! Started logfile: J0237+2848_S_2000_03_13_pus_uvs.log on Tue Apr 2 23:01:40 2013 obs J0237+2848_S_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0237+2848_S_2000_03_13_pus_uva.fits ! AN table 1: 185 integrations on 190 of 190 possible baselines. ! AN table 2: 148 integrations on 190 of 190 possible baselines. ! AN table 3: 29 integrations on 190 of 190 possible baselines. ! AN table 4: 80 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.142165 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0237+2848 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2251 lines of history. ! ! Reading 47756 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 J0237+2848_S_2000_03_13_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 2568 telescope corrections were flagged in sub-array 1. ! A total of 2082 telescope corrections were flagged in sub-array 2. ! A total of 301 telescope corrections were flagged in sub-array 3. ! A total of 1129 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 2570 telescope corrections were flagged in sub-array 1. ! A total of 2085 telescope corrections were flagged in sub-array 2. ! A total of 300 telescope corrections were flagged in sub-array 3. ! A total of 1129 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 2601 telescope corrections were flagged in sub-array 1. ! A total of 2082 telescope corrections were flagged in sub-array 2. ! A total of 300 telescope corrections were flagged in sub-array 3. ! A total of 1151 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 2560 telescope corrections were flagged in sub-array 1. ! A total of 2082 telescope corrections were flagged in sub-array 2. ! A total of 300 telescope corrections were flagged in sub-array 3. ! A total of 1128 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.793914Jy sigma=0.005576 ! Fit after self-cal, rms=0.550399Jy sigma=0.003951 ! 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=1.859 mas, bmaj=2.899 mas, bpa=3.94 degrees ! Estimated noise=860.157 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 = 0.483401 Jy ! Component: 100 - total flux cleaned = 0.666163 Jy ! Total flux subtracted in 100 components = 0.666163 Jy ! Clean residual min=-0.031020 max=0.160194 Jy/beam ! Clean residual mean=0.000006 rms=0.009606 Jy/beam ! Combined flux in latest and established models = 0.666163 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.666163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.463559Jy sigma=0.003507 ! Fit after self-cal, rms=0.459321Jy sigma=0.003494 ! Inverting map ! Added new window around map position (-1, 4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.157156 Jy ! Component: 100 - total flux cleaned = 0.251146 Jy ! Total flux subtracted in 100 components = 0.251146 Jy ! Clean residual min=-0.021518 max=0.056277 Jy/beam ! Clean residual mean=0.000002 rms=0.006379 Jy/beam ! Combined flux in latest and established models = 0.917309 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 27 components and 0.917309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358687Jy sigma=0.002518 ! Fit after self-cal, rms=0.350978Jy sigma=0.002466 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0797739 Jy ! Component: 100 - total flux cleaned = 0.137923 Jy ! Total flux subtracted in 100 components = 0.137923 Jy ! Clean residual min=-0.014024 max=0.034765 Jy/beam ! Clean residual mean=0.000003 rms=0.004640 Jy/beam ! Combined flux in latest and established models = 1.05523 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 41 components and 1.05523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310594Jy sigma=0.002029 ! Fit after self-cal, rms=0.308270Jy sigma=0.002013 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0500194 Jy ! Component: 100 - total flux cleaned = 0.0882397 Jy ! Total flux subtracted in 100 components = 0.0882397 Jy ! Clean residual min=-0.012408 max=0.025510 Jy/beam ! Clean residual mean=0.000003 rms=0.003774 Jy/beam ! Combined flux in latest and established models = 1.14347 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 49 components and 1.14347 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.288665Jy sigma=0.001785 ! Fit after self-cal, rms=0.287827Jy sigma=0.001780 ! Inverting map ! Added new window around map position (0, 7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0339011 Jy ! Component: 100 - total flux cleaned = 0.0608672 Jy ! Total flux subtracted in 100 components = 0.0608672 Jy ! Clean residual min=-0.012001 max=0.019243 Jy/beam ! Clean residual mean=0.000002 rms=0.003313 Jy/beam ! Combined flux in latest and established models = 1.20434 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 61 components and 1.20434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277522Jy sigma=0.001655 ! Fit after self-cal, rms=0.277077Jy sigma=0.001653 ! 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=2.319 mas, bmaj=3.408 mas, bpa=3.511 degrees ! Estimated noise=456.956 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 = 0.0573237 Jy ! Component: 100 - total flux cleaned = 0.094104 Jy ! Component: 150 - total flux cleaned = 0.119411 Jy ! Component: 200 - total flux cleaned = 0.137121 Jy ! Total flux subtracted in 200 components = 0.137121 Jy ! Clean residual min=-0.010799 max=0.020544 Jy/beam ! Clean residual mean=0.000337 rms=0.003612 Jy/beam ! Combined flux in latest and established models = 1.34146 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 81 components and 1.34146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264050Jy sigma=0.001495 ! Fit after self-cal, rms=0.263298Jy sigma=0.001489 ! Inverting map ! Added new window around map position (1.5, 13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0217654 Jy ! Component: 100 - total flux cleaned = 0.03547 Jy ! Component: 150 - total flux cleaned = 0.0450821 Jy ! Component: 200 - total flux cleaned = 0.0519563 Jy ! Total flux subtracted in 200 components = 0.0519563 Jy ! Clean residual min=-0.009668 max=0.013455 Jy/beam ! Clean residual mean=0.000176 rms=0.002866 Jy/beam ! Combined flux in latest and established models = 1.39342 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 100 components and 1.39342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261222Jy sigma=0.001465 ! Fit after self-cal, rms=0.260822Jy sigma=0.001462 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 177 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 GC 1.08 KP 0.98 ! LA 0.99 NL 0.96 OV 1.06 PT 0.98 ! SC 1.04 WF 1.07 HH 1.06 KK 1.00* ! MA 1.00* MC 1.19 MK 1.00* NY 1.11 ! ON 0.79 TS 1.00* WZ 1.06 HN 1.00* ! ! A total of 135 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.01 GC 1.10 KP 0.97 ! LA 1.00 NL 1.00 OV 1.01 PT 1.02 ! SC 1.00 WF 1.09 HH 1.00* KK 1.00* ! MA 1.00* MC 1.12 MK 1.09 NY 1.07 ! ON 0.88 TS 1.10 WZ 0.74 HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 1.01 GC 1.08 KP 0.88 ! LA 1.00 NL 1.03 OV 0.99 PT 1.00 ! SC 1.00* WF 1.01 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.06 NY 0.96 ! ON 1.00* TS 1.02 WZ 1.00* HN 1.07 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.91 FD 1.00* GC 1.06 KP 0.97 ! LA 0.97 NL 1.00 OV 0.96 PT 0.95 ! SC 1.05 WF 0.95 HH 1.00* KK 1.00* ! MA 1.00* MC 1.17 MK 1.06 NY 1.04 ! ON 0.88 TS 1.00* WZ 0.97 HN 1.00* ! ! ! Correcting IF 2. ! A total of 180 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 GC 1.09 KP 0.96 ! LA 0.99 NL 0.97 OV 1.06 PT 0.99 ! SC 1.03 WF 0.97 HH 1.00 KK 1.00* ! MA 1.00* MC 1.92 MK 1.00* NY 1.07 ! ON 0.88 TS 1.00* WZ 0.94 HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 GC 1.09 KP 0.95 ! LA 1.01 NL 1.00 OV 0.99 PT 1.02 ! SC 1.00 WF 1.02 HH 1.00* KK 1.00* ! MA 1.00* MC 1.26 MK 1.08 NY 1.03 ! ON 0.91 TS 1.09 WZ 0.72 HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.98 GC 1.10 KP 0.94 ! LA 1.01 NL 1.06 OV 0.96 PT 1.00 ! SC 1.00* WF 1.07 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.06 NY 0.98 ! ON 1.00* TS 1.00 WZ 1.00* HN 1.12 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 1.00* GC 1.07 KP 0.95 ! LA 0.96 NL 1.00 OV 0.95 PT 0.96 ! SC 1.05 WF 1.02 HH 1.00* KK 1.00* ! MA 1.00* MC 0.94 MK 1.07 NY 1.03 ! ON 0.89 TS 1.00* WZ 0.96 HN 1.00* ! ! ! Correcting IF 3. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.06 KP 1.04 ! LA 1.00 NL 0.94 OV 1.08 PT 0.96 ! SC 0.99 WF 1.06 HH 1.00 KK 1.00* ! MA 1.00* MC 0.92 MK 1.00* NY 1.11 ! ON 0.82 TS 1.00* WZ 0.97 HN 1.00* ! ! A total of 135 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.95 GC 1.08 KP 1.03 ! LA 1.01 NL 0.97 OV 1.03 PT 1.00 ! SC 0.97 WF 0.89 HH 1.00* KK 1.00* ! MA 1.00* MC 0.87 MK 1.09 NY 1.03 ! ON 0.92 TS 1.12 WZ 0.73 HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.97 GC 1.12 KP 1.00 ! LA 1.03 NL 1.02 OV 1.01 PT 0.97 ! SC 1.00* WF 0.90 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.05 NY 0.97 ! ON 1.00* TS 1.00 WZ 1.00* HN 1.11 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.00* GC 1.06 KP 1.03 ! LA 0.98 NL 0.97 OV 0.98 PT 0.96 ! SC 1.01 WF 1.54 HH 1.00* KK 1.00* ! MA 1.00* MC 0.91 MK 1.08 NY 1.05 ! ON 0.87 TS 1.00* WZ 0.95 HN 1.00* ! ! ! Correcting IF 4. ! A total of 180 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 GC 1.07 KP 1.01 ! LA 0.99 NL 0.96 OV 1.05 PT 0.99 ! SC 0.99 WF 1.00 HH 1.02 KK 1.00* ! MA 1.00* MC 1.50 MK 1.00* NY 1.06 ! ON 0.82 TS 1.00* WZ 1.05 HN 1.00* ! ! A total of 135 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.07 KP 1.00 ! LA 1.02 NL 0.99 OV 1.00 PT 1.12 ! SC 0.98 WF 1.06 HH 1.00* KK 1.00* ! MA 1.00* MC 1.05 MK 1.09 NY 0.99 ! ON 0.86 TS 1.05 WZ 0.74 HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.99 GC 1.07 KP 1.01 ! LA 1.00 NL 1.01 OV 1.01 PT 1.00 ! SC 1.00* WF 1.08 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.07 NY 0.93 ! ON 1.00* TS 1.02 WZ 1.00* HN 1.12 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 1.00* GC 1.04 KP 1.00 ! LA 0.97 NL 0.96 OV 0.99 PT 1.17 ! SC 1.02 WF 1.05 HH 1.00* KK 1.00* ! MA 1.00* MC 1.10 MK 1.07 NY 1.00 ! ON 0.86 TS 1.00* WZ 0.97 HN 1.00* ! ! ! Fit before self-cal, rms=0.260822Jy sigma=0.001462 ! Fit after self-cal, rms=0.236197Jy sigma=0.001354 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.316 mas, bmaj=3.448 mas, bpa=2.152 degrees ! Estimated noise=465.273 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 = 0.00497609 Jy ! Component: 100 - total flux cleaned = 0.00621767 Jy ! Component: 150 - total flux cleaned = 0.00672969 Jy ! Component: 200 - total flux cleaned = 0.00672985 Jy ! Total flux subtracted in 200 components = 0.00672985 Jy ! Clean residual min=-0.005780 max=0.005934 Jy/beam ! Clean residual mean=0.000069 rms=0.001393 Jy/beam ! Combined flux in latest and established models = 1.40014 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 114 components and 1.40015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235893Jy sigma=0.001350 ! Fit after self-cal, rms=0.235743Jy sigma=0.001350 ! 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=0.235743Jy sigma=0.001350 ! Fit after self-cal, rms=0.229594Jy sigma=0.001323 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.313 mas, bmaj=3.445 mas, bpa=2.117 degrees ! Estimated noise=464.094 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00512384 Jy ! Component: 100 - total flux cleaned = 0.00680776 Jy ! Component: 150 - total flux cleaned = 0.00721687 Jy ! Component: 200 - total flux cleaned = 0.00745561 Jy ! Total flux subtracted in 200 components = 0.00745561 Jy ! Clean residual min=-0.005009 max=0.005181 Jy/beam ! Clean residual mean=0.000087 rms=0.001069 Jy/beam ! Combined flux in latest and established models = 1.4076 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 119 components and 1.4076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229365Jy sigma=0.001321 ! Fit after self-cal, rms=0.229312Jy sigma=0.001320 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 (-3.5, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00458552 Jy ! Component: 100 - total flux cleaned = 0.00509 Jy ! Component: 150 - total flux cleaned = 0.00509498 Jy ! Component: 200 - total flux cleaned = 0.00520751 Jy ! Total flux subtracted in 200 components = 0.00520751 Jy ! Clean residual min=-0.004616 max=0.004445 Jy/beam ! Clean residual mean=0.000067 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 1.41281 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 128 components and 1.41281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229065Jy sigma=0.001318 ! Fit after self-cal, rms=0.229004Jy sigma=0.001318 ! 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=0.229004Jy sigma=0.001318 ! Fit after self-cal, rms=0.227036Jy sigma=0.001311 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.31 mas, bmaj=3.446 mas, bpa=2.038 degrees ! Estimated noise=463.658 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00346283 Jy ! Component: 100 - total flux cleaned = 0.00536762 Jy ! Component: 150 - total flux cleaned = 0.0063441 Jy ! Component: 200 - total flux cleaned = 0.00672223 Jy ! Total flux subtracted in 200 components = 0.00672223 Jy ! Clean residual min=-0.003554 max=0.004048 Jy/beam ! Clean residual mean=0.000068 rms=0.000901 Jy/beam ! Combined flux in latest and established models = 1.41953 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 139 components and 1.41953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226883Jy sigma=0.001310 ! Fit after self-cal, rms=0.226828Jy sigma=0.001310 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 = 0.000369069 Jy ! Component: 100 - total flux cleaned = 0.00146358 Jy ! Component: 150 - total flux cleaned = 0.00172137 Jy ! Component: 200 - total flux cleaned = 0.00188191 Jy ! Total flux subtracted in 200 components = 0.00188191 Jy ! Clean residual min=-0.003625 max=0.003898 Jy/beam ! Clean residual mean=0.000061 rms=0.000877 Jy/beam ! Combined flux in latest and established models = 1.42141 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 140 components and 1.42141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226736Jy sigma=0.001309 ! Fit after self-cal, rms=0.226700Jy sigma=0.001309 ! 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=0.226700Jy sigma=0.001309 ! Fit after self-cal, rms=0.226417Jy sigma=0.001309 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.678 mas, bmaj=8.971 mas, bpa=-85.79 degrees ! Estimated noise=631.715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00536346 Jy ! Component: 100 - total flux cleaned = 0.00654833 Jy ! Component: 150 - total flux cleaned = 0.00716981 Jy ! Component: 200 - total flux cleaned = 0.00765528 Jy ! Total flux subtracted in 200 components = 0.00765528 Jy ! Clean residual min=-0.003694 max=0.004629 Jy/beam ! Clean residual mean=0.000171 rms=0.001153 Jy/beam ! Combined flux in latest and established models = 1.42907 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 161 components and 1.42907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226399Jy sigma=0.001308 ! Fit after self-cal, rms=0.226361Jy sigma=0.001308 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 = 0.00011815 Jy ! Component: 100 - total flux cleaned = 0.000775524 Jy ! Component: 150 - total flux cleaned = 0.00123937 Jy ! Component: 200 - total flux cleaned = 0.00157201 Jy ! Total flux subtracted in 200 components = 0.00157201 Jy ! Clean residual min=-0.003462 max=0.004594 Jy/beam ! Clean residual mean=0.000155 rms=0.001139 Jy/beam ! Combined flux in latest and established models = 1.43064 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 174 components and 1.43064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226368Jy sigma=0.001308 ! Fit after self-cal, rms=0.226340Jy sigma=0.001308 ! Inverting map ! Added new window around map position (13.5, 24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00439296 Jy ! Component: 100 - total flux cleaned = 0.00597341 Jy ! Component: 150 - total flux cleaned = 0.00692743 Jy ! Component: 200 - total flux cleaned = 0.00767125 Jy ! Total flux subtracted in 200 components = 0.00767125 Jy ! Clean residual min=-0.003041 max=0.003337 Jy/beam ! Clean residual mean=0.000085 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 1.43831 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 199 components and 1.43831 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226315Jy sigma=0.001308 ! Fit after self-cal, rms=0.226298Jy sigma=0.001308 ! 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=2.309 mas, bmaj=3.448 mas, bpa=1.943 degrees ! Estimated noise=463.67 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.309 x 3.448 at 1.943 degrees (North through East) ! Clean map min=-0.0030414 max=0.62138 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=0.226298Jy sigma=0.001308 ! Fit after self-cal, rms=0.212034Jy sigma=0.001202 ! Inverting map and beam ! Estimated beam: bmin=2.311 mas, bmaj=3.449 mas, bpa=2.152 degrees ! Estimated noise=463.418 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00154955 Jy ! Component: 100 - total flux cleaned = 0.00240969 Jy ! Component: 150 - total flux cleaned = 0.00318641 Jy ! Component: 200 - total flux cleaned = 0.00348863 Jy ! Total flux subtracted in 200 components = 0.00348863 Jy ! Clean residual min=-0.003018 max=0.003245 Jy/beam ! Clean residual mean=0.000019 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 1.4418 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 219 components and 1.4418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211896Jy sigma=0.001201 ! Fit after self-cal, rms=0.211871Jy sigma=0.001201 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000556696 Jy ! Component: 100 - total flux cleaned = 0.000935755 Jy ! Component: 150 - total flux cleaned = 0.00102543 Jy ! Component: 200 - total flux cleaned = 0.00119738 Jy ! Total flux subtracted in 200 components = 0.00119738 Jy ! Clean residual min=-0.002889 max=0.003131 Jy/beam ! Clean residual mean=0.000014 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 1.443 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 232 components and 1.443 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211785Jy sigma=0.001201 ! Fit after self-cal, rms=0.211765Jy sigma=0.001201 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211765Jy sigma=0.001201 ! Fit after self-cal, rms=0.211723Jy sigma=0.001200 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=1.853 mas, bmaj=2.917 mas, bpa=2.719 degrees ! Estimated noise=876.264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.499113 Jy ! Component: 100 - total flux cleaned = 0.716539 Jy ! Component: 150 - total flux cleaned = 0.85634 Jy ! Component: 200 - total flux cleaned = 0.958876 Jy ! Total flux subtracted in 200 components = 0.958876 Jy ! Clean residual min=-0.013540 max=0.058885 Jy/beam ! Clean residual mean=0.000032 rms=0.005136 Jy/beam ! Combined flux in latest and established models = 0.958876 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 34 model components to the UV plane model. ! The established model now contains 34 components and 0.958876 Jy ! Inverting map and beam ! Estimated beam: bmin=2.309 mas, bmaj=3.449 mas, bpa=2.112 degrees ! Estimated noise=463.394 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 = 0.152381 Jy ! Component: 100 - total flux cleaned = 0.244075 Jy ! Component: 150 - total flux cleaned = 0.30338 Jy ! Component: 200 - total flux cleaned = 0.344163 Jy ! Total flux subtracted in 200 components = 0.344163 Jy ! Clean residual min=-0.005719 max=0.022756 Jy/beam ! Clean residual mean=0.000484 rms=0.003681 Jy/beam ! Combined flux in latest and established models = 1.30304 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 94 components and 1.30304 Jy ! Inverting map ! Added new window around map position (2, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0294943 Jy ! Component: 100 - total flux cleaned = 0.0516778 Jy ! Component: 150 - total flux cleaned = 0.0686362 Jy ! Component: 200 - total flux cleaned = 0.0818013 Jy ! Total flux subtracted in 200 components = 0.0818013 Jy ! Clean residual min=-0.003475 max=0.007856 Jy/beam ! Clean residual mean=0.000208 rms=0.001508 Jy/beam ! Combined flux in latest and established models = 1.38484 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 143 components and 1.38484 Jy ! Inverting map ! Added new window around map position (-2, 12.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010323 Jy ! Component: 100 - total flux cleaned = 0.0185188 Jy ! Component: 150 - total flux cleaned = 0.0251245 Jy ! Component: 200 - total flux cleaned = 0.0305438 Jy ! Total flux subtracted in 200 components = 0.0305438 Jy ! Clean residual min=-0.002872 max=0.003640 Jy/beam ! Clean residual mean=0.000107 rms=0.000891 Jy/beam ! Combined flux in latest and established models = 1.41538 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 181 components and 1.41538 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=8.668 mas, bmaj=8.963 mas, bpa=-85.78 degrees ! Estimated noise=631.622 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00880718 Jy ! Component: 100 - total flux cleaned = 0.0143563 Jy ! Component: 150 - total flux cleaned = 0.0183773 Jy ! Component: 200 - total flux cleaned = 0.0213716 Jy ! Total flux subtracted in 200 components = 0.0213716 Jy ! Clean residual min=-0.003003 max=0.002749 Jy/beam ! Clean residual mean=0.000110 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 1.43676 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 = 0.00232779 Jy ! Component: 100 - total flux cleaned = 0.00418446 Jy ! Component: 150 - total flux cleaned = 0.00543428 Jy ! Component: 200 - total flux cleaned = 0.00619699 Jy ! Total flux subtracted in 200 components = 0.00619699 Jy ! Clean residual min=-0.002679 max=0.002320 Jy/beam ! Clean residual mean=0.000053 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 1.44295 Jy ! Adding 136 model components to the UV plane model. ! The established model now contains 300 components and 1.44295 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.309 mas, bmaj=3.449 mas, bpa=2.112 degrees ! Estimated noise=463.394 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000161359 Jy ! Component: 100 - total flux cleaned = -6.82858e-05 Jy ! Component: 150 - total flux cleaned = 1.64023e-05 Jy ! Component: 200 - total flux cleaned = 0.00025112 Jy ! Total flux subtracted in 200 components = 0.00025112 Jy ! Clean residual min=-0.002343 max=0.002800 Jy/beam ! Clean residual mean=0.000019 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 1.4432 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 333 components and 1.4432 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211392Jy sigma=0.001199 ! Fit after self-cal, rms=0.211260Jy sigma=0.001198 wmodel J0237+2848_S_2000_03_13_pus_map.mod ! Writing 333 model components to file: J0237+2848_S_2000_03_13_pus_map.mod wobs J0237+2848_S_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0237+2848_S_2000_03_13_pus_uvs.fits wwins J0237+2848_S_2000_03_13_pus_map.win ! wwins: Wrote 8 windows to J0237+2848_S_2000_03_13_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 = 0.000768976 Jy ! Component: 100 - total flux cleaned = 0.000993649 Jy ! Component: 150 - total flux cleaned = 0.000951709 Jy ! Component: 200 - total flux cleaned = 0.000909874 Jy ! Component: 250 - total flux cleaned = 0.000869976 Jy ! Component: 300 - total flux cleaned = 0.000949482 Jy ! Component: 350 - total flux cleaned = 0.000988061 Jy ! Component: 400 - total flux cleaned = 0.00102556 Jy ! Component: 450 - total flux cleaned = 0.00106262 Jy ! Component: 500 - total flux cleaned = 0.00117289 Jy ! Component: 550 - total flux cleaned = 0.0012455 Jy ! Component: 600 - total flux cleaned = 0.00135253 Jy ! Component: 650 - total flux cleaned = 0.00135199 Jy ! Component: 700 - total flux cleaned = 0.00131711 Jy ! Component: 750 - total flux cleaned = 0.00138613 Jy ! Component: 800 - total flux cleaned = 0.00135168 Jy ! Component: 850 - total flux cleaned = 0.00145321 Jy ! Component: 900 - total flux cleaned = 0.00145302 Jy ! Component: 950 - total flux cleaned = 0.00148635 Jy ! Component: 1000 - total flux cleaned = 0.00168388 Jy ! Component: 1050 - total flux cleaned = 0.00171624 Jy ! Component: 1100 - total flux cleaned = 0.00181349 Jy ! Component: 1150 - total flux cleaned = 0.00194241 Jy ! Component: 1200 - total flux cleaned = 0.00197431 Jy ! Component: 1250 - total flux cleaned = 0.00206942 Jy ! Component: 1300 - total flux cleaned = 0.00210074 Jy ! Component: 1350 - total flux cleaned = 0.00210095 Jy ! Component: 1400 - total flux cleaned = 0.00222551 Jy ! Component: 1450 - total flux cleaned = 0.00228685 Jy ! Component: 1500 - total flux cleaned = 0.0022252 Jy ! Component: 1550 - total flux cleaned = 0.00234748 Jy ! Component: 1600 - total flux cleaned = 0.00237778 Jy ! Component: 1650 - total flux cleaned = 0.00243821 Jy ! Component: 1700 - total flux cleaned = 0.00246814 Jy ! Component: 1750 - total flux cleaned = 0.00252782 Jy ! Component: 1800 - total flux cleaned = 0.00252803 Jy ! Component: 1850 - total flux cleaned = 0.00261657 Jy ! Component: 1900 - total flux cleaned = 0.00264598 Jy ! Component: 1950 - total flux cleaned = 0.00264611 Jy ! Component: 2000 - total flux cleaned = 0.00276226 Jy ! Total flux subtracted in 2048 components = 0.00273315 Jy ! Clean residual min=-0.001776 max=0.001820 Jy/beam ! Clean residual mean=0.000010 rms=0.000528 Jy/beam ! Combined flux in latest and established models = 1.44594 Jy keep ! Adding 157 model components to the UV plane model. ! The established model now contains 488 components and 1.44594 Jy ![Exited script file: muppet] wmap "J0237+2848_S_2000_03_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.309 x 3.449 at 2.112 degrees (North through East) ! Clean map min=-0.0021288 max=0.62279 Jy/beam ! Writing clean map to FITS file: J0237+2848_S_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.622791 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000527417 device "J0237+2848_S_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0237+2848_S_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.254058 0.254058 0.508116 1.01623 2.03246 4.06493 8.12986 16.2597 32.5194 65.0389 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.622 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.309 x 3.449 at 2.112 degrees (North through East) ! Clean map min=-0.0021288 max=0.62279 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0237+2848_S_2000_03_13_pus_uvs.log closed on Tue Apr 2 23:02:00 2013