! Started logfile: J1557-0001_S_2000_03_13_pus_uvs.log on Tue Apr 2 14:48:39 2013 obs J1557-0001_S_2000_03_13_pus_uva.fits ! Reading UV FITS file: J1557-0001_S_2000_03_13_pus_uva.fits ! AN table 1: 21 integrations on 190 of 190 possible baselines. ! AN table 2: 110 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.111531 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1557-0001 ! ! 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 2247 lines of history. ! ! Reading 11104 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 J1557-0001_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 303 telescope corrections were flagged in sub-array 1. ! A total of 1705 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 303 telescope corrections were flagged in sub-array 1. ! A total of 1705 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 303 telescope corrections were flagged in sub-array 1. ! A total of 1705 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 303 telescope corrections were flagged in sub-array 1. ! A total of 1705 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.733436Jy sigma=0.006474 ! Fit after self-cal, rms=0.590697Jy sigma=0.005250 ! 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=2.361 mas, bmaj=5.555 mas, bpa=0.2587 degrees ! Estimated noise=1041.12 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 = 0.331892 Jy ! Component: 100 - total flux cleaned = 0.416769 Jy ! Total flux subtracted in 100 components = 0.416769 Jy ! Clean residual min=-0.012040 max=0.035887 Jy/beam ! Clean residual mean=0.000474 rms=0.004600 Jy/beam ! Combined flux in latest and established models = 0.416769 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.416769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211104Jy sigma=0.001514 ! Fit after self-cal, rms=0.210964Jy sigma=0.001513 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0404449 Jy ! Component: 100 - total flux cleaned = 0.0648999 Jy ! Total flux subtracted in 100 components = 0.0648999 Jy ! Clean residual min=-0.011584 max=0.027347 Jy/beam ! Clean residual mean=0.000282 rms=0.003361 Jy/beam ! Combined flux in latest and established models = 0.481669 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 33 components and 0.481669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200110Jy sigma=0.001382 ! Fit after self-cal, rms=0.199927Jy sigma=0.001381 ! Inverting map ! Added new window around map position (4, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243802 Jy ! Component: 100 - total flux cleaned = 0.0390593 Jy ! Total flux subtracted in 100 components = 0.0390593 Jy ! Clean residual min=-0.010976 max=0.009595 Jy/beam ! Clean residual mean=0.000164 rms=0.002752 Jy/beam ! Combined flux in latest and established models = 0.520729 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 60 components and 0.520728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195905Jy sigma=0.001336 ! Fit after self-cal, rms=0.195723Jy sigma=0.001334 ! 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=2.805 mas, bmaj=6.312 mas, bpa=-0.318 degrees ! Estimated noise=778.366 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 = 0.0150775 Jy ! Component: 100 - total flux cleaned = 0.0245701 Jy ! Component: 150 - total flux cleaned = 0.0311684 Jy ! Component: 200 - total flux cleaned = 0.0358172 Jy ! Total flux subtracted in 200 components = 0.0358172 Jy ! Clean residual min=-0.010993 max=0.008949 Jy/beam ! Clean residual mean=0.000269 rms=0.002702 Jy/beam ! Combined flux in latest and established models = 0.556546 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 83 components and 0.556546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194060Jy sigma=0.001321 ! Fit after self-cal, rms=0.193974Jy sigma=0.001320 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 GC 1.12 KP 1.07 ! LA 1.01 NL 1.04 OV 1.07 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* TS 0.99 WZ 1.00* HN 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.02 GC 1.06 KP 1.01 ! LA 1.01 NL 0.88 OV 1.03 PT 1.01 ! SC 1.03 WF 1.13 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.09 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 GC 1.05 KP 1.04 ! LA 1.06 NL 1.06 OV 1.04 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.98 NY 1.00* ! ON 1.00* TS 1.00 WZ 1.00* HN 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.01 GC 1.08 KP 0.99 ! LA 1.01 NL 0.90 OV 1.03 PT 1.01 ! SC 1.02 WF 1.05 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.09 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 GC 1.02 KP 1.05 ! LA 1.00 NL 1.00 OV 1.08 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 0.98 WZ 1.00* HN 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.94 GC 1.03 KP 1.07 ! LA 1.01 NL 0.86 OV 1.04 PT 0.99 ! SC 1.04 WF 0.82 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.03 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.04 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 GC 1.03 KP 1.06 ! LA 1.01 NL 1.01 OV 1.02 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.95 NY 1.00* ! ON 1.00* TS 1.02 WZ 1.00* HN 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.02 GC 1.01 KP 1.01 ! LA 1.01 NL 0.87 OV 1.01 PT 0.98 ! SC 1.01 WF 1.05 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.02 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.06 ! ! ! Fit before self-cal, rms=0.193974Jy sigma=0.001320 ! Fit after self-cal, rms=0.188440Jy sigma=0.001289 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.832 mas, bmaj=6.416 mas, bpa=-0.1971 degrees ! Estimated noise=783.865 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 = 0.00580679 Jy ! Component: 100 - total flux cleaned = 0.00691528 Jy ! Component: 150 - total flux cleaned = 0.00761243 Jy ! Component: 200 - total flux cleaned = 0.00785109 Jy ! Total flux subtracted in 200 components = 0.00785109 Jy ! Clean residual min=-0.008244 max=0.008760 Jy/beam ! Clean residual mean=0.000347 rms=0.002013 Jy/beam ! Combined flux in latest and established models = 0.564397 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 99 components and 0.564397 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188197Jy sigma=0.001287 ! Fit after self-cal, rms=0.188237Jy sigma=0.001287 ! 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=0.188237Jy sigma=0.001287 ! Fit after self-cal, rms=0.182343Jy sigma=0.001249 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.836 mas, bmaj=6.422 mas, bpa=-0.2839 degrees ! Estimated noise=783.853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00130369 Jy ! Component: 100 - total flux cleaned = -0.0014978 Jy ! Component: 150 - total flux cleaned = -0.0015526 Jy ! Component: 200 - total flux cleaned = -0.00159735 Jy ! Total flux subtracted in 200 components = -0.00159735 Jy ! Clean residual min=-0.003522 max=0.004162 Jy/beam ! Clean residual mean=0.000254 rms=0.000997 Jy/beam ! Combined flux in latest and established models = 0.562799 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 108 components and 0.562799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182302Jy sigma=0.001249 ! Fit after self-cal, rms=0.182268Jy sigma=0.001248 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 = 0.000156484 Jy ! Component: 100 - total flux cleaned = 0.000156732 Jy ! Component: 150 - total flux cleaned = 0.00015546 Jy ! Component: 200 - total flux cleaned = 0.000121744 Jy ! Total flux subtracted in 200 components = 0.000121744 Jy ! Clean residual min=-0.003351 max=0.004220 Jy/beam ! Clean residual mean=0.000256 rms=0.000992 Jy/beam ! Combined flux in latest and established models = 0.562921 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 112 components and 0.562921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182249Jy sigma=0.001248 ! Fit after self-cal, rms=0.182247Jy sigma=0.001248 ! 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=0.182247Jy sigma=0.001248 ! Fit after self-cal, rms=0.182097Jy sigma=0.001248 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.841 mas, bmaj=6.431 mas, bpa=-0.3676 degrees ! Estimated noise=784.286 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00108421 Jy ! Component: 100 - total flux cleaned = -0.00117126 Jy ! Component: 150 - total flux cleaned = -0.00128291 Jy ! Component: 200 - total flux cleaned = -0.00131623 Jy ! Total flux subtracted in 200 components = -0.00131623 Jy ! Clean residual min=-0.003263 max=0.004154 Jy/beam ! Clean residual mean=0.000247 rms=0.000981 Jy/beam ! Combined flux in latest and established models = 0.561605 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 116 components and 0.561605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182074Jy sigma=0.001248 ! Fit after self-cal, rms=0.182071Jy sigma=0.001248 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 = 0.000106162 Jy ! Component: 100 - total flux cleaned = 0.00010649 Jy ! Component: 150 - total flux cleaned = 7.99819e-05 Jy ! Component: 200 - total flux cleaned = 3.00008e-05 Jy ! Total flux subtracted in 200 components = 3.00008e-05 Jy ! Clean residual min=-0.003203 max=0.004178 Jy/beam ! Clean residual mean=0.000247 rms=0.000979 Jy/beam ! Combined flux in latest and established models = 0.561635 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 120 components and 0.561635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182061Jy sigma=0.001248 ! Fit after self-cal, rms=0.182062Jy sigma=0.001248 ! 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=0.182062Jy sigma=0.001248 ! Fit after self-cal, rms=0.181995Jy sigma=0.001248 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.276 mas, bmaj=10.63 mas, bpa=10.94 degrees ! Estimated noise=1020.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000839214 Jy ! Component: 100 - total flux cleaned = -0.000927167 Jy ! Component: 150 - total flux cleaned = -0.000929933 Jy ! Component: 200 - total flux cleaned = -0.000916372 Jy ! Total flux subtracted in 200 components = -0.000916372 Jy ! Clean residual min=-0.003106 max=0.004429 Jy/beam ! Clean residual mean=0.000603 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 0.560718 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 124 components and 0.560718 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181988Jy sigma=0.001248 ! Fit after self-cal, rms=0.181986Jy sigma=0.001248 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 = 3.83768e-05 Jy ! Component: 100 - total flux cleaned = 9.3758e-05 Jy ! Component: 150 - total flux cleaned = 0.0001034 Jy ! Component: 200 - total flux cleaned = 0.000120431 Jy ! Total flux subtracted in 200 components = 0.000120431 Jy ! Clean residual min=-0.003107 max=0.004427 Jy/beam ! Clean residual mean=0.000601 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 0.560839 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 124 components and 0.560839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181986Jy sigma=0.001248 ! Fit after self-cal, rms=0.181986Jy sigma=0.001248 ! 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=2.845 mas, bmaj=6.44 mas, bpa=-0.4399 degrees ! Estimated noise=784.724 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.845 x 6.44 at -0.4399 degrees (North through East) ! Clean map min=-0.0030939 max=0.43737 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 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=2.387 mas, bmaj=5.608 mas, bpa=-0.1928 degrees ! Estimated noise=1055.14 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.333973 Jy ! Component: 100 - total flux cleaned = 0.418352 Jy ! Component: 150 - total flux cleaned = 0.458693 Jy ! Component: 200 - total flux cleaned = 0.483586 Jy ! Total flux subtracted in 200 components = 0.483586 Jy ! Clean residual min=-0.006064 max=0.013399 Jy/beam ! Clean residual mean=0.000302 rms=0.002121 Jy/beam ! Combined flux in latest and established models = 0.483586 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.483586 Jy ! Inverting map and beam ! Estimated beam: bmin=2.845 mas, bmaj=6.44 mas, bpa=-0.4399 degrees ! Estimated noise=784.724 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 = 0.0256875 Jy ! Component: 100 - total flux cleaned = 0.0414141 Jy ! Component: 150 - total flux cleaned = 0.0517726 Jy ! Component: 200 - total flux cleaned = 0.0588495 Jy ! Total flux subtracted in 200 components = 0.0588495 Jy ! Clean residual min=-0.003654 max=0.003892 Jy/beam ! Clean residual mean=0.000361 rms=0.001167 Jy/beam ! Combined flux in latest and established models = 0.542435 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 73 components and 0.542435 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.276 mas, bmaj=10.63 mas, bpa=10.94 degrees ! Estimated noise=1020.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00846752 Jy ! Component: 100 - total flux cleaned = 0.0125312 Jy ! Component: 150 - total flux cleaned = 0.0147762 Jy ! Component: 200 - total flux cleaned = 0.0160501 Jy ! Total flux subtracted in 200 components = 0.0160501 Jy ! Clean residual min=-0.003142 max=0.004281 Jy/beam ! Clean residual mean=0.000641 rms=0.001212 Jy/beam ! Combined flux in latest and established models = 0.558485 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 = 0.000727118 Jy ! Component: 100 - total flux cleaned = 0.000972114 Jy ! Component: 150 - total flux cleaned = 0.00105093 Jy ! Component: 200 - total flux cleaned = 0.00112426 Jy ! Total flux subtracted in 200 components = 0.00112426 Jy ! Clean residual min=-0.003146 max=0.004352 Jy/beam ! Clean residual mean=0.000622 rms=0.001199 Jy/beam ! Combined flux in latest and established models = 0.55961 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 114 components and 0.55961 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.845 mas, bmaj=6.44 mas, bpa=-0.4399 degrees ! Estimated noise=784.724 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000538667 Jy ! Component: 100 - total flux cleaned = -0.000719068 Jy ! Component: 150 - total flux cleaned = -0.000769385 Jy ! Component: 200 - total flux cleaned = -0.000813633 Jy ! Total flux subtracted in 200 components = -0.000813633 Jy ! Clean residual min=-0.003504 max=0.003986 Jy/beam ! Clean residual mean=0.000253 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.558796 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 120 components and 0.558796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181974Jy sigma=0.001248 ! Fit after self-cal, rms=0.181969Jy sigma=0.001248 wmodel J1557-0001_S_2000_03_13_pus_map.mod ! Writing 120 model components to file: J1557-0001_S_2000_03_13_pus_map.mod wobs J1557-0001_S_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J1557-0001_S_2000_03_13_pus_uvs.fits wwins J1557-0001_S_2000_03_13_pus_map.win ! wwins: Wrote 2 windows to J1557-0001_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 = 0.00155988 Jy ! Component: 100 - total flux cleaned = 0.00257139 Jy ! Component: 150 - total flux cleaned = 0.00334959 Jy ! Component: 200 - total flux cleaned = 0.00392292 Jy ! Component: 250 - total flux cleaned = 0.00442186 Jy ! Component: 300 - total flux cleaned = 0.00495945 Jy ! Component: 350 - total flux cleaned = 0.0056396 Jy ! Component: 400 - total flux cleaned = 0.00625468 Jy ! Component: 450 - total flux cleaned = 0.00700829 Jy ! Component: 500 - total flux cleaned = 0.00754989 Jy ! Component: 550 - total flux cleaned = 0.00808241 Jy ! Component: 600 - total flux cleaned = 0.00865446 Jy ! Component: 650 - total flux cleaned = 0.00907653 Jy ! Component: 700 - total flux cleaned = 0.00963086 Jy ! Component: 750 - total flux cleaned = 0.0101769 Jy ! Component: 800 - total flux cleaned = 0.0106256 Jy ! Component: 850 - total flux cleaned = 0.0112903 Jy ! Component: 900 - total flux cleaned = 0.0119883 Jy ! Component: 950 - total flux cleaned = 0.0125477 Jy ! Component: 1000 - total flux cleaned = 0.0130576 Jy ! Component: 1050 - total flux cleaned = 0.0135614 Jy ! Component: 1100 - total flux cleaned = 0.0141421 Jy ! Component: 1150 - total flux cleaned = 0.0146328 Jy ! Component: 1200 - total flux cleaned = 0.0150778 Jy ! Component: 1250 - total flux cleaned = 0.015638 Jy ! Component: 1300 - total flux cleaned = 0.0161128 Jy ! Component: 1350 - total flux cleaned = 0.0165827 Jy ! Component: 1400 - total flux cleaned = 0.0170866 Jy ! Component: 1450 - total flux cleaned = 0.0176617 Jy ! Component: 1500 - total flux cleaned = 0.0181169 Jy ! Component: 1550 - total flux cleaned = 0.0185678 Jy ! Component: 1600 - total flux cleaned = 0.0190884 Jy ! Component: 1650 - total flux cleaned = 0.0195669 Jy ! Component: 1700 - total flux cleaned = 0.0200042 Jy ! Component: 1750 - total flux cleaned = 0.0204373 Jy ! Component: 1800 - total flux cleaned = 0.0209375 Jy ! Component: 1850 - total flux cleaned = 0.021256 Jy ! Component: 1900 - total flux cleaned = 0.0217122 Jy ! Component: 1950 - total flux cleaned = 0.0221292 Jy ! Component: 2000 - total flux cleaned = 0.0225079 Jy ! Total flux subtracted in 2048 components = 0.0229519 Jy ! Clean residual min=-0.002710 max=0.002234 Jy/beam ! Clean residual mean=0.000156 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.581748 Jy keep ! Adding 150 model components to the UV plane model. ! The established model now contains 270 components and 0.581748 Jy ![Exited script file: muppet] wmap "J1557-0001_S_2000_03_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.845 x 6.44 at -0.4399 degrees (North through East) ! Clean map min=-0.0026509 max=0.43976 Jy/beam ! Writing clean map to FITS file: J1557-0001_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 0.439762 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000661411 device "J1557-0001_S_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1557-0001_S_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.451206 0.451206 0.902413 1.80483 3.60965 7.2193 14.4386 28.8772 57.7544 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.439 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.845 x 6.44 at -0.4399 degrees (North through East) ! Clean map min=-0.0026509 max=0.43976 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1557-0001_S_2000_03_13_pus_uvs.log closed on Tue Apr 2 14:48:45 2013