! Started logfile: J0238+1636_S_2003_07_09_pus_uvs.log on Sun Apr 7 18:29:37 2013 obs J0238+1636_S_2003_07_09_pus_uva.fits ! Reading UV FITS file: J0238+1636_S_2003_07_09_pus_uva.fits ! AN table 1: 9 integrations on 171 of 171 possible baselines. ! AN table 2: 402 integrations on 171 of 171 possible baselines. ! AN table 3: 231 integrations on 171 of 171 possible baselines. ! AN table 4: 22 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.168428 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0238+1636 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 1520 lines of history. ! ! Reading 76496 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 J0238+1636_S_2003_07_09_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 153 telescope corrections were flagged in sub-array 1. ! A total of 5193 telescope corrections were flagged in sub-array 2. ! A total of 2709 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 153 telescope corrections were flagged in sub-array 1. ! A total of 5483 telescope corrections were flagged in sub-array 2. ! A total of 2727 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 153 telescope corrections were flagged in sub-array 1. ! A total of 5210 telescope corrections were flagged in sub-array 2. ! A total of 2709 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 153 telescope corrections were flagged in sub-array 1. ! A total of 5210 telescope corrections were flagged in sub-array 2. ! A total of 2710 telescope corrections were flagged in sub-array 3. ! A total of 192 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.424143Jy sigma=0.009971 ! Fit after self-cal, rms=0.792661Jy sigma=0.005463 ! 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=2.234 mas, bmaj=3.627 mas, bpa=-9.486 degrees ! Estimated noise=758.382 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 = 1.17025 Jy ! Component: 100 - total flux cleaned = 1.4277 Jy ! Total flux subtracted in 100 components = 1.4277 Jy ! Clean residual min=-0.029608 max=0.083803 Jy/beam ! Clean residual mean=0.000277 rms=0.008577 Jy/beam ! Combined flux in latest and established models = 1.4277 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.4277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.593338Jy sigma=0.003554 ! Fit after self-cal, rms=0.593338Jy sigma=0.003554 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0864168 Jy ! Component: 100 - total flux cleaned = 0.134679 Jy ! Total flux subtracted in 100 components = 0.134679 Jy ! Clean residual min=-0.028808 max=0.032881 Jy/beam ! Clean residual mean=0.000073 rms=0.007625 Jy/beam ! Combined flux in latest and established models = 1.56237 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 1.56237 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.576773Jy sigma=0.003347 ! Fit after self-cal, rms=0.576853Jy sigma=0.003347 ! 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=2.698 mas, bmaj=4.677 mas, bpa=-7.834 degrees ! Estimated noise=388.17 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 = 0.0530803 Jy ! Component: 100 - total flux cleaned = 0.0785501 Jy ! Component: 150 - total flux cleaned = 0.0928531 Jy ! Component: 200 - total flux cleaned = 0.100953 Jy ! Total flux subtracted in 200 components = 0.100953 Jy ! Clean residual min=-0.029080 max=0.031916 Jy/beam ! Clean residual mean=0.000368 rms=0.007537 Jy/beam ! Combined flux in latest and established models = 1.66333 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 43 components and 1.66333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.573276Jy sigma=0.003303 ! Fit after self-cal, rms=0.573297Jy sigma=0.003303 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 273 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.17 GC 1.06 GG 1.00* ! HN 1.00 KP 0.94 LA 1.19 MA 1.23 ! MK 0.96 NL 1.00 NY 1.19 ON 1.25 ! OV 0.92 PT 1.05 SC 0.87 TC 1.04 ! TS 1.00* WF 0.89 WZ 0.98 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.18 GC 1.05 GG 1.00* ! HN 0.82 KP 0.91 LA 1.21 MA 0.60 ! MK 1.01 NL 0.98 NY 1.22 ON 1.21 ! OV 0.78 PT 1.06 SC 1.00* TC 1.00* ! TS 1.01 WF 0.93 WZ 0.98 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.03 FD 1.18 GC 1.01 GG 1.00* ! HN 0.92 KP 0.93 LA 1.19 MA 1.00* ! MK 0.94 NL 0.99 NY 1.19 ON 1.00* ! OV 1.02 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00* WF 0.97 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 222 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.09 GC 0.95 GG 1.00* ! HN 1.02 KP 1.03 LA 1.13 MA 1.00* ! MK 1.04 NL 1.04 NY 0.91 ON 1.04 ! OV 0.99 PT 1.04 SC 0.89 TC 1.06 ! TS 1.00* WF 0.93 WZ 0.97 ! ! A total of 123 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.11 FD 1.09 GC 0.93 GG 1.00* ! HN 0.89 KP 0.99 LA 1.15 MA 1.00* ! MK 1.07 NL 1.02 NY 0.92 ON 1.01 ! OV 0.96 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00 WF 0.92 WZ 1.03 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.09 FD 1.11 GC 0.89 GG 1.00* ! HN 1.01 KP 1.02 LA 1.15 MA 1.00* ! MK 0.99 NL 1.04 NY 0.90 ON 1.00* ! OV 1.04 PT 1.03 SC 1.00* TC 1.00* ! TS 1.00* WF 0.93 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 252 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.15 FD 1.03 GC 1.17 GG 1.00* ! HN 1.02 KP 1.00 LA 0.93 MA 1.09 ! MK 1.00 NL 1.07 NY 0.89 ON 1.35 ! OV 0.97 PT 1.08 SC 1.02 TC 0.95 ! TS 1.00* WF 0.93 WZ 0.99 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.16 FD 1.04 GC 1.16 GG 1.00* ! HN 0.89 KP 0.97 LA 0.94 MA 1.11 ! MK 1.03 NL 1.05 NY 0.90 ON 1.31 ! OV 0.95 PT 1.09 SC 1.00* TC 1.00* ! TS 1.05 WF 0.92 WZ 1.03 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.11 FD 1.04 GC 1.09 GG 1.00* ! HN 1.02 KP 1.00 LA 0.93 MA 1.00* ! MK 0.95 NL 1.07 NY 0.90 ON 1.00* ! OV 1.05 PT 1.07 SC 1.00* TC 1.00* ! TS 1.00* WF 0.94 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 243 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.93 GC 1.22 GG 1.00* ! HN 1.03 KP 1.02 LA 0.73 MA 1.18 ! MK 0.91 NL 1.00 NY 0.88 ON 1.28 ! OV 0.83 PT 1.02 SC 1.04 TC 0.95 ! TS 1.00* WF 0.92 WZ 1.05 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.63 FD 0.93 GC 1.24 GG 1.00* ! HN 1.10 KP 0.98 LA 0.75 MA 1.10 ! MK 1.04 NL 0.95 NY 0.85 ON 1.14 ! OV 0.77 PT 1.04 SC 1.00* TC 1.00* ! TS 1.24 WF 0.87 WZ 0.97 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.11 FD 0.94 GC 1.14 GG 1.00* ! HN 0.92 KP 1.00 LA 0.75 MA 1.00* ! MK 0.90 NL 1.00 NY 0.86 ON 1.00* ! OV 0.89 PT 1.03 SC 1.00* TC 1.00* ! TS 1.00* WF 0.90 WZ 1.00* ! ! ! Fit before self-cal, rms=0.573297Jy sigma=0.003303 ! Fit after self-cal, rms=0.486869Jy sigma=0.002340 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.72 mas, bmaj=4.74 mas, bpa=-7.733 degrees ! Estimated noise=387.535 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 = -0.0120834 Jy ! Component: 100 - total flux cleaned = -0.015854 Jy ! Component: 150 - total flux cleaned = -0.0173278 Jy ! Component: 200 - total flux cleaned = -0.018486 Jy ! Total flux subtracted in 200 components = -0.018486 Jy ! Clean residual min=-0.020498 max=0.020908 Jy/beam ! Clean residual mean=0.000054 rms=0.005062 Jy/beam ! Combined flux in latest and established models = 1.64484 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 46 components and 1.64484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.486380Jy sigma=0.002338 ! Fit after self-cal, rms=0.486799Jy sigma=0.002337 ! 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=0.486799Jy sigma=0.002337 ! Fit after self-cal, rms=0.462909Jy sigma=0.001666 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.725 mas, bmaj=4.731 mas, bpa=-7.822 degrees ! Estimated noise=388.781 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251682 Jy ! Component: 100 - total flux cleaned = 0.0021242 Jy ! Component: 150 - total flux cleaned = 0.00180942 Jy ! Component: 200 - total flux cleaned = 0.00154056 Jy ! Total flux subtracted in 200 components = 0.00154056 Jy ! Clean residual min=-0.007102 max=0.006735 Jy/beam ! Clean residual mean=0.000235 rms=0.001830 Jy/beam ! Combined flux in latest and established models = 1.64638 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 57 components and 1.64638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.462744Jy sigma=0.001663 ! Fit after self-cal, rms=0.462852Jy sigma=0.001663 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 = -0.000483174 Jy ! Component: 100 - total flux cleaned = -0.000681927 Jy ! Component: 150 - total flux cleaned = -0.000945715 Jy ! Component: 200 - total flux cleaned = -0.00117584 Jy ! Total flux subtracted in 200 components = -0.00117584 Jy ! Clean residual min=-0.006968 max=0.006702 Jy/beam ! Clean residual mean=0.000244 rms=0.001825 Jy/beam ! Combined flux in latest and established models = 1.64521 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 59 components and 1.64521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.462785Jy sigma=0.001663 ! Fit after self-cal, rms=0.462783Jy sigma=0.001663 ! 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=0.462783Jy sigma=0.001663 ! Fit after self-cal, rms=0.460159Jy sigma=0.001577 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.731 mas, bmaj=4.735 mas, bpa=-7.881 degrees ! Estimated noise=389.124 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00201274 Jy ! Component: 100 - total flux cleaned = -0.00250016 Jy ! Component: 150 - total flux cleaned = -0.00290642 Jy ! Component: 200 - total flux cleaned = -0.00326245 Jy ! Total flux subtracted in 200 components = -0.00326245 Jy ! Clean residual min=-0.004130 max=0.004754 Jy/beam ! Clean residual mean=0.000163 rms=0.001091 Jy/beam ! Combined flux in latest and established models = 1.64194 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 59 components and 1.64194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.460066Jy sigma=0.001576 ! Fit after self-cal, rms=0.460069Jy sigma=0.001576 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (3.5, 21). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00480418 Jy ! Component: 100 - total flux cleaned = 0.00773058 Jy ! Component: 150 - total flux cleaned = 0.00886605 Jy ! Component: 200 - total flux cleaned = 0.00924078 Jy ! Total flux subtracted in 200 components = 0.00924078 Jy ! Clean residual min=-0.003934 max=0.004020 Jy/beam ! Clean residual mean=0.000108 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 1.65118 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 78 components and 1.65118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.459975Jy sigma=0.001575 ! Fit after self-cal, rms=0.459966Jy sigma=0.001575 ! 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=0.459966Jy sigma=0.001575 ! Fit after self-cal, rms=0.461268Jy sigma=0.001574 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.225 mas, bmaj=9.628 mas, bpa=-9.655 degrees ! Estimated noise=450.662 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311621 Jy ! Component: 100 - total flux cleaned = 0.00441843 Jy ! Component: 150 - total flux cleaned = 0.00489218 Jy ! Component: 200 - total flux cleaned = 0.00514968 Jy ! Total flux subtracted in 200 components = 0.00514968 Jy ! Clean residual min=-0.004137 max=0.004282 Jy/beam ! Clean residual mean=0.000209 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 1.65633 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 89 components and 1.65633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.461282Jy sigma=0.001574 ! Fit after self-cal, rms=0.461283Jy sigma=0.001574 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 = 0.000420664 Jy ! Component: 100 - total flux cleaned = 0.000684339 Jy ! Component: 150 - total flux cleaned = 0.00086058 Jy ! Component: 200 - total flux cleaned = 0.000991005 Jy ! Total flux subtracted in 200 components = 0.000991005 Jy ! Clean residual min=-0.004055 max=0.004204 Jy/beam ! Clean residual mean=0.000195 rms=0.001248 Jy/beam ! Combined flux in latest and established models = 1.65732 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 93 components and 1.65732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.461295Jy sigma=0.001574 ! Fit after self-cal, rms=0.461294Jy sigma=0.001574 ! 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=2.735 mas, bmaj=4.738 mas, bpa=-7.908 degrees ! Estimated noise=389.386 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.735 x 4.738 at -7.908 degrees (North through East) ! Clean map min=-0.0036111 max=1.5451 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=0.461294Jy sigma=0.001574 ! Fit after self-cal, rms=0.449696Jy sigma=0.001317 ! Inverting map and beam ! Estimated beam: bmin=2.733 mas, bmaj=4.733 mas, bpa=-7.952 degrees ! Estimated noise=388.802 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00288115 Jy ! Component: 100 - total flux cleaned = -0.00348896 Jy ! Component: 150 - total flux cleaned = -0.00406599 Jy ! Component: 200 - total flux cleaned = -0.00444251 Jy ! Total flux subtracted in 200 components = -0.00444251 Jy ! Clean residual min=-0.002553 max=0.003811 Jy/beam ! Clean residual mean=0.000158 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 1.65288 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 95 components and 1.65288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.449634Jy sigma=0.001316 ! Fit after self-cal, rms=0.449636Jy sigma=0.001316 ! Inverting map ! Added new window around map position (4, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343114 Jy ! Component: 100 - total flux cleaned = 0.00402701 Jy ! Component: 150 - total flux cleaned = 0.00444174 Jy ! Component: 200 - total flux cleaned = 0.00451389 Jy ! Total flux subtracted in 200 components = 0.00451389 Jy ! Clean residual min=-0.002611 max=0.002528 Jy/beam ! Clean residual mean=0.000120 rms=0.000657 Jy/beam ! Combined flux in latest and established models = 1.6574 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 112 components and 1.6574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.449582Jy sigma=0.001315 ! Fit after self-cal, rms=0.449580Jy sigma=0.001315 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.449580Jy sigma=0.001315 ! Fit after self-cal, rms=0.450133Jy sigma=0.001315 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=2.264 mas, bmaj=3.644 mas, bpa=-9.434 degrees ! Estimated noise=774.072 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.19398 Jy ! Component: 100 - total flux cleaned = 1.45441 Jy ! Component: 150 - total flux cleaned = 1.52739 Jy ! Component: 200 - total flux cleaned = 1.5628 Jy ! Total flux subtracted in 200 components = 1.5628 Jy ! Clean residual min=-0.005356 max=0.017703 Jy/beam ! Clean residual mean=0.000137 rms=0.001664 Jy/beam ! Combined flux in latest and established models = 1.5628 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 24 model components to the UV plane model. ! The established model now contains 24 components and 1.5628 Jy ! Inverting map and beam ! Estimated beam: bmin=2.737 mas, bmaj=4.735 mas, bpa=-7.963 degrees ! Estimated noise=388.765 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 = 0.034532 Jy ! Component: 100 - total flux cleaned = 0.0519046 Jy ! Component: 150 - total flux cleaned = 0.0619256 Jy ! Component: 200 - total flux cleaned = 0.0684961 Jy ! Total flux subtracted in 200 components = 0.0684961 Jy ! Clean residual min=-0.002811 max=0.004205 Jy/beam ! Clean residual mean=0.000287 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 1.63129 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 65 components and 1.63129 Jy ! Inverting map ! Added new window around map position (1, 9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00515084 Jy ! Component: 100 - total flux cleaned = 0.00919828 Jy ! Component: 150 - total flux cleaned = 0.0124724 Jy ! Component: 200 - total flux cleaned = 0.015172 Jy ! Total flux subtracted in 200 components = 0.015172 Jy ! Clean residual min=-0.002570 max=0.002827 Jy/beam ! Clean residual mean=0.000176 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 1.64646 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 98 components and 1.64646 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=8.221 mas, bmaj=9.628 mas, bpa=-9.679 degrees ! Estimated noise=449.825 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00378618 Jy ! Component: 100 - total flux cleaned = 0.00625411 Jy ! Component: 150 - total flux cleaned = 0.00800785 Jy ! Component: 200 - total flux cleaned = 0.00927008 Jy ! Total flux subtracted in 200 components = 0.00927008 Jy ! Clean residual min=-0.002511 max=0.002301 Jy/beam ! Clean residual mean=0.000263 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 1.65573 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 = 0.00091981 Jy ! Component: 100 - total flux cleaned = 0.00159928 Jy ! Component: 150 - total flux cleaned = 0.00210301 Jy ! Component: 200 - total flux cleaned = 0.00247764 Jy ! Total flux subtracted in 200 components = 0.00247764 Jy ! Clean residual min=-0.002416 max=0.002323 Jy/beam ! Clean residual mean=0.000220 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 1.65821 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 150 components and 1.65821 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.737 mas, bmaj=4.735 mas, bpa=-7.963 degrees ! Estimated noise=388.765 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00116786 Jy ! Component: 100 - total flux cleaned = -0.00111922 Jy ! Component: 150 - total flux cleaned = -0.00103082 Jy ! Component: 200 - total flux cleaned = -0.000989958 Jy ! Total flux subtracted in 200 components = -0.000989958 Jy ! Clean residual min=-0.002460 max=0.002264 Jy/beam ! Clean residual mean=0.000098 rms=0.000613 Jy/beam ! Combined flux in latest and established models = 1.65722 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 161 components and 1.65722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.450056Jy sigma=0.001314 ! Fit after self-cal, rms=0.450017Jy sigma=0.001314 wmodel J0238+1636_S_2003_07_09_pus_map.mod ! Writing 161 model components to file: J0238+1636_S_2003_07_09_pus_map.mod wobs J0238+1636_S_2003_07_09_pus_uvs.fits ! Writing UV FITS file: J0238+1636_S_2003_07_09_pus_uvs.fits wwins J0238+1636_S_2003_07_09_pus_map.win ! wwins: Wrote 4 windows to J0238+1636_S_2003_07_09_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 = 2.77827e-05 Jy ! Component: 100 - total flux cleaned = 0.000394511 Jy ! Component: 150 - total flux cleaned = 0.000511821 Jy ! Component: 200 - total flux cleaned = 0.000436786 Jy ! Component: 250 - total flux cleaned = 0.000217539 Jy ! Component: 300 - total flux cleaned = 3.94684e-05 Jy ! Component: 350 - total flux cleaned = 5.16868e-06 Jy ! Component: 400 - total flux cleaned = 5.16003e-06 Jy ! Component: 450 - total flux cleaned = -2.88381e-05 Jy ! Component: 500 - total flux cleaned = -6.17948e-05 Jy ! Component: 550 - total flux cleaned = -6.19461e-05 Jy ! Component: 600 - total flux cleaned = 2.35907e-06 Jy ! Component: 650 - total flux cleaned = 3.37222e-05 Jy ! Component: 700 - total flux cleaned = 3.30645e-05 Jy ! Component: 750 - total flux cleaned = 3.30568e-05 Jy ! Component: 800 - total flux cleaned = 0.000125254 Jy ! Component: 850 - total flux cleaned = 3.37554e-05 Jy ! Component: 900 - total flux cleaned = 0.000124861 Jy ! Component: 950 - total flux cleaned = 0.000154874 Jy ! Component: 1000 - total flux cleaned = 0.000243953 Jy ! Component: 1050 - total flux cleaned = 0.000361845 Jy ! Component: 1100 - total flux cleaned = 0.000391025 Jy ! Component: 1150 - total flux cleaned = 0.000535247 Jy ! Component: 1200 - total flux cleaned = 0.000535223 Jy ! Component: 1250 - total flux cleaned = 0.000677342 Jy ! Component: 1300 - total flux cleaned = 0.000818064 Jy ! Component: 1350 - total flux cleaned = 0.000846219 Jy ! Component: 1400 - total flux cleaned = 0.00106874 Jy ! Component: 1450 - total flux cleaned = 0.00115155 Jy ! Component: 1500 - total flux cleaned = 0.00126144 Jy ! Component: 1550 - total flux cleaned = 0.00139789 Jy ! Component: 1600 - total flux cleaned = 0.00150643 Jy ! Component: 1650 - total flux cleaned = 0.00164142 Jy ! Component: 1700 - total flux cleaned = 0.00180217 Jy ! Component: 1750 - total flux cleaned = 0.00188203 Jy ! Component: 1800 - total flux cleaned = 0.00204105 Jy ! Component: 1850 - total flux cleaned = 0.00217273 Jy ! Component: 1900 - total flux cleaned = 0.00230354 Jy ! Component: 1950 - total flux cleaned = 0.00235573 Jy ! Component: 2000 - total flux cleaned = 0.00253708 Jy ! Total flux subtracted in 2048 components = 0.00258883 Jy ! Clean residual min=-0.001289 max=0.001312 Jy/beam ! Clean residual mean=0.000079 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 1.65981 Jy keep ! Adding 147 model components to the UV plane model. ! The established model now contains 308 components and 1.65981 Jy ![Exited script file: muppet] wmap "J0238+1636_S_2003_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.737 x 4.735 at -7.963 degrees (North through East) ! Clean map min=-0.0022053 max=1.5447 Jy/beam ! Writing clean map to FITS file: J0238+1636_S_2003_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.54468 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000487565 device "J0238+1636_S_2003_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0238+1636_S_2003_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0946923 0.0946923 0.189385 0.378769 0.757538 1.51508 3.03015 6.06031 12.1206 24.2412 48.4825 96.9649 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.544 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.737 x 4.735 at -7.963 degrees (North through East) ! Clean map min=-0.0022053 max=1.5447 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0238+1636_S_2003_07_09_pus_uvs.log closed on Sun Apr 7 18:29:57 2013