! Started logfile: J2139+1423_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:44:52 2010 obs J2139+1423_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2139+1423_S_2008_04_02_pus_uva.fits ! AN table 1: 168 integrations on 120 of 120 possible baselines. ! AN table 2: 123 integrations on 120 of 120 possible baselines. ! AN table 3: 64 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.103779 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2139+1423 ! ! 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 17684 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 1899 telescope corrections were flagged in sub-array 1. ! A total of 1781 telescope corrections were flagged in sub-array 2. ! A total of 714 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1899 telescope corrections were flagged in sub-array 1. ! A total of 1781 telescope corrections were flagged in sub-array 2. ! A total of 714 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1899 telescope corrections were flagged in sub-array 1. ! A total of 1781 telescope corrections were flagged in sub-array 2. ! A total of 714 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1899 telescope corrections were flagged in sub-array 1. ! A total of 1781 telescope corrections were flagged in sub-array 2. ! A total of 714 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.907936Jy sigma=0.007027 ! Fit after self-cal, rms=0.560920Jy sigma=0.004296 ! 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=1.826 mas, bmaj=2.982 mas, bpa=5.856 degrees ! Estimated noise=1192.97 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 = 0.948143 Jy ! Component: 100 - total flux cleaned = 1.2442 Jy ! Total flux subtracted in 100 components = 1.2442 Jy ! Clean residual min=-0.042849 max=0.135956 Jy/beam ! Clean residual mean=0.000534 rms=0.011773 Jy/beam ! Combined flux in latest and established models = 1.2442 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 1.2442 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.444799Jy sigma=0.003128 ! Fit after self-cal, rms=0.444280Jy sigma=0.003128 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.154821 Jy ! Component: 100 - total flux cleaned = 0.243301 Jy ! Total flux subtracted in 100 components = 0.243301 Jy ! Clean residual min=-0.033020 max=0.049359 Jy/beam ! Clean residual mean=0.000245 rms=0.007688 Jy/beam ! Combined flux in latest and established models = 1.4875 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 24 components and 1.4875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380159Jy sigma=0.002465 ! Fit after self-cal, rms=0.379499Jy sigma=0.002463 ! Inverting map ! Added new window around map position (-1, -3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0569956 Jy ! Component: 100 - total flux cleaned = 0.0936373 Jy ! Total flux subtracted in 100 components = 0.0936373 Jy ! Clean residual min=-0.032927 max=0.029369 Jy/beam ! Clean residual mean=0.000136 rms=0.006947 Jy/beam ! Combined flux in latest and established models = 1.58114 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 33 components and 1.58114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.371443Jy sigma=0.002400 ! Fit after self-cal, rms=0.371175Jy sigma=0.002399 ! 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=2.483 mas, bmaj=3.911 mas, bpa=4.745 degrees ! Estimated noise=744.361 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 = 0.00837237 Jy ! Component: 100 - total flux cleaned = 0.00829585 Jy ! Component: 150 - total flux cleaned = 0.00918739 Jy ! Component: 200 - total flux cleaned = 0.00995303 Jy ! Total flux subtracted in 200 components = 0.00995303 Jy ! Clean residual min=-0.033560 max=0.031639 Jy/beam ! Clean residual mean=0.000528 rms=0.009301 Jy/beam ! Combined flux in latest and established models = 1.59109 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 1.59109 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.370027Jy sigma=0.002385 ! Fit after self-cal, rms=0.369846Jy sigma=0.002384 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 126 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.08 HH 1.11 HN 1.07 ! KK 0.77 KP 1.01 LA 1.18 MK 0.81 ! NL 0.91 NY 0.88 ON 1.04 OV 0.99 ! PT 1.00 SC 1.02 WZ 0.92 ZC 1.25 ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.11 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.90 ON 0.97 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.21 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.10 HH 1.01 HN 1.09 ! KK 1.14 KP 1.00 LA 1.22 MK 0.83 ! NL 0.94 NY 0.91 ON 1.02 OV 0.97 ! PT 1.03 SC 1.09 WZ 1.10 ZC 1.21 ! ! ! Correcting IF 2. ! A total of 126 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.15 HH 1.06 HN 1.14 ! KK 1.03 KP 1.03 LA 1.09 MK 0.83 ! NL 0.93 NY 1.05 ON 1.00 OV 1.01 ! PT 1.00 SC 1.05 WZ 0.89 ZC 1.25 ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.13 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 0.95 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.84 ZC 1.15 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.18 HH 1.01 HN 1.15 ! KK 1.06 KP 1.04 LA 1.12 MK 0.85 ! NL 0.97 NY 1.04 ON 0.98 OV 1.01 ! PT 1.03 SC 1.09 WZ 0.86 ZC 1.19 ! ! ! Correcting IF 3. ! A total of 126 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.13 HH 0.97 HN 1.13 ! KK 1.06 KP 1.01 LA 0.86 MK 0.85 ! NL 0.97 NY 0.96 ON 0.96 OV 1.03 ! PT 1.04 SC 0.96 WZ 0.80 ZC 1.16 ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.97 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.92 ON 0.91 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.80 ZC 1.17 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.16 HH 0.90 HN 1.15 ! KK 1.09 KP 1.01 LA 0.88 MK 0.88 ! NL 1.01 NY 0.90 ON 0.95 OV 1.01 ! PT 1.07 SC 1.01 WZ 0.79 ZC 1.15 ! ! ! Correcting IF 4. ! A total of 126 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.16 HH 0.96 HN 1.02 ! KK 1.03 KP 0.93 LA 0.73 MK 0.89 ! NL 0.87 NY 1.08 ON 1.00 OV 0.85 ! PT 0.90 SC 0.97 WZ 0.78 ZC 1.05 ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.96 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 0.90 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.78 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.14 HH 0.93 HN 1.05 ! KK 1.06 KP 0.92 LA 0.74 MK 0.91 ! NL 0.91 NY 1.03 ON 0.95 OV 0.83 ! PT 0.93 SC 1.06 WZ 0.76 ZC 1.01 ! ! ! Fit before self-cal, rms=0.369846Jy sigma=0.002384 ! Fit after self-cal, rms=0.276112Jy sigma=0.001481 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.45 mas, bmaj=3.979 mas, bpa=5.731 degrees ! Estimated noise=760.791 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 = 0.00444944 Jy ! Component: 100 - total flux cleaned = 0.0036624 Jy ! Component: 150 - total flux cleaned = 0.00398882 Jy ! Component: 200 - total flux cleaned = 0.00425277 Jy ! Total flux subtracted in 200 components = 0.00425277 Jy ! Clean residual min=-0.018399 max=0.013024 Jy/beam ! Clean residual mean=-0.000407 rms=0.004513 Jy/beam ! Combined flux in latest and established models = 1.59535 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 1.59535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274841Jy sigma=0.001470 ! Fit after self-cal, rms=0.274390Jy sigma=0.001468 ! 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=0.274390Jy sigma=0.001468 ! Fit after self-cal, rms=0.264547Jy sigma=0.001299 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.452 mas, bmaj=3.977 mas, bpa=5.76 degrees ! Estimated noise=762.034 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00710022 Jy ! Component: 100 - total flux cleaned = 0.00780307 Jy ! Component: 150 - total flux cleaned = 0.00837424 Jy ! Component: 200 - total flux cleaned = 0.00870314 Jy ! Total flux subtracted in 200 components = 0.00870314 Jy ! Clean residual min=-0.005151 max=0.005526 Jy/beam ! Clean residual mean=-0.000061 rms=0.001361 Jy/beam ! Combined flux in latest and established models = 1.60405 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 1.60405 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263886Jy sigma=0.001294 ! Fit after self-cal, rms=0.263779Jy sigma=0.001294 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 (-5, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318013 Jy ! Component: 100 - total flux cleaned = 0.00421365 Jy ! Component: 150 - total flux cleaned = 0.0043499 Jy ! Component: 200 - total flux cleaned = 0.00434571 Jy ! Total flux subtracted in 200 components = 0.00434571 Jy ! Clean residual min=-0.005268 max=0.005668 Jy/beam ! Clean residual mean=-0.000089 rms=0.001316 Jy/beam ! Combined flux in latest and established models = 1.6084 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 63 components and 1.6084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263465Jy sigma=0.001292 ! Fit after self-cal, rms=0.263428Jy sigma=0.001291 ! Inverting map ! Added new window around map position (1, -24.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00347258 Jy ! Component: 100 - total flux cleaned = 0.00464169 Jy ! Component: 150 - total flux cleaned = 0.00501143 Jy ! Component: 200 - total flux cleaned = 0.00501181 Jy ! Total flux subtracted in 200 components = 0.00501181 Jy ! Clean residual min=-0.004973 max=0.004544 Jy/beam ! Clean residual mean=-0.000117 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 1.61341 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 74 components and 1.61341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263207Jy sigma=0.001290 ! Fit after self-cal, rms=0.263192Jy sigma=0.001290 ! 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=0.263192Jy sigma=0.001290 ! Fit after self-cal, rms=0.260773Jy sigma=0.001287 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.451 mas, bmaj=3.964 mas, bpa=5.655 degrees ! Estimated noise=761.365 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00415343 Jy ! Component: 100 - total flux cleaned = 0.00510594 Jy ! Component: 150 - total flux cleaned = 0.00562338 Jy ! Component: 200 - total flux cleaned = 0.00619353 Jy ! Total flux subtracted in 200 components = 0.00619353 Jy ! Clean residual min=-0.004392 max=0.004567 Jy/beam ! Clean residual mean=-0.000047 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 1.6196 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 76 components and 1.6196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260486Jy sigma=0.001286 ! Fit after self-cal, rms=0.260429Jy sigma=0.001285 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 = 0.000587153 Jy ! Component: 100 - total flux cleaned = 0.00100988 Jy ! Component: 150 - total flux cleaned = 0.00120416 Jy ! Component: 200 - total flux cleaned = 0.00128969 Jy ! Total flux subtracted in 200 components = 0.00128969 Jy ! Clean residual min=-0.004360 max=0.004357 Jy/beam ! Clean residual mean=-0.000055 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 1.62089 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 79 components and 1.62089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260297Jy sigma=0.001285 ! Fit after self-cal, rms=0.260290Jy sigma=0.001285 ! 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=0.260290Jy sigma=0.001285 ! Fit after self-cal, rms=0.259282Jy sigma=0.001284 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.751 mas, bmaj=10.76 mas, bpa=-12.62 degrees ! Estimated noise=924.995 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00360366 Jy ! Component: 100 - total flux cleaned = 0.00415153 Jy ! Component: 150 - total flux cleaned = 0.00436661 Jy ! Component: 200 - total flux cleaned = 0.00436824 Jy ! Total flux subtracted in 200 components = 0.00436824 Jy ! Clean residual min=-0.004406 max=0.004928 Jy/beam ! Clean residual mean=-0.000064 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 1.62526 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 89 components and 1.62526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259253Jy sigma=0.001284 ! Fit after self-cal, rms=0.259236Jy sigma=0.001283 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 = 0.000238929 Jy ! Component: 100 - total flux cleaned = 0.000489094 Jy ! Component: 150 - total flux cleaned = 0.000542769 Jy ! Component: 200 - total flux cleaned = 0.000453585 Jy ! Total flux subtracted in 200 components = 0.000453585 Jy ! Clean residual min=-0.004425 max=0.004898 Jy/beam ! Clean residual mean=-0.000070 rms=0.001388 Jy/beam ! Combined flux in latest and established models = 1.62571 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 91 components and 1.62571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259217Jy sigma=0.001283 ! Fit after self-cal, rms=0.259217Jy sigma=0.001283 ! 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=2.451 mas, bmaj=3.956 mas, bpa=5.608 degrees ! Estimated noise=761.191 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.451 x 3.956 at 5.608 degrees (North through East) ! Clean map min=-0.003687 max=1.2788 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=0.259217Jy sigma=0.001283 ! Fit after self-cal, rms=0.250903Jy sigma=0.001169 ! Inverting map and beam ! Estimated beam: bmin=2.45 mas, bmaj=3.955 mas, bpa=5.655 degrees ! Estimated noise=761.619 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190873 Jy ! Component: 100 - total flux cleaned = 0.00179928 Jy ! Component: 150 - total flux cleaned = 0.00170518 Jy ! Component: 200 - total flux cleaned = 0.00170933 Jy ! Total flux subtracted in 200 components = 0.00170933 Jy ! Clean residual min=-0.003729 max=0.004471 Jy/beam ! Clean residual mean=0.000012 rms=0.001014 Jy/beam ! Combined flux in latest and established models = 1.62742 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 94 components and 1.62742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250755Jy sigma=0.001168 ! Fit after self-cal, rms=0.250748Jy sigma=0.001168 ! Inverting map ! Added new window around map position (6.5, -7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00396724 Jy ! Component: 100 - total flux cleaned = 0.00472537 Jy ! Component: 150 - total flux cleaned = 0.00503114 Jy ! Component: 200 - total flux cleaned = 0.00512481 Jy ! Total flux subtracted in 200 components = 0.00512481 Jy ! Clean residual min=-0.003976 max=0.003851 Jy/beam ! Clean residual mean=-0.000024 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 1.63255 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 108 components and 1.63255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250610Jy sigma=0.001167 ! Fit after self-cal, rms=0.250598Jy sigma=0.001167 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250598Jy sigma=0.001167 ! Fit after self-cal, rms=0.250181Jy sigma=0.001166 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=1.862 mas, bmaj=3.017 mas, bpa=5.996 degrees ! Estimated noise=1203.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.937535 Jy ! Component: 100 - total flux cleaned = 1.22465 Jy ! Component: 150 - total flux cleaned = 1.37337 Jy ! Component: 200 - total flux cleaned = 1.45756 Jy ! Total flux subtracted in 200 components = 1.45756 Jy ! Clean residual min=-0.011203 max=0.043019 Jy/beam ! Clean residual mean=0.000218 rms=0.003909 Jy/beam ! Combined flux in latest and established models = 1.45756 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 26 model components to the UV plane model. ! The established model now contains 26 components and 1.45756 Jy ! Inverting map and beam ! Estimated beam: bmin=2.449 mas, bmaj=3.953 mas, bpa=5.621 degrees ! Estimated noise=761.653 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 = 0.0786652 Jy ! Component: 100 - total flux cleaned = 0.117451 Jy ! Component: 150 - total flux cleaned = 0.138055 Jy ! Component: 200 - total flux cleaned = 0.150232 Jy ! Total flux subtracted in 200 components = 0.150232 Jy ! Clean residual min=-0.004627 max=0.009564 Jy/beam ! Clean residual mean=0.000185 rms=0.001464 Jy/beam ! Combined flux in latest and established models = 1.60779 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 56 components and 1.60779 Jy ! Inverting map ! Added new window around map position (2, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00910389 Jy ! Component: 100 - total flux cleaned = 0.0152427 Jy ! Component: 150 - total flux cleaned = 0.0199635 Jy ! Component: 200 - total flux cleaned = 0.0231087 Jy ! Total flux subtracted in 200 components = 0.0231087 Jy ! Clean residual min=-0.003704 max=0.003786 Jy/beam ! Clean residual mean=0.000026 rms=0.000974 Jy/beam ! Combined flux in latest and established models = 1.6309 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 82 components and 1.6309 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=8.739 mas, bmaj=10.75 mas, bpa=-12.57 degrees ! Estimated noise=927.255 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00308795 Jy ! Component: 100 - total flux cleaned = 0.00416588 Jy ! Component: 150 - total flux cleaned = 0.00473036 Jy ! Component: 200 - total flux cleaned = 0.00505596 Jy ! Total flux subtracted in 200 components = 0.00505596 Jy ! Clean residual min=-0.004121 max=0.003691 Jy/beam ! Clean residual mean=-0.000018 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 1.63595 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 = 0.000159617 Jy ! Component: 100 - total flux cleaned = 0.000304159 Jy ! Component: 150 - total flux cleaned = 0.000371928 Jy ! Component: 200 - total flux cleaned = 0.000435993 Jy ! Total flux subtracted in 200 components = 0.000435993 Jy ! Clean residual min=-0.004044 max=0.003759 Jy/beam ! Clean residual mean=-0.000025 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 1.63639 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 123 components and 1.63639 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.449 mas, bmaj=3.953 mas, bpa=5.621 degrees ! Estimated noise=761.653 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000402045 Jy ! Component: 100 - total flux cleaned = -0.000214459 Jy ! Component: 150 - total flux cleaned = -4.54801e-05 Jy ! Component: 200 - total flux cleaned = 0.000114019 Jy ! Total flux subtracted in 200 components = 0.000114019 Jy ! Clean residual min=-0.003835 max=0.003574 Jy/beam ! Clean residual mean=-0.000011 rms=0.000931 Jy/beam ! Combined flux in latest and established models = 1.6365 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 132 components and 1.6365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249978Jy sigma=0.001166 ! Fit after self-cal, rms=0.249893Jy sigma=0.001165 wmodel J2139+1423_S_2008_04_02_pus_map.mod ! Writing 132 model components to file: J2139+1423_S_2008_04_02_pus_map.mod wobs J2139+1423_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2139+1423_S_2008_04_02_pus_uvs.fits wwins J2139+1423_S_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J2139+1423_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 = -0.000307189 Jy ! Component: 100 - total flux cleaned = -0.000626231 Jy ! Component: 150 - total flux cleaned = -0.00111341 Jy ! Component: 200 - total flux cleaned = -0.00152246 Jy ! Component: 250 - total flux cleaned = -0.00191704 Jy ! Component: 300 - total flux cleaned = -0.00246412 Jy ! Component: 350 - total flux cleaned = -0.00278381 Jy ! Component: 400 - total flux cleaned = -0.00309802 Jy ! Component: 450 - total flux cleaned = -0.00356028 Jy ! Component: 500 - total flux cleaned = -0.00376207 Jy ! Component: 550 - total flux cleaned = -0.0039606 Jy ! Component: 600 - total flux cleaned = -0.00405763 Jy ! Component: 650 - total flux cleaned = -0.00420166 Jy ! Component: 700 - total flux cleaned = -0.00415315 Jy ! Component: 750 - total flux cleaned = -0.00405879 Jy ! Component: 800 - total flux cleaned = -0.00410521 Jy ! Component: 850 - total flux cleaned = -0.00410537 Jy ! Component: 900 - total flux cleaned = -0.00410563 Jy ! Component: 950 - total flux cleaned = -0.00419606 Jy ! Component: 1000 - total flux cleaned = -0.00428531 Jy ! Component: 1050 - total flux cleaned = -0.00437397 Jy ! Component: 1100 - total flux cleaned = -0.00433029 Jy ! Component: 1150 - total flux cleaned = -0.00459258 Jy ! Component: 1200 - total flux cleaned = -0.00459226 Jy ! Component: 1250 - total flux cleaned = -0.0046346 Jy ! Component: 1300 - total flux cleaned = -0.00463494 Jy ! Component: 1350 - total flux cleaned = -0.00484615 Jy ! Component: 1400 - total flux cleaned = -0.00484634 Jy ! Component: 1450 - total flux cleaned = -0.00501301 Jy ! Component: 1500 - total flux cleaned = -0.00505363 Jy ! Component: 1550 - total flux cleaned = -0.00517705 Jy ! Component: 1600 - total flux cleaned = -0.00538102 Jy ! Component: 1650 - total flux cleaned = -0.00550258 Jy ! Component: 1700 - total flux cleaned = -0.00554279 Jy ! Component: 1750 - total flux cleaned = -0.00574316 Jy ! Component: 1800 - total flux cleaned = -0.0059422 Jy ! Component: 1850 - total flux cleaned = -0.00602139 Jy ! Component: 1900 - total flux cleaned = -0.00613965 Jy ! Component: 1950 - total flux cleaned = -0.00625701 Jy ! Component: 2000 - total flux cleaned = -0.00637336 Jy ! Total flux subtracted in 2048 components = -0.00652784 Jy ! Clean residual min=-0.002544 max=0.002033 Jy/beam ! Clean residual mean=0.000004 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 1.62998 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 272 components and 1.62998 Jy wmap "J2139+1423_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.449 x 3.953 at 5.621 degrees (North through East) ! Clean map min=-0.0031849 max=1.2809 Jy/beam ! Writing clean map to FITS file: J2139+1423_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 1.28089 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000718544 device "J2139+1423_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2139+1423_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.168292 0.168292 0.336585 0.673169 1.34634 2.69268 5.38535 10.7707 21.5414 43.0828 86.1657 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.28 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.449 x 3.953 at 5.621 degrees (North through East) ! Clean map min=-0.0031849 max=1.2809 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2139+1423_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2139+1423_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2139+1423_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:44:59 2010