! Started logfile: J0921-2618_S_1998_10_01_pus_uvs.log on Thu Feb 7 17:09:05 2008 obs J0921-2618_S_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0921-2618_S_1998_10_01_pus_uva.fits ! AN table 1: 53 integrations on 136 of 136 possible baselines. ! AN table 2: 212 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0863485 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! ! 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 2.22298e+09 4e+06 1 4e+06 ! 02 2 2.24298e+09 4e+06 1 4e+06 ! 03 3 2.33298e+09 4e+06 1 4e+06 ! 04 4 2.36298e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 1537 lines of history. ! ! Reading 12448 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 ![@muppet J0921-2618_S_1998_10_01_pus] 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 589 telescope corrections were flagged in sub-array 1. ! A total of 2795 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 2795 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 2795 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 2795 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.808145Jy sigma=0.005842 ! Fit after self-cal, rms=0.448592Jy sigma=0.003176 ! 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=3.321 mas, bmaj=10.22 mas, bpa=16.81 degrees ! Estimated noise=1514.85 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 = 0.640884 Jy ! Component: 100 - total flux cleaned = 0.86499 Jy ! Total flux subtracted in 100 components = 0.86499 Jy ! Clean residual min=-0.030487 max=0.100861 Jy/beam ! Clean residual mean=0.000557 rms=0.014080 Jy/beam ! Combined flux in latest and established models = 0.86499 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.86499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397018Jy sigma=0.002865 ! Fit after self-cal, rms=0.396743Jy sigma=0.002862 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.114997 Jy ! Component: 100 - total flux cleaned = 0.18309 Jy ! Total flux subtracted in 100 components = 0.18309 Jy ! Clean residual min=-0.020709 max=0.039232 Jy/beam ! Clean residual mean=0.000191 rms=0.007531 Jy/beam ! Combined flux in latest and established models = 1.04808 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 41 components and 1.04808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340918Jy sigma=0.002384 ! Fit after self-cal, rms=0.340771Jy sigma=0.002383 ! 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=3.983 mas, bmaj=12.55 mas, bpa=18.34 degrees ! Estimated noise=874.525 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 = 0.0750571 Jy ! Component: 100 - total flux cleaned = 0.113175 Jy ! Component: 150 - total flux cleaned = 0.134142 Jy ! Component: 200 - total flux cleaned = 0.146133 Jy ! Total flux subtracted in 200 components = 0.146133 Jy ! Clean residual min=-0.013805 max=0.025306 Jy/beam ! Clean residual mean=-0.000459 rms=0.004628 Jy/beam ! Combined flux in latest and established models = 1.19421 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 108 components and 1.19421 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326009Jy sigma=0.002252 ! Fit after self-cal, rms=0.325965Jy sigma=0.002251 ! Inverting map ! Added new window around map position (-8, 1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0224654 Jy ! Component: 100 - total flux cleaned = 0.0245863 Jy ! Component: 150 - total flux cleaned = 0.024287 Jy ! Component: 200 - total flux cleaned = 0.0240529 Jy ! Total flux subtracted in 200 components = 0.0240529 Jy ! Clean residual min=-0.012193 max=0.011730 Jy/beam ! Clean residual mean=-0.000704 rms=0.003721 Jy/beam ! Combined flux in latest and established models = 1.21827 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 140 components and 1.21827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324338Jy sigma=0.002240 ! Fit after self-cal, rms=0.324130Jy sigma=0.002238 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HN 1.00* ! KK 1.00* KP 1.02 LA 0.99 MK 1.00* ! NL 1.10 NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 1.02 WF 0.99 MC 1.00* ! GN 0.98 ! ! A total of 156 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 GC 1.00* HN 1.00* ! KK 1.00* KP 0.94 LA 0.94 MK 1.00* ! NL 1.01 NY 1.00* ON 1.00* OV 1.00 ! PT 1.02 SC 1.06 WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 1.07 MK 1.00* ! NL 1.11 NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 1.11 WF 1.04 MC 1.00* ! GN 0.94 ! ! A total of 156 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 GC 1.00* HN 1.00* ! KK 1.00* KP 0.93 LA 1.01 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 1.00 ! PT 1.02 SC 1.06 WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 GC 1.00* HN 1.00* ! KK 1.00* KP 1.00 LA 1.02 MK 1.00* ! NL 1.10 NY 1.00* ON 1.00* OV 1.00* ! PT 1.02 SC 0.98 WF 1.10 MC 1.00* ! GN 0.96 ! ! A total of 156 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 GC 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 1.00 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 0.99 ! PT 1.01 SC 0.99 WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.00* KP 1.04 LA 1.04 MK 1.00* ! NL 1.12 NY 1.00* ON 1.00* OV 1.00* ! PT 1.04 SC 0.99 WF 0.95 MC 1.00* ! GN 0.95 ! ! A total of 156 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 1.00 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 1.02 ! PT 1.07 SC 0.93 WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Fit before self-cal, rms=0.324130Jy sigma=0.002238 ! Fit after self-cal, rms=0.328318Jy sigma=0.002230 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.233 mas, bmaj=12.74 mas, bpa=16.89 degrees ! Estimated noise=899.513 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 = 0.00646131 Jy ! Component: 100 - total flux cleaned = 0.00647818 Jy ! Component: 150 - total flux cleaned = 0.00624629 Jy ! Component: 200 - total flux cleaned = 0.00662309 Jy ! Total flux subtracted in 200 components = 0.00662309 Jy ! Clean residual min=-0.007105 max=0.007421 Jy/beam ! Clean residual mean=-0.000129 rms=0.002142 Jy/beam ! Combined flux in latest and established models = 1.22489 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 165 components and 1.22489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327848Jy sigma=0.002226 ! Fit after self-cal, rms=0.327875Jy sigma=0.002225 ! 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=0.327875Jy sigma=0.002225 ! Fit after self-cal, rms=0.327503Jy sigma=0.002222 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.231 mas, bmaj=12.74 mas, bpa=16.85 degrees ! Estimated noise=898.454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00571072 Jy ! Component: 100 - total flux cleaned = 0.00605309 Jy ! Component: 150 - total flux cleaned = 0.00605604 Jy ! Component: 200 - total flux cleaned = 0.00616774 Jy ! Total flux subtracted in 200 components = 0.00616774 Jy ! Clean residual min=-0.006223 max=0.006616 Jy/beam ! Clean residual mean=-0.000131 rms=0.001864 Jy/beam ! Combined flux in latest and established models = 1.23106 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 186 components and 1.23106 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327356Jy sigma=0.002221 ! Fit after self-cal, rms=0.327341Jy sigma=0.002221 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 = 0.00144638 Jy ! Component: 100 - total flux cleaned = 0.00154979 Jy ! Component: 150 - total flux cleaned = 0.00154785 Jy ! Component: 200 - total flux cleaned = 0.00147313 Jy ! Total flux subtracted in 200 components = 0.00147313 Jy ! Clean residual min=-0.005949 max=0.006454 Jy/beam ! Clean residual mean=-0.000150 rms=0.001833 Jy/beam ! Combined flux in latest and established models = 1.23253 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 203 components and 1.23253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327288Jy sigma=0.002221 ! Fit after self-cal, rms=0.327282Jy sigma=0.002221 ! 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=0.327282Jy sigma=0.002221 ! Fit after self-cal, rms=0.327603Jy sigma=0.002220 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.23 mas, bmaj=12.75 mas, bpa=16.86 degrees ! Estimated noise=898.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296761 Jy ! Component: 100 - total flux cleaned = 0.00334869 Jy ! Component: 150 - total flux cleaned = 0.00334909 Jy ! Component: 200 - total flux cleaned = 0.00349528 Jy ! Total flux subtracted in 200 components = 0.00349528 Jy ! Clean residual min=-0.005736 max=0.006531 Jy/beam ! Clean residual mean=-0.000127 rms=0.001754 Jy/beam ! Combined flux in latest and established models = 1.23602 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 216 components and 1.23602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327549Jy sigma=0.002220 ! Fit after self-cal, rms=0.327546Jy sigma=0.002220 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 = 0.00040636 Jy ! Component: 100 - total flux cleaned = 0.000407755 Jy ! Component: 150 - total flux cleaned = 0.000284966 Jy ! Component: 200 - total flux cleaned = 0.000227601 Jy ! Total flux subtracted in 200 components = 0.000227601 Jy ! Clean residual min=-0.005588 max=0.006412 Jy/beam ! Clean residual mean=-0.000132 rms=0.001733 Jy/beam ! Combined flux in latest and established models = 1.23625 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 222 components and 1.23625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327519Jy sigma=0.002220 ! Fit after self-cal, rms=0.327517Jy sigma=0.002220 ! 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=0.327517Jy sigma=0.002220 ! Fit after self-cal, rms=0.327787Jy sigma=0.002220 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.016 mas, bmaj=19.22 mas, bpa=1.061 degrees ! Estimated noise=1010.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000410315 Jy ! Component: 100 - total flux cleaned = 0.00070163 Jy ! Component: 150 - total flux cleaned = 0.00076284 Jy ! Component: 200 - total flux cleaned = 0.000868781 Jy ! Total flux subtracted in 200 components = 0.000868781 Jy ! Clean residual min=-0.005750 max=0.005467 Jy/beam ! Clean residual mean=-0.000172 rms=0.001783 Jy/beam ! Combined flux in latest and established models = 1.23712 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 231 components and 1.23712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327768Jy sigma=0.002220 ! Fit after self-cal, rms=0.327767Jy sigma=0.002220 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 = 0.000163201 Jy ! Component: 100 - total flux cleaned = 0.000265154 Jy ! Component: 150 - total flux cleaned = 0.000310022 Jy ! Component: 200 - total flux cleaned = 0.000391565 Jy ! Total flux subtracted in 200 components = 0.000391565 Jy ! Clean residual min=-0.005558 max=0.005354 Jy/beam ! Clean residual mean=-0.000182 rms=0.001758 Jy/beam ! Combined flux in latest and established models = 1.23751 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 239 components and 1.23751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327759Jy sigma=0.002219 ! Fit after self-cal, rms=0.327755Jy sigma=0.002219 ! 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=4.23 mas, bmaj=12.75 mas, bpa=16.88 degrees ! Estimated noise=898.35 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.23 x 12.75 at 16.88 degrees (North through East) ! Clean map min=-0.0056366 max=0.8714 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=0.327755Jy sigma=0.002219 ! Fit after self-cal, rms=0.319182Jy sigma=0.001988 ! Inverting map and beam ! Estimated beam: bmin=4.223 mas, bmaj=12.74 mas, bpa=16.83 degrees ! Estimated noise=896.903 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000647128 Jy ! Component: 100 - total flux cleaned = 0.000923061 Jy ! Component: 150 - total flux cleaned = 0.000979148 Jy ! Component: 200 - total flux cleaned = 0.00103025 Jy ! Total flux subtracted in 200 components = 0.00103025 Jy ! Clean residual min=-0.005542 max=0.006051 Jy/beam ! Clean residual mean=-0.000051 rms=0.001649 Jy/beam ! Combined flux in latest and established models = 1.23854 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 251 components and 1.23854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319160Jy sigma=0.001988 ! Fit after self-cal, rms=0.319162Jy sigma=0.001988 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000295917 Jy ! Component: 100 - total flux cleaned = 0.000294389 Jy ! Component: 150 - total flux cleaned = 0.000341229 Jy ! Component: 200 - total flux cleaned = 0.000297263 Jy ! Total flux subtracted in 200 components = 0.000297263 Jy ! Clean residual min=-0.005441 max=0.005968 Jy/beam ! Clean residual mean=-0.000055 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 1.23884 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 256 components and 1.23884 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319151Jy sigma=0.001988 ! Fit after self-cal, rms=0.319150Jy sigma=0.001988 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319150Jy sigma=0.001988 ! Fit after self-cal, rms=0.319198Jy sigma=0.001987 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=3.301 mas, bmaj=10.3 mas, bpa=16.9 degrees ! Estimated noise=1577.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.639353 Jy ! Component: 100 - total flux cleaned = 0.866298 Jy ! Component: 150 - total flux cleaned = 0.980434 Jy ! Component: 200 - total flux cleaned = 1.04998 Jy ! Total flux subtracted in 200 components = 1.04998 Jy ! Clean residual min=-0.017450 max=0.037408 Jy/beam ! Clean residual mean=0.000408 rms=0.006574 Jy/beam ! Combined flux in latest and established models = 1.04998 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 40 model components to the UV plane model. ! The established model now contains 40 components and 1.04998 Jy ! Inverting map and beam ! Estimated beam: bmin=4.222 mas, bmaj=12.75 mas, bpa=16.84 degrees ! Estimated noise=896.648 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 = 0.0791219 Jy ! Component: 100 - total flux cleaned = 0.120641 Jy ! Component: 150 - total flux cleaned = 0.143693 Jy ! Component: 200 - total flux cleaned = 0.157408 Jy ! Total flux subtracted in 200 components = 0.157408 Jy ! Clean residual min=-0.006960 max=0.007505 Jy/beam ! Clean residual mean=0.000279 rms=0.002398 Jy/beam ! Combined flux in latest and established models = 1.20738 Jy ! Adding 85 model components to the UV plane model. ! The established model now contains 113 components and 1.20738 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=9.011 mas, bmaj=19.22 mas, bpa=1.079 degrees ! Estimated noise=1009.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114288 Jy ! Component: 100 - total flux cleaned = 0.0183434 Jy ! Component: 150 - total flux cleaned = 0.0229667 Jy ! Component: 200 - total flux cleaned = 0.0261257 Jy ! Total flux subtracted in 200 components = 0.0261257 Jy ! Clean residual min=-0.005047 max=0.004921 Jy/beam ! Clean residual mean=0.000025 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 1.23351 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 = 0.00217787 Jy ! Component: 100 - total flux cleaned = 0.00353495 Jy ! Component: 150 - total flux cleaned = 0.00405972 Jy ! Component: 200 - total flux cleaned = 0.00449787 Jy ! Total flux subtracted in 200 components = 0.00449787 Jy ! Clean residual min=-0.004899 max=0.005155 Jy/beam ! Clean residual mean=-0.000052 rms=0.001737 Jy/beam ! Combined flux in latest and established models = 1.23801 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 183 components and 1.23801 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.222 mas, bmaj=12.75 mas, bpa=16.84 degrees ! Estimated noise=896.648 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.41845e-05 Jy ! Component: 100 - total flux cleaned = 0.000231335 Jy ! Component: 150 - total flux cleaned = 0.000317943 Jy ! Component: 200 - total flux cleaned = 0.000397127 Jy ! Total flux subtracted in 200 components = 0.000397127 Jy ! Clean residual min=-0.005986 max=0.005618 Jy/beam ! Clean residual mean=-0.000041 rms=0.001678 Jy/beam ! Combined flux in latest and established models = 1.2384 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 197 components and 1.2384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319350Jy sigma=0.001988 ! Fit after self-cal, rms=0.319324Jy sigma=0.001988 wmodel J0921-2618_S_1998_10_01_pus_map.mod ! Writing 197 model components to file: J0921-2618_S_1998_10_01_pus_map.mod wobs J0921-2618_S_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0921-2618_S_1998_10_01_pus_uvs.fits wwins J0921-2618_S_1998_10_01_pus_map.win ! wwins: Wrote 2 windows to J0921-2618_S_1998_10_01_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 = -0.000224106 Jy ! Component: 100 - total flux cleaned = -0.00042921 Jy ! Component: 150 - total flux cleaned = -0.000623009 Jy ! Component: 200 - total flux cleaned = -0.000803318 Jy ! Component: 250 - total flux cleaned = -0.0011514 Jy ! Component: 300 - total flux cleaned = -0.00131728 Jy ! Component: 350 - total flux cleaned = -0.00123688 Jy ! Component: 400 - total flux cleaned = -0.00139194 Jy ! Component: 450 - total flux cleaned = -0.0013915 Jy ! Component: 500 - total flux cleaned = -0.00146614 Jy ! Component: 550 - total flux cleaned = -0.00160889 Jy ! Component: 600 - total flux cleaned = -0.00146952 Jy ! Component: 650 - total flux cleaned = -0.00133432 Jy ! Component: 700 - total flux cleaned = -0.00120284 Jy ! Component: 750 - total flux cleaned = -0.00113777 Jy ! Component: 800 - total flux cleaned = -0.00107492 Jy ! Component: 850 - total flux cleaned = -0.000891797 Jy ! Component: 900 - total flux cleaned = -0.000833275 Jy ! Component: 950 - total flux cleaned = -0.000657251 Jy ! Component: 1000 - total flux cleaned = -0.000368139 Jy ! Component: 1050 - total flux cleaned = -0.000140899 Jy ! Component: 1100 - total flux cleaned = 8.21405e-05 Jy ! Component: 1150 - total flux cleaned = 0.000299315 Jy ! Component: 1200 - total flux cleaned = 0.000353432 Jy ! Component: 1250 - total flux cleaned = 0.000459894 Jy ! Component: 1300 - total flux cleaned = 0.000667876 Jy ! Component: 1350 - total flux cleaned = 0.000717796 Jy ! Component: 1400 - total flux cleaned = 0.000717511 Jy ! Component: 1450 - total flux cleaned = 0.000866663 Jy ! Component: 1500 - total flux cleaned = 0.00101433 Jy ! Component: 1550 - total flux cleaned = 0.00115956 Jy ! Component: 1600 - total flux cleaned = 0.00120742 Jy ! Component: 1650 - total flux cleaned = 0.00139462 Jy ! Component: 1700 - total flux cleaned = 0.00144015 Jy ! Component: 1750 - total flux cleaned = 0.00139431 Jy ! Component: 1800 - total flux cleaned = 0.00152943 Jy ! Component: 1850 - total flux cleaned = 0.0013957 Jy ! Component: 1900 - total flux cleaned = 0.00139603 Jy ! Component: 1950 - total flux cleaned = 0.00135276 Jy ! Component: 2000 - total flux cleaned = 0.00139528 Jy ! Total flux subtracted in 2048 components = 0.00122553 Jy ! Clean residual min=-0.002133 max=0.003281 Jy/beam ! Clean residual mean=-0.000022 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 1.23963 Jy keep ! Adding 125 model components to the UV plane model. ! The established model now contains 322 components and 1.23963 Jy ![Exited script file: muppet] wmap "J0921-2618_S_1998_10_01_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.222 x 12.75 at 16.84 degrees (North through East) ! Clean map min=-0.0056617 max=0.87275 Jy/beam ! Writing clean map to FITS file: J0921-2618_S_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.872747 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000925866 device "J0921-2618_S_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_S_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.318259 0.318259 0.636519 1.27304 2.54607 5.09215 10.1843 20.3686 40.7372 81.4744 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.872 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.222 x 12.75 at 16.84 degrees (North through East) ! Clean map min=-0.0056617 max=0.87275 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0921-2618_S_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0921-2618_S_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0921-2618_S_1998_10_01_pus_uvs.log closed on Thu Feb 7 17:09:15 2008