! Started logfile: J1641+2257_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:37:06 2011 obs J1641+2257_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1641+2257_X_2009_04_21_pus_uva.fits ! AN table 1: 343 integrations on 120 of 120 possible baselines. ! AN table 2: 104 integrations on 120 of 120 possible baselines. ! AN table 3: 49 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.198706 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1641+2257 ! ! 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 2445 lines of history. ! ! Reading 47308 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 ![@muppet J1641+2257_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 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 3306 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3306 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3308 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3306 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.753200Jy sigma=0.006790 ! Fit after self-cal, rms=0.617324Jy sigma=0.005558 ! 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 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.5226 mas, bmaj=1.093 mas, bpa=-2.159 degrees ! Estimated noise=717.423 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 = 0.307758 Jy ! Component: 100 - total flux cleaned = 0.384055 Jy ! Total flux subtracted in 100 components = 0.384055 Jy ! Clean residual min=-0.007203 max=0.032217 Jy/beam ! Clean residual mean=0.000074 rms=0.002099 Jy/beam ! Combined flux in latest and established models = 0.384055 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.384055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166759Jy sigma=0.001344 ! Fit after self-cal, rms=0.166736Jy sigma=0.001344 ! Inverting map ! Your choice of large map pixels excluded 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0351989 Jy ! Component: 100 - total flux cleaned = 0.0530052 Jy ! Total flux subtracted in 100 components = 0.0530052 Jy ! Clean residual min=-0.004867 max=0.008706 Jy/beam ! Clean residual mean=0.000024 rms=0.001299 Jy/beam ! Combined flux in latest and established models = 0.437061 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.437061 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157465Jy sigma=0.001242 ! Fit after self-cal, rms=0.157475Jy sigma=0.001242 ! Inverting map ! Your choice of large map pixels excluded 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010531 Jy ! Component: 100 - total flux cleaned = 0.0172685 Jy ! Total flux subtracted in 100 components = 0.0172685 Jy ! Clean residual min=-0.004866 max=0.005993 Jy/beam ! Clean residual mean=0.000008 rms=0.001193 Jy/beam ! Combined flux in latest and established models = 0.454329 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 15 components and 0.454329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156348Jy sigma=0.001229 ! Fit after self-cal, rms=0.156350Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 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 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.601 mas, bmaj=1.236 mas, bpa=-2.024 degrees ! Estimated noise=376.119 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 = 0.00878929 Jy ! Component: 100 - total flux cleaned = 0.0134055 Jy ! Component: 150 - total flux cleaned = 0.0159339 Jy ! Component: 200 - total flux cleaned = 0.0173221 Jy ! Total flux subtracted in 200 components = 0.0173221 Jy ! Clean residual min=-0.003393 max=0.004766 Jy/beam ! Clean residual mean=0.000048 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.471651 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 16 components and 0.471651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155969Jy sigma=0.001224 ! Fit after self-cal, rms=0.155969Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Added new window around map position (-1.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00415463 Jy ! Component: 100 - total flux cleaned = 0.00497707 Jy ! Component: 150 - total flux cleaned = 0.00505568 Jy ! Component: 200 - total flux cleaned = 0.00512223 Jy ! Total flux subtracted in 200 components = 0.00512223 Jy ! Clean residual min=-0.003411 max=0.003729 Jy/beam ! Clean residual mean=-0.000006 rms=0.000802 Jy/beam ! Combined flux in latest and established models = 0.476773 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 33 components and 0.476773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155814Jy sigma=0.001223 ! Fit after self-cal, rms=0.155810Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 3.49% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.01 KB 0.98 ! KK 1.00 KP 0.98 LA 1.01 MK 0.98 ! NL 1.00 NY 0.98 OV 0.97 PT 0.99 ! SC 1.03 TS 0.99 WZ 1.04 ZC 1.07 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.98 HN 1.00 KB 0.92 ! KK 0.97 KP 0.98 LA 1.01 MK 0.96 ! NL 0.99 NY 1.00* OV 0.99 PT 1.00 ! SC 1.16 TS 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.02 KB 1.00 ! KK 0.98 KP 0.97 LA 1.00 MK 0.98 ! NL 0.97 NY 1.02 OV 0.96 PT 0.98 ! SC 1.04 TS 1.01 WZ 1.02 ZC 1.06 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.99 HN 1.00 KB 0.94 ! KK 1.09 KP 0.99 LA 1.04 MK 0.96 ! NL 0.98 NY 1.00* OV 0.97 PT 0.99 ! SC 1.10 TS 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.05 KB 1.01 ! KK 0.96 KP 0.98 LA 1.01 MK 1.01 ! NL 1.02 NY 1.04 OV 1.01 PT 1.01 ! SC 1.07 TS 1.01 WZ 0.99 ZC 1.09 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 HN 1.02 KB 0.95 ! KK 1.03 KP 1.01 LA 1.04 MK 0.99 ! NL 1.03 NY 1.00* OV 1.02 PT 1.00 ! SC 1.21 TS 0.97 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.03 KB 1.01 ! KK 0.97 KP 0.99 LA 1.01 MK 1.05 ! NL 1.03 NY 1.02 OV 1.00 PT 0.98 ! SC 1.08 TS 1.02 WZ 1.04 ZC 1.20 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.02 HN 1.00 KB 0.99 ! KK 1.01 KP 0.99 LA 1.05 MK 1.00 ! NL 1.02 NY 1.00* OV 1.01 PT 1.00 ! SC 1.16 TS 0.96 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.155810Jy sigma=0.001223 ! Fit after self-cal, rms=0.157116Jy sigma=0.001215 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.6008 mas, bmaj=1.243 mas, bpa=-2.117 degrees ! Estimated noise=382.203 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 = -0.00208308 Jy ! Component: 100 - total flux cleaned = -0.00246909 Jy ! Component: 150 - total flux cleaned = -0.00262577 Jy ! Component: 200 - total flux cleaned = -0.00275998 Jy ! Total flux subtracted in 200 components = -0.00275998 Jy ! Clean residual min=-0.002330 max=0.002550 Jy/beam ! Clean residual mean=0.000026 rms=0.000591 Jy/beam ! Combined flux in latest and established models = 0.474013 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 42 components and 0.474013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157072Jy sigma=0.001215 ! Fit after self-cal, rms=0.157093Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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=0.157093Jy sigma=0.001215 ! Fit after self-cal, rms=0.157694Jy sigma=0.001211 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.6014 mas, bmaj=1.244 mas, bpa=-2.193 degrees ! Estimated noise=382.627 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000542003 Jy ! Component: 100 - total flux cleaned = -0.000592969 Jy ! Component: 150 - total flux cleaned = -0.000591748 Jy ! Component: 200 - total flux cleaned = -0.000557952 Jy ! Total flux subtracted in 200 components = -0.000557952 Jy ! Clean residual min=-0.001955 max=0.002046 Jy/beam ! Clean residual mean=0.000036 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.473455 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 48 components and 0.473456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157673Jy sigma=0.001211 ! Fit after self-cal, rms=0.157695Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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) ! Added new window around map position (-8, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192928 Jy ! Component: 100 - total flux cleaned = 0.00202507 Jy ! Component: 150 - total flux cleaned = 0.00212744 Jy ! Component: 200 - total flux cleaned = 0.00221098 Jy ! Total flux subtracted in 200 components = 0.00221098 Jy ! Clean residual min=-0.001910 max=0.001950 Jy/beam ! Clean residual mean=0.000016 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.475666 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 0.475667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157662Jy sigma=0.001210 ! Fit after self-cal, rms=0.157660Jy sigma=0.001210 ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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=0.157660Jy sigma=0.001210 ! Fit after self-cal, rms=0.157853Jy sigma=0.001209 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.6018 mas, bmaj=1.244 mas, bpa=-2.214 degrees ! Estimated noise=382.888 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.49852e-05 Jy ! Component: 100 - total flux cleaned = 5.39412e-05 Jy ! Component: 150 - total flux cleaned = 0.000149669 Jy ! Component: 200 - total flux cleaned = 0.000208718 Jy ! Total flux subtracted in 200 components = 0.000208718 Jy ! Clean residual min=-0.001801 max=0.001955 Jy/beam ! Clean residual mean=0.000079 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.475875 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 69 components and 0.475875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157838Jy sigma=0.001209 ! Fit after self-cal, rms=0.157843Jy sigma=0.001209 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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) ! Added new window around map position (19.4, 4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00122912 Jy ! Component: 100 - total flux cleaned = 0.00150356 Jy ! Component: 150 - total flux cleaned = 0.00179758 Jy ! Component: 200 - total flux cleaned = 0.00197509 Jy ! Total flux subtracted in 200 components = 0.00197509 Jy ! Clean residual min=-0.001784 max=0.001801 Jy/beam ! Clean residual mean=0.000059 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.47785 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 79 components and 0.47785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157818Jy sigma=0.001209 ! Fit after self-cal, rms=0.157817Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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=0.157817Jy sigma=0.001209 ! Fit after self-cal, rms=0.157930Jy sigma=0.001209 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=2.382 mas, bmaj=2.769 mas, bpa=-4.028 degrees ! Estimated noise=553.757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000748345 Jy ! Component: 100 - total flux cleaned = 0.0010313 Jy ! Component: 150 - total flux cleaned = 0.00117859 Jy ! Component: 200 - total flux cleaned = 0.00125603 Jy ! Total flux subtracted in 200 components = 0.00125603 Jy ! Clean residual min=-0.002126 max=0.002663 Jy/beam ! Clean residual mean=0.000205 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.479106 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 88 components and 0.479106 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157925Jy sigma=0.001209 ! Fit after self-cal, rms=0.157924Jy sigma=0.001209 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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) ! Added new window around map position (-6, -20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178039 Jy ! Component: 100 - total flux cleaned = 0.00167976 Jy ! Component: 150 - total flux cleaned = 0.00158911 Jy ! Component: 200 - total flux cleaned = 0.00162243 Jy ! Total flux subtracted in 200 components = 0.00162243 Jy ! Clean residual min=-0.001821 max=0.001972 Jy/beam ! Clean residual mean=0.000157 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.480729 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 106 components and 0.480729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157914Jy sigma=0.001209 ! Fit after self-cal, rms=0.157912Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.602 mas, bmaj=1.245 mas, bpa=-2.23 degrees ! Estimated noise=383.05 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.602 x 1.245 at -2.23 degrees (North through East) ! Clean map min=-0.001584 max=0.40853 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.5245 mas, bmaj=1.083 mas, bpa=-2.18 degrees ! Estimated noise=749.862 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.31147 Jy ! Component: 100 - total flux cleaned = 0.388605 Jy ! Component: 150 - total flux cleaned = 0.423668 Jy ! Component: 200 - total flux cleaned = 0.441378 Jy ! Total flux subtracted in 200 components = 0.441378 Jy ! Clean residual min=-0.004517 max=0.008612 Jy/beam ! Clean residual mean=0.000042 rms=0.001023 Jy/beam ! Combined flux in latest and established models = 0.441378 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 0.441378 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.602 mas, bmaj=1.245 mas, bpa=-2.23 degrees ! Estimated noise=383.05 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 = 0.0140906 Jy ! Component: 100 - total flux cleaned = 0.0212296 Jy ! Component: 150 - total flux cleaned = 0.0254434 Jy ! Component: 200 - total flux cleaned = 0.0284699 Jy ! Total flux subtracted in 200 components = 0.0284699 Jy ! Clean residual min=-0.001861 max=0.002354 Jy/beam ! Clean residual mean=0.000149 rms=0.000496 Jy/beam ! Combined flux in latest and established models = 0.469848 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 29 components and 0.469848 Jy ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Added new window around map position (-0.2, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258377 Jy ! Component: 100 - total flux cleaned = 0.00433163 Jy ! Component: 150 - total flux cleaned = 0.00521809 Jy ! Component: 200 - total flux cleaned = 0.00588842 Jy ! Total flux subtracted in 200 components = 0.00588842 Jy ! Clean residual min=-0.001768 max=0.001846 Jy/beam ! Clean residual mean=0.000096 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.475736 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 54 components and 0.475736 Jy ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 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 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=2.382 mas, bmaj=2.769 mas, bpa=-4.028 degrees ! Estimated noise=553.757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00217363 Jy ! Component: 100 - total flux cleaned = 0.00353187 Jy ! Component: 150 - total flux cleaned = 0.00414695 Jy ! Component: 200 - total flux cleaned = 0.00449913 Jy ! Total flux subtracted in 200 components = 0.00449913 Jy ! Clean residual min=-0.001683 max=0.001946 Jy/beam ! Clean residual mean=0.000168 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.480235 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 = 0.000159473 Jy ! Component: 100 - total flux cleaned = 0.000343354 Jy ! Component: 150 - total flux cleaned = 0.000479116 Jy ! Component: 200 - total flux cleaned = 0.000604742 Jy ! Total flux subtracted in 200 components = 0.000604742 Jy ! Clean residual min=-0.001664 max=0.001865 Jy/beam ! Clean residual mean=0.000150 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.48084 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 86 components and 0.48084 Jy ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! Estimated beam: bmin=0.602 mas, bmaj=1.245 mas, bpa=-2.23 degrees ! Estimated noise=383.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000120851 Jy ! Component: 100 - total flux cleaned = -3.7146e-05 Jy ! Component: 150 - total flux cleaned = -3.64156e-05 Jy ! Component: 200 - total flux cleaned = -0.00017649 Jy ! Total flux subtracted in 200 components = -0.00017649 Jy ! Clean residual min=-0.001832 max=0.001838 Jy/beam ! Clean residual mean=0.000049 rms=0.000430 Jy/beam ! Combined flux in latest and established models = 0.480664 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 114 components and 0.480664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157914Jy sigma=0.001209 ! Fit after self-cal, rms=0.157893Jy sigma=0.001209 wmodel J1641+2257_X_2009_04_21_pus_map.mod ! Writing 114 model components to file: J1641+2257_X_2009_04_21_pus_map.mod wobs J1641+2257_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1641+2257_X_2009_04_21_pus_uvs.fits wwins J1641+2257_X_2009_04_21_pus_map.win ! wwins: Wrote 6 windows to J1641+2257_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 5.4602e-06 Jy ! Component: 100 - total flux cleaned = -5.7645e-05 Jy ! Component: 150 - total flux cleaned = -1.92683e-07 Jy ! Component: 200 - total flux cleaned = 0.000141032 Jy ! Component: 250 - total flux cleaned = 0.000278797 Jy ! Component: 300 - total flux cleaned = 0.000386306 Jy ! Component: 350 - total flux cleaned = 0.000544453 Jy ! Component: 400 - total flux cleaned = 0.000673903 Jy ! Component: 450 - total flux cleaned = 0.000750614 Jy ! Component: 500 - total flux cleaned = 0.000901366 Jy ! Component: 550 - total flux cleaned = 0.00097582 Jy ! Component: 600 - total flux cleaned = 0.00109854 Jy ! Component: 650 - total flux cleaned = 0.001244 Jy ! Component: 700 - total flux cleaned = 0.00133974 Jy ! Component: 750 - total flux cleaned = 0.00143455 Jy ! Component: 800 - total flux cleaned = 0.00157501 Jy ! Component: 850 - total flux cleaned = 0.00162125 Jy ! Component: 900 - total flux cleaned = 0.00171292 Jy ! Component: 950 - total flux cleaned = 0.00173559 Jy ! Component: 1000 - total flux cleaned = 0.00182574 Jy ! Component: 1050 - total flux cleaned = 0.00189261 Jy ! Component: 1100 - total flux cleaned = 0.00191475 Jy ! Component: 1150 - total flux cleaned = 0.00198086 Jy ! Component: 1200 - total flux cleaned = 0.00206811 Jy ! Component: 1250 - total flux cleaned = 0.00202488 Jy ! Component: 1300 - total flux cleaned = 0.0021326 Jy ! Component: 1350 - total flux cleaned = 0.00217508 Jy ! Component: 1400 - total flux cleaned = 0.00215406 Jy ! Component: 1450 - total flux cleaned = 0.00223835 Jy ! Component: 1500 - total flux cleaned = 0.00223846 Jy ! Component: 1550 - total flux cleaned = 0.00230097 Jy ! Component: 1600 - total flux cleaned = 0.00234237 Jy ! Component: 1650 - total flux cleaned = 0.00238349 Jy ! Component: 1700 - total flux cleaned = 0.00244471 Jy ! Component: 1750 - total flux cleaned = 0.00248532 Jy ! Component: 1800 - total flux cleaned = 0.00252558 Jy ! Component: 1850 - total flux cleaned = 0.00260577 Jy ! Component: 1900 - total flux cleaned = 0.00262577 Jy ! Component: 1950 - total flux cleaned = 0.00268519 Jy ! Component: 2000 - total flux cleaned = 0.00274422 Jy ! Total flux subtracted in 2048 components = 0.00276381 Jy ! Clean residual min=-0.000999 max=0.000977 Jy/beam ! Clean residual mean=0.000021 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.483427 Jy keep ! Adding 179 model components to the UV plane model. ! The established model now contains 293 components and 0.483428 Jy ![Exited script file: muppet] wmap "J1641+2257_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.602 x 1.245 at -2.23 degrees (North through East) ! Clean map min=-0.0016053 max=0.40906 Jy/beam ! Writing clean map to FITS file: J1641+2257_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.409062 invert ! Inverting map ! Your choice of large map pixels excluded 3.58% of the data. ! The x-axis pixel size should ideally be below 0.1561 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000345437 device "J1641+2257_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1641+2257_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.253338 0.253338 0.506676 1.01335 2.0267 4.05341 8.10682 16.2136 32.4273 64.8545 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.409 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.602 x 1.245 at -2.23 degrees (North through East) ! Clean map min=-0.0016053 max=0.40906 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1641+2257_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1641+2257_X_2009_04_21_pus_map.gif/vgif' mapplot cln