! Started logfile: J1637+4717_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:51:04 2010 obs J1637+4717_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1637+4717_X_2008_04_02_pus_uva.fits ! AN table 1: 428 integrations on 120 of 120 possible baselines. ! AN table 2: 250 integrations on 120 of 120 possible baselines. ! AN table 3: 199 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.090954 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1637+4717 ! ! 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 2284 lines of history. ! ! Reading 38288 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 4272 telescope corrections were flagged in sub-array 1. ! A total of 3292 telescope corrections were flagged in sub-array 2. ! A total of 2700 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 4272 telescope corrections were flagged in sub-array 1. ! A total of 3292 telescope corrections were flagged in sub-array 2. ! A total of 2700 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 4272 telescope corrections were flagged in sub-array 1. ! A total of 3292 telescope corrections were flagged in sub-array 2. ! A total of 2700 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 4272 telescope corrections were flagged in sub-array 1. ! A total of 3292 telescope corrections were flagged in sub-array 2. ! A total of 2700 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.672276Jy sigma=0.004748 ! Fit after self-cal, rms=0.340928Jy sigma=0.002326 ! 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 2.71% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=0.8503 mas, bmaj=0.9481 mas, bpa=-58.31 degrees ! Estimated noise=1267.55 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 = 0.57079 Jy ! Component: 100 - total flux cleaned = 0.704195 Jy ! Total flux subtracted in 100 components = 0.704195 Jy ! Clean residual min=-0.021630 max=0.053524 Jy/beam ! Clean residual mean=0.000164 rms=0.006039 Jy/beam ! Combined flux in latest and established models = 0.704195 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.704195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242967Jy sigma=0.001541 ! Fit after self-cal, rms=0.242863Jy sigma=0.001541 ! Inverting map ! Your choice of large map pixels excluded 2.71% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0586128 Jy ! Component: 100 - total flux cleaned = 0.0894434 Jy ! Total flux subtracted in 100 components = 0.0894434 Jy ! Clean residual min=-0.017823 max=0.023961 Jy/beam ! Clean residual mean=-0.000028 rms=0.004101 Jy/beam ! Combined flux in latest and established models = 0.793638 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.793638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227557Jy sigma=0.001331 ! Fit after self-cal, rms=0.227440Jy sigma=0.001331 ! Inverting map ! Your choice of large map pixels excluded 2.71% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Added new window around map position (-0.4, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0259835 Jy ! Component: 100 - total flux cleaned = 0.042996 Jy ! Total flux subtracted in 100 components = 0.042996 Jy ! Clean residual min=-0.016202 max=0.016087 Jy/beam ! Clean residual mean=-0.000114 rms=0.003554 Jy/beam ! Combined flux in latest and established models = 0.836634 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.836634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224124Jy sigma=0.001283 ! Fit after self-cal, rms=0.223782Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 2.71% of the data. ! The x-axis pixel size should ideally be below 0.1771 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 2.71% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.111 mas, bmaj=1.337 mas, bpa=-59.14 degrees ! Estimated noise=481.416 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.6, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218343 Jy ! Component: 100 - total flux cleaned = 0.0331525 Jy ! Component: 150 - total flux cleaned = 0.0383192 Jy ! Component: 200 - total flux cleaned = 0.0407677 Jy ! Total flux subtracted in 200 components = 0.0407677 Jy ! Clean residual min=-0.013136 max=0.010491 Jy/beam ! Clean residual mean=-0.001344 rms=0.003226 Jy/beam ! Combined flux in latest and established models = 0.877402 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 41 components and 0.877402 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221925Jy sigma=0.001253 ! Fit after self-cal, rms=0.221657Jy sigma=0.001251 ! Inverting map ! Your choice of large map pixels excluded 2.71% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.05 ! KK 1.00* KP 1.00 LA 1.00 MK 1.00* ! NL 1.01 NY 0.98 ON 1.00* OV 0.98 ! PT 1.03 SC 0.99 WZ 1.00* ZC 0.86 ! ! A total of 708 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.00* HH 1.00* HN 1.00* ! KK 1.10 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.94 ON 1.03 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HH 1.00* HN 1.05 ! KK 1.00* KP 0.96 LA 0.99 MK 1.00* ! NL 0.98 NY 0.99 ON 1.00* OV 0.96 ! PT 1.02 SC 0.99 WZ 1.00* ZC 0.88 ! ! A total of 708 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.00* HH 1.00* HN 1.00* ! KK 1.10 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.93 ON 1.06 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HH 1.00* HN 1.04 ! KK 1.00* KP 0.98 LA 1.02 MK 1.00* ! NL 1.00 NY 0.99 ON 1.00* OV 1.00 ! PT 1.02 SC 1.02 WZ 1.00* ZC 0.87 ! ! A total of 708 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.00* HH 1.00* HN 1.00* ! KK 1.11 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.89 ON 1.08 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HH 1.00* HN 1.04 ! KK 1.00* KP 0.97 LA 1.00 MK 1.00* ! NL 1.01 NY 0.99 ON 1.00* OV 0.99 ! PT 1.01 SC 1.03 WZ 1.00* ZC 0.88 ! ! A total of 708 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.00* HH 1.00* HN 1.00* ! KK 1.14 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 1.02 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.221657Jy sigma=0.001251 ! Fit after self-cal, rms=0.216719Jy sigma=0.001231 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.125 mas, bmaj=1.331 mas, bpa=-53.66 degrees ! Estimated noise=490.169 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 = 0.00288148 Jy ! Component: 100 - total flux cleaned = 0.0022685 Jy ! Component: 150 - total flux cleaned = 0.00179056 Jy ! Component: 200 - total flux cleaned = 0.00166346 Jy ! Total flux subtracted in 200 components = 0.00166346 Jy ! Clean residual min=-0.009509 max=0.007816 Jy/beam ! Clean residual mean=-0.001208 rms=0.002737 Jy/beam ! Combined flux in latest and established models = 0.879065 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 0.879065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216437Jy sigma=0.001227 ! Fit after self-cal, rms=0.216443Jy sigma=0.001227 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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=0.216443Jy sigma=0.001227 ! Fit after self-cal, rms=0.214876Jy sigma=0.001194 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.126 mas, bmaj=1.328 mas, bpa=-53.8 degrees ! Estimated noise=491.139 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00614589 Jy ! Component: 100 - total flux cleaned = 0.00837691 Jy ! Component: 150 - total flux cleaned = 0.00887397 Jy ! Component: 200 - total flux cleaned = 0.00887533 Jy ! Total flux subtracted in 200 components = 0.00887533 Jy ! Clean residual min=-0.004754 max=0.005008 Jy/beam ! Clean residual mean=-0.000030 rms=0.001198 Jy/beam ! Combined flux in latest and established models = 0.887941 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 78 components and 0.887941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214718Jy sigma=0.001192 ! Fit after self-cal, rms=0.214659Jy sigma=0.001192 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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 = 0.00152882 Jy ! Component: 100 - total flux cleaned = 0.00159157 Jy ! Component: 150 - total flux cleaned = 0.00164871 Jy ! Component: 200 - total flux cleaned = 0.00164966 Jy ! Total flux subtracted in 200 components = 0.00164966 Jy ! Clean residual min=-0.004492 max=0.004857 Jy/beam ! Clean residual mean=-0.000052 rms=0.001175 Jy/beam ! Combined flux in latest and established models = 0.88959 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 83 components and 0.88959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214618Jy sigma=0.001191 ! Fit after self-cal, rms=0.214607Jy sigma=0.001191 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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=0.214607Jy sigma=0.001191 ! Fit after self-cal, rms=0.214753Jy sigma=0.001187 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.126 mas, bmaj=1.327 mas, bpa=-53.77 degrees ! Estimated noise=491.428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163834 Jy ! Component: 100 - total flux cleaned = 0.00198939 Jy ! Component: 150 - total flux cleaned = 0.00220348 Jy ! Component: 200 - total flux cleaned = 0.00220328 Jy ! Total flux subtracted in 200 components = 0.00220328 Jy ! Clean residual min=-0.003526 max=0.004573 Jy/beam ! Clean residual mean=0.000125 rms=0.000923 Jy/beam ! Combined flux in latest and established models = 0.891793 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 89 components and 0.891793 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214682Jy sigma=0.001186 ! Fit after self-cal, rms=0.214654Jy sigma=0.001186 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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 (-11.8, 11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0038469 Jy ! Component: 100 - total flux cleaned = 0.0058127 Jy ! Component: 150 - total flux cleaned = 0.0066706 Jy ! Component: 200 - total flux cleaned = 0.00719687 Jy ! Total flux subtracted in 200 components = 0.00719687 Jy ! Clean residual min=-0.003090 max=0.003552 Jy/beam ! Clean residual mean=0.000049 rms=0.000823 Jy/beam ! Combined flux in latest and established models = 0.89899 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 103 components and 0.89899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214567Jy sigma=0.001185 ! Fit after self-cal, rms=0.214564Jy sigma=0.001185 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Added new window around map position (-7.8, 9.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00329498 Jy ! Component: 100 - total flux cleaned = 0.00460393 Jy ! Component: 150 - total flux cleaned = 0.00511782 Jy ! Component: 200 - total flux cleaned = 0.00551205 Jy ! Total flux subtracted in 200 components = 0.00551205 Jy ! Clean residual min=-0.002870 max=0.003270 Jy/beam ! Clean residual mean=-0.000010 rms=0.000733 Jy/beam ! Combined flux in latest and established models = 0.904502 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 118 components and 0.904503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214492Jy sigma=0.001184 ! Fit after self-cal, rms=0.214480Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Added new window around map position (15.8, -16.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125431 Jy ! Component: 100 - total flux cleaned = 0.00086941 Jy ! Component: 150 - total flux cleaned = 0.00112304 Jy ! Component: 200 - total flux cleaned = 0.00134285 Jy ! Total flux subtracted in 200 components = 0.00134285 Jy ! Clean residual min=-0.003057 max=0.002587 Jy/beam ! Clean residual mean=-0.000022 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.905845 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 134 components and 0.905845 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214403Jy sigma=0.001184 ! Fit after self-cal, rms=0.214395Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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=0.214395Jy sigma=0.001184 ! Fit after self-cal, rms=0.214617Jy sigma=0.001183 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=2.317 mas, bmaj=3.142 mas, bpa=-72.86 degrees ! Estimated noise=547.497 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182339 Jy ! Component: 100 - total flux cleaned = 0.00220625 Jy ! Component: 150 - total flux cleaned = 0.00262507 Jy ! Component: 200 - total flux cleaned = 0.00283191 Jy ! Total flux subtracted in 200 components = 0.00283191 Jy ! Clean residual min=-0.002615 max=0.002674 Jy/beam ! Clean residual mean=0.000112 rms=0.000762 Jy/beam ! Combined flux in latest and established models = 0.908677 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 159 components and 0.908677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214600Jy sigma=0.001183 ! Fit after self-cal, rms=0.214599Jy sigma=0.001183 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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 = 0.000379629 Jy ! Component: 100 - total flux cleaned = 0.000456629 Jy ! Component: 150 - total flux cleaned = 0.000529201 Jy ! Component: 200 - total flux cleaned = 0.000562493 Jy ! Total flux subtracted in 200 components = 0.000562493 Jy ! Clean residual min=-0.002533 max=0.002558 Jy/beam ! Clean residual mean=0.000100 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.90924 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 169 components and 0.90924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214592Jy sigma=0.001183 ! Fit after self-cal, rms=0.214591Jy sigma=0.001183 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.126 mas, bmaj=1.326 mas, bpa=-53.73 degrees ! Estimated noise=491.899 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.126 x 1.326 at -53.73 degrees (North through East) ! Clean map min=-0.004032 max=0.74864 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=0.214591Jy sigma=0.001183 ! Fit after self-cal, rms=0.374255Jy sigma=0.001048 ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.126 mas, bmaj=1.327 mas, bpa=-53.6 degrees ! Estimated noise=492.082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000630022 Jy ! Component: 100 - total flux cleaned = -0.000784041 Jy ! Component: 150 - total flux cleaned = -0.000918194 Jy ! Component: 200 - total flux cleaned = -0.000958738 Jy ! Total flux subtracted in 200 components = -0.000958738 Jy ! Clean residual min=-0.002189 max=0.002260 Jy/beam ! Clean residual mean=0.000043 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 0.908281 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 182 components and 0.908281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374240Jy sigma=0.001047 ! Fit after self-cal, rms=0.374288Jy sigma=0.001047 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.05801e-05 Jy ! Component: 100 - total flux cleaned = -7.96719e-05 Jy ! Component: 150 - total flux cleaned = -7.95395e-05 Jy ! Component: 200 - total flux cleaned = -7.97409e-05 Jy ! Total flux subtracted in 200 components = -7.97409e-05 Jy ! Clean residual min=-0.002136 max=0.002228 Jy/beam ! Clean residual mean=0.000043 rms=0.000540 Jy/beam ! Combined flux in latest and established models = 0.908201 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 191 components and 0.908201 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374278Jy sigma=0.001047 ! Fit after self-cal, rms=0.374271Jy sigma=0.001047 ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374271Jy sigma=0.001047 ! Fit after self-cal, rms=0.855402Jy sigma=0.001047 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 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=0.8485 mas, bmaj=0.9321 mas, bpa=-42.17 degrees ! Estimated noise=1289.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.568686 Jy ! Component: 100 - total flux cleaned = 0.702051 Jy ! Component: 150 - total flux cleaned = 0.759677 Jy ! Component: 200 - total flux cleaned = 0.794274 Jy ! Total flux subtracted in 200 components = 0.794274 Jy ! Clean residual min=-0.009832 max=0.018562 Jy/beam ! Clean residual mean=0.000192 rms=0.002848 Jy/beam ! Combined flux in latest and established models = 0.794274 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 0.794274 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.126 mas, bmaj=1.327 mas, bpa=-53.6 degrees ! Estimated noise=492.224 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 = 0.0369221 Jy ! Component: 100 - total flux cleaned = 0.0583939 Jy ! Component: 150 - total flux cleaned = 0.0721317 Jy ! Component: 200 - total flux cleaned = 0.0813806 Jy ! Total flux subtracted in 200 components = 0.0813806 Jy ! Clean residual min=-0.003541 max=0.005065 Jy/beam ! Clean residual mean=0.000398 rms=0.001152 Jy/beam ! Combined flux in latest and established models = 0.875654 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 37 components and 0.875654 Jy ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00641633 Jy ! Component: 100 - total flux cleaned = 0.0113369 Jy ! Component: 150 - total flux cleaned = 0.0152947 Jy ! Component: 200 - total flux cleaned = 0.0185768 Jy ! Total flux subtracted in 200 components = 0.0185768 Jy ! Clean residual min=-0.002883 max=0.003074 Jy/beam ! Clean residual mean=0.000200 rms=0.000748 Jy/beam ! Combined flux in latest and established models = 0.894231 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 56 components and 0.894231 Jy ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 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 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=2.317 mas, bmaj=3.141 mas, bpa=-72.92 degrees ! Estimated noise=547.758 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00366708 Jy ! Component: 100 - total flux cleaned = 0.0053237 Jy ! Component: 150 - total flux cleaned = 0.00646568 Jy ! Component: 200 - total flux cleaned = 0.00746363 Jy ! Total flux subtracted in 200 components = 0.00746363 Jy ! Clean residual min=-0.002353 max=0.002636 Jy/beam ! Clean residual mean=0.000246 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.901695 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 = 0.000808175 Jy ! Component: 100 - total flux cleaned = 0.00152541 Jy ! Component: 150 - total flux cleaned = 0.00222081 Jy ! Component: 200 - total flux cleaned = 0.00279028 Jy ! Total flux subtracted in 200 components = 0.00279028 Jy ! Clean residual min=-0.001954 max=0.002087 Jy/beam ! Clean residual mean=0.000188 rms=0.000635 Jy/beam ! Combined flux in latest and established models = 0.904485 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 114 components and 0.904485 Jy ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! Estimated beam: bmin=1.126 mas, bmaj=1.327 mas, bpa=-53.6 degrees ! Estimated noise=492.224 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000232513 Jy ! Component: 100 - total flux cleaned = 5.43525e-05 Jy ! Component: 150 - total flux cleaned = 0.000375006 Jy ! Component: 200 - total flux cleaned = 0.000736584 Jy ! Total flux subtracted in 200 components = 0.000736584 Jy ! Clean residual min=-0.002274 max=0.002246 Jy/beam ! Clean residual mean=0.000081 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.905222 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 129 components and 0.905222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.855466Jy sigma=0.001048 ! Fit after self-cal, rms=0.855524Jy sigma=0.001047 wmodel J1637+4717_X_2008_04_02_pus_map.mod ! Writing 129 model components to file: J1637+4717_X_2008_04_02_pus_map.mod wobs J1637+4717_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1637+4717_X_2008_04_02_pus_uvs.fits wwins J1637+4717_X_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J1637+4717_X_2008_04_02_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 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000281849 Jy ! Component: 100 - total flux cleaned = 0.000354487 Jy ! Component: 150 - total flux cleaned = 0.000491633 Jy ! Component: 200 - total flux cleaned = 0.000855731 Jy ! Component: 250 - total flux cleaned = 0.00108022 Jy ! Component: 300 - total flux cleaned = 0.00142237 Jy ! Component: 350 - total flux cleaned = 0.0014523 Jy ! Component: 400 - total flux cleaned = 0.00163154 Jy ! Component: 450 - total flux cleaned = 0.00177771 Jy ! Component: 500 - total flux cleaned = 0.00194938 Jy ! Component: 550 - total flux cleaned = 0.00214599 Jy ! Component: 600 - total flux cleaned = 0.00239311 Jy ! Component: 650 - total flux cleaned = 0.00247382 Jy ! Component: 700 - total flux cleaned = 0.00260775 Jy ! Component: 750 - total flux cleaned = 0.00279134 Jy ! Component: 800 - total flux cleaned = 0.00292017 Jy ! Component: 850 - total flux cleaned = 0.00304732 Jy ! Component: 900 - total flux cleaned = 0.00324777 Jy ! Component: 950 - total flux cleaned = 0.00329729 Jy ! Component: 1000 - total flux cleaned = 0.00344389 Jy ! Component: 1050 - total flux cleaned = 0.00351589 Jy ! Component: 1100 - total flux cleaned = 0.00361108 Jy ! Component: 1150 - total flux cleaned = 0.0037283 Jy ! Component: 1200 - total flux cleaned = 0.00382081 Jy ! Component: 1250 - total flux cleaned = 0.00386669 Jy ! Component: 1300 - total flux cleaned = 0.00393478 Jy ! Component: 1350 - total flux cleaned = 0.00393486 Jy ! Component: 1400 - total flux cleaned = 0.00406798 Jy ! Component: 1450 - total flux cleaned = 0.00402415 Jy ! Component: 1500 - total flux cleaned = 0.00408979 Jy ! Component: 1550 - total flux cleaned = 0.00413282 Jy ! Component: 1600 - total flux cleaned = 0.00417537 Jy ! Component: 1650 - total flux cleaned = 0.00421748 Jy ! Component: 1700 - total flux cleaned = 0.00423832 Jy ! Component: 1750 - total flux cleaned = 0.00432123 Jy ! Component: 1800 - total flux cleaned = 0.00432116 Jy ! Component: 1850 - total flux cleaned = 0.00440317 Jy ! Component: 1900 - total flux cleaned = 0.004383 Jy ! Component: 1950 - total flux cleaned = 0.00452384 Jy ! Component: 2000 - total flux cleaned = 0.00452389 Jy ! Total flux subtracted in 2048 components = 0.0045833 Jy ! Clean residual min=-0.001281 max=0.001266 Jy/beam ! Clean residual mean=0.000031 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.909805 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 270 components and 0.909805 Jy wmap "J1637+4717_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.126 x 1.327 at -53.6 degrees (North through East) ! Clean map min=-0.0027027 max=0.74879 Jy/beam ! Writing clean map to FITS file: J1637+4717_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.74879 invert ! Inverting map ! Your choice of large map pixels excluded 2.95% of the data. ! The x-axis pixel size should ideally be below 0.1771 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000356996 device "J1637+4717_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1637+4717_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.143029 0.143029 0.286059 0.572117 1.14423 2.28847 4.57694 9.15388 18.3078 36.6155 73.231 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.748 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.126 x 1.327 at -53.6 degrees (North through East) ! Clean map min=-0.0027027 max=0.74879 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1637+4717_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1637+4717_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1637+4717_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:51:19 2010