! Started logfile: J2017+7440_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:35:42 2011 obs J2017+7440_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2017+7440_S_2009_04_21_pus_uva.fits ! AN table 1: 402 integrations on 120 of 120 possible baselines. ! AN table 2: 112 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.611479 visibilities/baseline/integration-bin. ! Found source: J2017+7440 ! ! 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 1864 lines of history. ! ! Reading 150864 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 J2017+7440_S_2009_04_21_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 1143 telescope corrections were flagged in sub-array 1. ! A total of 1364 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1143 telescope corrections were flagged in sub-array 1. ! A total of 1364 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1143 telescope corrections were flagged in sub-array 1. ! A total of 1364 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1201 telescope corrections were flagged in sub-array 1. ! A total of 1364 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.917080Jy sigma=0.007668 ! Fit after self-cal, rms=0.876882Jy sigma=0.007329 ! 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=1.705 mas, bmaj=1.936 mas, bpa=3.548 degrees ! Estimated noise=513.829 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 = 0.102156 Jy ! Component: 100 - total flux cleaned = 0.130496 Jy ! Total flux subtracted in 100 components = 0.130496 Jy ! Clean residual min=-0.003742 max=0.013126 Jy/beam ! Clean residual mean=0.000049 rms=0.001047 Jy/beam ! Combined flux in latest and established models = 0.130496 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.130496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186289Jy sigma=0.001353 ! Fit after self-cal, rms=0.186225Jy sigma=0.001353 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0153083 Jy ! Component: 100 - total flux cleaned = 0.0236726 Jy ! Total flux subtracted in 100 components = 0.0236726 Jy ! Clean residual min=-0.003180 max=0.010468 Jy/beam ! Clean residual mean=0.000038 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.154168 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.154168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184345Jy sigma=0.001334 ! Fit after self-cal, rms=0.184288Jy sigma=0.001334 ! Inverting map ! Added new window around map position (4, 0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00925467 Jy ! Component: 100 - total flux cleaned = 0.0143508 Jy ! Total flux subtracted in 100 components = 0.0143508 Jy ! Clean residual min=-0.003342 max=0.006011 Jy/beam ! Clean residual mean=0.000032 rms=0.000848 Jy/beam ! Combined flux in latest and established models = 0.168519 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 0.168519 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183603Jy sigma=0.001327 ! Fit after self-cal, rms=0.183518Jy sigma=0.001327 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00520516 Jy ! Component: 100 - total flux cleaned = 0.00835604 Jy ! Total flux subtracted in 100 components = 0.00835604 Jy ! Clean residual min=-0.003264 max=0.003709 Jy/beam ! Clean residual mean=0.000028 rms=0.000815 Jy/beam ! Combined flux in latest and established models = 0.176875 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.176875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183281Jy sigma=0.001324 ! Fit after self-cal, rms=0.183262Jy sigma=0.001324 ! 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=2.05 mas, bmaj=2.275 mas, bpa=-1.946 degrees ! Estimated noise=224.564 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 = 0.00484656 Jy ! Component: 100 - total flux cleaned = 0.00743064 Jy ! Component: 150 - total flux cleaned = 0.00899849 Jy ! Component: 200 - total flux cleaned = 0.00999679 Jy ! Total flux subtracted in 200 components = 0.00999679 Jy ! Clean residual min=-0.002557 max=0.002488 Jy/beam ! Clean residual mean=0.000316 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.186872 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 28 components and 0.186872 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183130Jy sigma=0.001323 ! Fit after self-cal, rms=0.183110Jy sigma=0.001323 ! Inverting map ! Added new window around map position (7, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00252463 Jy ! Component: 100 - total flux cleaned = 0.00308829 Jy ! Component: 150 - total flux cleaned = 0.00352599 Jy ! Component: 200 - total flux cleaned = 0.00377272 Jy ! Total flux subtracted in 200 components = 0.00377272 Jy ! Clean residual min=-0.002488 max=0.002496 Jy/beam ! Clean residual mean=0.000286 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.190645 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 38 components and 0.190645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183068Jy sigma=0.001322 ! Fit after self-cal, rms=0.183062Jy sigma=0.001322 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 1.06 KB 0.97 ! KK 1.08 KP 0.97 LA 1.07 MK 1.01 ! NL 1.01 NY 0.95 OV 0.96 PT 1.08 ! SC 1.06 TS 1.02 WZ 0.92 ZC 1.23 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.03 HN 1.07 KB 1.00* ! KK 1.00* KP 0.85 LA 1.00 MK 1.00* ! NL 0.98 NY 1.00* OV 0.93 PT 1.03 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.26 ! ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 1.00 KB 1.02 ! KK 1.02 KP 1.02 LA 1.00 MK 1.04 ! NL 0.99 NY 0.92 OV 1.00 PT 1.06 ! SC 1.15 TS 0.99 WZ 0.85 ZC 1.06 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.08 HN 1.01 KB 1.00* ! KK 1.00* KP 1.06 LA 0.94 MK 1.00* ! NL 0.98 NY 1.00* OV 1.03 PT 1.07 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.10 ! ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 1.02 KB 0.99 ! KK 1.05 KP 1.03 LA 1.01 MK 1.05 ! NL 1.01 NY 0.90 OV 1.03 PT 1.07 ! SC 1.04 TS 0.97 WZ 0.80 ZC 0.94 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.04 HN 1.06 KB 1.00* ! KK 1.00* KP 0.99 LA 1.01 MK 1.00* ! NL 1.02 NY 1.00* OV 0.98 PT 1.04 ! SC 1.00* TS 1.00* WZ 1.00* ZC 0.88 ! ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 1.05 KB 0.87 ! KK 1.01 KP 1.04 LA 1.04 MK 1.03 ! NL 1.02 NY 0.81 OV 0.84 PT 0.93 ! SC 1.07 TS 0.99 WZ 0.78 ZC 0.92 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.02 HN 0.99 KB 1.00* ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 0.98 NY 1.00* OV 0.87 PT 0.93 ! SC 1.00* TS 1.00* WZ 1.00* ZC 0.94 ! ! ! Fit before self-cal, rms=0.183062Jy sigma=0.001322 ! Fit after self-cal, rms=0.173483Jy sigma=0.001315 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.033 mas, bmaj=2.26 mas, bpa=-0.8947 degrees ! Estimated noise=224.277 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 = 0.00237951 Jy ! Component: 100 - total flux cleaned = 0.00323322 Jy ! Component: 150 - total flux cleaned = 0.0036453 Jy ! Component: 200 - total flux cleaned = 0.00385056 Jy ! Total flux subtracted in 200 components = 0.00385056 Jy ! Clean residual min=-0.001276 max=0.001711 Jy/beam ! Clean residual mean=0.000199 rms=0.000371 Jy/beam ! Combined flux in latest and established models = 0.194495 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.194495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173444Jy sigma=0.001314 ! Fit after self-cal, rms=0.173447Jy sigma=0.001314 ! 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=0.173447Jy sigma=0.001314 ! Fit after self-cal, rms=0.173111Jy sigma=0.001313 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.036 mas, bmaj=2.244 mas, bpa=-1.129 degrees ! Estimated noise=224.711 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178242 Jy ! Component: 100 - total flux cleaned = 0.00242009 Jy ! Component: 150 - total flux cleaned = 0.00277651 Jy ! Component: 200 - total flux cleaned = 0.00298366 Jy ! Total flux subtracted in 200 components = 0.00298366 Jy ! Clean residual min=-0.001101 max=0.001755 Jy/beam ! Clean residual mean=0.000153 rms=0.000349 Jy/beam ! Combined flux in latest and established models = 0.197479 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 0.197479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173088Jy sigma=0.001313 ! Fit after self-cal, rms=0.173111Jy sigma=0.001313 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 (25, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171623 Jy ! Component: 100 - total flux cleaned = 0.00269851 Jy ! Component: 150 - total flux cleaned = 0.00299751 Jy ! Component: 200 - total flux cleaned = 0.0032085 Jy ! Total flux subtracted in 200 components = 0.0032085 Jy ! Clean residual min=-0.001055 max=0.001565 Jy/beam ! Clean residual mean=0.000130 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.200687 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 77 components and 0.200687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173091Jy sigma=0.001313 ! Fit after self-cal, rms=0.173091Jy sigma=0.001313 ! Inverting map ! Added new window around map position (41, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145365 Jy ! Component: 100 - total flux cleaned = 0.00226465 Jy ! Component: 150 - total flux cleaned = 0.0027406 Jy ! Component: 200 - total flux cleaned = 0.00300263 Jy ! Total flux subtracted in 200 components = 0.00300263 Jy ! Clean residual min=-0.001082 max=0.001356 Jy/beam ! Clean residual mean=0.000108 rms=0.000322 Jy/beam ! Combined flux in latest and established models = 0.20369 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 93 components and 0.20369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173077Jy sigma=0.001313 ! Fit after self-cal, rms=0.173078Jy sigma=0.001313 ! Inverting map ! Added new window around map position (15, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013316 Jy ! Component: 100 - total flux cleaned = 0.00198028 Jy ! Component: 150 - total flux cleaned = 0.00219111 Jy ! Component: 200 - total flux cleaned = 0.00238187 Jy ! Total flux subtracted in 200 components = 0.00238187 Jy ! Clean residual min=-0.001071 max=0.001286 Jy/beam ! Clean residual mean=0.000088 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.206072 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 113 components and 0.206072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173064Jy sigma=0.001312 ! Fit after self-cal, rms=0.173065Jy sigma=0.001312 ! 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=0.173065Jy sigma=0.001312 ! Fit after self-cal, rms=0.172819Jy sigma=0.001312 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.036 mas, bmaj=2.236 mas, bpa=-1.1 degrees ! Estimated noise=225.087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108916 Jy ! Component: 100 - total flux cleaned = 0.00183493 Jy ! Component: 150 - total flux cleaned = 0.00228526 Jy ! Component: 200 - total flux cleaned = 0.00246785 Jy ! Total flux subtracted in 200 components = 0.00246785 Jy ! Clean residual min=-0.001128 max=0.001208 Jy/beam ! Clean residual mean=0.000058 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.20854 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 115 components and 0.20854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172808Jy sigma=0.001312 ! Fit after self-cal, rms=0.172813Jy sigma=0.001312 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 = 0.000325692 Jy ! Component: 100 - total flux cleaned = 0.000473701 Jy ! Component: 150 - total flux cleaned = 0.00061344 Jy ! Component: 200 - total flux cleaned = 0.00074616 Jy ! Total flux subtracted in 200 components = 0.00074616 Jy ! Clean residual min=-0.001122 max=0.001202 Jy/beam ! Clean residual mean=0.000054 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.209286 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 122 components and 0.209286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172808Jy sigma=0.001312 ! Fit after self-cal, rms=0.172809Jy sigma=0.001312 ! 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=0.172809Jy sigma=0.001312 ! Fit after self-cal, rms=0.172876Jy sigma=0.001312 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.487 mas, bmaj=9.664 mas, bpa=-82.48 degrees ! Estimated noise=397.759 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123613 Jy ! Component: 100 - total flux cleaned = 0.0020224 Jy ! Component: 150 - total flux cleaned = 0.00244098 Jy ! Component: 200 - total flux cleaned = 0.00253096 Jy ! Total flux subtracted in 200 components = 0.00253096 Jy ! Clean residual min=-0.001413 max=0.001679 Jy/beam ! Clean residual mean=0.000123 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.211817 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 134 components and 0.211817 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172875Jy sigma=0.001312 ! Fit after self-cal, rms=0.172877Jy sigma=0.001312 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 = 0.000395062 Jy ! Component: 100 - total flux cleaned = 0.000443233 Jy ! Component: 150 - total flux cleaned = 0.000517041 Jy ! Component: 200 - total flux cleaned = 0.000570353 Jy ! Total flux subtracted in 200 components = 0.000570353 Jy ! Clean residual min=-0.001449 max=0.001668 Jy/beam ! Clean residual mean=0.000110 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.212387 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 137 components and 0.212387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172877Jy sigma=0.001312 ! Fit after self-cal, rms=0.172878Jy sigma=0.001312 ! 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=2.036 mas, bmaj=2.232 mas, bpa=-1.115 degrees ! Estimated noise=225.515 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.036 x 2.232 at -1.115 degrees (North through East) ! Clean map min=-0.0010222 max=0.13308 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=1.703 mas, bmaj=1.917 mas, bpa=4.999 degrees ! Estimated noise=503.112 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0994114 Jy ! Component: 100 - total flux cleaned = 0.129468 Jy ! Component: 150 - total flux cleaned = 0.147837 Jy ! Component: 200 - total flux cleaned = 0.159955 Jy ! Total flux subtracted in 200 components = 0.159955 Jy ! Clean residual min=-0.002974 max=0.006706 Jy/beam ! Clean residual mean=0.000033 rms=0.000790 Jy/beam ! Combined flux in latest and established models = 0.159955 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.159955 Jy ! Inverting map and beam ! Estimated beam: bmin=2.036 mas, bmaj=2.232 mas, bpa=-1.115 degrees ! Estimated noise=225.515 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 = 0.0142615 Jy ! Component: 100 - total flux cleaned = 0.0226907 Jy ! Component: 150 - total flux cleaned = 0.0282115 Jy ! Component: 200 - total flux cleaned = 0.0320186 Jy ! Total flux subtracted in 200 components = 0.0320186 Jy ! Clean residual min=-0.001337 max=0.002176 Jy/beam ! Clean residual mean=0.000218 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.191974 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 49 components and 0.191974 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00290839 Jy ! Component: 100 - total flux cleaned = 0.00532943 Jy ! Component: 150 - total flux cleaned = 0.00737794 Jy ! Component: 200 - total flux cleaned = 0.00913856 Jy ! Total flux subtracted in 200 components = 0.00913856 Jy ! Clean residual min=-0.001264 max=0.001549 Jy/beam ! Clean residual mean=0.000130 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.201112 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 79 components and 0.201112 Jy ! Inverting map ! Added new window around map position (19.5, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00167022 Jy ! Component: 100 - total flux cleaned = 0.00303178 Jy ! Component: 150 - total flux cleaned = 0.00422177 Jy ! Component: 200 - total flux cleaned = 0.00527122 Jy ! Total flux subtracted in 200 components = 0.00527122 Jy ! Clean residual min=-0.001223 max=0.001263 Jy/beam ! Clean residual mean=0.000081 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.206383 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 99 components and 0.206383 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=8.487 mas, bmaj=9.664 mas, bpa=-82.48 degrees ! Estimated noise=397.759 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00229121 Jy ! Component: 100 - total flux cleaned = 0.00379068 Jy ! Component: 150 - total flux cleaned = 0.00480005 Jy ! Component: 200 - total flux cleaned = 0.00541558 Jy ! Total flux subtracted in 200 components = 0.00541558 Jy ! Clean residual min=-0.001475 max=0.001781 Jy/beam ! Clean residual mean=0.000135 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.211799 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 = 0.000196514 Jy ! Component: 100 - total flux cleaned = 0.000329616 Jy ! Component: 150 - total flux cleaned = 0.000398445 Jy ! Component: 200 - total flux cleaned = 0.000478286 Jy ! Total flux subtracted in 200 components = 0.000478286 Jy ! Clean residual min=-0.001467 max=0.001723 Jy/beam ! Clean residual mean=0.000116 rms=0.000467 Jy/beam ! Combined flux in latest and established models = 0.212277 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 132 components and 0.212277 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.036 mas, bmaj=2.232 mas, bpa=-1.115 degrees ! Estimated noise=225.515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000418532 Jy ! Component: 100 - total flux cleaned = -0.000393962 Jy ! Component: 150 - total flux cleaned = -0.00030524 Jy ! Component: 200 - total flux cleaned = -0.000222913 Jy ! Total flux subtracted in 200 components = -0.000222913 Jy ! Clean residual min=-0.001140 max=0.001205 Jy/beam ! Clean residual mean=0.000029 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.212054 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 146 components and 0.212054 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172874Jy sigma=0.001312 ! Fit after self-cal, rms=0.172871Jy sigma=0.001312 wmodel J2017+7440_S_2009_04_21_pus_map.mod ! Writing 146 model components to file: J2017+7440_S_2009_04_21_pus_map.mod wobs J2017+7440_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2017+7440_S_2009_04_21_pus_uvs.fits wwins J2017+7440_S_2009_04_21_pus_map.win ! wwins: Wrote 7 windows to J2017+7440_S_2009_04_21_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 = 0.000337965 Jy ! Component: 100 - total flux cleaned = 0.000551277 Jy ! Component: 150 - total flux cleaned = 0.000820648 Jy ! Component: 200 - total flux cleaned = 0.00104239 Jy ! Component: 250 - total flux cleaned = 0.00121995 Jy ! Component: 300 - total flux cleaned = 0.00137519 Jy ! Component: 350 - total flux cleaned = 0.00148978 Jy ! Component: 400 - total flux cleaned = 0.00158402 Jy ! Component: 450 - total flux cleaned = 0.00165825 Jy ! Component: 500 - total flux cleaned = 0.00173124 Jy ! Component: 550 - total flux cleaned = 0.00176718 Jy ! Component: 600 - total flux cleaned = 0.00182065 Jy ! Component: 650 - total flux cleaned = 0.00187365 Jy ! Component: 700 - total flux cleaned = 0.00194342 Jy ! Component: 750 - total flux cleaned = 0.00201242 Jy ! Component: 800 - total flux cleaned = 0.00204648 Jy ! Component: 850 - total flux cleaned = 0.00209736 Jy ! Component: 900 - total flux cleaned = 0.00218126 Jy ! Component: 950 - total flux cleaned = 0.0022476 Jy ! Component: 1000 - total flux cleaned = 0.00226398 Jy ! Component: 1050 - total flux cleaned = 0.00229695 Jy ! Component: 1100 - total flux cleaned = 0.00236205 Jy ! Component: 1150 - total flux cleaned = 0.0023942 Jy ! Component: 1200 - total flux cleaned = 0.00239422 Jy ! Component: 1250 - total flux cleaned = 0.00244202 Jy ! Component: 1300 - total flux cleaned = 0.00245772 Jy ! Component: 1350 - total flux cleaned = 0.00247341 Jy ! Component: 1400 - total flux cleaned = 0.00250474 Jy ! Component: 1450 - total flux cleaned = 0.00253581 Jy ! Component: 1500 - total flux cleaned = 0.00253579 Jy ! Component: 1550 - total flux cleaned = 0.00256659 Jy ! Component: 1600 - total flux cleaned = 0.00258198 Jy ! Component: 1650 - total flux cleaned = 0.00261245 Jy ! Component: 1700 - total flux cleaned = 0.00267311 Jy ! Component: 1750 - total flux cleaned = 0.00267311 Jy ! Component: 1800 - total flux cleaned = 0.00267315 Jy ! Component: 1850 - total flux cleaned = 0.00270298 Jy ! Component: 1900 - total flux cleaned = 0.00273281 Jy ! Component: 1950 - total flux cleaned = 0.00274754 Jy ! Component: 2000 - total flux cleaned = 0.00276233 Jy ! Total flux subtracted in 2048 components = 0.00276232 Jy ! Clean residual min=-0.000848 max=0.000767 Jy/beam ! Clean residual mean=0.000007 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.214817 Jy keep ! Adding 185 model components to the UV plane model. ! The established model now contains 331 components and 0.214817 Jy ![Exited script file: muppet] wmap "J2017+7440_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.036 x 2.232 at -1.115 degrees (North through East) ! Clean map min=-0.0010314 max=0.1327 Jy/beam ! Writing clean map to FITS file: J2017+7440_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.132703 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000271962 device "J2017+7440_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2017+7440_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.614822 0.614822 1.22964 2.45929 4.91857 9.83715 19.6743 39.3486 78.6972 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.132 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.036 x 2.232 at -1.115 degrees (North through East) ! Clean map min=-0.0010314 max=0.1327 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2017+7440_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2017+7440_S_2009_04_21_pus_map.gif/vgif' mapplot cln