean=0.000050 rms=0.003297 Jy/beam ! Combined flux in latest and established models = 0.258095 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.258095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246523Jy sigma=0.001194 ! Fit after self-cal, rms=0.246342Jy sigma=0.001193 ! Inverting map ! Added new window around map position (-0.4, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195327 Jy ! Component: 100 - total flux cleaned = 0.0208161 Jy ! Total flux subtracted in 100 components = 0.0208161 Jy ! Clean residual min=-0.011222 max=0.013535 Jy/beam ! Clean residual mean=0.000034 rms=0.002653 Jy/beam ! Combined flux in latest and established models = 0.278912 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.278912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243564Jy sigma=0.001182 ! Fit after self-cal, rms=0.243163Jy sigma=0.001182 ! 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=0.8264 mas, bmaj=0.9196 mas, bpa=-27.22 degrees ! Estimated noise=577.626 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 = 0.00147035 Jy ! Component: 100 - total flux cleaned = 0.00147605 Jy ! Component: 150 - total flux cleaned = 0.00124955 Jy ! Component: 200 - total flux cleaned = 0.00125944 Jy ! Total flux subtracted in 200 components = 0.00125944 Jy ! Clean residual min=-0.007708 max=0.014255 Jy/beam ! Clean residual mean=0.000125 rms=0.003085 Jy/beam ! Combined flux in latest and established models = 0.280171 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.280171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242292Jy sigma=0.001179 ! Fit after self-cal, rms=0.241801Jy sigma=0.001179 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 162 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.94 HN 1.02 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.91 OV 1.00* ! PT 1.00* SC 1.05 WZ 0.98 ZC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 HH 1.00* HN 1.00* ! KK 0.96 KP 1.05 LA 0.96 MK 0.98 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 435 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.90 HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.96 OV 1.00* ! PT 1.00* SC 1.05 WZ 1.02 ZC 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.95 HH 1.00* HN 1.00* ! KK 0.98 KP 1.02 LA 0.94 MK 1.00 ! NL 0.97 NY 1.00* ON 1.00* OV 1.01 ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 171 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.88 HN 0.94 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.88 OV 1.00* ! PT 1.00* SC 1.08 WZ 1.06 ZC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.97 HH 1.00* HN 1.00* ! KK 1.07 KP 1.05 LA 0.97 MK 1.01 ! NL 0.99 NY 1.00* ON 1.00* OV 1.04 ! PT 1.06 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 396 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.88 HN 1.04 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.94 OV 1.00* ! PT 1.00* SC 1.05 WZ 1.05 ZC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 HH 1.00* HN 1.00* ! KK 1.06 KP 1.02 LA 1.00 MK 1.01 ! NL 1.01 NY 1.00* ON 1.00* OV 1.04 ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.241801Jy sigma=0.001179 ! Fit after self-cal, rms=0.227142Jy sigma=0.001180 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8326 mas, bmaj=0.8997 mas, bpa=-26.91 degrees ! Estimated noise=576.485 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 = 0.00162851 Jy ! Component: 100 - total flux cleaned = 0.00176296 Jy ! Component: 150 - total flux cleaned = 0.00187705 Jy ! Component: 200 - total flux cleaned = 0.00197675 Jy ! Total flux subtracted in 200 components = 0.00197675 Jy ! Clean residual min=-0.006717 max=0.012968 Jy/beam ! Clean residual mean=0.000133 rms=0.002832 Jy/beam ! Combined flux in latest and established models = 0.282148 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 18 components and 0.282148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227094Jy sigma=0.001179 ! Fit after self-cal, rms=0.226036Jy sigma=0.001179 ! 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=0.226036Jy sigma=0.001179 ! Fit after self-cal, rms=0.225260Jy sigma=0.001177 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8345 mas, bmaj=0.891 mas, bpa=-29.32 degrees ! Estimated noise=577.511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000651722 Jy ! Component: 100 - total flux cleaned = 0.000822236 Jy ! Component: 150 - total flux cleaned = 0.00090263 Jy ! Component: 200 - total flux cleaned = 0.0010155 Jy ! Total flux subtracted in 200 components = 0.0010155 Jy ! Clean residual min=-0.006195 max=0.012760 Jy/beam ! Clean residual mean=0.000137 rms=0.002748 Jy/beam ! Combined flux in latest and established models = 0.283163 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 21 components and 0.283163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225246Jy sigma=0.001177 ! Fit after self-cal, rms=0.225603Jy sigma=0.001176 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 (-11.4, -5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118801 Jy ! Component: 100 - total flux cleaned = 0.0176314 Jy ! Component: 150 - total flux cleaned = 0.021199 Jy ! Component: 200 - total flux cleaned = 0.0236087 Jy ! Total flux subtracted in 200 components = 0.0236087 Jy ! Clean residual min=-0.006002 max=0.011127 Jy/beam ! Clean residual mean=0.000121 rms=0.002227 Jy/beam ! Combined flux in latest and established models = 0.306772 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 48 components and 0.306772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225182Jy sigma=0.001169 ! Fit after self-cal, rms=0.224984Jy sigma=0.001169 ! Inverting map ! Added new window around map position (-3.6, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103517 Jy ! Component: 100 - total flux cleaned = 0.0153599 Jy ! Component: 150 - total flux cleaned = 0.0188264 Jy ! Component: 200 - total flux cleaned = 0.0215971 Jy ! Total flux subtracted in 200 components = 0.0215971 Jy ! Clean residual min=-0.004933 max=0.009365 Jy/beam ! Clean residual mean=0.000062 rms=0.001639 Jy/beam ! Combined flux in latest and established models = 0.328369 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 71 components and 0.328369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224696Jy sigma=0.001163 ! Fit after self-cal, rms=0.224742Jy sigma=0.001162 ! Inverting map ! Added new window around map position (-9, -8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0083705 Jy ! Component: 100 - total flux cleaned = 0.012586 Jy ! Component: 150 - total flux cleaned = 0.0155317 Jy ! Component: 200 - total flux cleaned = 0.0179062 Jy ! Total flux subtracted in 200 components = 0.0179062 Jy ! Clean residual min=-0.004091 max=0.004966 Jy/beam ! Clean residual mean=0.000045 rms=0.001148 Jy/beam ! Combined flux in latest and established models = 0.346275 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 95 components and 0.346275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224512Jy sigma=0.001158 ! Fit after self-cal, rms=0.224412Jy sigma=0.001158 ! 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=0.224412Jy sigma=0.001158 ! Fit after self-cal, rms=0.222825Jy sigma=0.001156 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8365 mas, bmaj=0.8915 mas, bpa=-29.7 degrees ! Estimated noise=575.693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00356779 Jy ! Component: 100 - total flux cleaned = 0.00592271 Jy ! Component: 150 - total flux cleaned = 0.00772996 Jy ! Component: 200 - total flux cleaned = 0.00897157 Jy ! Total flux subtracted in 200 components = 0.00897157 Jy ! Clean residual min=-0.003227 max=0.003564 Jy/beam ! Clean residual mean=0.000009 rms=0.000829 Jy/beam ! Combined flux in latest and established models = 0.355247 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 106 components and 0.355247 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222772Jy sigma=0.001155 ! Fit after self-cal, rms=0.223090Jy sigma=0.001155 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 (-12.4, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00314538 Jy ! Component: 100 - total flux cleaned = 0.00483298 Jy ! Component: 150 - total flux cleaned = 0.00591042 Jy ! Component: 200 - total flux cleaned = 0.00663637 Jy ! Total flux subtracted in 200 components = 0.00663637 Jy ! Clean residual min=-0.003356 max=0.002787 Jy/beam ! Clean residual mean=-0.000001 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 0.361883 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 120 components and 0.361883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223040Jy sigma=0.001154 ! Fit after self-cal, rms=0.223059Jy sigma=0.001154 ! 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=0.223059Jy sigma=0.001154 ! Fit after self-cal, rms=0.224215Jy sigma=0.001154 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.349 mas, bmaj=4.589 mas, bpa=17.33 degrees ! Estimated noise=702.703 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224654 Jy ! Component: 100 - total flux cleaned = 0.00320136 Jy ! Component: 150 - total flux cleaned = 0.00366339 Jy ! Component: 200 - total flux cleaned = 0.0039344 Jy ! Total flux subtracted in 200 components = 0.0039344 Jy ! Clean residual min=-0.003145 max=0.003062 Jy/beam ! Clean residual mean=-0.000016 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 0.365818 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 143 components and 0.365818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224218Jy sigma=0.001154 ! Fit after self-cal, rms=0.224375Jy sigma=0.001154 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 = 0.000420569 Jy ! Component: 100 - total flux cleaned = 0.000690199 Jy ! Component: 150 - total flux cleaned = 0.00084047 Jy ! Component: 200 - total flux cleaned = 0.000922367 Jy ! Total flux subtracted in 200 components = 0.000922367 Jy ! Clean residual min=-0.003170 max=0.003193 Jy/beam ! Clean residual mean=-0.000018 rms=0.000893 Jy/beam ! Combined flux in latest and established models = 0.36674 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 151 components and 0.36674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224377Jy sigma=0.001154 ! Fit after self-cal, rms=0.224365Jy sigma=0.001154 ! 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=0.837 mas, bmaj=0.8926 mas, bpa=-29.36 degrees ! Estimated noise=576.193 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.837 x 0.8926 at -29.36 degrees (North through East) ! Clean map min=-0.0026783 max=0.26215 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6603 mas, bmaj=0.7076 mas, bpa=-14.7 degrees ! Estimated noise=1399.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.204939 Jy ! Component: 100 - total flux cleaned = 0.253939 Jy ! Component: 150 - total flux cleaned = 0.275162 Jy ! Component: 200 - total flux cleaned = 0.288786 Jy ! Total flux subtracted in 200 components = 0.288786 Jy ! Clean residual min=-0.009418 max=0.009151 Jy/beam ! Clean residual mean=0.000028 rms=0.002098 Jy/beam ! Combined flux in latest and established models = 0.288786 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 0.288786 Jy ! Inverting map and beam ! Estimated beam: bmin=0.837 mas, bmaj=0.8926 mas, bpa=-29.36 degrees ! Estimated noise=576.193 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 = 0.014814 Jy ! Component: 100 - total flux cleaned = 0.0252687 Jy ! Component: 150 - total flux cleaned = 0.0334994 Jy ! Component: 200 - total flux cleaned = 0.0398613 Jy ! Total flux subtracted in 200 components = 0.0398613 Jy ! Clean residual min=-0.004493 max=0.005910 Jy/beam ! Clean residual mean=0.000045 rms=0.001400 Jy/beam ! Combined flux in latest and established models = 0.328648 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 54 components and 0.328648 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=2.349 mas, bmaj=4.589 mas, bpa=17.33 degrees ! Estimated noise=702.703 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0095439 Jy ! Component: 100 - total flux cleaned = 0.0158847 Jy ! Component: 150 - total flux cleaned = 0.0204777 Jy ! Component: 200 - total flux cleaned = 0.0239759 Jy ! Total flux subtracted in 200 components = 0.0239759 Jy ! Clean residual min=-0.003339 max=0.003301 Jy/beam ! Clean residual mean=0.000033 rms=0.001169 Jy/beam ! Combined flux in latest and established models = 0.352624 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 = 0.00274732 Jy ! Component: 100 - total flux cleaned = 0.00494518 Jy ! Component: 150 - total flux cleaned = 0.00672775 Jy ! Component: 200 - total flux cleaned = 0.00819468 Jy ! Total flux subtracted in 200 components = 0.00819468 Jy ! Clean residual min=-0.003132 max=0.003154 Jy/beam ! Clean residual mean=0.000003 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.360818 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 136 components and 0.360818 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.837 mas, bmaj=0.8926 mas, bpa=-29.36 degrees ! Estimated noise=576.193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.65716e-05 Jy ! Component: 100 - total flux cleaned = 4.28977e-05 Jy ! Component: 150 - total flux cleaned = 3.81001e-05 Jy ! Component: 200 - total flux cleaned = -8.58784e-05 Jy ! Total flux subtracted in 200 components = -8.58784e-05 Jy ! Clean residual min=-0.003142 max=0.003171 Jy/beam ! Clean residual mean=0.000002 rms=0.000743 Jy/beam ! Combined flux in latest and established models = 0.360733 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 140 components and 0.360732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224580Jy sigma=0.001155 ! Fit after self-cal, rms=0.224670Jy sigma=0.001155 wmodel J2255-0844_X_2008_04_02_pus_map.mod ! Writing 140 model components to file: J2255-0844_X_2008_04_02_pus_map.mod wobs J2255-0844_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2255-0844_X_2008_04_02_pus_uvs.fits wwins J2255-0844_X_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J2255-0844_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 = -0.000600539 Jy ! Component: 100 - total flux cleaned = -0.000794448 Jy ! Component: 150 - total flux cleaned = -0.0010275 Jy ! Component: 200 - total flux cleaned = -0.00129655 Jy ! Component: 250 - total flux cleaned = -0.001724 Jy ! Component: 300 - total flux cleaned = -0.00201506 Jy ! Component: 350 - total flux cleaned = -0.00225843 Jy ! Component: 400 - total flux cleaned = -0.00257311 Jy ! Component: 450 - total flux cleaned = -0.00280271 Jy ! Component: 500 - total flux cleaned = -0.00295319 Jy ! Component: 550 - total flux cleaned = -0.00317337 Jy ! Component: 600 - total flux cleaned = -0.00313709 Jy ! Component: 650 - total flux cleaned = -0.00334929 Jy ! Component: 700 - total flux cleaned = -0.00341913 Jy ! Component: 750 - total flux cleaned = -0.00355557 Jy ! Component: 800 - total flux cleaned = -0.00382315 Jy ! Component: 850 - total flux cleaned = -0.00398752 Jy ! Component: 900 - total flux cleaned = -0.00418142 Jy ! Component: 950 - total flux cleaned = -0.00430908 Jy ! Component: 1000 - total flux cleaned = -0.00455945 Jy ! Component: 1050 - total flux cleaned = -0.0047442 Jy ! Component: 1100 - total flux cleaned = -0.00489541 Jy ! Component: 1150 - total flux cleaned = -0.00492537 Jy ! Component: 1200 - total flux cleaned = -0.00501405 Jy ! Component: 1250 - total flux cleaned = -0.00510173 Jy ! Component: 1300 - total flux cleaned = -0.00527387 Jy ! Component: 1350 - total flux cleaned = -0.00530232 Jy ! Component: 1400 - total flux cleaned = -0.00546976 Jy ! Component: 1450 - total flux cleaned = -0.00558026 Jy ! Component: 1500 - total flux cleaned = -0.00574459 Jy ! Component: 1550 - total flux cleaned = -0.00579875 Jy ! Component: 1600 - total flux cleaned = -0.00595944 Jy ! Component: 1650 - total flux cleaned = -0.00609169 Jy ! Component: 1700 - total flux cleaned = -0.00624887 Jy ! Component: 1750 - total flux cleaned = -0.00635229 Jy ! Component: 1800 - total flux cleaned = -0.00635194 Jy ! Component: 1850 - total flux cleaned = -0.00647938 Jy ! Component: 1900 - total flux cleaned = -0.00652991 Jy ! Component: 1950 - total flux cleaned = -0.00660494 Jy ! Component: 2000 - total flux cleaned = -0.00677824 Jy ! Total flux subtracted in 2048 components = -0.00677801 Jy ! Clean residual min=-0.001682 max=0.001559 Jy/beam ! Clean residual mean=-0.000010 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.353954 Jy keep ! Adding 124 model components to the UV plane model. ! The established model now contains 263 components and 0.353954 Jy wmap "J2255-0844_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.837 x 0.8926 at -29.36 degrees (North through East) ! Clean map min=-0.0019926 max=0.25956 Jy/beam ! Writing clean map to FITS file: J2255-0844_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 0.259557 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000418107 device "J2255-0844_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2255-0844_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.483255 0.483255 0.96651 1.93302 3.86604 7.73208 15.4642 30.9283 61.8566 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.259 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.837 x 0.8926 at -29.36 degrees (North through East) ! Clean map min=-0.0019926 max=0.25956 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2255-0844_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2255-0844_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2255-0844_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:54:39 2010