! Started logfile: J0457-2324_S_1998_10_01_pus_uvs.log on Thu Feb 7 17:04:47 2008 obs J0457-2324_S_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0457-2324_S_1998_10_01_pus_uva.fits ! AN table 1: 19 integrations on 136 of 136 possible baselines. ! AN table 2: 220 integrations on 136 of 136 possible baselines. ! AN table 3: 33 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.122162 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 2.22298e+09 4e+06 1 4e+06 ! 02 2 2.24298e+09 4e+06 1 4e+06 ! 03 3 2.33298e+09 4e+06 1 4e+06 ! 04 4 2.36298e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 1537 lines of history. ! ! Reading 18076 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 J0457-2324_S_1998_10_01_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 323 telescope corrections were flagged in sub-array 1. ! A total of 2583 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 2583 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 2583 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 2583 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.775182Jy sigma=0.005153 ! Fit after self-cal, rms=0.703047Jy sigma=0.004743 ! 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=2.356 mas, bmaj=6.722 mas, bpa=-6.04 degrees ! Estimated noise=1160.5 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 = 1.1439 Jy ! Component: 100 - total flux cleaned = 1.39668 Jy ! Total flux subtracted in 100 components = 1.39668 Jy ! Clean residual min=-0.021487 max=0.083002 Jy/beam ! Clean residual mean=0.000240 rms=0.008523 Jy/beam ! Combined flux in latest and established models = 1.39668 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 1.39668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.489670Jy sigma=0.002766 ! Fit after self-cal, rms=0.489652Jy sigma=0.002765 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.093926 Jy ! Component: 100 - total flux cleaned = 0.14859 Jy ! Total flux subtracted in 100 components = 0.14859 Jy ! Clean residual min=-0.016341 max=0.028170 Jy/beam ! Clean residual mean=-0.000116 rms=0.005160 Jy/beam ! Combined flux in latest and established models = 1.54527 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 22 components and 1.54527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.463483Jy sigma=0.002471 ! Fit after self-cal, rms=0.463412Jy sigma=0.002470 ! 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=2.983 mas, bmaj=8.229 mas, bpa=-8.441 degrees ! Estimated noise=724.762 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 = 0.0520312 Jy ! Component: 100 - total flux cleaned = 0.0774103 Jy ! Component: 150 - total flux cleaned = 0.0916471 Jy ! Component: 200 - total flux cleaned = 0.100162 Jy ! Total flux subtracted in 200 components = 0.100162 Jy ! Clean residual min=-0.012211 max=0.021836 Jy/beam ! Clean residual mean=-0.000968 rms=0.003802 Jy/beam ! Combined flux in latest and established models = 1.64543 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 63 components and 1.64543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.458628Jy sigma=0.002406 ! Fit after self-cal, rms=0.458541Jy sigma=0.002406 ! Inverting map ! Added new window around map position (-5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0203117 Jy ! Component: 100 - total flux cleaned = 0.026724 Jy ! Component: 150 - total flux cleaned = 0.0272881 Jy ! Component: 200 - total flux cleaned = 0.027528 Jy ! Total flux subtracted in 200 components = 0.027528 Jy ! Clean residual min=-0.011290 max=0.012426 Jy/beam ! Clean residual mean=-0.001332 rms=0.003104 Jy/beam ! Combined flux in latest and established models = 1.67296 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 86 components and 1.67296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.457778Jy sigma=0.002396 ! Fit after self-cal, rms=0.457671Jy sigma=0.002395 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.00 GC 1.00* HN 0.99 ! KK 1.05 KP 0.99 LA 0.95 MK 0.97 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 1.05 SC 1.01 WF 1.00 MC 1.00* ! GN 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 GC 1.00* HN 1.05 ! KK 1.05 KP 0.98 LA 1.02 MK 1.04 ! NL 1.02 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.02 WF 1.03 MC 1.00* ! GN 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.05 GC 1.00* HN 1.00 ! KK 1.03 KP 1.00 LA 0.98 MK 0.96 ! NL 1.00 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.01 WF 1.02 MC 1.00* ! GN 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 GC 1.00* HN 1.01 ! KK 1.03 KP 1.01 LA 1.00 MK 0.97 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 0.99 SC 0.99 WF 1.01 MC 1.00* ! GN 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Fit before self-cal, rms=0.457671Jy sigma=0.002395 ! Fit after self-cal, rms=0.458735Jy sigma=0.002372 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.972 mas, bmaj=8.228 mas, bpa=-8.541 degrees ! Estimated noise=731.193 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 = 0.00277879 Jy ! Component: 100 - total flux cleaned = 0.00299907 Jy ! Component: 150 - total flux cleaned = 0.00317852 Jy ! Component: 200 - total flux cleaned = 0.00301 Jy ! Total flux subtracted in 200 components = 0.00301 Jy ! Clean residual min=-0.009987 max=0.013272 Jy/beam ! Clean residual mean=-0.000969 rms=0.002788 Jy/beam ! Combined flux in latest and established models = 1.67597 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 101 components and 1.67597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.458572Jy sigma=0.002370 ! Fit after self-cal, rms=0.458651Jy sigma=0.002370 ! 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=0.458651Jy sigma=0.002370 ! Fit after self-cal, rms=0.456703Jy sigma=0.002338 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.97 mas, bmaj=8.236 mas, bpa=-8.518 degrees ! Estimated noise=732.146 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276983 Jy ! Component: 100 - total flux cleaned = 0.00277942 Jy ! Component: 150 - total flux cleaned = 0.00311205 Jy ! Component: 200 - total flux cleaned = 0.00320102 Jy ! Total flux subtracted in 200 components = 0.00320102 Jy ! Clean residual min=-0.006693 max=0.005204 Jy/beam ! Clean residual mean=-0.000422 rms=0.001632 Jy/beam ! Combined flux in latest and established models = 1.67917 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 114 components and 1.67917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456623Jy sigma=0.002337 ! Fit after self-cal, rms=0.456714Jy sigma=0.002337 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 = 0.000301638 Jy ! Component: 100 - total flux cleaned = 0.000474291 Jy ! Component: 150 - total flux cleaned = 0.000552153 Jy ! Component: 200 - total flux cleaned = 0.000551861 Jy ! Total flux subtracted in 200 components = 0.000551861 Jy ! Clean residual min=-0.006663 max=0.005087 Jy/beam ! Clean residual mean=-0.000429 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 1.67972 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 124 components and 1.67972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456684Jy sigma=0.002337 ! Fit after self-cal, rms=0.456679Jy sigma=0.002337 ! 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=0.456679Jy sigma=0.002337 ! Fit after self-cal, rms=0.376037Jy sigma=0.002334 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.971 mas, bmaj=8.248 mas, bpa=-8.491 degrees ! Estimated noise=732.399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0020081 Jy ! Component: 100 - total flux cleaned = -0.00218875 Jy ! Component: 150 - total flux cleaned = -0.00235415 Jy ! Component: 200 - total flux cleaned = -0.002505 Jy ! Total flux subtracted in 200 components = -0.002505 Jy ! Clean residual min=-0.006506 max=0.004840 Jy/beam ! Clean residual mean=-0.000339 rms=0.001552 Jy/beam ! Combined flux in latest and established models = 1.67722 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 134 components and 1.67722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375989Jy sigma=0.002334 ! Fit after self-cal, rms=0.375944Jy sigma=0.002334 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 = -7.1567e-05 Jy ! Component: 100 - total flux cleaned = -0.000144389 Jy ! Component: 150 - total flux cleaned = -0.000145977 Jy ! Component: 200 - total flux cleaned = -0.000146146 Jy ! Total flux subtracted in 200 components = -0.000146146 Jy ! Clean residual min=-0.006516 max=0.004752 Jy/beam ! Clean residual mean=-0.000336 rms=0.001542 Jy/beam ! Combined flux in latest and established models = 1.67707 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 137 components and 1.67707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375919Jy sigma=0.002334 ! Fit after self-cal, rms=0.375918Jy sigma=0.002334 ! 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=0.375918Jy sigma=0.002334 ! Fit after self-cal, rms=0.376084Jy sigma=0.002334 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.338 mas, bmaj=15.55 mas, bpa=-1.985 degrees ! Estimated noise=945.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00248427 Jy ! Component: 100 - total flux cleaned = -0.00276834 Jy ! Component: 150 - total flux cleaned = -0.00289143 Jy ! Component: 200 - total flux cleaned = -0.00300424 Jy ! Total flux subtracted in 200 components = -0.00300424 Jy ! Clean residual min=-0.007731 max=0.005249 Jy/beam ! Clean residual mean=-0.000610 rms=0.002029 Jy/beam ! Combined flux in latest and established models = 1.67407 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 148 components and 1.67407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.376075Jy sigma=0.002334 ! Fit after self-cal, rms=0.376071Jy sigma=0.002334 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.85705e-05 Jy ! Component: 100 - total flux cleaned = -9.83363e-05 Jy ! Component: 150 - total flux cleaned = -9.91872e-05 Jy ! Component: 200 - total flux cleaned = -5.48934e-05 Jy ! Total flux subtracted in 200 components = -5.48934e-05 Jy ! Clean residual min=-0.007708 max=0.005170 Jy/beam ! Clean residual mean=-0.000609 rms=0.002013 Jy/beam ! Combined flux in latest and established models = 1.67401 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 151 components and 1.67401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.376069Jy sigma=0.002334 ! Fit after self-cal, rms=0.376066Jy sigma=0.002334 ! 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=2.972 mas, bmaj=8.255 mas, bpa=-8.488 degrees ! Estimated noise=732.328 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.972 x 8.255 at -8.488 degrees (North through East) ! Clean map min=-0.0058597 max=1.5046 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=0.376066Jy sigma=0.002334 ! Fit after self-cal, rms=0.351970Jy sigma=0.002159 ! Inverting map and beam ! Estimated beam: bmin=2.972 mas, bmaj=8.261 mas, bpa=-8.526 degrees ! Estimated noise=731.644 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0011519 Jy ! Component: 100 - total flux cleaned = -0.00129901 Jy ! Component: 150 - total flux cleaned = -0.00148893 Jy ! Component: 200 - total flux cleaned = -0.00165694 Jy ! Total flux subtracted in 200 components = -0.00165694 Jy ! Clean residual min=-0.005487 max=0.004725 Jy/beam ! Clean residual mean=-0.000249 rms=0.001476 Jy/beam ! Combined flux in latest and established models = 1.67235 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 161 components and 1.67235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.351938Jy sigma=0.002159 ! Fit after self-cal, rms=0.351938Jy sigma=0.002159 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000221825 Jy ! Component: 100 - total flux cleaned = -0.000222278 Jy ! Component: 150 - total flux cleaned = -0.000268608 Jy ! Component: 200 - total flux cleaned = -0.000222731 Jy ! Total flux subtracted in 200 components = -0.000222731 Jy ! Clean residual min=-0.005464 max=0.004674 Jy/beam ! Clean residual mean=-0.000246 rms=0.001471 Jy/beam ! Combined flux in latest and established models = 1.67213 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 165 components and 1.67213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.351925Jy sigma=0.002159 ! Fit after self-cal, rms=0.351926Jy sigma=0.002159 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.351926Jy sigma=0.002159 ! Fit after self-cal, rms=0.352096Jy sigma=0.002159 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=2.359 mas, bmaj=6.75 mas, bpa=-6.059 degrees ! Estimated noise=1177.62 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.14962 Jy ! Component: 100 - total flux cleaned = 1.40311 Jy ! Component: 150 - total flux cleaned = 1.49459 Jy ! Component: 200 - total flux cleaned = 1.54763 Jy ! Total flux subtracted in 200 components = 1.54763 Jy ! Clean residual min=-0.012867 max=0.027051 Jy/beam ! Clean residual mean=0.000219 rms=0.003955 Jy/beam ! Combined flux in latest and established models = 1.54763 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 25 model components to the UV plane model. ! The established model now contains 25 components and 1.54763 Jy ! Inverting map and beam ! Estimated beam: bmin=2.973 mas, bmaj=8.267 mas, bpa=-8.527 degrees ! Estimated noise=731.455 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 = 0.0499293 Jy ! Component: 100 - total flux cleaned = 0.0773275 Jy ! Component: 150 - total flux cleaned = 0.0934454 Jy ! Component: 200 - total flux cleaned = 0.103707 Jy ! Total flux subtracted in 200 components = 0.103707 Jy ! Clean residual min=-0.006294 max=0.006809 Jy/beam ! Clean residual mean=0.000030 rms=0.001790 Jy/beam ! Combined flux in latest and established models = 1.65134 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 65 components and 1.65134 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=7.34 mas, bmaj=15.56 mas, bpa=-2.045 degrees ! Estimated noise=944.125 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100619 Jy ! Component: 100 - total flux cleaned = 0.0146133 Jy ! Component: 150 - total flux cleaned = 0.0170374 Jy ! Component: 200 - total flux cleaned = 0.0178135 Jy ! Total flux subtracted in 200 components = 0.0178135 Jy ! Clean residual min=-0.006932 max=0.005140 Jy/beam ! Clean residual mean=-0.000446 rms=0.001943 Jy/beam ! Combined flux in latest and established models = 1.66915 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 = 0.000316274 Jy ! Component: 100 - total flux cleaned = 0.000456064 Jy ! Component: 150 - total flux cleaned = 0.000586976 Jy ! Component: 200 - total flux cleaned = 0.000665253 Jy ! Total flux subtracted in 200 components = 0.000665253 Jy ! Clean residual min=-0.006983 max=0.005045 Jy/beam ! Clean residual mean=-0.000467 rms=0.001925 Jy/beam ! Combined flux in latest and established models = 1.66982 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 117 components and 1.66982 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.973 mas, bmaj=8.267 mas, bpa=-8.527 degrees ! Estimated noise=731.455 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000390854 Jy ! Component: 100 - total flux cleaned = 0.000154626 Jy ! Component: 150 - total flux cleaned = 0.000156777 Jy ! Component: 200 - total flux cleaned = 0.000152361 Jy ! Total flux subtracted in 200 components = 0.000152361 Jy ! Clean residual min=-0.005526 max=0.005059 Jy/beam ! Clean residual mean=-0.000210 rms=0.001494 Jy/beam ! Combined flux in latest and established models = 1.66997 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 128 components and 1.66997 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.352139Jy sigma=0.002160 ! Fit after self-cal, rms=0.352139Jy sigma=0.002160 wmodel J0457-2324_S_1998_10_01_pus_map.mod ! Writing 128 model components to file: J0457-2324_S_1998_10_01_pus_map.mod wobs J0457-2324_S_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0457-2324_S_1998_10_01_pus_uvs.fits wwins J0457-2324_S_1998_10_01_pus_map.win ! wwins: Wrote 2 windows to J0457-2324_S_1998_10_01_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 = -0.00178366 Jy ! Component: 100 - total flux cleaned = -0.00287221 Jy ! Component: 150 - total flux cleaned = -0.00356122 Jy ! Component: 200 - total flux cleaned = -0.00414091 Jy ! Component: 250 - total flux cleaned = -0.00485862 Jy ! Component: 300 - total flux cleaned = -0.00524335 Jy ! Component: 350 - total flux cleaned = -0.0053922 Jy ! Component: 400 - total flux cleaned = -0.00568467 Jy ! Component: 450 - total flux cleaned = -0.00597144 Jy ! Component: 500 - total flux cleaned = -0.00625239 Jy ! Component: 550 - total flux cleaned = -0.00639009 Jy ! Component: 600 - total flux cleaned = -0.00666182 Jy ! Component: 650 - total flux cleaned = -0.00692821 Jy ! Component: 700 - total flux cleaned = -0.00712446 Jy ! Component: 750 - total flux cleaned = -0.00725422 Jy ! Component: 800 - total flux cleaned = -0.00744543 Jy ! Component: 850 - total flux cleaned = -0.00757196 Jy ! Component: 900 - total flux cleaned = -0.00788323 Jy ! Component: 950 - total flux cleaned = -0.00806722 Jy ! Component: 1000 - total flux cleaned = -0.00818801 Jy ! Component: 1050 - total flux cleaned = -0.00824812 Jy ! Component: 1100 - total flux cleaned = -0.00842631 Jy ! Component: 1150 - total flux cleaned = -0.00860235 Jy ! Component: 1200 - total flux cleaned = -0.00871748 Jy ! Component: 1250 - total flux cleaned = -0.00888865 Jy ! Component: 1300 - total flux cleaned = -0.0088885 Jy ! Component: 1350 - total flux cleaned = -0.00911231 Jy ! Component: 1400 - total flux cleaned = -0.0091119 Jy ! Component: 1450 - total flux cleaned = -0.00922211 Jy ! Component: 1500 - total flux cleaned = -0.00944028 Jy ! Component: 1550 - total flux cleaned = -0.00954822 Jy ! Component: 1600 - total flux cleaned = -0.00965506 Jy ! Component: 1650 - total flux cleaned = -0.00981448 Jy ! Component: 1700 - total flux cleaned = -0.00997228 Jy ! Component: 1750 - total flux cleaned = -0.0101284 Jy ! Component: 1800 - total flux cleaned = -0.01018 Jy ! Component: 1850 - total flux cleaned = -0.0103337 Jy ! Component: 1900 - total flux cleaned = -0.0104352 Jy ! Component: 1950 - total flux cleaned = -0.0105362 Jy ! Component: 2000 - total flux cleaned = -0.0106362 Jy ! Total flux subtracted in 2048 components = -0.0108347 Jy ! Clean residual min=-0.002733 max=0.002830 Jy/beam ! Clean residual mean=-0.000082 rms=0.001037 Jy/beam ! Combined flux in latest and established models = 1.65913 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 273 components and 1.65913 Jy ![Exited script file: muppet] wmap "J0457-2324_S_1998_10_01_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.973 x 8.267 at -8.527 degrees (North through East) ! Clean map min=-0.0046155 max=1.5057 Jy/beam ! Writing clean map to FITS file: J0457-2324_S_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.50574 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00103695 device "J0457-2324_S_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_S_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.206599 0.206599 0.413198 0.826396 1.65279 3.30558 6.61117 13.2223 26.4447 52.8894 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.505 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.973 x 8.267 at -8.527 degrees (North through East) ! Clean map min=-0.0046155 max=1.5057 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_S_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_S_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_S_1998_10_01_pus_uvs.log closed on Thu Feb 7 17:04:58 2008