! Started logfile: J1638+5720_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:42:14 2010 obs J1638+5720_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1638+5720_S_2008_04_02_pus_uva.fits ! AN table 1: 66 integrations on 120 of 120 possible baselines. ! AN table 2: 91 integrations on 120 of 120 possible baselines. ! AN table 3: 48 integrations on 120 of 120 possible baselines. ! AN table 4: 91 integrations on 120 of 120 possible baselines. ! AN table 5: 24 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.142135 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1638+5720 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 984 lines of history. ! ! Reading 21832 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 542 telescope corrections were flagged in sub-array 1. ! A total of 1090 telescope corrections were flagged in sub-array 2. ! A total of 472 telescope corrections were flagged in sub-array 3. ! A total of 1158 telescope corrections were flagged in sub-array 4. ! A total of 239 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 542 telescope corrections were flagged in sub-array 1. ! A total of 1090 telescope corrections were flagged in sub-array 2. ! A total of 472 telescope corrections were flagged in sub-array 3. ! A total of 1158 telescope corrections were flagged in sub-array 4. ! A total of 239 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 542 telescope corrections were flagged in sub-array 1. ! A total of 1090 telescope corrections were flagged in sub-array 2. ! A total of 472 telescope corrections were flagged in sub-array 3. ! A total of 1158 telescope corrections were flagged in sub-array 4. ! A total of 239 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 542 telescope corrections were flagged in sub-array 1. ! A total of 1090 telescope corrections were flagged in sub-array 2. ! A total of 472 telescope corrections were flagged in sub-array 3. ! A total of 1158 telescope corrections were flagged in sub-array 4. ! A total of 239 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.654860Jy sigma=0.005704 ! Fit after self-cal, rms=0.296601Jy sigma=0.002563 ! 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=2.181 mas, bmaj=2.445 mas, bpa=18.17 degrees ! Estimated noise=1052.74 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 = 0.606428 Jy ! Component: 100 - total flux cleaned = 0.760644 Jy ! Total flux subtracted in 100 components = 0.760644 Jy ! Clean residual min=-0.023762 max=0.085129 Jy/beam ! Clean residual mean=0.000347 rms=0.006737 Jy/beam ! Combined flux in latest and established models = 0.760644 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.760644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281794Jy sigma=0.002484 ! Fit after self-cal, rms=0.281602Jy sigma=0.002483 ! Inverting map ! Added new window around map position (-1, -3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0874895 Jy ! Component: 100 - total flux cleaned = 0.140218 Jy ! Total flux subtracted in 100 components = 0.140218 Jy ! Clean residual min=-0.024395 max=0.042646 Jy/beam ! Clean residual mean=0.000165 rms=0.005081 Jy/beam ! Combined flux in latest and established models = 0.900863 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.900863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239111Jy sigma=0.002050 ! Fit after self-cal, rms=0.237403Jy sigma=0.002037 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0402322 Jy ! Component: 100 - total flux cleaned = 0.0645041 Jy ! Total flux subtracted in 100 components = 0.0645041 Jy ! Clean residual min=-0.024424 max=0.029291 Jy/beam ! Clean residual mean=0.000082 rms=0.004545 Jy/beam ! Combined flux in latest and established models = 0.965367 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 31 components and 0.965367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229991Jy sigma=0.001959 ! Fit after self-cal, rms=0.229159Jy sigma=0.001952 ! 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=3.56 mas, bmaj=3.857 mas, bpa=8.219 degrees ! Estimated noise=544.906 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 = 0.0156421 Jy ! Component: 100 - total flux cleaned = 0.0211636 Jy ! Component: 150 - total flux cleaned = 0.0222119 Jy ! Component: 200 - total flux cleaned = 0.0225184 Jy ! Total flux subtracted in 200 components = 0.0225184 Jy ! Clean residual min=-0.017663 max=0.020635 Jy/beam ! Clean residual mean=0.000046 rms=0.005443 Jy/beam ! Combined flux in latest and established models = 0.987885 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 37 components and 0.987885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228210Jy sigma=0.001941 ! Fit after self-cal, rms=0.228007Jy sigma=0.001940 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.21 HH 1.00* HN 1.00 ! KK 1.00* KP 1.05 LA 1.21 MK 1.00* ! NL 0.93 NY 1.00* ON 1.00* OV 1.01 ! PT 1.04 SC 1.08 WZ 0.96 ZC 1.16 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.09 HH 1.00* HN 1.14 ! KK 1.06 KP 1.02 LA 1.21 MK 0.76 ! NL 0.93 NY 1.00* ON 1.00* OV 0.96 ! PT 1.02 SC 1.19 WZ 1.00* ZC 1.20 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 1.21 HH 1.00* HN 1.10 ! KK 1.04 KP 1.11 LA 1.18 MK 1.00* ! NL 0.88 NY 0.79 ON 1.00* OV 0.93 ! PT 0.97 SC 1.04 WZ 0.94 ZC 1.20 ! ! A total of 93 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.06 HH 1.00* HN 1.13 ! KK 1.00* KP 0.98 LA 1.25 MK 1.00* ! NL 0.93 NY 0.88 ON 1.00* OV 1.00* ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.20 ! ! A total of 12 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.91 FD 1.03 HH 1.00* HN 1.04 ! KK 1.09 KP 0.96 LA 1.17 MK 0.77 ! NL 0.89 NY 0.86 ON 1.00* OV 0.91 ! PT 0.97 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.20 HH 1.00* HN 1.09 ! KK 1.00* KP 1.07 LA 1.12 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.02 ! PT 1.03 SC 1.12 WZ 0.85 ZC 1.13 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.17 HH 1.00* HN 1.23 ! KK 0.98 KP 1.03 LA 1.14 MK 0.83 ! NL 0.95 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.20 WZ 1.00* ZC 1.17 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.26 HH 1.00* HN 1.13 ! KK 0.99 KP 1.18 LA 1.10 MK 1.00* ! NL 0.93 NY 0.97 ON 1.00* OV 0.95 ! PT 0.96 SC 1.11 WZ 0.89 ZC 1.24 ! ! A total of 93 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.04 FD 1.14 HH 1.00* HN 1.21 ! KK 1.00* KP 0.98 LA 1.20 MK 1.00* ! NL 0.97 NY 0.87 ON 1.00* OV 1.00* ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.13 ! ! A total of 12 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.95 FD 1.11 HH 1.00* HN 1.11 ! KK 1.00 KP 0.98 LA 1.07 MK 0.82 ! NL 0.91 NY 0.99 ON 1.00* OV 0.92 ! PT 0.95 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.21 HH 1.00* HN 1.11 ! KK 1.00* KP 1.05 LA 0.90 MK 1.00* ! NL 1.01 NY 1.00* ON 1.00* OV 1.06 ! PT 1.08 SC 1.06 WZ 0.78 ZC 1.14 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.18 HH 1.00* HN 1.21 ! KK 1.03 KP 1.04 LA 0.89 MK 0.83 ! NL 1.00 NY 1.00* ON 1.00* OV 1.02 ! PT 1.06 SC 1.17 WZ 1.00* ZC 1.10 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.26 HH 1.00* HN 1.14 ! KK 1.04 KP 1.12 LA 0.87 MK 1.00* ! NL 0.97 NY 0.86 ON 1.00* OV 0.98 ! PT 1.02 SC 1.03 WZ 0.81 ZC 1.16 ! ! A total of 93 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.08 FD 1.16 HH 1.00* HN 1.20 ! KK 1.00* KP 0.98 LA 0.93 MK 1.00* ! NL 1.02 NY 0.90 ON 1.00* OV 1.00* ! PT 1.09 SC 1.00* WZ 1.00* ZC 1.17 ! ! A total of 12 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.01 FD 1.12 HH 1.00* HN 1.11 ! KK 1.07 KP 0.99 LA 0.85 MK 0.83 ! NL 0.95 NY 0.93 ON 1.00* OV 0.97 ! PT 1.01 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.18 HH 1.00* HN 1.01 ! KK 1.00* KP 0.97 LA 0.76 MK 1.00* ! NL 0.92 NY 1.00* ON 1.00* OV 0.86 ! PT 0.92 SC 1.03 WZ 0.76 ZC 1.00 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.12 HH 1.00* HN 1.16 ! KK 1.02 KP 0.94 LA 0.73 MK 0.89 ! NL 0.92 NY 1.00* ON 1.00* OV 0.86 ! PT 0.92 SC 1.12 WZ 1.00* ZC 1.02 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 1.25 HH 1.00* HN 1.03 ! KK 1.02 KP 1.05 LA 0.74 MK 1.00* ! NL 0.87 NY 1.03 ON 1.00* OV 0.81 ! PT 0.88 SC 1.05 WZ 0.78 ZC 1.05 ! ! A total of 93 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.15 HH 1.00* HN 1.10 ! KK 1.00* KP 0.91 LA 0.79 MK 1.00* ! NL 0.88 NY 1.00 ON 1.00* OV 1.00* ! PT 0.90 SC 1.00* WZ 1.00* ZC 1.05 ! ! A total of 12 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.90 FD 1.08 HH 1.00* HN 1.04 ! KK 1.09 KP 0.90 LA 0.72 MK 0.89 ! NL 0.86 NY 1.05 ON 1.00* OV 0.80 ! PT 0.87 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.228007Jy sigma=0.001940 ! Fit after self-cal, rms=0.159939Jy sigma=0.001315 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.649 mas, bmaj=3.872 mas, bpa=-5.956 degrees ! Estimated noise=549.376 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 = -0.000996496 Jy ! Component: 100 - total flux cleaned = -0.00147608 Jy ! Component: 150 - total flux cleaned = -0.00188674 Jy ! Component: 200 - total flux cleaned = -0.0020673 Jy ! Total flux subtracted in 200 components = -0.0020673 Jy ! Clean residual min=-0.004220 max=0.006729 Jy/beam ! Clean residual mean=0.000063 rms=0.001287 Jy/beam ! Combined flux in latest and established models = 0.985818 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 45 components and 0.985818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159715Jy sigma=0.001313 ! Fit after self-cal, rms=0.159797Jy sigma=0.001312 ! Inverting map ! Added new window around map position (-6.5, -15.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00588266 Jy ! Component: 100 - total flux cleaned = 0.00765791 Jy ! Component: 150 - total flux cleaned = 0.00927646 Jy ! Component: 200 - total flux cleaned = 0.0104451 Jy ! Total flux subtracted in 200 components = 0.0104451 Jy ! Clean residual min=-0.004184 max=0.003651 Jy/beam ! Clean residual mean=-0.000047 rms=0.001115 Jy/beam ! Combined flux in latest and established models = 0.996263 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 0.996263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159479Jy sigma=0.001309 ! Fit after self-cal, rms=0.159421Jy sigma=0.001309 ! 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=0.159421Jy sigma=0.001309 ! Fit after self-cal, rms=0.158746Jy sigma=0.001294 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.646 mas, bmaj=3.874 mas, bpa=-6.52 degrees ! Estimated noise=549.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00312975 Jy ! Component: 100 - total flux cleaned = 0.00398068 Jy ! Component: 150 - total flux cleaned = 0.00466432 Jy ! Component: 200 - total flux cleaned = 0.00466377 Jy ! Total flux subtracted in 200 components = 0.00466377 Jy ! Clean residual min=-0.002839 max=0.003676 Jy/beam ! Clean residual mean=0.000099 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 1.00093 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 65 components and 1.00093 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158617Jy sigma=0.001293 ! Fit after self-cal, rms=0.158580Jy sigma=0.001293 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 (-27, -53). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00306913 Jy ! Component: 100 - total flux cleaned = 0.00416552 Jy ! Component: 150 - total flux cleaned = 0.00497458 Jy ! Component: 200 - total flux cleaned = 0.00525435 Jy ! Total flux subtracted in 200 components = 0.00525435 Jy ! Clean residual min=-0.002636 max=0.002770 Jy/beam ! Clean residual mean=0.000066 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 1.00618 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 81 components and 1.00618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158464Jy sigma=0.001292 ! Fit after self-cal, rms=0.158436Jy sigma=0.001291 ! 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=0.158436Jy sigma=0.001291 ! Fit after self-cal, rms=0.158376Jy sigma=0.001291 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.648 mas, bmaj=3.872 mas, bpa=-7.046 degrees ! Estimated noise=549.647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128104 Jy ! Component: 100 - total flux cleaned = 0.0020616 Jy ! Component: 150 - total flux cleaned = 0.00253325 Jy ! Component: 200 - total flux cleaned = 0.00259646 Jy ! Total flux subtracted in 200 components = 0.00259646 Jy ! Clean residual min=-0.002730 max=0.002731 Jy/beam ! Clean residual mean=0.000079 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 1.00878 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 86 components and 1.00878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158306Jy sigma=0.001291 ! Fit after self-cal, rms=0.158282Jy sigma=0.001291 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 = 9.62485e-05 Jy ! Component: 100 - total flux cleaned = 0.000524582 Jy ! Component: 150 - total flux cleaned = 0.00063676 Jy ! Component: 200 - total flux cleaned = 0.000690305 Jy ! Total flux subtracted in 200 components = 0.000690305 Jy ! Clean residual min=-0.002744 max=0.002688 Jy/beam ! Clean residual mean=0.000073 rms=0.000715 Jy/beam ! Combined flux in latest and established models = 1.00947 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 94 components and 1.00947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158233Jy sigma=0.001290 ! Fit after self-cal, rms=0.158214Jy sigma=0.001290 ! 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=0.158214Jy sigma=0.001290 ! Fit after self-cal, rms=0.158174Jy sigma=0.001290 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.188 mas, bmaj=10.77 mas, bpa=-41.94 degrees ! Estimated noise=667.428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.001856 Jy ! Component: 100 - total flux cleaned = 0.00227469 Jy ! Component: 150 - total flux cleaned = 0.00262376 Jy ! Component: 200 - total flux cleaned = 0.00294393 Jy ! Total flux subtracted in 200 components = 0.00294393 Jy ! Clean residual min=-0.002484 max=0.002425 Jy/beam ! Clean residual mean=0.000132 rms=0.000815 Jy/beam ! Combined flux in latest and established models = 1.01241 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 105 components and 1.01241 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158160Jy sigma=0.001290 ! Fit after self-cal, rms=0.158145Jy sigma=0.001290 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 = 8.98948e-05 Jy ! Component: 100 - total flux cleaned = 0.000216288 Jy ! Component: 150 - total flux cleaned = 0.000446373 Jy ! Component: 200 - total flux cleaned = 0.000533582 Jy ! Total flux subtracted in 200 components = 0.000533582 Jy ! Clean residual min=-0.002452 max=0.002495 Jy/beam ! Clean residual mean=0.000122 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 1.01295 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 108 components and 1.01295 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158137Jy sigma=0.001290 ! Fit after self-cal, rms=0.158124Jy sigma=0.001290 ! 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=3.649 mas, bmaj=3.871 mas, bpa=-7.522 degrees ! Estimated noise=549.699 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.649 x 3.871 at -7.522 degrees (North through East) ! Clean map min=-0.0025164 max=0.81276 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=0.158124Jy sigma=0.001290 ! Fit after self-cal, rms=0.146276Jy sigma=0.001164 ! Inverting map and beam ! Estimated beam: bmin=3.651 mas, bmaj=3.868 mas, bpa=-6.843 degrees ! Estimated noise=549.624 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000596137 Jy ! Component: 100 - total flux cleaned = 0.000289463 Jy ! Component: 150 - total flux cleaned = 0.000182098 Jy ! Component: 200 - total flux cleaned = 0.000133095 Jy ! Total flux subtracted in 200 components = 0.000133095 Jy ! Clean residual min=-0.002689 max=0.002680 Jy/beam ! Clean residual mean=0.000075 rms=0.000681 Jy/beam ! Combined flux in latest and established models = 1.01308 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 117 components and 1.01308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146225Jy sigma=0.001164 ! Fit after self-cal, rms=0.146210Jy sigma=0.001164 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.42689e-05 Jy ! Component: 100 - total flux cleaned = -6.68255e-05 Jy ! Component: 150 - total flux cleaned = -6.53152e-05 Jy ! Component: 200 - total flux cleaned = -6.40606e-05 Jy ! Total flux subtracted in 200 components = -6.40606e-05 Jy ! Clean residual min=-0.002658 max=0.002675 Jy/beam ! Clean residual mean=0.000076 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 1.01301 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 123 components and 1.01301 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146176Jy sigma=0.001164 ! Fit after self-cal, rms=0.146165Jy sigma=0.001163 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146165Jy sigma=0.001163 ! Fit after self-cal, rms=0.146064Jy sigma=0.001163 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=2.287 mas, bmaj=2.453 mas, bpa=8.735 degrees ! Estimated noise=1039.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.60346 Jy ! Component: 100 - total flux cleaned = 0.769552 Jy ! Component: 150 - total flux cleaned = 0.856114 Jy ! Component: 200 - total flux cleaned = 0.90409 Jy ! Total flux subtracted in 200 components = 0.90409 Jy ! Clean residual min=-0.006895 max=0.023580 Jy/beam ! Clean residual mean=0.000130 rms=0.002138 Jy/beam ! Combined flux in latest and established models = 0.90409 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.90409 Jy ! Inverting map and beam ! Estimated beam: bmin=3.651 mas, bmaj=3.866 mas, bpa=-7.292 degrees ! Estimated noise=549.612 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 = 0.0475505 Jy ! Component: 100 - total flux cleaned = 0.0678296 Jy ! Component: 150 - total flux cleaned = 0.0780708 Jy ! Component: 200 - total flux cleaned = 0.0849117 Jy ! Total flux subtracted in 200 components = 0.0849117 Jy ! Clean residual min=-0.002937 max=0.005217 Jy/beam ! Clean residual mean=0.000316 rms=0.000949 Jy/beam ! Combined flux in latest and established models = 0.989002 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 60 components and 0.989002 Jy ! Inverting map ! Added new window around map position (-3.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00548175 Jy ! Component: 100 - total flux cleaned = 0.00958988 Jy ! Component: 150 - total flux cleaned = 0.012899 Jy ! Component: 200 - total flux cleaned = 0.015619 Jy ! Total flux subtracted in 200 components = 0.015619 Jy ! Clean residual min=-0.002687 max=0.002787 Jy/beam ! Clean residual mean=0.000164 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 1.00462 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 85 components and 1.00462 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=9.184 mas, bmaj=10.76 mas, bpa=-42.07 degrees ! Estimated noise=667.806 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00282451 Jy ! Component: 100 - total flux cleaned = 0.00469406 Jy ! Component: 150 - total flux cleaned = 0.00605455 Jy ! Component: 200 - total flux cleaned = 0.0071084 Jy ! Total flux subtracted in 200 components = 0.00710839 Jy ! Clean residual min=-0.002351 max=0.002458 Jy/beam ! Clean residual mean=0.000192 rms=0.000787 Jy/beam ! Combined flux in latest and established models = 1.01173 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 = 0.000832611 Jy ! Component: 100 - total flux cleaned = 0.00149335 Jy ! Component: 150 - total flux cleaned = 0.00194305 Jy ! Component: 200 - total flux cleaned = 0.00217902 Jy ! Total flux subtracted in 200 components = 0.00217902 Jy ! Clean residual min=-0.002336 max=0.002439 Jy/beam ! Clean residual mean=0.000153 rms=0.000780 Jy/beam ! Combined flux in latest and established models = 1.01391 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 133 components and 1.01391 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.651 mas, bmaj=3.866 mas, bpa=-7.292 degrees ! Estimated noise=549.612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000420086 Jy ! Component: 100 - total flux cleaned = -0.000361534 Jy ! Component: 150 - total flux cleaned = -0.000310219 Jy ! Component: 200 - total flux cleaned = -0.000415585 Jy ! Total flux subtracted in 200 components = -0.000415585 Jy ! Clean residual min=-0.002504 max=0.002585 Jy/beam ! Clean residual mean=0.000077 rms=0.000670 Jy/beam ! Combined flux in latest and established models = 1.01349 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 141 components and 1.01349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146093Jy sigma=0.001164 ! Fit after self-cal, rms=0.146020Jy sigma=0.001163 wmodel J1638+5720_S_2008_04_02_pus_map.mod ! Writing 141 model components to file: J1638+5720_S_2008_04_02_pus_map.mod wobs J1638+5720_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1638+5720_S_2008_04_02_pus_uvs.fits wwins J1638+5720_S_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J1638+5720_S_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000685754 Jy ! Component: 100 - total flux cleaned = 0.000948946 Jy ! Component: 150 - total flux cleaned = 0.00115945 Jy ! Component: 200 - total flux cleaned = 0.00140145 Jy ! Component: 250 - total flux cleaned = 0.00159799 Jy ! Component: 300 - total flux cleaned = 0.00182876 Jy ! Component: 350 - total flux cleaned = 0.00205518 Jy ! Component: 400 - total flux cleaned = 0.00231419 Jy ! Component: 450 - total flux cleaned = 0.00249543 Jy ! Component: 500 - total flux cleaned = 0.00274513 Jy ! Component: 550 - total flux cleaned = 0.00295579 Jy ! Component: 600 - total flux cleaned = 0.00323186 Jy ! Component: 650 - total flux cleaned = 0.00343525 Jy ! Component: 700 - total flux cleaned = 0.00363535 Jy ! Component: 750 - total flux cleaned = 0.00373438 Jy ! Component: 800 - total flux cleaned = 0.00393002 Jy ! Component: 850 - total flux cleaned = 0.00402682 Jy ! Component: 900 - total flux cleaned = 0.0041858 Jy ! Component: 950 - total flux cleaned = 0.00428017 Jy ! Component: 1000 - total flux cleaned = 0.00452843 Jy ! Component: 1050 - total flux cleaned = 0.00455911 Jy ! Component: 1100 - total flux cleaned = 0.00474166 Jy ! Component: 1150 - total flux cleaned = 0.00489211 Jy ! Component: 1200 - total flux cleaned = 0.00504111 Jy ! Component: 1250 - total flux cleaned = 0.00518846 Jy ! Component: 1300 - total flux cleaned = 0.00533452 Jy ! Component: 1350 - total flux cleaned = 0.00547931 Jy ! Component: 1400 - total flux cleaned = 0.00562295 Jy ! Component: 1450 - total flux cleaned = 0.0057086 Jy ! Component: 1500 - total flux cleaned = 0.00587825 Jy ! Component: 1550 - total flux cleaned = 0.00596245 Jy ! Component: 1600 - total flux cleaned = 0.00610188 Jy ! Component: 1650 - total flux cleaned = 0.00629517 Jy ! Component: 1700 - total flux cleaned = 0.00648671 Jy ! Component: 1750 - total flux cleaned = 0.0065681 Jy ! Component: 1800 - total flux cleaned = 0.00675689 Jy ! Component: 1850 - total flux cleaned = 0.0068106 Jy ! Component: 1900 - total flux cleaned = 0.00699736 Jy ! Component: 1950 - total flux cleaned = 0.00705028 Jy ! Component: 2000 - total flux cleaned = 0.00718211 Jy ! Total flux subtracted in 2048 components = 0.00728698 Jy ! Clean residual min=-0.001484 max=0.001786 Jy/beam ! Clean residual mean=0.000019 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 1.02078 Jy keep ! Adding 132 model components to the UV plane model. ! The established model now contains 273 components and 1.02078 Jy wmap "J1638+5720_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.651 x 3.866 at -7.292 degrees (North through East) ! Clean map min=-0.0022576 max=0.81253 Jy/beam ! Writing clean map to FITS file: J1638+5720_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.812529 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000492831 device "J1638+5720_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1638+5720_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.181962 0.181962 0.363923 0.727847 1.45569 2.91139 5.82277 11.6455 23.2911 46.5822 93.1644 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.812 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.651 x 3.866 at -7.292 degrees (North through East) ! Clean map min=-0.0022576 max=0.81253 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1638+5720_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1638+5720_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1638+5720_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:42:21 2010