! Started logfile: J2246-1206_X_1999_05_10_pus_uvs.log on Tue Jan 15 17:13:05 2008 obs J2246-1206_X_1999_05_10_pus_uva.fits ! Reading UV FITS file: J2246-1206_X_1999_05_10_pus_uva.fits ! AN table 1: 103 integrations on 153 of 153 possible baselines. ! AN table 2: 127 integrations on 153 of 153 possible baselines. ! AN table 3: 103 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.150503 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2246-1206 ! ! 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 1763 lines of history. ! ! Reading 30672 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2246-1206_X_1999_05_10_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 954 telescope corrections were flagged in sub-array 1. ! A total of 1818 telescope corrections were flagged in sub-array 2. ! A total of 1385 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 869 telescope corrections were flagged in sub-array 1. ! A total of 1805 telescope corrections were flagged in sub-array 2. ! A total of 1382 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 866 telescope corrections were flagged in sub-array 1. ! A total of 1799 telescope corrections were flagged in sub-array 2. ! A total of 1379 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 916 telescope corrections were flagged in sub-array 1. ! A total of 1884 telescope corrections were flagged in sub-array 2. ! A total of 1485 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.041931Jy sigma=0.008866 ! Fit after self-cal, rms=0.516368Jy sigma=0.005343 ! 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 4.1% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.5719 mas, bmaj=1.22 mas, bpa=-4.166 degrees ! Estimated noise=916.269 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 = 0.987928 Jy ! Component: 100 - total flux cleaned = 1.2638 Jy ! Total flux subtracted in 100 components = 1.2638 Jy ! Clean residual min=-0.034197 max=0.143171 Jy/beam ! Clean residual mean=0.003088 rms=0.015350 Jy/beam ! Combined flux in latest and established models = 1.2638 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.2638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380277Jy sigma=0.003751 ! Fit after self-cal, rms=0.380067Jy sigma=0.003749 ! Inverting map ! Your choice of large map pixels excluded 4.1% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Added new window around map position (0, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.155398 Jy ! Component: 100 - total flux cleaned = 0.253786 Jy ! Total flux subtracted in 100 components = 0.253786 Jy ! Clean residual min=-0.025617 max=0.071099 Jy/beam ! Clean residual mean=0.001791 rms=0.009785 Jy/beam ! Combined flux in latest and established models = 1.51758 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 1.51758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292863Jy sigma=0.002576 ! Fit after self-cal, rms=0.291721Jy sigma=0.002568 ! Inverting map ! Your choice of large map pixels excluded 4.1% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Added new window around map position (0.8, 3.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0744279 Jy ! Component: 100 - total flux cleaned = 0.127021 Jy ! Total flux subtracted in 100 components = 0.127021 Jy ! Clean residual min=-0.023464 max=0.043536 Jy/beam ! Clean residual mean=0.001191 rms=0.007657 Jy/beam ! Combined flux in latest and established models = 1.6446 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 37 components and 1.6446 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266563Jy sigma=0.002142 ! Fit after self-cal, rms=0.265728Jy sigma=0.002135 ! Inverting map ! Your choice of large map pixels excluded 4.1% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 4.1% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.6841 mas, bmaj=1.707 mas, bpa=-4.435 degrees ! Estimated noise=482.367 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 = 0.0719039 Jy ! Component: 100 - total flux cleaned = 0.111011 Jy ! Component: 150 - total flux cleaned = 0.135595 Jy ! Component: 200 - total flux cleaned = 0.14717 Jy ! Total flux subtracted in 200 components = 0.14717 Jy ! Clean residual min=-0.021425 max=0.031491 Jy/beam ! Clean residual mean=0.001712 rms=0.007687 Jy/beam ! Combined flux in latest and established models = 1.79177 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 1.79177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252800Jy sigma=0.001847 ! Fit after self-cal, rms=0.250785Jy sigma=0.001823 ! Inverting map ! Your choice of large map pixels excluded 4.1% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 0.96 GC 1.00* HH 0.99 ! HN 0.99 KK 1.00* KP 1.01 LA 0.99 ! MC 1.07 MK 1.12 NL 1.09 NY 1.00* ! ON 1.12 OV 0.96 PT 1.04 SC 1.08 ! WF 1.41 WZ 1.11 ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.94 GC 1.00* HH 0.95 ! HN 1.12 KK 0.90 KP 0.98 LA 0.97 ! MC 1.03 MK 0.95 NL 1.09 NY 1.00* ! ON 0.95 OV 0.98 PT 0.99 SC 1.18 ! WF 1.20 WZ 1.08 ! ! A total of 93 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.95 GC 1.00* HH 0.80 ! HN 1.00* KK 0.95 KP 0.99 LA 0.96 ! MC 1.19 MK 0.97 NL 1.08 NY 1.00* ! ON 1.28 OV 0.96 PT 1.02 SC 1.04 ! WF 1.04 WZ 1.20 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 GC 1.00* HH 0.97 ! HN 0.97 KK 1.00* KP 1.03 LA 0.99 ! MC 1.07 MK 1.02 NL 1.03 NY 1.00* ! ON 1.11 OV 0.95 PT 0.95 SC 1.06 ! WF 1.06 WZ 1.11 ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.87 GC 1.00* HH 0.88 ! HN 1.11 KK 0.92 KP 0.89 LA 0.98 ! MC 1.08 MK 0.96 NL 1.04 NY 1.00* ! ON 0.90 OV 0.96 PT 0.92 SC 1.13 ! WF 1.14 WZ 1.07 ! ! A total of 96 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.94 GC 1.00* HH 0.81 ! HN 1.00* KK 0.96 KP 1.01 LA 0.95 ! MC 1.26 MK 0.97 NL 1.03 NY 1.00* ! ON 1.33 OV 0.94 PT 0.93 SC 1.03 ! WF 1.05 WZ 1.11 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 GC 1.00* HH 0.99 ! HN 0.99 KK 1.00* KP 1.05 LA 0.99 ! MC 1.13 MK 0.99 NL 1.02 NY 1.00* ! ON 1.12 OV 0.97 PT 0.96 SC 1.07 ! WF 1.05 WZ 1.13 ! ! A total of 111 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.89 GC 1.00* HH 0.83 ! HN 1.10 KK 0.97 KP 0.90 LA 0.97 ! MC 1.10 MK 0.97 NL 1.05 NY 1.00* ! ON 0.98 OV 0.98 PT 0.92 SC 1.17 ! WF 1.14 WZ 1.10 ! ! A total of 99 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.96 GC 1.00* HH 0.84 ! HN 1.00* KK 1.01 KP 1.03 LA 0.96 ! MC 1.25 MK 0.96 NL 1.02 NY 1.00* ! ON 1.40 OV 0.97 PT 0.94 SC 1.03 ! WF 1.07 WZ 1.21 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.95 GC 1.00* HH 1.06 ! HN 0.99 KK 1.00* KP 1.03 LA 1.01 ! MC 1.08 MK 1.00 NL 1.04 NY 1.00* ! ON 1.14 OV 0.98 PT 0.99 SC 1.03 ! WF 1.05 WZ 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.88 GC 1.00* HH 1.03 ! HN 1.11 KK 0.95 KP 0.89 LA 1.00 ! MC 1.07 MK 0.96 NL 1.04 NY 1.00* ! ON 0.98 OV 0.99 PT 0.95 SC 1.10 ! WF 1.10 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.01 LA 0.97 ! MC 1.00* MK 0.97 NL 1.03 NY 1.00* ! ON 1.00* OV 0.96 PT 0.97 SC 0.99 ! WF 1.05 WZ 1.00* ! ! ! Fit before self-cal, rms=0.250785Jy sigma=0.001823 ! Fit after self-cal, rms=0.233881Jy sigma=0.001481 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.7004 mas, bmaj=1.822 mas, bpa=-4.329 degrees ! Estimated noise=488.508 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 = -7.23317e-06 Jy ! Component: 100 - total flux cleaned = -0.00128145 Jy ! Component: 150 - total flux cleaned = -0.000971644 Jy ! Component: 200 - total flux cleaned = -0.00070442 Jy ! Total flux subtracted in 200 components = -0.00070442 Jy ! Clean residual min=-0.011016 max=0.022606 Jy/beam ! Clean residual mean=0.000418 rms=0.004374 Jy/beam ! Combined flux in latest and established models = 1.79107 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 55 components and 1.79107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232127Jy sigma=0.001461 ! Fit after self-cal, rms=0.231907Jy sigma=0.001459 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Added new window around map position (5.6, 9.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0221168 Jy ! Component: 100 - total flux cleaned = 0.0344412 Jy ! Component: 150 - total flux cleaned = 0.042968 Jy ! Component: 200 - total flux cleaned = 0.0464484 Jy ! Total flux subtracted in 200 components = 0.0464484 Jy ! Clean residual min=-0.010035 max=0.012297 Jy/beam ! Clean residual mean=-0.000113 rms=0.002803 Jy/beam ! Combined flux in latest and established models = 1.83752 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 69 components and 1.83752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230099Jy sigma=0.001423 ! Fit after self-cal, rms=0.229886Jy sigma=0.001420 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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=0.229886Jy sigma=0.001420 ! Fit after self-cal, rms=0.229832Jy sigma=0.001406 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.7036 mas, bmaj=1.824 mas, bpa=-4.264 degrees ! Estimated noise=487.753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00160946 Jy ! Component: 100 - total flux cleaned = 0.00202097 Jy ! Component: 150 - total flux cleaned = 0.00443377 Jy ! Component: 200 - total flux cleaned = 0.00584603 Jy ! Total flux subtracted in 200 components = 0.00584603 Jy ! Clean residual min=-0.008593 max=0.011423 Jy/beam ! Clean residual mean=0.000048 rms=0.002411 Jy/beam ! Combined flux in latest and established models = 1.84336 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 78 components and 1.84336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228921Jy sigma=0.001395 ! Fit after self-cal, rms=0.228811Jy sigma=0.001394 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 (1.8, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00662757 Jy ! Component: 100 - total flux cleaned = 0.00725823 Jy ! Component: 150 - total flux cleaned = 0.00821331 Jy ! Component: 200 - total flux cleaned = 0.00906922 Jy ! Total flux subtracted in 200 components = 0.00906922 Jy ! Clean residual min=-0.008076 max=0.007987 Jy/beam ! Clean residual mean=-0.000132 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 1.85243 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 92 components and 1.85243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228089Jy sigma=0.001383 ! Fit after self-cal, rms=0.227981Jy sigma=0.001382 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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=0.227981Jy sigma=0.001382 ! Fit after self-cal, rms=0.228083Jy sigma=0.001379 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.7059 mas, bmaj=1.826 mas, bpa=-4.233 degrees ! Estimated noise=486.974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00223069 Jy ! Component: 100 - total flux cleaned = -0.00100523 Jy ! Component: 150 - total flux cleaned = 0.000315981 Jy ! Component: 200 - total flux cleaned = 0.0017034 Jy ! Total flux subtracted in 200 components = 0.0017034 Jy ! Clean residual min=-0.007199 max=0.007782 Jy/beam ! Clean residual mean=-0.000037 rms=0.001903 Jy/beam ! Combined flux in latest and established models = 1.85414 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 96 components and 1.85414 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227434Jy sigma=0.001372 ! Fit after self-cal, rms=0.227375Jy sigma=0.001371 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 = 0.00157166 Jy ! Component: 100 - total flux cleaned = 0.00266632 Jy ! Component: 150 - total flux cleaned = 0.00333282 Jy ! Component: 200 - total flux cleaned = 0.00394239 Jy ! Total flux subtracted in 200 components = 0.00394239 Jy ! Clean residual min=-0.006738 max=0.006919 Jy/beam ! Clean residual mean=-0.000098 rms=0.001816 Jy/beam ! Combined flux in latest and established models = 1.85808 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 98 components and 1.85808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227116Jy sigma=0.001368 ! Fit after self-cal, rms=0.227081Jy sigma=0.001368 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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=0.227081Jy sigma=0.001368 ! Fit after self-cal, rms=0.227277Jy sigma=0.001365 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=2.341 mas, bmaj=3.854 mas, bpa=-2.168 degrees ! Estimated noise=587.011 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00106291 Jy ! Component: 100 - total flux cleaned = 0.00101295 Jy ! Component: 150 - total flux cleaned = 0.00251753 Jy ! Component: 200 - total flux cleaned = 0.00360797 Jy ! Total flux subtracted in 200 components = 0.00360797 Jy ! Clean residual min=-0.005849 max=0.005679 Jy/beam ! Clean residual mean=-0.000193 rms=0.002054 Jy/beam ! Combined flux in latest and established models = 1.86169 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 109 components and 1.86169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227335Jy sigma=0.001364 ! Fit after self-cal, rms=0.227224Jy sigma=0.001363 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 = 0.000520275 Jy ! Component: 100 - total flux cleaned = 0.001097 Jy ! Component: 150 - total flux cleaned = 0.00197267 Jy ! Component: 200 - total flux cleaned = 0.00226217 Jy ! Total flux subtracted in 200 components = 0.00226217 Jy ! Clean residual min=-0.005999 max=0.005809 Jy/beam ! Clean residual mean=-0.000283 rms=0.002078 Jy/beam ! Combined flux in latest and established models = 1.86395 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 115 components and 1.86395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227208Jy sigma=0.001363 ! Fit after self-cal, rms=0.227164Jy sigma=0.001362 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.708 mas, bmaj=1.829 mas, bpa=-4.222 degrees ! Estimated noise=486.592 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.708 x 1.829 at -4.222 degrees (North through East) ! Clean map min=-0.0055832 max=1.2681 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=0.227164Jy sigma=0.001362 ! Fit after self-cal, rms=0.238756Jy sigma=0.001178 ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.7081 mas, bmaj=1.83 mas, bpa=-4.264 degrees ! Estimated noise=484.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00461281 Jy ! Component: 100 - total flux cleaned = -0.00458495 Jy ! Component: 150 - total flux cleaned = -0.00503161 Jy ! Component: 200 - total flux cleaned = -0.00530269 Jy ! Total flux subtracted in 200 components = -0.00530269 Jy ! Clean residual min=-0.005822 max=0.005299 Jy/beam ! Clean residual mean=-0.000092 rms=0.001457 Jy/beam ! Combined flux in latest and established models = 1.85864 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 123 components and 1.85864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238357Jy sigma=0.001174 ! Fit after self-cal, rms=0.238362Jy sigma=0.001174 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026893 Jy ! Component: 100 - total flux cleaned = 0.000257641 Jy ! Component: 150 - total flux cleaned = 0.000256995 Jy ! Component: 200 - total flux cleaned = 0.000362215 Jy ! Total flux subtracted in 200 components = 0.000362215 Jy ! Clean residual min=-0.005502 max=0.005170 Jy/beam ! Clean residual mean=-0.000100 rms=0.001426 Jy/beam ! Combined flux in latest and established models = 1.85901 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 132 components and 1.85901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238226Jy sigma=0.001173 ! Fit after self-cal, rms=0.238212Jy sigma=0.001172 ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238212Jy sigma=0.001172 ! Fit after self-cal, rms=0.238856Jy sigma=0.001171 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 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.586 mas, bmaj=1.253 mas, bpa=-3.935 degrees ! Estimated noise=948.632 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.991152 Jy ! Component: 100 - total flux cleaned = 1.27188 Jy ! Component: 150 - total flux cleaned = 1.41545 Jy ! Component: 200 - total flux cleaned = 1.50423 Jy ! Total flux subtracted in 200 components = 1.50423 Jy ! Clean residual min=-0.017496 max=0.046720 Jy/beam ! Clean residual mean=0.001505 rms=0.006684 Jy/beam ! Combined flux in latest and established models = 1.50423 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 18 model components to the UV plane model. ! The established model now contains 18 components and 1.50423 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.7099 mas, bmaj=1.831 mas, bpa=-4.251 degrees ! Estimated noise=484.588 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 = 0.1092 Jy ! Component: 100 - total flux cleaned = 0.172799 Jy ! Component: 150 - total flux cleaned = 0.211689 Jy ! Component: 200 - total flux cleaned = 0.238976 Jy ! Total flux subtracted in 200 components = 0.238976 Jy ! Clean residual min=-0.010715 max=0.017121 Jy/beam ! Clean residual mean=0.001965 rms=0.004541 Jy/beam ! Combined flux in latest and established models = 1.7432 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 60 components and 1.7432 Jy ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 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 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=2.34 mas, bmaj=3.852 mas, bpa=-2.215 degrees ! Estimated noise=583.111 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0358583 Jy ! Component: 100 - total flux cleaned = 0.0589742 Jy ! Component: 150 - total flux cleaned = 0.074692 Jy ! Component: 200 - total flux cleaned = 0.0856257 Jy ! Total flux subtracted in 200 components = 0.0856257 Jy ! Clean residual min=-0.006691 max=0.007367 Jy/beam ! Clean residual mean=0.000915 rms=0.002864 Jy/beam ! Combined flux in latest and established models = 1.82883 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 = 0.00768245 Jy ! Component: 100 - total flux cleaned = 0.013167 Jy ! Component: 150 - total flux cleaned = 0.017173 Jy ! Component: 200 - total flux cleaned = 0.0201285 Jy ! Total flux subtracted in 200 components = 0.0201285 Jy ! Clean residual min=-0.004826 max=0.004486 Jy/beam ! Clean residual mean=0.000177 rms=0.001826 Jy/beam ! Combined flux in latest and established models = 1.84896 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 133 components and 1.84896 Jy ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! Estimated beam: bmin=0.7099 mas, bmaj=1.831 mas, bpa=-4.251 degrees ! Estimated noise=484.588 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000554267 Jy ! Component: 100 - total flux cleaned = -8.37119e-05 Jy ! Component: 150 - total flux cleaned = 0.000722104 Jy ! Component: 200 - total flux cleaned = 0.00144345 Jy ! Total flux subtracted in 200 components = 0.00144345 Jy ! Clean residual min=-0.005471 max=0.006192 Jy/beam ! Clean residual mean=0.000036 rms=0.001390 Jy/beam ! Combined flux in latest and established models = 1.8504 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 141 components and 1.8504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238971Jy sigma=0.001174 ! Fit after self-cal, rms=0.238899Jy sigma=0.001172 wmodel J2246-1206_X_1999_05_10_pus_map.mod ! Writing 141 model components to file: J2246-1206_X_1999_05_10_pus_map.mod wobs J2246-1206_X_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J2246-1206_X_1999_05_10_pus_uvs.fits wwins J2246-1206_X_1999_05_10_pus_map.win ! wwins: Wrote 5 windows to J2246-1206_X_1999_05_10_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 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000527867 Jy ! Component: 100 - total flux cleaned = -0.000170603 Jy ! Component: 150 - total flux cleaned = -0.000248826 Jy ! Component: 200 - total flux cleaned = -0.000319653 Jy ! Component: 250 - total flux cleaned = -0.000178936 Jy ! Component: 300 - total flux cleaned = -0.000180555 Jy ! Component: 350 - total flux cleaned = -5.04182e-05 Jy ! Component: 400 - total flux cleaned = -5.14818e-05 Jy ! Component: 450 - total flux cleaned = 1.02075e-05 Jy ! Component: 500 - total flux cleaned = 0.000191732 Jy ! Component: 550 - total flux cleaned = 0.00025064 Jy ! Component: 600 - total flux cleaned = 0.000250744 Jy ! Component: 650 - total flux cleaned = 0.000364011 Jy ! Component: 700 - total flux cleaned = 0.000196975 Jy ! Component: 750 - total flux cleaned = 0.000197927 Jy ! Component: 800 - total flux cleaned = 0.000197489 Jy ! Component: 850 - total flux cleaned = -1.3601e-05 Jy ! Component: 900 - total flux cleaned = -0.00011722 Jy ! Component: 950 - total flux cleaned = -0.000117276 Jy ! Component: 1000 - total flux cleaned = -0.000268323 Jy ! Total flux subtracted in 1024 components = -0.000268359 Jy ! Clean residual min=-0.002484 max=0.002586 Jy/beam ! Clean residual mean=0.000059 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 1.85013 Jy keep ! Adding 64 model components to the UV plane model. ! The established model now contains 202 components and 1.85013 Jy ![Exited script file: muppet] wmap "J2246-1206_X_1999_05_10_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7099 x 1.831 at -4.251 degrees (North through East) ! Clean map min=-0.0047838 max=1.2742 Jy/beam ! Writing clean map to FITS file: J2246-1206_X_1999_05_10_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.27418 invert ! Inverting map ! Your choice of large map pixels excluded 4.21% of the data. ! The x-axis pixel size should ideally be below 0.1608 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000976897 device "J2246-1206_X_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_X_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.230005 0.230005 0.460011 0.920022 1.84004 3.68009 7.36018 14.7204 29.4407 58.8814 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.274 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7099 x 1.831 at -4.251 degrees (North through East) ! Clean map min=-0.0047838 max=1.2742 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_X_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_X_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2246-1206_X_1999_05_10_pus_uvs.log closed on Tue Jan 15 17:13:16 2008