! Started logfile: J1925+2106_S_2009_04_21_pus_uvs.log on Mon Jan 24 23:16:33 2011 obs J1925+2106_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1925+2106_S_2009_04_21_pus_uva.fits ! AN table 1: 44 integrations on 120 of 120 possible baselines. ! AN table 2: 146 integrations on 120 of 120 possible baselines. ! AN table 3: 282 integrations on 120 of 120 possible baselines. ! AN table 4: 109 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.104389 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 1868 lines of history. ! ! Reading 29112 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 J1925+2106_S_2009_04_21_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 680 telescope corrections were flagged in sub-array 1. ! A total of 1263 telescope corrections were flagged in sub-array 2. ! A total of 3290 telescope corrections were flagged in sub-array 3. ! A total of 1573 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 680 telescope corrections were flagged in sub-array 1. ! A total of 1263 telescope corrections were flagged in sub-array 2. ! A total of 3290 telescope corrections were flagged in sub-array 3. ! A total of 1573 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 680 telescope corrections were flagged in sub-array 1. ! A total of 1263 telescope corrections were flagged in sub-array 2. ! A total of 3290 telescope corrections were flagged in sub-array 3. ! A total of 1582 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 680 telescope corrections were flagged in sub-array 1. ! A total of 1266 telescope corrections were flagged in sub-array 2. ! A total of 3290 telescope corrections were flagged in sub-array 3. ! A total of 1597 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.080836Jy sigma=0.009927 ! Fit after self-cal, rms=0.614780Jy sigma=0.005789 ! 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=2.079 mas, bmaj=3.794 mas, bpa=-0.7328 degrees ! Estimated noise=1042.54 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 = 0.917032 Jy ! Component: 100 - total flux cleaned = 1.25907 Jy ! Total flux subtracted in 100 components = 1.25907 Jy ! Clean residual min=-0.033699 max=0.153479 Jy/beam ! Clean residual mean=0.000753 rms=0.014167 Jy/beam ! Combined flux in latest and established models = 1.25907 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.25907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.407148Jy sigma=0.003879 ! Fit after self-cal, rms=0.406707Jy sigma=0.003877 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.169326 Jy ! Component: 100 - total flux cleaned = 0.265332 Jy ! Total flux subtracted in 100 components = 0.265332 Jy ! Clean residual min=-0.024664 max=0.056444 Jy/beam ! Clean residual mean=0.000505 rms=0.008179 Jy/beam ! Combined flux in latest and established models = 1.5244 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 22 components and 1.5244 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281552Jy sigma=0.002491 ! Fit after self-cal, rms=0.281421Jy sigma=0.002490 ! Inverting map ! Added new window around map position (-5, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0677578 Jy ! Component: 100 - total flux cleaned = 0.117862 Jy ! Total flux subtracted in 100 components = 0.117862 Jy ! Clean residual min=-0.026182 max=0.034666 Jy/beam ! Clean residual mean=0.000368 rms=0.006507 Jy/beam ! Combined flux in latest and established models = 1.64226 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 38 components and 1.64226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245896Jy sigma=0.002058 ! Fit after self-cal, rms=0.245055Jy sigma=0.002051 ! 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=2.226 mas, bmaj=4.554 mas, bpa=-7.003 degrees ! Estimated noise=511.894 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, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0905372 Jy ! Component: 100 - total flux cleaned = 0.142969 Jy ! Component: 150 - total flux cleaned = 0.175701 Jy ! Component: 200 - total flux cleaned = 0.196506 Jy ! Total flux subtracted in 200 components = 0.196506 Jy ! Clean residual min=-0.014462 max=0.023879 Jy/beam ! Clean residual mean=0.002163 rms=0.004811 Jy/beam ! Combined flux in latest and established models = 1.83877 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 76 components and 1.83877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215824Jy sigma=0.001662 ! Fit after self-cal, rms=0.214521Jy sigma=0.001649 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 HN 1.03 KB 1.00* ! KK 1.00* KP 0.99 LA 1.05 MK 1.00* ! NL 1.02 NY 1.08 OV 0.98 PT 1.01 ! SC 1.01 TS 1.00* WZ 1.04 ZC 1.00* ! ! A total of 201 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.97 HN 1.02 KB 0.81 ! KK 1.10 KP 1.26 LA 1.03 MK 0.99 ! NL 1.03 NY 1.05 OV 0.97 PT 0.99 ! SC 1.07 TS 1.11 WZ 1.00* ZC 1.00* ! ! A total of 171 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 HN 1.02 KB 1.00* ! KK 1.00* KP 1.01 LA 0.99 MK 1.00* ! NL 1.02 NY 1.01 OV 1.02 PT 1.00 ! SC 1.04 TS 1.00* WZ 0.97 ZC 1.00* ! ! A total of 201 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.95 HN 1.04 KB 0.89 ! KK 1.02 KP 0.98 LA 0.98 MK 1.00 ! NL 1.02 NY 1.02 OV 1.01 PT 0.99 ! SC 1.10 TS 1.03 WZ 1.00* ZC 1.00* ! ! A total of 171 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.98 HN 1.01 KB 1.00* ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 1.01 NY 0.94 OV 1.05 PT 1.05 ! SC 0.95 TS 1.00* WZ 0.87 ZC 1.00* ! ! A total of 201 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.94 HN 1.02 KB 0.91 ! KK 1.04 KP 0.98 LA 1.00 MK 0.98 ! NL 1.02 NY 0.98 OV 1.03 PT 1.03 ! SC 1.01 TS 1.08 WZ 1.00* ZC 1.00* ! ! A total of 162 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 51 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 HN 1.00 KB 1.00* ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 1.01 NY 0.91 OV 0.86 PT 0.91 ! SC 0.95 TS 1.00* WZ 0.84 ZC 1.00* ! ! A total of 201 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.94 HN 1.03 KB 0.95 ! KK 1.02 KP 0.97 LA 1.00 MK 0.99 ! NL 1.02 NY 0.95 OV 0.84 PT 0.90 ! SC 1.01 TS 1.06 WZ 1.00* ZC 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.214521Jy sigma=0.001649 ! Fit after self-cal, rms=0.183482Jy sigma=0.001342 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.208 mas, bmaj=4.656 mas, bpa=-8.831 degrees ! Estimated noise=524.575 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 (-8, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0130767 Jy ! Component: 100 - total flux cleaned = 0.0141505 Jy ! Component: 150 - total flux cleaned = 0.0141288 Jy ! Component: 200 - total flux cleaned = 0.0143811 Jy ! Total flux subtracted in 200 components = 0.0143811 Jy ! Clean residual min=-0.010025 max=0.013095 Jy/beam ! Clean residual mean=0.000209 rms=0.002716 Jy/beam ! Combined flux in latest and established models = 1.85315 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 95 components and 1.85315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182028Jy sigma=0.001328 ! Fit after self-cal, rms=0.181901Jy sigma=0.001326 ! 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=0.181901Jy sigma=0.001326 ! Fit after self-cal, rms=0.178739Jy sigma=0.001295 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.204 mas, bmaj=4.663 mas, bpa=-8.99 degrees ! Estimated noise=524.051 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00745044 Jy ! Component: 100 - total flux cleaned = 0.007746 Jy ! Component: 150 - total flux cleaned = 0.0082148 Jy ! Component: 200 - total flux cleaned = 0.0084322 Jy ! Total flux subtracted in 200 components = 0.0084322 Jy ! Clean residual min=-0.009059 max=0.010938 Jy/beam ! Clean residual mean=0.000075 rms=0.002335 Jy/beam ! Combined flux in latest and established models = 1.86158 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 106 components and 1.86158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177937Jy sigma=0.001287 ! Fit after self-cal, rms=0.177842Jy sigma=0.001286 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 (-37, -15). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100371 Jy ! Component: 100 - total flux cleaned = 0.015527 Jy ! Component: 150 - total flux cleaned = 0.0167623 Jy ! Component: 200 - total flux cleaned = 0.0173239 Jy ! Total flux subtracted in 200 components = 0.0173239 Jy ! Clean residual min=-0.008034 max=0.007852 Jy/beam ! Clean residual mean=0.000001 rms=0.001944 Jy/beam ! Combined flux in latest and established models = 1.87891 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 122 components and 1.87891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177133Jy sigma=0.001279 ! Fit after self-cal, rms=0.177075Jy sigma=0.001278 ! 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=0.177075Jy sigma=0.001278 ! Fit after self-cal, rms=0.176674Jy sigma=0.001275 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.203 mas, bmaj=4.673 mas, bpa=-9.153 degrees ! Estimated noise=524.905 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00413797 Jy ! Component: 100 - total flux cleaned = 0.00435389 Jy ! Component: 150 - total flux cleaned = 0.00528586 Jy ! Component: 200 - total flux cleaned = 0.00629493 Jy ! Total flux subtracted in 200 components = 0.00629493 Jy ! Clean residual min=-0.006945 max=0.007005 Jy/beam ! Clean residual mean=0.000005 rms=0.001732 Jy/beam ! Combined flux in latest and established models = 1.8852 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 131 components and 1.8852 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176166Jy sigma=0.001270 ! Fit after self-cal, rms=0.176104Jy sigma=0.001270 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 (-21, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00673216 Jy ! Component: 100 - total flux cleaned = 0.00746898 Jy ! Component: 150 - total flux cleaned = 0.00715219 Jy ! Component: 200 - total flux cleaned = 0.00700913 Jy ! Total flux subtracted in 200 components = 0.00700913 Jy ! Clean residual min=-0.006375 max=0.005599 Jy/beam ! Clean residual mean=-0.000049 rms=0.001437 Jy/beam ! Combined flux in latest and established models = 1.89221 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 157 components and 1.89221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175727Jy sigma=0.001266 ! Fit after self-cal, rms=0.175692Jy sigma=0.001265 ! 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=0.175692Jy sigma=0.001265 ! Fit after self-cal, rms=0.175673Jy sigma=0.001263 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.835 mas, bmaj=11.81 mas, bpa=80.23 degrees ! Estimated noise=651.371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00692249 Jy ! Component: 100 - total flux cleaned = 0.00786954 Jy ! Component: 150 - total flux cleaned = 0.0077707 Jy ! Component: 200 - total flux cleaned = 0.00757151 Jy ! Total flux subtracted in 200 components = 0.00757151 Jy ! Clean residual min=-0.005607 max=0.004972 Jy/beam ! Clean residual mean=-0.000069 rms=0.001594 Jy/beam ! Combined flux in latest and established models = 1.89978 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 166 components and 1.89978 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175557Jy sigma=0.001262 ! Fit after self-cal, rms=0.175529Jy sigma=0.001261 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 = 0.00140248 Jy ! Component: 100 - total flux cleaned = 0.00139164 Jy ! Component: 150 - total flux cleaned = 0.00122391 Jy ! Component: 200 - total flux cleaned = 0.000986749 Jy ! Total flux subtracted in 200 components = 0.000986749 Jy ! Clean residual min=-0.005341 max=0.004442 Jy/beam ! Clean residual mean=-0.000087 rms=0.001479 Jy/beam ! Combined flux in latest and established models = 1.90077 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 177 components and 1.90077 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175451Jy sigma=0.001261 ! Fit after self-cal, rms=0.175440Jy sigma=0.001261 ! 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=2.204 mas, bmaj=4.68 mas, bpa=-9.266 degrees ! Estimated noise=525.719 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.204 x 4.68 at -9.266 degrees (North through East) ! Clean map min=-0.0060154 max=1.1768 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=0.175440Jy sigma=0.001261 ! Fit after self-cal, rms=0.159718Jy sigma=0.001098 ! Inverting map and beam ! Estimated beam: bmin=2.205 mas, bmaj=4.68 mas, bpa=-9.246 degrees ! Estimated noise=526.322 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165088 Jy ! Component: 100 - total flux cleaned = 0.0013794 Jy ! Component: 150 - total flux cleaned = 0.00114965 Jy ! Component: 200 - total flux cleaned = 0.000944154 Jy ! Total flux subtracted in 200 components = 0.000944154 Jy ! Clean residual min=-0.003715 max=0.003919 Jy/beam ! Clean residual mean=0.000001 rms=0.001003 Jy/beam ! Combined flux in latest and established models = 1.90171 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 185 components and 1.90171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159534Jy sigma=0.001096 ! Fit after self-cal, rms=0.159515Jy sigma=0.001095 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000683236 Jy ! Component: 100 - total flux cleaned = 0.000487774 Jy ! Component: 150 - total flux cleaned = 0.000397927 Jy ! Component: 200 - total flux cleaned = 0.000398013 Jy ! Total flux subtracted in 200 components = 0.000398013 Jy ! Clean residual min=-0.003613 max=0.003786 Jy/beam ! Clean residual mean=-0.000004 rms=0.000969 Jy/beam ! Combined flux in latest and established models = 1.90211 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 191 components and 1.90211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159406Jy sigma=0.001094 ! Fit after self-cal, rms=0.159393Jy sigma=0.001094 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159393Jy sigma=0.001094 ! Fit after self-cal, rms=0.159278Jy sigma=0.001094 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=2.063 mas, bmaj=3.878 mas, bpa=-4.266 degrees ! Estimated noise=1048.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.914062 Jy ! Component: 100 - total flux cleaned = 1.25362 Jy ! Component: 150 - total flux cleaned = 1.4184 Jy ! Component: 200 - total flux cleaned = 1.52048 Jy ! Total flux subtracted in 200 components = 1.52048 Jy ! Clean residual min=-0.017267 max=0.056809 Jy/beam ! Clean residual mean=0.000626 rms=0.007571 Jy/beam ! Combined flux in latest and established models = 1.52048 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 30 model components to the UV plane model. ! The established model now contains 30 components and 1.52048 Jy ! Inverting map and beam ! Estimated beam: bmin=2.205 mas, bmaj=4.684 mas, bpa=-9.306 degrees ! Estimated noise=526.397 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 = 0.147742 Jy ! Component: 100 - total flux cleaned = 0.225144 Jy ! Component: 150 - total flux cleaned = 0.270903 Jy ! Component: 200 - total flux cleaned = 0.299936 Jy ! Total flux subtracted in 200 components = 0.299936 Jy ! Clean residual min=-0.007949 max=0.018235 Jy/beam ! Clean residual mean=0.000431 rms=0.003713 Jy/beam ! Combined flux in latest and established models = 1.82041 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 103 components and 1.82041 Jy ! Inverting map ! Added new window around map position (2.5, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198246 Jy ! Component: 100 - total flux cleaned = 0.0337934 Jy ! Component: 150 - total flux cleaned = 0.0444829 Jy ! Component: 200 - total flux cleaned = 0.0529208 Jy ! Total flux subtracted in 200 components = 0.0529208 Jy ! Clean residual min=-0.004529 max=0.006980 Jy/beam ! Clean residual mean=0.000146 rms=0.001611 Jy/beam ! Combined flux in latest and established models = 1.87333 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 142 components and 1.87333 Jy ! Inverting map ! Added new window around map position (-13, -3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0072394 Jy ! Component: 100 - total flux cleaned = 0.0127554 Jy ! Component: 150 - total flux cleaned = 0.0172982 Jy ! Component: 200 - total flux cleaned = 0.0205161 Jy ! Total flux subtracted in 200 components = 0.0205161 Jy ! Clean residual min=-0.003781 max=0.004134 Jy/beam ! Clean residual mean=0.000040 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 1.89385 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 164 components and 1.89385 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=9.844 mas, bmaj=11.79 mas, bpa=80.17 degrees ! Estimated noise=651.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00479676 Jy ! Component: 100 - total flux cleaned = 0.00738424 Jy ! Component: 150 - total flux cleaned = 0.00835317 Jy ! Component: 200 - total flux cleaned = 0.00917507 Jy ! Total flux subtracted in 200 components = 0.00917507 Jy ! Clean residual min=-0.003191 max=0.004571 Jy/beam ! Clean residual mean=-0.000006 rms=0.001243 Jy/beam ! Combined flux in latest and established models = 1.90303 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 = 0.000399363 Jy ! Component: 100 - total flux cleaned = 0.000687516 Jy ! Component: 150 - total flux cleaned = 0.00101499 Jy ! Component: 200 - total flux cleaned = 0.00125114 Jy ! Total flux subtracted in 200 components = 0.00125114 Jy ! Clean residual min=-0.002898 max=0.004222 Jy/beam ! Clean residual mean=-0.000021 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 1.90428 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 193 components and 1.90428 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.205 mas, bmaj=4.684 mas, bpa=-9.306 degrees ! Estimated noise=526.397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000270744 Jy ! Component: 100 - total flux cleaned = 2.79311e-05 Jy ! Component: 150 - total flux cleaned = 2.96329e-05 Jy ! Component: 200 - total flux cleaned = 3.32926e-05 Jy ! Total flux subtracted in 200 components = 3.32926e-05 Jy ! Clean residual min=-0.003521 max=0.003498 Jy/beam ! Clean residual mean=-0.000010 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 1.90431 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 211 components and 1.90431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159145Jy sigma=0.001092 ! Fit after self-cal, rms=0.159004Jy sigma=0.001091 wmodel J1925+2106_S_2009_04_21_pus_map.mod ! Writing 211 model components to file: J1925+2106_S_2009_04_21_pus_map.mod wobs J1925+2106_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1925+2106_S_2009_04_21_pus_uvs.fits wwins J1925+2106_S_2009_04_21_pus_map.win ! wwins: Wrote 8 windows to J1925+2106_S_2009_04_21_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 = -0.00150034 Jy ! Component: 100 - total flux cleaned = -0.00251437 Jy ! Component: 150 - total flux cleaned = -0.00330963 Jy ! Component: 200 - total flux cleaned = -0.00391163 Jy ! Component: 250 - total flux cleaned = -0.00439342 Jy ! Component: 300 - total flux cleaned = -0.00481227 Jy ! Component: 350 - total flux cleaned = -0.00508221 Jy ! Component: 400 - total flux cleaned = -0.00534485 Jy ! Component: 450 - total flux cleaned = -0.00555901 Jy ! Component: 500 - total flux cleaned = -0.0058927 Jy ! Component: 550 - total flux cleaned = -0.00593413 Jy ! Component: 600 - total flux cleaned = -0.00613372 Jy ! Component: 650 - total flux cleaned = -0.00609281 Jy ! Component: 700 - total flux cleaned = -0.00616969 Jy ! Component: 750 - total flux cleaned = -0.00620741 Jy ! Component: 800 - total flux cleaned = -0.00632005 Jy ! Component: 850 - total flux cleaned = -0.00643015 Jy ! Component: 900 - total flux cleaned = -0.00635734 Jy ! Component: 950 - total flux cleaned = -0.00632191 Jy ! Component: 1000 - total flux cleaned = -0.00639276 Jy ! Component: 1050 - total flux cleaned = -0.00639317 Jy ! Component: 1100 - total flux cleaned = -0.00635875 Jy ! Component: 1150 - total flux cleaned = -0.00635923 Jy ! Component: 1200 - total flux cleaned = -0.00629209 Jy ! Component: 1250 - total flux cleaned = -0.00622585 Jy ! Component: 1300 - total flux cleaned = -0.00616004 Jy ! Component: 1350 - total flux cleaned = -0.00625733 Jy ! Component: 1400 - total flux cleaned = -0.00619275 Jy ! Component: 1450 - total flux cleaned = -0.00616057 Jy ! Component: 1500 - total flux cleaned = -0.00606593 Jy ! Component: 1550 - total flux cleaned = -0.00606606 Jy ! Component: 1600 - total flux cleaned = -0.00597359 Jy ! Component: 1650 - total flux cleaned = -0.00597377 Jy ! Component: 1700 - total flux cleaned = -0.00594372 Jy ! Component: 1750 - total flux cleaned = -0.00588353 Jy ! Component: 1800 - total flux cleaned = -0.00591337 Jy ! Component: 1850 - total flux cleaned = -0.00585389 Jy ! Component: 1900 - total flux cleaned = -0.00579502 Jy ! Component: 1950 - total flux cleaned = -0.00579484 Jy ! Component: 2000 - total flux cleaned = -0.00576592 Jy ! Total flux subtracted in 2048 components = -0.00570848 Jy ! Clean residual min=-0.001482 max=0.001448 Jy/beam ! Clean residual mean=0.000017 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 1.8986 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 355 components and 1.8986 Jy ![Exited script file: muppet] wmap "J1925+2106_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.205 x 4.684 at -9.306 degrees (North through East) ! Clean map min=-0.0045153 max=1.1747 Jy/beam ! Writing clean map to FITS file: J1925+2106_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.17473 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000530944 device "J1925+2106_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1925+2106_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.135591 0.135591 0.271182 0.542363 1.08473 2.16945 4.33891 8.67781 17.3556 34.7113 69.4225 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.174 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.205 x 4.684 at -9.306 degrees (North through East) ! Clean map min=-0.0045153 max=1.1747 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1925+2106_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1925+2106_S_2009_04_21_pus_map.gif/vgif' mapplot cln