! Started logfile: J2000-1748_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:27:35 2010 obs J2000-1748_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J2000-1748_X_2007_12_05_pus_uva.fits ! AN table 1: 26 integrations on 136 of 136 possible baselines. ! AN table 2: 63 integrations on 136 of 136 possible baselines. ! AN table 3: 37 integrations on 136 of 136 possible baselines. ! AN table 4: 41 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0747182 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2000-1748 ! ! 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 1501 lines of history. ! ! Reading 6788 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 360 telescope corrections were flagged in sub-array 1. ! A total of 894 telescope corrections were flagged in sub-array 2. ! A total of 428 telescope corrections were flagged in sub-array 3. ! A total of 467 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 360 telescope corrections were flagged in sub-array 1. ! A total of 894 telescope corrections were flagged in sub-array 2. ! A total of 428 telescope corrections were flagged in sub-array 3. ! A total of 467 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 360 telescope corrections were flagged in sub-array 1. ! A total of 894 telescope corrections were flagged in sub-array 2. ! A total of 428 telescope corrections were flagged in sub-array 3. ! A total of 467 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 375 telescope corrections were flagged in sub-array 1. ! A total of 948 telescope corrections were flagged in sub-array 2. ! A total of 428 telescope corrections were flagged in sub-array 3. ! A total of 467 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.442095Jy sigma=0.013765 ! Fit after self-cal, rms=1.252491Jy sigma=0.012043 ! 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 0.753% of the data. ! The x-axis pixel size should ideally be below 0.1888 milli-arcsec ! Estimated beam: bmin=0.7509 mas, bmaj=0.9657 mas, bpa=-13.31 degrees ! Estimated noise=1870.11 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 = 1.65857 Jy ! Component: 100 - total flux cleaned = 2.07912 Jy ! Total flux subtracted in 100 components = 2.07912 Jy ! Clean residual min=-0.065408 max=0.159157 Jy/beam ! Clean residual mean=0.000282 rms=0.018525 Jy/beam ! Combined flux in latest and established models = 2.07912 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 2.07912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340283Jy sigma=0.002984 ! Fit after self-cal, rms=0.340272Jy sigma=0.002984 ! Inverting map ! Your choice of large map pixels excluded 0.753% of the data. ! The x-axis pixel size should ideally be below 0.1888 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.151456 Jy ! Component: 100 - total flux cleaned = 0.200701 Jy ! Total flux subtracted in 100 components = 0.200701 Jy ! Clean residual min=-0.052312 max=0.061884 Jy/beam ! Clean residual mean=-0.001415 rms=0.012149 Jy/beam ! Combined flux in latest and established models = 2.27982 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 2.27982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266466Jy sigma=0.002142 ! Fit after self-cal, rms=0.266475Jy sigma=0.002142 ! Inverting map ! Your choice of large map pixels excluded 0.753% of the data. ! The x-axis pixel size should ideally be below 0.1888 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 0.753% of the data. ! The x-axis pixel size should ideally be below 0.1888 milli-arcsec ! Estimated beam: bmin=1.041 mas, bmaj=1.78 mas, bpa=-11.09 degrees ! Estimated noise=948.849 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 = 0.0392744 Jy ! Component: 100 - total flux cleaned = 0.0501567 Jy ! Component: 150 - total flux cleaned = 0.050151 Jy ! Component: 200 - total flux cleaned = 0.0505643 Jy ! Total flux subtracted in 200 components = 0.0505643 Jy ! Clean residual min=-0.041199 max=0.041509 Jy/beam ! Clean residual mean=-0.007838 rms=0.010136 Jy/beam ! Combined flux in latest and established models = 2.33039 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 12 components and 2.33039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260577Jy sigma=0.002090 ! Fit after self-cal, rms=0.260581Jy sigma=0.002090 ! Inverting map ! Your choice of large map pixels excluded 0.753% of the data. ! The x-axis pixel size should ideally be below 0.1888 milli-arcsec 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 1.00* FD 1.00* HH 0.85 HN 1.00* ! KB 1.07 KP 1.37 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.09 OV 0.92 ! PT 1.00* SV 1.00* TS 1.01 WZ 1.07 ! ZC 1.06 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.84 HN 1.00* ! KB 1.10 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.04 OV 1.00* ! PT 1.00* SV 1.17 TS 1.18 WZ 1.07 ! ZC 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 1.10 NY 1.00* ON 1.00* OV 0.95 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 0.97 HH 1.00* HN 1.06 ! KB 1.00* KP 0.99 LA 0.97 MK 0.99 ! NL 1.07 NY 1.00* ON 1.00* OV 0.97 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 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 1.00* FD 1.00* HH 0.85 HN 1.00* ! KB 1.05 KP 1.34 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.07 OV 0.88 ! PT 1.00* SV 1.00* TS 1.03 WZ 1.03 ! ZC 1.10 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.84 HN 1.00* ! KB 1.15 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.06 OV 1.00* ! PT 1.00* SV 1.13 TS 1.16 WZ 1.05 ! ZC 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.99 HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 0.96 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 0.94 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.03 FD 0.97 HH 1.00* HN 1.06 ! KB 1.00* KP 0.94 LA 0.95 MK 0.98 ! NL 1.05 NY 1.00* ON 1.00* OV 0.95 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 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 1.00* FD 1.00* HH 0.87 HN 1.00* ! KB 1.05 KP 1.35 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.06 OV 0.94 ! PT 1.00* SV 1.00* TS 1.01 WZ 0.98 ! ZC 1.08 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.84 HN 1.00* ! KB 1.11 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.03 OV 1.00* ! PT 1.00* SV 1.09 TS 1.17 WZ 1.01 ! ZC 0.99 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 1.00 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 0.98 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.96 HH 1.00* HN 1.06 ! KB 1.00* KP 0.97 LA 0.98 MK 1.00 ! NL 1.04 NY 1.00* ON 1.00* OV 1.00 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.07 KP 1.35 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 0.95 ! PT 1.00* SV 1.00* TS 1.01 WZ 1.00* ! ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.82 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.05 OV 1.00* ! PT 1.00* SV 1.15 TS 1.00* WZ 0.99 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 0.98 MK 1.00* ! NL 1.10 NY 1.00* ON 1.00* OV 0.98 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 0.97 HH 1.00* HN 1.07 ! KB 1.00* KP 0.97 LA 0.97 MK 1.02 ! NL 1.05 NY 1.00* ON 1.00* OV 0.99 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.260581Jy sigma=0.002090 ! Fit after self-cal, rms=0.175464Jy sigma=0.001374 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.1 mas, bmaj=1.782 mas, bpa=-14.62 degrees ! Estimated noise=961.138 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 = -0.00704208 Jy ! Component: 100 - total flux cleaned = -0.00751324 Jy ! Component: 150 - total flux cleaned = -0.00797315 Jy ! Component: 200 - total flux cleaned = -0.00839748 Jy ! Total flux subtracted in 200 components = -0.00839748 Jy ! Clean residual min=-0.013306 max=0.011245 Jy/beam ! Clean residual mean=-0.001284 rms=0.003017 Jy/beam ! Combined flux in latest and established models = 2.32199 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 16 components and 2.32199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173107Jy sigma=0.001349 ! Fit after self-cal, rms=0.173012Jy sigma=0.001349 ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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=0.173012Jy sigma=0.001349 ! Fit after self-cal, rms=0.171271Jy sigma=0.001322 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.099 mas, bmaj=1.776 mas, bpa=-14.35 degrees ! Estimated noise=958.863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00501438 Jy ! Component: 100 - total flux cleaned = -0.00502697 Jy ! Component: 150 - total flux cleaned = -0.00534551 Jy ! Component: 200 - total flux cleaned = -0.00564499 Jy ! Total flux subtracted in 200 components = -0.00564499 Jy ! Clean residual min=-0.010893 max=0.007759 Jy/beam ! Clean residual mean=-0.000876 rms=0.002579 Jy/beam ! Combined flux in latest and established models = 2.31634 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 17 components and 2.31634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169915Jy sigma=0.001310 ! Fit after self-cal, rms=0.169918Jy sigma=0.001310 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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 = -0.000284707 Jy ! Component: 100 - total flux cleaned = -0.000537338 Jy ! Component: 150 - total flux cleaned = -0.00078011 Jy ! Component: 200 - total flux cleaned = -0.00100477 Jy ! Total flux subtracted in 200 components = -0.00100477 Jy ! Clean residual min=-0.010360 max=0.007379 Jy/beam ! Clean residual mean=-0.000857 rms=0.002491 Jy/beam ! Combined flux in latest and established models = 2.31534 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 17 components and 2.31534 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169161Jy sigma=0.001303 ! Fit after self-cal, rms=0.169174Jy sigma=0.001303 ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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=0.169174Jy sigma=0.001303 ! Fit after self-cal, rms=0.164815Jy sigma=0.001285 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.103 mas, bmaj=1.776 mas, bpa=-14.6 degrees ! Estimated noise=958.212 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00373817 Jy ! Component: 100 - total flux cleaned = -0.00401386 Jy ! Component: 150 - total flux cleaned = -0.00426762 Jy ! Component: 200 - total flux cleaned = -0.00450166 Jy ! Total flux subtracted in 200 components = -0.00450166 Jy ! Clean residual min=-0.009854 max=0.006990 Jy/beam ! Clean residual mean=-0.000722 rms=0.002205 Jy/beam ! Combined flux in latest and established models = 2.31084 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 17 components and 2.31084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163899Jy sigma=0.001277 ! Fit after self-cal, rms=0.163942Jy sigma=0.001277 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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 = 2.81792e-06 Jy ! Component: 100 - total flux cleaned = -0.00022179 Jy ! Component: 150 - total flux cleaned = -0.000431746 Jy ! Component: 200 - total flux cleaned = -0.00061555 Jy ! Total flux subtracted in 200 components = -0.00061555 Jy ! Clean residual min=-0.009417 max=0.006910 Jy/beam ! Clean residual mean=-0.000710 rms=0.002132 Jy/beam ! Combined flux in latest and established models = 2.31022 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 17 components and 2.31022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163415Jy sigma=0.001272 ! Fit after self-cal, rms=0.163427Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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=0.163427Jy sigma=0.001272 ! Fit after self-cal, rms=0.162740Jy sigma=0.001270 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=2.886 mas, bmaj=5.418 mas, bpa=2.546 degrees ! Estimated noise=1039.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0030724 Jy ! Component: 100 - total flux cleaned = -0.0034854 Jy ! Component: 150 - total flux cleaned = -0.00351858 Jy ! Component: 200 - total flux cleaned = -0.00355067 Jy ! Total flux subtracted in 200 components = -0.00355067 Jy ! Clean residual min=-0.008614 max=0.005143 Jy/beam ! Clean residual mean=-0.000911 rms=0.001882 Jy/beam ! Combined flux in latest and established models = 2.30667 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 20 components and 2.30667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162698Jy sigma=0.001269 ! Fit after self-cal, rms=0.162691Jy sigma=0.001269 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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 = 4.53486e-05 Jy ! Component: 100 - total flux cleaned = 4.12279e-05 Jy ! Component: 150 - total flux cleaned = 5.64496e-06 Jy ! Component: 200 - total flux cleaned = -5.79747e-05 Jy ! Total flux subtracted in 200 components = -5.79747e-05 Jy ! Clean residual min=-0.008596 max=0.005146 Jy/beam ! Clean residual mean=-0.000909 rms=0.001880 Jy/beam ! Combined flux in latest and established models = 2.30661 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 2.30661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162701Jy sigma=0.001269 ! Fit after self-cal, rms=0.162703Jy sigma=0.001269 ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.107 mas, bmaj=1.775 mas, bpa=-14.81 degrees ! Estimated noise=957.668 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.107 x 1.775 at -14.81 degrees (North through East) ! Clean map min=-0.0093107 max=2.1863 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=0.162703Jy sigma=0.001269 ! Fit after self-cal, rms=0.143791Jy sigma=0.001079 ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.106 mas, bmaj=1.775 mas, bpa=-14.79 degrees ! Estimated noise=956.451 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00316177 Jy ! Component: 100 - total flux cleaned = -0.00335906 Jy ! Component: 150 - total flux cleaned = -0.00354782 Jy ! Component: 200 - total flux cleaned = -0.00356026 Jy ! Total flux subtracted in 200 components = -0.00356026 Jy ! Clean residual min=-0.008298 max=0.005828 Jy/beam ! Clean residual mean=-0.000578 rms=0.001851 Jy/beam ! Combined flux in latest and established models = 2.30305 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 25 components and 2.30305 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143178Jy sigma=0.001073 ! Fit after self-cal, rms=0.143192Jy sigma=0.001073 ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00016201 Jy ! Component: 100 - total flux cleaned = -0.00016611 Jy ! Component: 150 - total flux cleaned = -0.000318365 Jy ! Component: 200 - total flux cleaned = -0.000464175 Jy ! Total flux subtracted in 200 components = -0.000464175 Jy ! Clean residual min=-0.007900 max=0.005903 Jy/beam ! Clean residual mean=-0.000569 rms=0.001798 Jy/beam ! Combined flux in latest and established models = 2.30259 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 26 components and 2.30259 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142848Jy sigma=0.001070 ! Fit after self-cal, rms=0.142861Jy sigma=0.001070 ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142861Jy sigma=0.001070 ! Fit after self-cal, rms=0.142299Jy sigma=0.001069 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 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=0.7721 mas, bmaj=0.9319 mas, bpa=-18.81 degrees ! Estimated noise=1927.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.67259 Jy ! Component: 100 - total flux cleaned = 2.06461 Jy ! Component: 150 - total flux cleaned = 2.20249 Jy ! Component: 200 - total flux cleaned = 2.25838 Jy ! Total flux subtracted in 200 components = 2.25838 Jy ! Clean residual min=-0.015605 max=0.029690 Jy/beam ! Clean residual mean=0.000156 rms=0.003895 Jy/beam ! Combined flux in latest and established models = 2.25838 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 11 model components to the UV plane model. ! The established model now contains 11 components and 2.25838 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.109 mas, bmaj=1.774 mas, bpa=-14.96 degrees ! Estimated noise=955.884 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) ! Added new window around map position (-0.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0288322 Jy ! Component: 100 - total flux cleaned = 0.0385705 Jy ! Component: 150 - total flux cleaned = 0.0426815 Jy ! Component: 200 - total flux cleaned = 0.0430795 Jy ! Total flux subtracted in 200 components = 0.0430795 Jy ! Clean residual min=-0.007203 max=0.005452 Jy/beam ! Clean residual mean=-0.000503 rms=0.001510 Jy/beam ! Combined flux in latest and established models = 2.30146 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 2.30146 Jy ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 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 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=2.888 mas, bmaj=5.422 mas, bpa=2.582 degrees ! Estimated noise=1036.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000990472 Jy ! Component: 100 - total flux cleaned = 0.000924188 Jy ! Component: 150 - total flux cleaned = 0.000860982 Jy ! Component: 200 - total flux cleaned = 0.000770875 Jy ! Total flux subtracted in 200 components = 0.000770875 Jy ! Clean residual min=-0.006980 max=0.004385 Jy/beam ! Clean residual mean=-0.000793 rms=0.001527 Jy/beam ! Combined flux in latest and established models = 2.30223 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 = -5.63011e-05 Jy ! Component: 100 - total flux cleaned = -0.000109418 Jy ! Component: 150 - total flux cleaned = -0.000161887 Jy ! Component: 200 - total flux cleaned = -0.000234538 Jy ! Total flux subtracted in 200 components = -0.000234538 Jy ! Clean residual min=-0.006944 max=0.004373 Jy/beam ! Clean residual mean=-0.000788 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 2.30199 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 2.30199 Jy ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! Estimated beam: bmin=1.109 mas, bmaj=1.774 mas, bpa=-14.96 degrees ! Estimated noise=955.884 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000606783 Jy ! Component: 100 - total flux cleaned = -0.000494318 Jy ! Component: 150 - total flux cleaned = -0.000290731 Jy ! Component: 200 - total flux cleaned = -0.000192484 Jy ! Total flux subtracted in 200 components = -0.000192484 Jy ! Clean residual min=-0.006768 max=0.005387 Jy/beam ! Clean residual mean=-0.000510 rms=0.001466 Jy/beam ! Combined flux in latest and established models = 2.3018 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 2.3018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141165Jy sigma=0.001058 ! Fit after self-cal, rms=0.141115Jy sigma=0.001057 wmodel J2000-1748_X_2007_12_05_pus_map.mod ! Writing 44 model components to file: J2000-1748_X_2007_12_05_pus_map.mod wobs J2000-1748_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J2000-1748_X_2007_12_05_pus_uvs.fits wwins J2000-1748_X_2007_12_05_pus_map.win ! wwins: Wrote 2 windows to J2000-1748_X_2007_12_05_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 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00274226 Jy ! Component: 100 - total flux cleaned = -0.00410647 Jy ! Component: 150 - total flux cleaned = -0.00548372 Jy ! Component: 200 - total flux cleaned = -0.00696167 Jy ! Component: 250 - total flux cleaned = -0.00845087 Jy ! Component: 300 - total flux cleaned = -0.0100364 Jy ! Component: 350 - total flux cleaned = -0.0116465 Jy ! Component: 400 - total flux cleaned = -0.0132052 Jy ! Component: 450 - total flux cleaned = -0.0146447 Jy ! Component: 500 - total flux cleaned = -0.0159057 Jy ! Component: 550 - total flux cleaned = -0.0170673 Jy ! Component: 600 - total flux cleaned = -0.0183992 Jy ! Component: 650 - total flux cleaned = -0.0195049 Jy ! Component: 700 - total flux cleaned = -0.0206502 Jy ! Component: 750 - total flux cleaned = -0.0215847 Jy ! Component: 800 - total flux cleaned = -0.0225624 Jy ! Component: 850 - total flux cleaned = -0.0234607 Jy ! Component: 900 - total flux cleaned = -0.0241663 Jy ! Component: 950 - total flux cleaned = -0.0249181 Jy ! Component: 1000 - total flux cleaned = -0.0256006 Jy ! Component: 1050 - total flux cleaned = -0.0263834 Jy ! Component: 1100 - total flux cleaned = -0.0269882 Jy ! Component: 1150 - total flux cleaned = -0.0275304 Jy ! Component: 1200 - total flux cleaned = -0.0281716 Jy ! Component: 1250 - total flux cleaned = -0.0287506 Jy ! Component: 1300 - total flux cleaned = -0.0293212 Jy ! Component: 1350 - total flux cleaned = -0.0297819 Jy ! Component: 1400 - total flux cleaned = -0.0303877 Jy ! Component: 1450 - total flux cleaned = -0.0307368 Jy ! Component: 1500 - total flux cleaned = -0.031131 Jy ! Component: 1550 - total flux cleaned = -0.031617 Jy ! Component: 1600 - total flux cleaned = -0.0318089 Jy ! Component: 1650 - total flux cleaned = -0.0321419 Jy ! Component: 1700 - total flux cleaned = -0.032471 Jy ! Component: 1750 - total flux cleaned = -0.0328887 Jy ! Component: 1800 - total flux cleaned = -0.0331641 Jy ! Component: 1850 - total flux cleaned = -0.0335276 Jy ! Component: 1900 - total flux cleaned = -0.0337531 Jy ! Component: 1950 - total flux cleaned = -0.0342429 Jy ! Component: 2000 - total flux cleaned = -0.0343754 Jy ! Total flux subtracted in 2048 components = -0.0348117 Jy ! Clean residual min=-0.002331 max=0.002175 Jy/beam ! Clean residual mean=-0.000097 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 2.26699 Jy keep ! Adding 109 model components to the UV plane model. ! The established model now contains 153 components and 2.26699 Jy wmap "J2000-1748_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.109 x 1.774 at -14.96 degrees (North through East) ! Clean map min=-0.0060731 max=2.1719 Jy/beam ! Writing clean map to FITS file: J2000-1748_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.1719 invert ! Inverting map ! Your choice of large map pixels excluded 0.569% of the data. ! The x-axis pixel size should ideally be below 0.191 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000761922 device "J2000-1748_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2000-1748_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.105243 0.105243 0.210485 0.42097 0.84194 1.68388 3.36776 6.73552 13.471 26.9421 53.8842 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.171 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.109 x 1.774 at -14.96 degrees (North through East) ! Clean map min=-0.0060731 max=2.1719 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2000-1748_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2000-1748_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2000-1748_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:27:39 2010