! Started logfile: J2158-1501_X_2001_04_09_pus_uvs.log on Mon Oct 1 14:53:08 2007 obs J2158-1501_X_2001_04_09_pus_uva.fits ! Reading UV FITS file: J2158-1501_X_2001_04_09_pus_uva.fits ! AN table 1: 50 integrations on 190 of 190 possible baselines. ! AN table 2: 129 integrations on 190 of 190 possible baselines. ! AN table 3: 93 integrations on 190 of 190 possible baselines. ! AN table 4: 93 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0524441 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2158-1501 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1926 lines of history. ! ! Reading 14548 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2158-1501_X_2001_04_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 = 256x256 pixels with 0.200x0.200 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 797 telescope corrections were flagged in sub-array 1. ! A total of 2037 telescope corrections were flagged in sub-array 2. ! A total of 1488 telescope corrections were flagged in sub-array 3. ! A total of 1860 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 797 telescope corrections were flagged in sub-array 1. ! A total of 2037 telescope corrections were flagged in sub-array 2. ! A total of 1488 telescope corrections were flagged in sub-array 3. ! A total of 1860 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 797 telescope corrections were flagged in sub-array 1. ! A total of 2037 telescope corrections were flagged in sub-array 2. ! A total of 1488 telescope corrections were flagged in sub-array 3. ! A total of 1860 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 797 telescope corrections were flagged in sub-array 1. ! A total of 2037 telescope corrections were flagged in sub-array 2. ! A total of 1488 telescope corrections were flagged in sub-array 3. ! A total of 1860 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.995647Jy sigma=0.009424 ! Fit after self-cal, rms=0.608183Jy sigma=0.006444 ! 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 ! Your choice of large map pixels excluded 7.94% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.64 mas, bmaj=1.511 mas, bpa=11.14 degrees ! Estimated noise=1147.21 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 = 0.895398 Jy ! Component: 100 - total flux cleaned = 1.23985 Jy ! Total flux subtracted in 100 components = 1.23985 Jy ! Clean residual min=-0.066072 max=0.179648 Jy/beam ! Clean residual mean=0.002778 rms=0.030137 Jy/beam ! Combined flux in latest and established models = 1.23985 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.23985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.488173Jy sigma=0.004949 ! Fit after self-cal, rms=0.487135Jy sigma=0.004944 ! Inverting map ! Your choice of large map pixels excluded 7.94% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Added new window around map position (-1.4, -1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.19468 Jy ! Component: 100 - total flux cleaned = 0.317615 Jy ! Total flux subtracted in 100 components = 0.317615 Jy ! Clean residual min=-0.048116 max=0.094824 Jy/beam ! Clean residual mean=0.001260 rms=0.018840 Jy/beam ! Combined flux in latest and established models = 1.55747 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 24 components and 1.55747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.379067Jy sigma=0.003467 ! Fit after self-cal, rms=0.373060Jy sigma=0.003415 ! Inverting map ! Your choice of large map pixels excluded 7.94% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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 ! Your choice of large map pixels excluded 7.94% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=1.005 mas, bmaj=1.88 mas, bpa=19.45 degrees ! Estimated noise=658.251 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 = 0.13711 Jy ! Component: 100 - total flux cleaned = 0.205339 Jy ! Component: 150 - total flux cleaned = 0.243213 Jy ! Component: 200 - total flux cleaned = 0.261265 Jy ! Total flux subtracted in 200 components = 0.261265 Jy ! Clean residual min=-0.040414 max=0.043231 Jy/beam ! Clean residual mean=-0.001361 rms=0.011362 Jy/beam ! Combined flux in latest and established models = 1.81873 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 47 components and 1.81873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.338357Jy sigma=0.002781 ! Fit after self-cal, rms=0.334656Jy sigma=0.002739 ! Inverting map ! Your choice of large map pixels excluded 7.94% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.34 KP 1.27 ! LA 1.00* MA 1.00* MC 1.00* MK 0.86 ! NL 1.00* NY 1.00* OV 1.06 PT 1.07 ! SC 1.00* TS 0.98 WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 FD 0.98 GC 1.00* GG 1.00* ! HH 0.92 HN 1.28 KK 1.00* KP 1.07 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.03 NY 1.00* OV 1.02 PT 0.99 ! SC 0.94 TS 1.00* WF 0.84 WZ 1.00* ! ! A total of 144 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.91 ! LA 0.98 MA 1.00* MC 1.00* MK 0.82 ! NL 0.99 NY 1.00* OV 0.95 PT 0.96 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.76 KP 1.24 ! LA 1.00* MA 1.00* MC 1.00* MK 0.89 ! NL 1.00* NY 1.00* OV 1.05 PT 1.07 ! SC 1.00* TS 1.00 WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.98 GC 1.00* GG 1.00* ! HH 0.88 HN 1.27 KK 1.00* KP 1.08 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 0.97 NY 1.00* OV 1.02 PT 1.00 ! SC 0.93 TS 1.00* WF 0.86 WZ 1.00* ! ! A total of 144 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.90 ! LA 0.97 MA 1.00* MC 1.00* MK 0.87 ! NL 0.94 NY 1.00* OV 0.95 PT 0.96 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.89 KP 1.13 ! LA 1.00* MA 1.00* MC 1.00* MK 0.87 ! NL 1.00* NY 1.00* OV 1.04 PT 1.03 ! SC 1.00* TS 1.05 WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.98 GC 1.00* GG 1.00* ! HH 0.85 HN 1.28 KK 1.00* KP 0.97 ! LA 1.04 MA 1.00* MC 1.00* MK 1.00* ! NL 0.97 NY 1.00* OV 1.01 PT 0.95 ! SC 1.46 TS 1.00* WF 0.89 WZ 1.00* ! ! A total of 144 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.82 ! LA 0.99 MA 1.00* MC 1.00* MK 0.88 ! NL 0.96 NY 1.00* OV 0.93 PT 0.92 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.89 KP 1.37 ! LA 1.00* MA 1.00* MC 1.00* MK 0.93 ! NL 1.00* NY 1.00* OV 1.02 PT 1.07 ! SC 1.00* TS 1.06 WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 GC 1.00* GG 1.00* ! HH 0.89 HN 1.29 KK 1.00* KP 1.19 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 0.99 NY 1.00* OV 0.98 PT 1.00 ! SC 0.94 TS 1.00* WF 0.89 WZ 1.00* ! ! A total of 144 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 1.02 ! LA 0.97 MA 1.00* MC 1.00* MK 0.92 ! NL 0.96 NY 1.00* OV 0.91 PT 0.96 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.334656Jy sigma=0.002739 ! Fit after self-cal, rms=0.326196Jy sigma=0.002291 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9628 mas, bmaj=1.805 mas, bpa=20.74 degrees ! Estimated noise=692.635 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 (-1, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116234 Jy ! Component: 100 - total flux cleaned = 0.0096829 Jy ! Component: 150 - total flux cleaned = 0.00891235 Jy ! Component: 200 - total flux cleaned = 0.00890999 Jy ! Total flux subtracted in 200 components = 0.00890999 Jy ! Clean residual min=-0.016821 max=0.010178 Jy/beam ! Clean residual mean=-0.001071 rms=0.003082 Jy/beam ! Combined flux in latest and established models = 1.82764 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 1.82764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324391Jy sigma=0.002275 ! Fit after self-cal, rms=0.324206Jy sigma=0.002273 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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=0.324206Jy sigma=0.002273 ! Fit after self-cal, rms=0.327750Jy sigma=0.002270 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9651 mas, bmaj=1.811 mas, bpa=20.97 degrees ! Estimated noise=693.972 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00505843 Jy ! Component: 100 - total flux cleaned = 0.0053093 Jy ! Component: 150 - total flux cleaned = 0.00554897 Jy ! Component: 200 - total flux cleaned = 0.00576158 Jy ! Total flux subtracted in 200 components = 0.00576158 Jy ! Clean residual min=-0.014169 max=0.007839 Jy/beam ! Clean residual mean=-0.000779 rms=0.002448 Jy/beam ! Combined flux in latest and established models = 1.83341 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 63 components and 1.83341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327023Jy sigma=0.002264 ! Fit after self-cal, rms=0.326983Jy sigma=0.002263 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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 = 0.0023031 Jy ! Component: 100 - total flux cleaned = 0.00231239 Jy ! Component: 150 - total flux cleaned = 0.00231745 Jy ! Component: 200 - total flux cleaned = 0.00230856 Jy ! Total flux subtracted in 200 components = 0.00230856 Jy ! Clean residual min=-0.013372 max=0.007090 Jy/beam ! Clean residual mean=-0.000839 rms=0.002253 Jy/beam ! Combined flux in latest and established models = 1.83571 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 1.83571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326753Jy sigma=0.002261 ! Fit after self-cal, rms=0.326727Jy sigma=0.002261 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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=0.326727Jy sigma=0.002261 ! Fit after self-cal, rms=0.330446Jy sigma=0.002259 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9681 mas, bmaj=1.818 mas, bpa=21.14 degrees ! Estimated noise=695.779 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00271972 Jy ! Component: 100 - total flux cleaned = 0.00335561 Jy ! Component: 150 - total flux cleaned = 0.00388559 Jy ! Component: 200 - total flux cleaned = 0.00435097 Jy ! Total flux subtracted in 200 components = 0.00435097 Jy ! Clean residual min=-0.011064 max=0.006288 Jy/beam ! Clean residual mean=-0.000523 rms=0.001930 Jy/beam ! Combined flux in latest and established models = 1.84007 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 77 components and 1.84006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330158Jy sigma=0.002257 ! Fit after self-cal, rms=0.330156Jy sigma=0.002257 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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 = 0.00126734 Jy ! Component: 100 - total flux cleaned = 0.00140061 Jy ! Component: 150 - total flux cleaned = 0.00152245 Jy ! Component: 200 - total flux cleaned = 0.00163959 Jy ! Total flux subtracted in 200 components = 0.00163959 Jy ! Clean residual min=-0.010627 max=0.005859 Jy/beam ! Clean residual mean=-0.000568 rms=0.001829 Jy/beam ! Combined flux in latest and established models = 1.8417 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 82 components and 1.8417 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330043Jy sigma=0.002256 ! Fit after self-cal, rms=0.330029Jy sigma=0.002256 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.330029Jy sigma=0.002256 ! Fit after self-cal, rms=0.332464Jy sigma=0.002255 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=2.329 mas, bmaj=3.972 mas, bpa=-5.965 degrees ! Estimated noise=772.537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000744572 Jy ! Component: 100 - total flux cleaned = -2.29569e-05 Jy ! Component: 150 - total flux cleaned = 0.000696143 Jy ! Component: 200 - total flux cleaned = 0.000990266 Jy ! Total flux subtracted in 200 components = 0.000990266 Jy ! Clean residual min=-0.004606 max=0.006028 Jy/beam ! Clean residual mean=-0.000494 rms=0.001426 Jy/beam ! Combined flux in latest and established models = 1.84269 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 91 components and 1.84269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332387Jy sigma=0.002254 ! Fit after self-cal, rms=0.332358Jy sigma=0.002254 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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 = -0.000304796 Jy ! Component: 100 - total flux cleaned = 0.000286971 Jy ! Component: 150 - total flux cleaned = 0.00075361 Jy ! Component: 200 - total flux cleaned = 0.00102747 Jy ! Total flux subtracted in 200 components = 0.00102747 Jy ! Clean residual min=-0.004789 max=0.005787 Jy/beam ! Clean residual mean=-0.000542 rms=0.001379 Jy/beam ! Combined flux in latest and established models = 1.84372 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 97 components and 1.84372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332336Jy sigma=0.002254 ! Fit after self-cal, rms=0.332313Jy sigma=0.002254 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Added new window around map position (-1, -11.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00445423 Jy ! Component: 100 - total flux cleaned = 0.0044668 Jy ! Component: 150 - total flux cleaned = 0.00455616 Jy ! Component: 200 - total flux cleaned = 0.00463452 Jy ! Total flux subtracted in 200 components = 0.00463452 Jy ! Clean residual min=-0.004410 max=0.002455 Jy/beam ! Clean residual mean=-0.000618 rms=0.001058 Jy/beam ! Combined flux in latest and established models = 1.84836 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 117 components and 1.84836 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332266Jy sigma=0.002253 ! Fit after self-cal, rms=0.332245Jy sigma=0.002253 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec 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 ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9696 mas, bmaj=1.821 mas, bpa=21.25 degrees ! Estimated noise=697.015 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9696 x 1.821 at 21.25 degrees (North through East) ! Clean map min=-0.006447 max=1.2155 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=0.332245Jy sigma=0.002253 ! Fit after self-cal, rms=1.385142Jy sigma=0.001147 ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9738 mas, bmaj=1.83 mas, bpa=21.43 degrees ! Estimated noise=698.173 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00155117 Jy ! Component: 100 - total flux cleaned = -0.0018861 Jy ! Component: 150 - total flux cleaned = -0.00174178 Jy ! Component: 200 - total flux cleaned = -0.00174129 Jy ! Total flux subtracted in 200 components = -0.00174129 Jy ! Clean residual min=-0.006394 max=0.002748 Jy/beam ! Clean residual mean=-0.000447 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 1.84662 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 131 components and 1.84662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.385073Jy sigma=0.001145 ! Fit after self-cal, rms=1.385105Jy sigma=0.001145 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.78097e-06 Jy ! Component: 100 - total flux cleaned = 5.44964e-06 Jy ! Component: 150 - total flux cleaned = 0.000120428 Jy ! Component: 200 - total flux cleaned = -9.08358e-05 Jy ! Total flux subtracted in 200 components = -9.08358e-05 Jy ! Clean residual min=-0.005814 max=0.002650 Jy/beam ! Clean residual mean=-0.000436 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 1.84652 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 138 components and 1.84652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.385069Jy sigma=0.001143 ! Fit after self-cal, rms=1.385095Jy sigma=0.001143 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.385095Jy sigma=0.001143 ! Fit after self-cal, rms=1.380074Jy sigma=0.001143 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 ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.6484 mas, bmaj=1.467 mas, bpa=13.06 degrees ! Estimated noise=1172.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.893232 Jy ! Component: 100 - total flux cleaned = 1.24276 Jy ! Component: 150 - total flux cleaned = 1.44017 Jy ! Component: 200 - total flux cleaned = 1.56057 Jy ! Total flux subtracted in 200 components = 1.56057 Jy ! Clean residual min=-0.022286 max=0.064011 Jy/beam ! Clean residual mean=0.001033 rms=0.011239 Jy/beam ! Combined flux in latest and established models = 1.56057 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 1.56057 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9737 mas, bmaj=1.832 mas, bpa=21.54 degrees ! Estimated noise=698.477 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 = 0.115324 Jy ! Component: 100 - total flux cleaned = 0.175934 Jy ! Component: 150 - total flux cleaned = 0.211421 Jy ! Component: 200 - total flux cleaned = 0.233865 Jy ! Total flux subtracted in 200 components = 0.233865 Jy ! Clean residual min=-0.005268 max=0.011834 Jy/beam ! Clean residual mean=0.000957 rms=0.002881 Jy/beam ! Combined flux in latest and established models = 1.79444 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 63 components and 1.79444 Jy ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=2.335 mas, bmaj=3.976 mas, bpa=-5.764 degrees ! Estimated noise=770.995 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0200981 Jy ! Component: 100 - total flux cleaned = 0.030471 Jy ! Component: 150 - total flux cleaned = 0.037039 Jy ! Component: 200 - total flux cleaned = 0.0415913 Jy ! Total flux subtracted in 200 components = 0.0415913 Jy ! Clean residual min=-0.003874 max=0.002671 Jy/beam ! Clean residual mean=-0.000284 rms=0.001168 Jy/beam ! Combined flux in latest and established models = 1.83603 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 = 0.00138009 Jy ! Component: 100 - total flux cleaned = 0.00217469 Jy ! Component: 150 - total flux cleaned = 0.00285431 Jy ! Component: 200 - total flux cleaned = 0.0033628 Jy ! Total flux subtracted in 200 components = 0.0033628 Jy ! Clean residual min=-0.003233 max=0.001759 Jy/beam ! Clean residual mean=-0.000402 rms=0.000923 Jy/beam ! Combined flux in latest and established models = 1.83939 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 132 components and 1.83939 Jy ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! Estimated beam: bmin=0.9737 mas, bmaj=1.832 mas, bpa=21.54 degrees ! Estimated noise=698.477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119408 Jy ! Component: 100 - total flux cleaned = 0.00160942 Jy ! Component: 150 - total flux cleaned = 0.00196429 Jy ! Component: 200 - total flux cleaned = 0.00207328 Jy ! Total flux subtracted in 200 components = 0.00207328 Jy ! Clean residual min=-0.004476 max=0.003019 Jy/beam ! Clean residual mean=-0.000286 rms=0.000938 Jy/beam ! Combined flux in latest and established models = 1.84147 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 148 components and 1.84147 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.380193Jy sigma=0.001143 ! Fit after self-cal, rms=1.380308Jy sigma=0.001141 wmodel J2158-1501_X_2001_04_09_pus_map.mod ! Writing 148 model components to file: J2158-1501_X_2001_04_09_pus_map.mod wobs J2158-1501_X_2001_04_09_pus_uvs.fits ! Writing UV FITS file: J2158-1501_X_2001_04_09_pus_uvs.fits wwins J2158-1501_X_2001_04_09_pus_map.win ! wwins: Wrote 4 windows to J2158-1501_X_2001_04_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00124284 Jy ! Component: 100 - total flux cleaned = -0.00159929 Jy ! Component: 150 - total flux cleaned = -0.00193357 Jy ! Component: 200 - total flux cleaned = -0.00234419 Jy ! Component: 250 - total flux cleaned = -0.00265054 Jy ! Component: 300 - total flux cleaned = -0.00294551 Jy ! Component: 350 - total flux cleaned = -0.0032705 Jy ! Component: 400 - total flux cleaned = -0.00366161 Jy ! Component: 450 - total flux cleaned = -0.00400153 Jy ! Component: 500 - total flux cleaned = -0.00429498 Jy ! Component: 550 - total flux cleaned = -0.00454551 Jy ! Component: 600 - total flux cleaned = -0.00482378 Jy ! Component: 650 - total flux cleaned = -0.00499393 Jy ! Component: 700 - total flux cleaned = -0.00522696 Jy ! Component: 750 - total flux cleaned = -0.00542179 Jy ! Component: 800 - total flux cleaned = -0.0056124 Jy ! Component: 850 - total flux cleaned = -0.00573672 Jy ! Component: 900 - total flux cleaned = -0.0058591 Jy ! Component: 950 - total flux cleaned = -0.00600887 Jy ! Component: 1000 - total flux cleaned = -0.00606756 Jy ! Total flux subtracted in 1024 components = -0.00615442 Jy ! Clean residual min=-0.001489 max=0.001502 Jy/beam ! Clean residual mean=-0.000135 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 1.83531 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 204 components and 1.83531 Jy ![Exited script file: muppet] wmap "J2158-1501_X_2001_04_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9737 x 1.832 at 21.54 degrees (North through East) ! Clean map min=-0.0034626 max=1.2263 Jy/beam ! Writing clean map to FITS file: J2158-1501_X_2001_04_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.2263 invert ! Inverting map ! Your choice of large map pixels excluded 8.16% of the data. ! The x-axis pixel size should ideally be below 0.1657 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000568091 device "J2158-1501_X_2001_04_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2158-1501_X_2001_04_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.138977 0.138977 0.277954 0.555907 1.11181 2.22363 4.44726 8.89452 17.789 35.5781 71.1562 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.226 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9737 x 1.832 at 21.54 degrees (North through East) ! Clean map min=-0.0034626 max=1.2263 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2158-1501_X_2001_04_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2158-1501_X_2001_04_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2158-1501_X_2001_04_09_pus_uvs.log closed on Mon Oct 1 14:53:18 2007