! Started logfile: J1925+2106_S_2008_07_09_pus_uvs.log on Wed Oct 13 13:17:34 2010 obs J1925+2106_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1925+2106_S_2008_07_09_pus_uva.fits ! AN table 1: 147 integrations on 105 of 105 possible baselines. ! AN table 2: 127 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.312617 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1925+2106 ! ! 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 1054 lines of history. ! ! Reading 35976 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 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 729 telescope corrections were flagged in sub-array 1. ! A total of 1138 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.787282Jy sigma=0.005361 ! Fit after self-cal, rms=0.617646Jy sigma=0.004537 ! 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=2.029 mas, bmaj=4.294 mas, bpa=-14.65 degrees ! Estimated noise=1208.33 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 = 0.972593 Jy ! Component: 100 - total flux cleaned = 1.32087 Jy ! Total flux subtracted in 100 components = 1.32087 Jy ! Clean residual min=-0.042436 max=0.157813 Jy/beam ! Clean residual mean=0.000095 rms=0.016374 Jy/beam ! Combined flux in latest and established models = 1.32087 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.32087 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.429103Jy sigma=0.002898 ! Fit after self-cal, rms=0.428081Jy sigma=0.002897 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.17616 Jy ! Component: 100 - total flux cleaned = 0.271667 Jy ! Total flux subtracted in 100 components = 0.271667 Jy ! Clean residual min=-0.033568 max=0.066424 Jy/beam ! Clean residual mean=0.000042 rms=0.008535 Jy/beam ! Combined flux in latest and established models = 1.59254 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 1.59254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.337080Jy sigma=0.001835 ! Fit after self-cal, rms=0.336134Jy sigma=0.001834 ! Inverting map ! Added new window around map position (-4, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0693085 Jy ! Component: 100 - total flux cleaned = 0.118597 Jy ! Total flux subtracted in 100 components = 0.118597 Jy ! Clean residual min=-0.029675 max=0.028315 Jy/beam ! Clean residual mean=0.000016 rms=0.006029 Jy/beam ! Combined flux in latest and established models = 1.71113 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 32 components and 1.71113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316586Jy sigma=0.001539 ! Fit after self-cal, rms=0.315657Jy sigma=0.001534 ! 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=2.149 mas, bmaj=5.508 mas, bpa=-16.97 degrees ! Estimated noise=589.055 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 = 0.0629969 Jy ! Component: 100 - total flux cleaned = 0.102399 Jy ! Component: 150 - total flux cleaned = 0.127692 Jy ! Component: 200 - total flux cleaned = 0.144125 Jy ! Total flux subtracted in 200 components = 0.144125 Jy ! Clean residual min=-0.017010 max=0.024204 Jy/beam ! Clean residual mean=-0.000264 rms=0.004457 Jy/beam ! Combined flux in latest and established models = 1.85526 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 53 components and 1.85526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303755Jy sigma=0.001353 ! Fit after self-cal, rms=0.302969Jy sigma=0.001347 ! Inverting map ! Added new window around map position (-24, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.023217 Jy ! Component: 100 - total flux cleaned = 0.0301911 Jy ! Component: 150 - total flux cleaned = 0.0334026 Jy ! Component: 200 - total flux cleaned = 0.0350745 Jy ! Total flux subtracted in 200 components = 0.0350745 Jy ! Clean residual min=-0.015668 max=0.013338 Jy/beam ! Clean residual mean=-0.000313 rms=0.003632 Jy/beam ! Combined flux in latest and established models = 1.89033 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 78 components and 1.89033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300506Jy sigma=0.001327 ! Fit after self-cal, rms=0.300383Jy sigma=0.001326 ! 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 0.96 FD 0.99 HH 1.00* HN 1.01 ! KK 1.02 KP 1.00 LA 1.00 MK 0.99 ! NL 0.99 NY 1.04 ON 1.01 PT 1.00 ! SC 1.03 WZ 1.00 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.26 NY 0.99 ON 0.98 PT 1.00* ! SC 1.06 WZ 0.94 ZC 1.06 ! ! ! 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 0.99 HH 1.00* HN 1.00 ! KK 0.94 KP 1.03 LA 1.00 MK 0.98 ! NL 0.95 NY 1.03 ON 1.02 PT 1.01 ! SC 1.01 WZ 1.01 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.25 NY 1.00 ON 0.92 PT 1.00* ! SC 1.02 WZ 0.98 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HH 1.00* HN 0.98 ! KK 1.03 KP 1.03 LA 1.00 MK 0.96 ! NL 1.01 NY 0.98 ON 0.98 PT 1.03 ! SC 1.02 WZ 0.99 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.97 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.30 NY 0.99 ON 0.92 PT 1.00* ! SC 1.03 WZ 0.99 ZC 1.05 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HH 1.00* HN 1.00 ! KK 1.00 KP 0.98 LA 1.00 MK 0.97 ! NL 0.97 NY 0.95 ON 1.02 PT 0.99 ! SC 1.02 WZ 0.99 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.97 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.22 NY 0.94 ON 0.93 PT 1.00* ! SC 1.08 WZ 0.99 ZC 0.81 ! ! ! Fit before self-cal, rms=0.300383Jy sigma=0.001326 ! Fit after self-cal, rms=0.286596Jy sigma=0.001223 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.149 mas, bmaj=5.535 mas, bpa=-17.03 degrees ! Estimated noise=587.81 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 = 0.00908779 Jy ! Component: 100 - total flux cleaned = 0.0116899 Jy ! Component: 150 - total flux cleaned = 0.0144258 Jy ! Component: 200 - total flux cleaned = 0.0161545 Jy ! Total flux subtracted in 200 components = 0.0161545 Jy ! Clean residual min=-0.005948 max=0.006930 Jy/beam ! Clean residual mean=-0.000129 rms=0.001777 Jy/beam ! Combined flux in latest and established models = 1.90649 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 97 components and 1.90649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286119Jy sigma=0.001217 ! Fit after self-cal, rms=0.286207Jy 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=0.286207Jy sigma=0.001216 ! Fit after self-cal, rms=0.285861Jy sigma=0.001212 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.147 mas, bmaj=5.541 mas, bpa=-17.05 degrees ! Estimated noise=587.537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00633572 Jy ! Component: 100 - total flux cleaned = 0.00797025 Jy ! Component: 150 - total flux cleaned = 0.00942693 Jy ! Component: 200 - total flux cleaned = 0.0101152 Jy ! Total flux subtracted in 200 components = 0.0101152 Jy ! Clean residual min=-0.005190 max=0.006571 Jy/beam ! Clean residual mean=-0.000097 rms=0.001514 Jy/beam ! Combined flux in latest and established models = 1.9166 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 107 components and 1.9166 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285668Jy sigma=0.001210 ! Fit after self-cal, rms=0.285658Jy sigma=0.001209 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 (-7.5, -3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.004562 Jy ! Component: 100 - total flux cleaned = 0.00413677 Jy ! Component: 150 - total flux cleaned = 0.00400558 Jy ! Component: 200 - total flux cleaned = 0.00411756 Jy ! Total flux subtracted in 200 components = 0.00411756 Jy ! Clean residual min=-0.005226 max=0.005797 Jy/beam ! Clean residual mean=-0.000097 rms=0.001479 Jy/beam ! Combined flux in latest and established models = 1.92072 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 118 components and 1.92072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285464Jy sigma=0.001208 ! Fit after self-cal, rms=0.285459Jy sigma=0.001208 ! 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=0.285459Jy sigma=0.001208 ! Fit after self-cal, rms=0.285010Jy sigma=0.001207 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.144 mas, bmaj=5.538 mas, bpa=-17.06 degrees ! Estimated noise=587.414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00416922 Jy ! Component: 100 - total flux cleaned = 0.0047938 Jy ! Component: 150 - total flux cleaned = 0.00522528 Jy ! Component: 200 - total flux cleaned = 0.00541787 Jy ! Total flux subtracted in 200 components = 0.00541787 Jy ! Clean residual min=-0.004389 max=0.005259 Jy/beam ! Clean residual mean=-0.000073 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 1.92614 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 125 components and 1.92614 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284890Jy sigma=0.001206 ! Fit after self-cal, rms=0.284885Jy sigma=0.001206 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 = 0.000693759 Jy ! Component: 100 - total flux cleaned = 0.00123219 Jy ! Component: 150 - total flux cleaned = 0.0014779 Jy ! Component: 200 - total flux cleaned = 0.00170919 Jy ! Total flux subtracted in 200 components = 0.00170919 Jy ! Clean residual min=-0.004270 max=0.005190 Jy/beam ! Clean residual mean=-0.000073 rms=0.001307 Jy/beam ! Combined flux in latest and established models = 1.92785 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 130 components and 1.92785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284834Jy sigma=0.001205 ! Fit after self-cal, rms=0.284831Jy sigma=0.001205 ! 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=0.284831Jy sigma=0.001205 ! Fit after self-cal, rms=0.284429Jy sigma=0.001205 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.483 mas, bmaj=9.43 mas, bpa=3.623 degrees ! Estimated noise=766.545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00482156 Jy ! Component: 100 - total flux cleaned = 0.00650635 Jy ! Component: 150 - total flux cleaned = 0.00666751 Jy ! Component: 200 - total flux cleaned = 0.00673679 Jy ! Total flux subtracted in 200 components = 0.00673679 Jy ! Clean residual min=-0.006753 max=0.009135 Jy/beam ! Clean residual mean=-0.000184 rms=0.002475 Jy/beam ! Combined flux in latest and established models = 1.93458 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 151 components and 1.93458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284432Jy sigma=0.001204 ! Fit after self-cal, rms=0.284419Jy 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000843508 Jy ! Component: 100 - total flux cleaned = 0.000906348 Jy ! Component: 150 - total flux cleaned = 0.000959174 Jy ! Component: 200 - total flux cleaned = 0.000907525 Jy ! Total flux subtracted in 200 components = 0.000907525 Jy ! Clean residual min=-0.006483 max=0.009151 Jy/beam ! Clean residual mean=-0.000186 rms=0.002450 Jy/beam ! Combined flux in latest and established models = 1.93549 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 158 components and 1.93549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284426Jy sigma=0.001204 ! Fit after self-cal, rms=0.284423Jy sigma=0.001204 ! 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=2.143 mas, bmaj=5.535 mas, bpa=-17.06 degrees ! Estimated noise=587.323 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.143 x 5.535 at -17.06 degrees (North through East) ! Clean map min=-0.0041455 max=1.2663 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=0.284423Jy sigma=0.001204 ! Fit after self-cal, rms=0.593056Jy sigma=0.001084 ! Inverting map and beam ! Estimated beam: bmin=2.142 mas, bmaj=5.534 mas, bpa=-17.06 degrees ! Estimated noise=587.553 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174962 Jy ! Component: 100 - total flux cleaned = 0.00254622 Jy ! Component: 150 - total flux cleaned = 0.00288511 Jy ! Component: 200 - total flux cleaned = 0.00318879 Jy ! Total flux subtracted in 200 components = 0.00318879 Jy ! Clean residual min=-0.003707 max=0.004937 Jy/beam ! Clean residual mean=-0.000051 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 1.93868 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 169 components and 1.93868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.593015Jy sigma=0.001084 ! Fit after self-cal, rms=0.593014Jy sigma=0.001084 ! Inverting map ! Added new window around map position (-28, -64). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00467539 Jy ! Component: 100 - total flux cleaned = 0.00716109 Jy ! Component: 150 - total flux cleaned = 0.00824096 Jy ! Component: 200 - total flux cleaned = 0.00872225 Jy ! Total flux subtracted in 200 components = 0.00872225 Jy ! Clean residual min=-0.003567 max=0.004125 Jy/beam ! Clean residual mean=-0.000051 rms=0.000966 Jy/beam ! Combined flux in latest and established models = 1.9474 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 184 components and 1.9474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.592973Jy sigma=0.001083 ! Fit after self-cal, rms=0.592963Jy sigma=0.001083 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.592963Jy sigma=0.001083 ! Fit after self-cal, rms=0.609826Jy sigma=0.001082 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=2.024 mas, bmaj=4.321 mas, bpa=-14.91 degrees ! Estimated noise=1202.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.966458 Jy ! Component: 100 - total flux cleaned = 1.31354 Jy ! Component: 150 - total flux cleaned = 1.48805 Jy ! Component: 200 - total flux cleaned = 1.59106 Jy ! Total flux subtracted in 200 components = 1.59106 Jy ! Clean residual min=-0.020268 max=0.056265 Jy/beam ! Clean residual mean=0.000076 rms=0.007991 Jy/beam ! Combined flux in latest and established models = 1.59106 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.59105 Jy ! Inverting map and beam ! Estimated beam: bmin=2.141 mas, bmaj=5.533 mas, bpa=-17.07 degrees ! Estimated noise=587.533 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 = 0.115811 Jy ! Component: 100 - total flux cleaned = 0.186976 Jy ! Component: 150 - total flux cleaned = 0.232667 Jy ! Component: 200 - total flux cleaned = 0.262729 Jy ! Total flux subtracted in 200 components = 0.262729 Jy ! Clean residual min=-0.009084 max=0.016213 Jy/beam ! Clean residual mean=-0.000021 rms=0.003632 Jy/beam ! Combined flux in latest and established models = 1.85378 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 64 components and 1.85378 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0202262 Jy ! Component: 100 - total flux cleaned = 0.0345777 Jy ! Component: 150 - total flux cleaned = 0.0452025 Jy ! Component: 200 - total flux cleaned = 0.0535058 Jy ! Total flux subtracted in 200 components = 0.0535058 Jy ! Clean residual min=-0.005504 max=0.006195 Jy/beam ! Clean residual mean=-0.000020 rms=0.001642 Jy/beam ! Combined flux in latest and established models = 1.90729 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 115 components and 1.90729 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=7.474 mas, bmaj=9.421 mas, bpa=3.555 degrees ! Estimated noise=768.785 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135458 Jy ! Component: 100 - total flux cleaned = 0.0223392 Jy ! Component: 150 - total flux cleaned = 0.0286233 Jy ! Component: 200 - total flux cleaned = 0.0332158 Jy ! Total flux subtracted in 200 components = 0.0332158 Jy ! Clean residual min=-0.005341 max=0.005021 Jy/beam ! Clean residual mean=-0.000093 rms=0.001903 Jy/beam ! Combined flux in latest and established models = 1.94051 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 = 0.00339539 Jy ! Component: 100 - total flux cleaned = 0.00595661 Jy ! Component: 150 - total flux cleaned = 0.00794584 Jy ! Component: 200 - total flux cleaned = 0.00950051 Jy ! Total flux subtracted in 200 components = 0.00950051 Jy ! Clean residual min=-0.005170 max=0.004289 Jy/beam ! Clean residual mean=-0.000110 rms=0.001642 Jy/beam ! Combined flux in latest and established models = 1.95001 Jy ! Adding 95 model components to the UV plane model. ! The established model now contains 196 components and 1.95001 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.141 mas, bmaj=5.533 mas, bpa=-17.07 degrees ! Estimated noise=587.533 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000740119 Jy ! Component: 100 - total flux cleaned = -0.000861787 Jy ! Component: 150 - total flux cleaned = -0.000641115 Jy ! Component: 200 - total flux cleaned = -0.00053552 Jy ! Total flux subtracted in 200 components = -0.00053552 Jy ! Clean residual min=-0.003991 max=0.004474 Jy/beam ! Clean residual mean=-0.000019 rms=0.000953 Jy/beam ! Combined flux in latest and established models = 1.94947 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 211 components and 1.94947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.609994Jy sigma=0.001085 ! Fit after self-cal, rms=0.609977Jy sigma=0.001084 wmodel J1925+2106_S_2008_07_09_pus_map.mod ! Writing 211 model components to file: J1925+2106_S_2008_07_09_pus_map.mod wobs J1925+2106_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1925+2106_S_2008_07_09_pus_uvs.fits wwins J1925+2106_S_2008_07_09_pus_map.win ! wwins: Wrote 5 windows to J1925+2106_S_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000920253 Jy ! Component: 100 - total flux cleaned = 0.0012827 Jy ! Component: 150 - total flux cleaned = 0.00116713 Jy ! Component: 200 - total flux cleaned = 0.00105649 Jy ! Component: 250 - total flux cleaned = 0.000949456 Jy ! Component: 300 - total flux cleaned = 0.000845713 Jy ! Component: 350 - total flux cleaned = 0.000795072 Jy ! Component: 400 - total flux cleaned = 0.000795159 Jy ! Component: 450 - total flux cleaned = 0.000747734 Jy ! Component: 500 - total flux cleaned = 0.000606503 Jy ! Component: 550 - total flux cleaned = 0.000467083 Jy ! Component: 600 - total flux cleaned = 0.000239019 Jy ! Component: 650 - total flux cleaned = 0.000238863 Jy ! Component: 700 - total flux cleaned = 0.000238182 Jy ! Component: 750 - total flux cleaned = 0.000237391 Jy ! Component: 800 - total flux cleaned = 0.000194976 Jy ! Component: 850 - total flux cleaned = 0.000280795 Jy ! Component: 900 - total flux cleaned = 0.000196762 Jy ! Component: 950 - total flux cleaned = 0.000280492 Jy ! Component: 1000 - total flux cleaned = 0.000156778 Jy ! Component: 1050 - total flux cleaned = 0.000156025 Jy ! Component: 1100 - total flux cleaned = -4.73446e-06 Jy ! Component: 1150 - total flux cleaned = -0.000123305 Jy ! Component: 1200 - total flux cleaned = -0.000123055 Jy ! Component: 1250 - total flux cleaned = -0.000239242 Jy ! Component: 1300 - total flux cleaned = -0.000392945 Jy ! Component: 1350 - total flux cleaned = -0.000431347 Jy ! Component: 1400 - total flux cleaned = -0.000544242 Jy ! Component: 1450 - total flux cleaned = -0.000618901 Jy ! Component: 1500 - total flux cleaned = -0.000619301 Jy ! Component: 1550 - total flux cleaned = -0.00072979 Jy ! Component: 1600 - total flux cleaned = -0.00083921 Jy ! Component: 1650 - total flux cleaned = -0.000947476 Jy ! Component: 1700 - total flux cleaned = -0.00105489 Jy ! Component: 1750 - total flux cleaned = -0.00116185 Jy ! Component: 1800 - total flux cleaned = -0.00130305 Jy ! Component: 1850 - total flux cleaned = -0.00151354 Jy ! Component: 1900 - total flux cleaned = -0.00151366 Jy ! Component: 1950 - total flux cleaned = -0.00161757 Jy ! Component: 2000 - total flux cleaned = -0.00185832 Jy ! Total flux subtracted in 2048 components = -0.00175603 Jy ! Clean residual min=-0.002383 max=0.001711 Jy/beam ! Clean residual mean=-0.000013 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 1.94772 Jy keep ! Adding 130 model components to the UV plane model. ! The established model now contains 339 components and 1.94772 Jy wmap "J1925+2106_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.141 x 5.533 at -17.07 degrees (North through East) ! Clean map min=-0.0033864 max=1.2634 Jy/beam ! Writing clean map to FITS file: J1925+2106_S_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.26342 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000637208 device "J1925+2106_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1925+2106_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.151305 0.151305 0.302611 0.605221 1.21044 2.42089 4.84177 9.68354 19.3671 38.7342 77.4683 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.263 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.141 x 5.533 at -17.07 degrees (North through East) ! Clean map min=-0.0033864 max=1.2634 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1925+2106_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1925+2106_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1925+2106_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 13:17:42 2010