! Started logfile: J2148+0657_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:28:30 2010 obs J2148+0657_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J2148+0657_X_2007_12_05_pus_uva.fits ! AN table 1: 18 integrations on 136 of 136 possible baselines. ! AN table 2: 72 integrations on 136 of 136 possible baselines. ! AN table 3: 251 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0517078 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2148+0657 ! ! 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 9592 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 202 telescope corrections were flagged in sub-array 1. ! A total of 984 telescope corrections were flagged in sub-array 2. ! A total of 3665 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 202 telescope corrections were flagged in sub-array 1. ! A total of 984 telescope corrections were flagged in sub-array 2. ! A total of 3665 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 202 telescope corrections were flagged in sub-array 1. ! A total of 984 telescope corrections were flagged in sub-array 2. ! A total of 3665 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 220 telescope corrections were flagged in sub-array 1. ! A total of 984 telescope corrections were flagged in sub-array 2. ! A total of 3712 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=3.399736Jy sigma=0.032429 ! Fit after self-cal, rms=3.308238Jy sigma=0.031109 ! 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 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.5627 mas, bmaj=0.8242 mas, bpa=7.045 degrees ! Estimated noise=1469.36 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 = 2.82369 Jy ! Component: 100 - total flux cleaned = 3.92713 Jy ! Total flux subtracted in 100 components = 3.92713 Jy ! Clean residual min=-0.151047 max=0.511232 Jy/beam ! Clean residual mean=0.001214 rms=0.044440 Jy/beam ! Combined flux in latest and established models = 3.92713 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 3.92713 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.054875Jy sigma=0.009692 ! Fit after self-cal, rms=1.037328Jy sigma=0.009600 ! Inverting map ! Your choice of large map pixels excluded 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Added new window around map position (0.6, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.568858 Jy ! Component: 100 - total flux cleaned = 0.869431 Jy ! Total flux subtracted in 100 components = 0.869431 Jy ! Clean residual min=-0.083337 max=0.246230 Jy/beam ! Clean residual mean=-0.000193 rms=0.022725 Jy/beam ! Combined flux in latest and established models = 4.79656 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 4.79656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.565634Jy sigma=0.004794 ! Fit after self-cal, rms=0.551872Jy sigma=0.004674 ! Inverting map ! Your choice of large map pixels excluded 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.188831 Jy ! Component: 100 - total flux cleaned = 0.283382 Jy ! Total flux subtracted in 100 components = 0.283382 Jy ! Clean residual min=-0.075524 max=0.142821 Jy/beam ! Clean residual mean=-0.000657 rms=0.017741 Jy/beam ! Combined flux in latest and established models = 5.07994 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 5.07994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.474958Jy sigma=0.003803 ! Fit after self-cal, rms=0.468035Jy sigma=0.003723 ! Inverting map ! Your choice of large map pixels excluded 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Added new window around map position (1.6, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.11611 Jy ! Component: 100 - total flux cleaned = 0.163126 Jy ! Total flux subtracted in 100 components = 0.163126 Jy ! Clean residual min=-0.075582 max=0.093119 Jy/beam ! Clean residual mean=-0.000930 rms=0.015129 Jy/beam ! Combined flux in latest and established models = 5.24307 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 28 components and 5.24307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.441109Jy sigma=0.003478 ! Fit after self-cal, rms=0.436144Jy sigma=0.003413 ! Inverting map ! Your choice of large map pixels excluded 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.6522 mas, bmaj=1.316 mas, bpa=4.221 degrees ! Estimated noise=873.708 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 = 0.0431344 Jy ! Component: 100 - total flux cleaned = 0.0510772 Jy ! Component: 150 - total flux cleaned = 0.0535539 Jy ! Component: 200 - total flux cleaned = 0.0540901 Jy ! Total flux subtracted in 200 components = 0.0540901 Jy ! Clean residual min=-0.076424 max=0.038898 Jy/beam ! Clean residual mean=-0.012284 rms=0.013689 Jy/beam ! Combined flux in latest and established models = 5.29716 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 35 components and 5.29716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.431368Jy sigma=0.003373 ! Fit after self-cal, rms=0.430390Jy sigma=0.003365 ! Inverting map ! Your choice of large map pixels excluded 3.67% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.94 ON 0.91 OV 1.00* ! PT 1.00* SV 1.03 TS 1.00* WZ 1.04 ! ZC 1.02 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 0.96 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 0.96 ! PT 0.95 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.02 HH 0.94 HN 1.00* ! KB 1.03 KP 1.04 LA 1.01 MK 1.00* ! NL 1.00* NY 0.96 ON 1.03 OV 0.99 ! PT 1.02 SV 1.03 TS 1.00 WZ 1.06 ! ZC 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.91 OV 1.00* ! PT 1.00* SV 0.99 TS 1.00* WZ 1.04 ! ZC 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KP 0.94 LA 0.94 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 0.94 ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.02 HH 0.96 HN 1.00* ! KB 1.03 KP 0.99 LA 1.00 MK 1.00* ! NL 1.00* NY 1.00 ON 1.03 OV 0.96 ! PT 1.07 SV 0.99 TS 1.01 WZ 1.05 ! ZC 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 0.93 OV 1.00* ! PT 1.00* SV 0.98 TS 1.00* WZ 1.00 ! ZC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.01 HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 0.97 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 0.99 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.01 HH 0.96 HN 1.00* ! KB 1.05 KP 1.03 LA 1.03 MK 1.00* ! NL 1.00* NY 1.03 ON 1.00 OV 1.03 ! PT 1.09 SV 0.98 TS 1.00 WZ 1.02 ! ZC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.96 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.99 ON 0.98 OV 1.00* ! PT 1.00* SV 0.97 TS 1.00* WZ 0.99 ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.01 HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 0.96 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 102 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.03 HH 0.96 HN 1.00* ! KB 1.05 KP 1.03 LA 1.02 MK 1.00* ! NL 1.00* NY 1.00 ON 1.01 OV 1.01 ! PT 1.09 SV 1.00 TS 1.01 WZ 1.01 ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.430390Jy sigma=0.003365 ! Fit after self-cal, rms=0.340650Jy sigma=0.002558 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.6619 mas, bmaj=1.315 mas, bpa=4.092 degrees ! Estimated noise=879.716 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 = -0.0133931 Jy ! Component: 100 - total flux cleaned = -0.0162663 Jy ! Component: 150 - total flux cleaned = -0.0193849 Jy ! Component: 200 - total flux cleaned = -0.0213593 Jy ! Total flux subtracted in 200 components = -0.0213593 Jy ! Clean residual min=-0.037178 max=0.035478 Jy/beam ! Clean residual mean=-0.002768 rms=0.008193 Jy/beam ! Combined flux in latest and established models = 5.2758 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 38 components and 5.2758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335499Jy sigma=0.002502 ! Fit after self-cal, rms=0.335070Jy sigma=0.002497 ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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=0.335070Jy sigma=0.002497 ! Fit after self-cal, rms=0.280451Jy sigma=0.001776 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.6631 mas, bmaj=1.31 mas, bpa=3.842 degrees ! Estimated noise=879.578 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0114821 Jy ! Component: 100 - total flux cleaned = -0.0132218 Jy ! Component: 150 - total flux cleaned = -0.0155109 Jy ! Component: 200 - total flux cleaned = -0.0166907 Jy ! Total flux subtracted in 200 components = -0.0166907 Jy ! Clean residual min=-0.020597 max=0.019521 Jy/beam ! Clean residual mean=-0.001960 rms=0.004603 Jy/beam ! Combined flux in latest and established models = 5.25911 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 42 components and 5.25911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276698Jy sigma=0.001746 ! Fit after self-cal, rms=0.276657Jy sigma=0.001742 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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 = 0.00185187 Jy ! Component: 100 - total flux cleaned = 0.00149963 Jy ! Component: 150 - total flux cleaned = 0.000501759 Jy ! Component: 200 - total flux cleaned = -0.000388702 Jy ! Total flux subtracted in 200 components = -0.000388702 Jy ! Clean residual min=-0.019273 max=0.020060 Jy/beam ! Clean residual mean=-0.001945 rms=0.004480 Jy/beam ! Combined flux in latest and established models = 5.25872 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 43 components and 5.25872 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274877Jy sigma=0.001730 ! Fit after self-cal, rms=0.274756Jy sigma=0.001726 ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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=0.274756Jy sigma=0.001726 ! Fit after self-cal, rms=0.246575Jy sigma=0.001576 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.663 mas, bmaj=1.308 mas, bpa=3.78 degrees ! Estimated noise=879.246 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000318628 Jy ! Component: 100 - total flux cleaned = -0.000321685 Jy ! Component: 150 - total flux cleaned = -0.00125205 Jy ! Component: 200 - total flux cleaned = -0.00180446 Jy ! Total flux subtracted in 200 components = -0.00180446 Jy ! Clean residual min=-0.016042 max=0.019726 Jy/beam ! Clean residual mean=-0.000470 rms=0.003451 Jy/beam ! Combined flux in latest and established models = 5.25692 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 44 components and 5.25692 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245004Jy sigma=0.001563 ! Fit after self-cal, rms=0.244880Jy sigma=0.001560 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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 (3.8, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013424 Jy ! Component: 100 - total flux cleaned = 0.0169018 Jy ! Component: 150 - total flux cleaned = 0.0184788 Jy ! Component: 200 - total flux cleaned = 0.0198038 Jy ! Total flux subtracted in 200 components = 0.0198038 Jy ! Clean residual min=-0.015699 max=0.013494 Jy/beam ! Clean residual mean=-0.001180 rms=0.002971 Jy/beam ! Combined flux in latest and established models = 5.27672 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 56 components and 5.27672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242823Jy sigma=0.001535 ! Fit after self-cal, rms=0.242530Jy sigma=0.001532 ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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=0.242530Jy sigma=0.001532 ! Fit after self-cal, rms=0.242053Jy sigma=0.001529 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=2.847 mas, bmaj=3.698 mas, bpa=31.33 degrees ! Estimated noise=1056.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00951731 Jy ! Component: 100 - total flux cleaned = 0.011009 Jy ! Component: 150 - total flux cleaned = 0.012046 Jy ! Component: 200 - total flux cleaned = 0.0126904 Jy ! Total flux subtracted in 200 components = 0.0126904 Jy ! Clean residual min=-0.011024 max=0.007153 Jy/beam ! Clean residual mean=-0.001736 rms=0.002670 Jy/beam ! Combined flux in latest and established models = 5.28941 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 5.28941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241605Jy sigma=0.001526 ! Fit after self-cal, rms=0.241489Jy sigma=0.001524 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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 = 0.000303692 Jy ! Component: 100 - total flux cleaned = 0.000701789 Jy ! Component: 150 - total flux cleaned = 0.00111758 Jy ! Component: 200 - total flux cleaned = 0.00145521 Jy ! Total flux subtracted in 200 components = 0.00145521 Jy ! Clean residual min=-0.011150 max=0.007090 Jy/beam ! Clean residual mean=-0.001835 rms=0.002636 Jy/beam ! Combined flux in latest and established models = 5.29087 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 73 components and 5.29087 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241066Jy sigma=0.001522 ! Fit after self-cal, rms=0.240950Jy sigma=0.001521 ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.6634 mas, bmaj=1.307 mas, bpa=3.779 degrees ! Estimated noise=879.437 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6634 x 1.307 at 3.779 degrees (North through East) ! Clean map min=-0.01591 max=3.5762 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=0.240950Jy sigma=0.001521 ! Fit after self-cal, rms=0.213272Jy sigma=0.001185 ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.6639 mas, bmaj=1.306 mas, bpa=3.767 degrees ! Estimated noise=879.797 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00440129 Jy ! Component: 100 - total flux cleaned = 0.00502253 Jy ! Component: 150 - total flux cleaned = 0.00530685 Jy ! Component: 200 - total flux cleaned = 0.00531831 Jy ! Total flux subtracted in 200 components = 0.00531831 Jy ! Clean residual min=-0.013593 max=0.013631 Jy/beam ! Clean residual mean=-0.000267 rms=0.002586 Jy/beam ! Combined flux in latest and established models = 5.29618 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 5.29618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212396Jy sigma=0.001173 ! Fit after self-cal, rms=0.212273Jy sigma=0.001172 ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000579112 Jy ! Component: 100 - total flux cleaned = 0.00107682 Jy ! Component: 150 - total flux cleaned = 0.00061849 Jy ! Component: 200 - total flux cleaned = 0.000193941 Jy ! Total flux subtracted in 200 components = 0.000193941 Jy ! Clean residual min=-0.013343 max=0.013023 Jy/beam ! Clean residual mean=-0.000274 rms=0.002507 Jy/beam ! Combined flux in latest and established models = 5.29638 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 83 components and 5.29638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211513Jy sigma=0.001165 ! Fit after self-cal, rms=0.211438Jy sigma=0.001163 ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211438Jy sigma=0.001163 ! Fit after self-cal, rms=0.211016Jy sigma=0.001162 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 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.5745 mas, bmaj=0.7987 mas, bpa=7.117 degrees ! Estimated noise=1493.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.859 Jy ! Component: 100 - total flux cleaned = 3.98445 Jy ! Component: 150 - total flux cleaned = 4.52816 Jy ! Component: 200 - total flux cleaned = 4.81738 Jy ! Total flux subtracted in 200 components = 4.81738 Jy ! Clean residual min=-0.054420 max=0.141890 Jy/beam ! Clean residual mean=0.000703 rms=0.012853 Jy/beam ! Combined flux in latest and established models = 4.81738 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 19 model components to the UV plane model. ! The established model now contains 19 components and 4.81738 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.664 mas, bmaj=1.305 mas, bpa=3.776 degrees ! Estimated noise=879.876 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 = 0.215652 Jy ! Component: 100 - total flux cleaned = 0.322822 Jy ! Component: 150 - total flux cleaned = 0.380476 Jy ! Component: 200 - total flux cleaned = 0.414472 Jy ! Total flux subtracted in 200 components = 0.414472 Jy ! Clean residual min=-0.013128 max=0.038322 Jy/beam ! Clean residual mean=0.002162 rms=0.003915 Jy/beam ! Combined flux in latest and established models = 5.23185 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 37 components and 5.23185 Jy ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Added new window around map position (-0.8, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0331935 Jy ! Component: 100 - total flux cleaned = 0.0464475 Jy ! Component: 150 - total flux cleaned = 0.0519495 Jy ! Component: 200 - total flux cleaned = 0.0540823 Jy ! Total flux subtracted in 200 components = 0.0540823 Jy ! Clean residual min=-0.012931 max=0.015916 Jy/beam ! Clean residual mean=0.000276 rms=0.002740 Jy/beam ! Combined flux in latest and established models = 5.28593 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 48 components and 5.28593 Jy ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Added new window around map position (1.8, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00736708 Jy ! Component: 100 - total flux cleaned = 0.00915644 Jy ! Component: 150 - total flux cleaned = 0.00955454 Jy ! Component: 200 - total flux cleaned = 0.00955102 Jy ! Total flux subtracted in 200 components = 0.00955102 Jy ! Clean residual min=-0.011050 max=0.010158 Jy/beam ! Clean residual mean=-0.000060 rms=0.002450 Jy/beam ! Combined flux in latest and established models = 5.29548 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 57 components and 5.29548 Jy ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 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 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=2.845 mas, bmaj=3.697 mas, bpa=31.3 degrees ! Estimated noise=1056.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00413445 Jy ! Component: 100 - total flux cleaned = 0.00396119 Jy ! Component: 150 - total flux cleaned = 0.0041262 Jy ! Component: 200 - total flux cleaned = 0.00413056 Jy ! Total flux subtracted in 200 components = 0.00413056 Jy ! Clean residual min=-0.008005 max=0.009599 Jy/beam ! Clean residual mean=-0.000389 rms=0.002307 Jy/beam ! Combined flux in latest and established models = 5.29961 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 = -0.000117451 Jy ! Component: 100 - total flux cleaned = -0.000226931 Jy ! Component: 150 - total flux cleaned = -0.000328518 Jy ! Component: 200 - total flux cleaned = -0.000428521 Jy ! Total flux subtracted in 200 components = -0.000428521 Jy ! Clean residual min=-0.007862 max=0.009516 Jy/beam ! Clean residual mean=-0.000360 rms=0.002280 Jy/beam ! Combined flux in latest and established models = 5.29918 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 71 components and 5.29918 Jy ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! Estimated beam: bmin=0.664 mas, bmaj=1.305 mas, bpa=3.776 degrees ! Estimated noise=879.876 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.79859e-05 Jy ! Component: 100 - total flux cleaned = 0.000349358 Jy ! Component: 150 - total flux cleaned = 6.40762e-05 Jy ! Component: 200 - total flux cleaned = -0.000210756 Jy ! Total flux subtracted in 200 components = -0.000210756 Jy ! Clean residual min=-0.010605 max=0.009734 Jy/beam ! Clean residual mean=-0.000183 rms=0.002266 Jy/beam ! Combined flux in latest and established models = 5.29897 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 77 components and 5.29897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214887Jy sigma=0.001153 ! Fit after self-cal, rms=0.212997Jy sigma=0.001136 wmodel J2148+0657_X_2007_12_05_pus_map.mod ! Writing 77 model components to file: J2148+0657_X_2007_12_05_pus_map.mod wobs J2148+0657_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J2148+0657_X_2007_12_05_pus_uvs.fits wwins J2148+0657_X_2007_12_05_pus_map.win ! wwins: Wrote 6 windows to J2148+0657_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 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000317518 Jy ! Component: 100 - total flux cleaned = 0.000831728 Jy ! Component: 150 - total flux cleaned = 5.21546e-05 Jy ! Component: 200 - total flux cleaned = -0.000248216 Jy ! Component: 250 - total flux cleaned = -0.0005362 Jy ! Component: 300 - total flux cleaned = -0.00122081 Jy ! Component: 350 - total flux cleaned = -0.00174913 Jy ! Component: 400 - total flux cleaned = -0.00213628 Jy ! Component: 450 - total flux cleaned = -0.00238732 Jy ! Component: 500 - total flux cleaned = -0.0026304 Jy ! Component: 550 - total flux cleaned = -0.00286756 Jy ! Component: 600 - total flux cleaned = -0.00309947 Jy ! Component: 650 - total flux cleaned = -0.00321328 Jy ! Component: 700 - total flux cleaned = -0.00321314 Jy ! Component: 750 - total flux cleaned = -0.00332311 Jy ! Component: 800 - total flux cleaned = -0.00343268 Jy ! Component: 850 - total flux cleaned = -0.00353871 Jy ! Component: 900 - total flux cleaned = -0.00353967 Jy ! Component: 950 - total flux cleaned = -0.00374788 Jy ! Component: 1000 - total flux cleaned = -0.00385004 Jy ! Component: 1050 - total flux cleaned = -0.00395005 Jy ! Component: 1100 - total flux cleaned = -0.00394966 Jy ! Component: 1150 - total flux cleaned = -0.00404773 Jy ! Component: 1200 - total flux cleaned = -0.00404802 Jy ! Component: 1250 - total flux cleaned = -0.00414468 Jy ! Component: 1300 - total flux cleaned = -0.00414446 Jy ! Component: 1350 - total flux cleaned = -0.00414413 Jy ! Component: 1400 - total flux cleaned = -0.00414456 Jy ! Component: 1450 - total flux cleaned = -0.0042363 Jy ! Component: 1500 - total flux cleaned = -0.00423626 Jy ! Component: 1550 - total flux cleaned = -0.00423693 Jy ! Component: 1600 - total flux cleaned = -0.00441578 Jy ! Component: 1650 - total flux cleaned = -0.00450404 Jy ! Component: 1700 - total flux cleaned = -0.00450357 Jy ! Component: 1750 - total flux cleaned = -0.00459041 Jy ! Component: 1800 - total flux cleaned = -0.00458937 Jy ! Component: 1850 - total flux cleaned = -0.00467445 Jy ! Component: 1900 - total flux cleaned = -0.00475927 Jy ! Component: 1950 - total flux cleaned = -0.00475936 Jy ! Component: 2000 - total flux cleaned = -0.00492516 Jy ! Total flux subtracted in 2048 components = -0.00500661 Jy ! Clean residual min=-0.004585 max=0.005261 Jy/beam ! Clean residual mean=-0.000062 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 5.29397 Jy keep ! Adding 115 model components to the UV plane model. ! The established model now contains 190 components and 5.29397 Jy wmap "J2148+0657_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.664 x 1.305 at 3.776 degrees (North through East) ! Clean map min=-0.012542 max=3.5485 Jy/beam ! Writing clean map to FITS file: J2148+0657_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 3.54848 invert ! Inverting map ! Your choice of large map pixels excluded 2.85% of the data. ! The x-axis pixel size should ideally be below 0.1883 milli-arcsec ! The y-axis pixel size should ideally be below 0.1801 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00138972 device "J2148+0657_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2148+0657_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.117491 0.117491 0.234983 0.469965 0.939931 1.87986 3.75972 7.51944 15.0389 30.0778 60.1556 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0041 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.548 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.664 x 1.305 at 3.776 degrees (North through East) ! Clean map min=-0.012542 max=3.5485 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2148+0657_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2148+0657_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2148+0657_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:28:37 2010