! Started logfile: J1957-3845_X_2003_06_18_pus_uvs.log on Fri Jan 19 23:02:01 2007 obs J1957-3845_X_2003_06_18_pus_uve.fits ! Reading UV FITS file: J1957-3845_X_2003_06_18_pus_uve.fits ! AN table 1: 9 integrations on 153 of 153 possible baselines. ! AN table 2: 72 integrations on 153 of 153 possible baselines. ! AN table 3: 3 integrations on 153 of 153 possible baselines. ! AN table 4: 58 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0311608 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 2239 lines of history. ! ! Reading 2708 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 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 162 telescope corrections were flagged in sub-array 1. ! A total of 1258 telescope corrections were flagged in sub-array 2. ! A total of 39 telescope corrections were flagged in sub-array 3. ! A total of 910 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 162 telescope corrections were flagged in sub-array 1. ! A total of 1258 telescope corrections were flagged in sub-array 2. ! A total of 39 telescope corrections were flagged in sub-array 3. ! A total of 909 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 162 telescope corrections were flagged in sub-array 1. ! A total of 1260 telescope corrections were flagged in sub-array 2. ! A total of 39 telescope corrections were flagged in sub-array 3. ! A total of 908 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 162 telescope corrections were flagged in sub-array 1. ! A total of 1263 telescope corrections were flagged in sub-array 2. ! A total of 39 telescope corrections were flagged in sub-array 3. ! A total of 910 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=2.085844Jy sigma=55.757923 ! Fit after self-cal, rms=1.390189Jy sigma=25.789976 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.7081 mas, bmaj=2.464 mas, bpa=-13.67 degrees ! Estimated noise=2.75299 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.73405 Jy ! Component: 100 - total flux cleaned = 2.11548 Jy ! Total flux subtracted in 100 components = 2.11548 Jy ! Clean residual min=-0.077709 max=0.195314 Jy/beam ! Clean residual mean=0.006031 rms=0.031755 Jy/beam ! Combined flux in latest and established models = 2.11548 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 2.11548 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.469696Jy sigma=5.750108 ! Fit after self-cal, rms=0.469668Jy sigma=5.748642 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Added new window around map position (1.6, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.172382 Jy ! Component: 100 - total flux cleaned = 0.269269 Jy ! Total flux subtracted in 100 components = 0.269269 Jy ! Clean residual min=-0.085446 max=0.158821 Jy/beam ! Clean residual mean=0.003679 rms=0.024658 Jy/beam ! Combined flux in latest and established models = 2.38475 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 2.38475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.372284Jy sigma=4.566169 ! Fit after self-cal, rms=0.363930Jy sigma=4.257963 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.938 mas, bmaj=3.916 mas, bpa=-11.05 degrees ! Estimated noise=1.61897 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 = 0.127837 Jy ! Component: 100 - total flux cleaned = 0.1916 Jy ! Component: 150 - total flux cleaned = 0.224579 Jy ! Component: 200 - total flux cleaned = 0.230552 Jy ! Total flux subtracted in 200 components = 0.230552 Jy ! Clean residual min=-0.057028 max=0.072901 Jy/beam ! Clean residual mean=-0.000731 rms=0.020391 Jy/beam ! Combined flux in latest and established models = 2.6153 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 2.6153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322788Jy sigma=4.299306 ! Fit after self-cal, rms=0.321365Jy sigma=4.265461 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1908 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 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GG 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.98 MA 1.00* ! MK 1.00* NL 1.07 ON 1.00* OV 0.94 ! PT 1.00 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 GG 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 0.96 MA 1.00* ! MK 1.00* NL 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 0.89 TC 1.00* TS 1.00* ! WF 0.97 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.95 GG 1.00* HN 1.00* ! KK 1.00 KP 1.03 LA 0.98 MA 1.00* ! MK 0.96 NL 1.37 ON 1.00* OV 0.99 ! PT 1.02 SC 1.06 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.00* KP 0.94 LA 1.00 MA 1.00* ! MK 1.00* NL 1.03 ON 1.00* OV 0.95 ! PT 1.04 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GG 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 0.96 MA 1.00* ! MK 1.00* NL 1.00* ON 1.00* OV 1.00* ! PT 1.08 SC 0.84 TC 1.00* TS 1.00* ! WF 1.00 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.95 GG 1.00* HN 1.00* ! KK 1.00 KP 0.95 LA 0.99 MA 1.00* ! MK 0.99 NL 1.32 ON 1.00* OV 0.94 ! PT 1.05 SC 1.06 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GG 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.99 MA 1.00* ! MK 1.00* NL 1.03 ON 1.00* OV 0.97 ! PT 1.06 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.95 GG 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 0.96 MA 1.00* ! MK 1.00* NL 1.00* ON 1.00* OV 1.00* ! PT 1.14 SC 0.87 TC 1.00* TS 1.00* ! WF 0.95 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.01 KP 0.99 LA 0.99 MA 1.00* ! MK 1.02 NL 1.24 ON 1.00* OV 1.03 ! PT 1.05 SC 1.08 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.91 GG 1.00* HN 1.00* ! KK 1.00* KP 0.93 LA 0.97 MA 1.00* ! MK 1.00* NL 1.03 ON 1.00* OV 0.97 ! PT 1.07 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 0.98 MA 1.00* ! MK 1.00* NL 1.00* ON 1.00* OV 1.00* ! PT 1.13 SC 0.92 TC 1.00* TS 1.00* ! WF 0.93 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.04 KP 0.96 LA 0.96 MA 1.00* ! MK 1.02 NL 1.24 ON 1.00* OV 0.98 ! PT 1.07 SC 1.12 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.321365Jy sigma=4.265461 ! Fit after self-cal, rms=0.237144Jy sigma=2.217227 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.9503 mas, bmaj=3.96 mas, bpa=-11.01 degrees ! Estimated noise=1.63136 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 = -0.0151193 Jy ! Component: 100 - total flux cleaned = -0.0161107 Jy ! Component: 150 - total flux cleaned = -0.017459 Jy ! Component: 200 - total flux cleaned = -0.0192446 Jy ! Total flux subtracted in 200 components = -0.0192446 Jy ! Clean residual min=-0.033851 max=0.031162 Jy/beam ! Clean residual mean=0.000173 rms=0.011168 Jy/beam ! Combined flux in latest and established models = 2.59605 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 50 components and 2.59605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229074Jy sigma=2.153134 ! Fit after self-cal, rms=0.227552Jy sigma=2.111445 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 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=0.227552Jy sigma=2.111445 ! Fit after self-cal, rms=0.202688Jy sigma=1.721038 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.9508 mas, bmaj=3.955 mas, bpa=-10.94 degrees ! Estimated noise=1.63578 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00115151 Jy ! Component: 100 - total flux cleaned = 6.72076e-05 Jy ! Component: 150 - total flux cleaned = 0.00112542 Jy ! Component: 200 - total flux cleaned = 0.00159138 Jy ! Total flux subtracted in 200 components = 0.00159138 Jy ! Clean residual min=-0.017091 max=0.022833 Jy/beam ! Clean residual mean=0.001395 rms=0.006772 Jy/beam ! Combined flux in latest and established models = 2.59764 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 60 components and 2.59764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197617Jy sigma=1.682931 ! Fit after self-cal, rms=0.196707Jy sigma=1.671241 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 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 = -0.00424312 Jy ! Component: 100 - total flux cleaned = -0.00385252 Jy ! Component: 150 - total flux cleaned = -0.00414849 Jy ! Component: 200 - total flux cleaned = -0.00442952 Jy ! Total flux subtracted in 200 components = -0.00442952 Jy ! Clean residual min=-0.016483 max=0.022242 Jy/beam ! Clean residual mean=0.001575 rms=0.006653 Jy/beam ! Combined flux in latest and established models = 2.59321 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 63 components and 2.59321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194680Jy sigma=1.660555 ! Fit after self-cal, rms=0.194294Jy sigma=1.657559 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 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=0.194294Jy sigma=1.657559 ! Fit after self-cal, rms=0.173019Jy sigma=1.199229 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.952 mas, bmaj=3.974 mas, bpa=-10.96 degrees ! Estimated noise=1.63451 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0162477 Jy ! Component: 100 - total flux cleaned = -0.0182103 Jy ! Component: 150 - total flux cleaned = -0.019552 Jy ! Component: 200 - total flux cleaned = -0.0200124 Jy ! Total flux subtracted in 200 components = -0.0200124 Jy ! Clean residual min=-0.010483 max=0.011679 Jy/beam ! Clean residual mean=0.000458 rms=0.003442 Jy/beam ! Combined flux in latest and established models = 2.5732 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 68 components and 2.5732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170036Jy sigma=1.197598 ! Fit after self-cal, rms=0.169505Jy sigma=1.183526 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 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 = -0.00404334 Jy ! Component: 100 - total flux cleaned = -0.00404057 Jy ! Component: 150 - total flux cleaned = -0.00442097 Jy ! Component: 200 - total flux cleaned = -0.00459405 Jy ! Total flux subtracted in 200 components = -0.00459405 Jy ! Clean residual min=-0.010298 max=0.011804 Jy/beam ! Clean residual mean=0.000637 rms=0.003514 Jy/beam ! Combined flux in latest and established models = 2.56861 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 69 components and 2.56861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168481Jy sigma=1.193518 ! Fit after self-cal, rms=0.168211Jy sigma=1.189483 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 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=0.168211Jy sigma=1.189483 ! Fit after self-cal, rms=0.167509Jy sigma=1.142637 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=2.99 mas, bmaj=9.465 mas, bpa=-1.454 degrees ! Estimated noise=1.8219 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0104201 Jy ! Component: 100 - total flux cleaned = -0.0137288 Jy ! Component: 150 - total flux cleaned = -0.0140188 Jy ! Component: 200 - total flux cleaned = -0.0141954 Jy ! Total flux subtracted in 200 components = -0.0141954 Jy ! Clean residual min=-0.008705 max=0.009367 Jy/beam ! Clean residual mean=0.000561 rms=0.003496 Jy/beam ! Combined flux in latest and established models = 2.55441 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 74 components and 2.55441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166705Jy sigma=1.144070 ! Fit after self-cal, rms=0.166493Jy sigma=1.136806 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 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 = -0.00281184 Jy ! Component: 100 - total flux cleaned = -0.00281921 Jy ! Component: 150 - total flux cleaned = -0.00273477 Jy ! Component: 200 - total flux cleaned = -0.00258071 Jy ! Total flux subtracted in 200 components = -0.00258071 Jy ! Clean residual min=-0.008668 max=0.010346 Jy/beam ! Clean residual mean=0.000728 rms=0.003664 Jy/beam ! Combined flux in latest and established models = 2.55183 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 77 components and 2.55183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166579Jy sigma=1.142014 ! Fit after self-cal, rms=0.166512Jy sigma=1.140110 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.9525 mas, bmaj=3.98 mas, bpa=-10.97 degrees ! Estimated noise=1.63094 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9525 x 3.98 at -10.97 degrees (North through East) ! Clean map min=-0.024999 max=2.256 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=0.166512Jy sigma=1.140110 ! Fit after self-cal, rms=0.132246Jy sigma=0.745780 ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.9537 mas, bmaj=3.986 mas, bpa=-11.04 degrees ! Estimated noise=1.63051 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00552081 Jy ! Component: 100 - total flux cleaned = -0.00650552 Jy ! Component: 150 - total flux cleaned = -0.00690923 Jy ! Component: 200 - total flux cleaned = -0.00708639 Jy ! Total flux subtracted in 200 components = -0.00708639 Jy ! Clean residual min=-0.008634 max=0.009796 Jy/beam ! Clean residual mean=0.000292 rms=0.002599 Jy/beam ! Combined flux in latest and established models = 2.54474 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 80 components and 2.54474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130632Jy sigma=0.743497 ! Fit after self-cal, rms=0.130237Jy sigma=0.736687 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00116546 Jy ! Component: 100 - total flux cleaned = -0.00116399 Jy ! Component: 150 - total flux cleaned = -0.00101959 Jy ! Component: 200 - total flux cleaned = -0.000886252 Jy ! Total flux subtracted in 200 components = -0.000886252 Jy ! Clean residual min=-0.008388 max=0.010026 Jy/beam ! Clean residual mean=0.000328 rms=0.002617 Jy/beam ! Combined flux in latest and established models = 2.54386 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 80 components and 2.54386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129565Jy sigma=0.737140 ! Fit after self-cal, rms=0.129353Jy sigma=0.734942 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129353Jy sigma=0.734942 ! Fit after self-cal, rms=0.129123Jy sigma=0.722085 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.7185 mas, bmaj=2.492 mas, bpa=-13.65 degrees ! Estimated noise=2.80934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.76819 Jy ! Component: 100 - total flux cleaned = 2.15714 Jy ! Component: 150 - total flux cleaned = 2.28691 Jy ! Component: 200 - total flux cleaned = 2.36243 Jy ! Total flux subtracted in 200 components = 2.36243 Jy ! Clean residual min=-0.035493 max=0.041240 Jy/beam ! Clean residual mean=0.001612 rms=0.009816 Jy/beam ! Combined flux in latest and established models = 2.36243 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 25 model components to the UV plane model. ! The established model now contains 25 components and 2.36243 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.9536 mas, bmaj=3.988 mas, bpa=-11.06 degrees ! Estimated noise=1.62845 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 = 0.0969862 Jy ! Component: 100 - total flux cleaned = 0.141517 Jy ! Component: 150 - total flux cleaned = 0.163594 Jy ! Component: 200 - total flux cleaned = 0.165822 Jy ! Total flux subtracted in 200 components = 0.165822 Jy ! Clean residual min=-0.009047 max=0.013757 Jy/beam ! Clean residual mean=0.000577 rms=0.004023 Jy/beam ! Combined flux in latest and established models = 2.52826 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 51 components and 2.52825 Jy ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=2.994 mas, bmaj=9.475 mas, bpa=-1.511 degrees ! Estimated noise=1.81725 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00951947 Jy ! Component: 100 - total flux cleaned = 0.00973734 Jy ! Component: 150 - total flux cleaned = 0.00988127 Jy ! Component: 200 - total flux cleaned = 0.0100001 Jy ! Total flux subtracted in 200 components = 0.0100001 Jy ! Clean residual min=-0.007312 max=0.011546 Jy/beam ! Clean residual mean=0.000356 rms=0.003534 Jy/beam ! Combined flux in latest and established models = 2.53826 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 = -1.8029e-06 Jy ! Component: 100 - total flux cleaned = 0.000130558 Jy ! Component: 150 - total flux cleaned = 0.000252268 Jy ! Component: 200 - total flux cleaned = 0.000251602 Jy ! Total flux subtracted in 200 components = 0.000251602 Jy ! Clean residual min=-0.006914 max=0.010952 Jy/beam ! Clean residual mean=0.000341 rms=0.003349 Jy/beam ! Combined flux in latest and established models = 2.53851 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 58 components and 2.53851 Jy ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! Estimated beam: bmin=0.9536 mas, bmaj=3.988 mas, bpa=-11.06 degrees ! Estimated noise=1.62845 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00264546 Jy ! Component: 100 - total flux cleaned = -0.00354788 Jy ! Component: 150 - total flux cleaned = -0.00381619 Jy ! Component: 200 - total flux cleaned = -0.00427528 Jy ! Total flux subtracted in 200 components = -0.00427528 Jy ! Clean residual min=-0.006896 max=0.009616 Jy/beam ! Clean residual mean=0.000367 rms=0.002852 Jy/beam ! Combined flux in latest and established models = 2.53423 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 61 components and 2.53423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129938Jy sigma=0.780956 ! Fit after self-cal, rms=0.128676Jy sigma=0.765959 wmodel J1957-3845_X_2003_06_18_pus_map.mod ! Writing 61 model components to file: J1957-3845_X_2003_06_18_pus_map.mod wobs J1957-3845_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2003_06_18_pus_uvs.fits wwins J1957-3845_X_2003_06_18_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_X_2003_06_18_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00464635 Jy ! Component: 100 - total flux cleaned = 0.00813394 Jy ! Component: 150 - total flux cleaned = 0.00970746 Jy ! Component: 200 - total flux cleaned = 0.0104731 Jy ! Component: 250 - total flux cleaned = 0.0103788 Jy ! Component: 300 - total flux cleaned = 0.0100989 Jy ! Component: 350 - total flux cleaned = 0.00956685 Jy ! Component: 400 - total flux cleaned = 0.00922492 Jy ! Component: 450 - total flux cleaned = 0.00864886 Jy ! Component: 500 - total flux cleaned = 0.0083298 Jy ! Component: 550 - total flux cleaned = 0.00825289 Jy ! Component: 600 - total flux cleaned = 0.00817703 Jy ! Component: 650 - total flux cleaned = 0.00795467 Jy ! Component: 700 - total flux cleaned = 0.00773699 Jy ! Component: 750 - total flux cleaned = 0.00759551 Jy ! Component: 800 - total flux cleaned = 0.00773572 Jy ! Component: 850 - total flux cleaned = 0.0075974 Jy ! Component: 900 - total flux cleaned = 0.00773405 Jy ! Component: 950 - total flux cleaned = 0.00780167 Jy ! Component: 1000 - total flux cleaned = 0.00800081 Jy ! Total flux subtracted in 1024 components = 0.00786902 Jy ! Clean residual min=-0.003637 max=0.003298 Jy/beam ! Clean residual mean=-0.000002 rms=0.001378 Jy/beam ! Combined flux in latest and established models = 2.5421 Jy keep ! Adding 64 model components to the UV plane model. ! The established model now contains 124 components and 2.5421 Jy wmap "J1957-3845_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9536 x 3.988 at -11.06 degrees (North through East) ! Clean map min=-0.017553 max=2.2778 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.27777 invert ! Inverting map ! Your choice of large map pixels excluded 0.649% of the data. ! The x-axis pixel size should ideally be below 0.1908 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00138341 device "J1957-3845_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2003_06_18_pus_map.eps/VPS' loglevs 0.364 ! The new contour levels are: ! -0.364 0.364 0.728 1.456 2.912 5.824 11.648 23.296 46.592 93.184 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0041 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.277 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9536 x 3.988 at -11.06 degrees (North through East) ! Clean map min=-0.017553 max=2.2778 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_2003_06_18_pus_uvs.log closed on Fri Jan 19 23:02:38 2007