! Started logfile: J2246-1206_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:36:56 2007 obs J2246-1206_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J2246-1206_X_2000_05_22_pus_uva.fits ! AN table 1: 170 integrations on 190 of 190 possible baselines. ! AN table 2: 166 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.10766 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 1884 lines of history. ! ! Reading 27492 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_2000_05_22_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 2434 telescope corrections were flagged in sub-array 1. ! A total of 2585 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2434 telescope corrections were flagged in sub-array 1. ! A total of 2585 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2434 telescope corrections were flagged in sub-array 1. ! A total of 2587 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2440 telescope corrections were flagged in sub-array 1. ! A total of 2587 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.165373Jy sigma=0.014033 ! Fit after self-cal, rms=0.614417Jy sigma=0.006660 ! 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 5.29% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.5293 mas, bmaj=1.251 mas, bpa=0.6231 degrees ! Estimated noise=953.172 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 = 0.979149 Jy ! Component: 100 - total flux cleaned = 1.25176 Jy ! Total flux subtracted in 100 components = 1.25176 Jy ! Clean residual min=-0.063903 max=0.147036 Jy/beam ! Clean residual mean=0.001563 rms=0.021146 Jy/beam ! Combined flux in latest and established models = 1.25176 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 1.25176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.485996Jy sigma=0.004944 ! Fit after self-cal, rms=0.485829Jy sigma=0.004940 ! Inverting map ! Your choice of large map pixels excluded 5.29% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Added new window around map position (0.8, 2.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.159556 Jy ! Component: 100 - total flux cleaned = 0.267658 Jy ! Total flux subtracted in 100 components = 0.267658 Jy ! Clean residual min=-0.062580 max=0.110400 Jy/beam ! Clean residual mean=0.000881 rms=0.016479 Jy/beam ! Combined flux in latest and established models = 1.51942 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 1.51942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.401940Jy sigma=0.003661 ! Fit after self-cal, rms=0.399159Jy sigma=0.003635 ! Inverting map ! Your choice of large map pixels excluded 5.29% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 5.29% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.6913 mas, bmaj=1.686 mas, bpa=-0.365 degrees ! Estimated noise=449.059 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 (-0.2, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.148653 Jy ! Component: 100 - total flux cleaned = 0.22632 Jy ! Component: 150 - total flux cleaned = 0.272487 Jy ! Component: 200 - total flux cleaned = 0.287812 Jy ! Total flux subtracted in 200 components = 0.287812 Jy ! Clean residual min=-0.043184 max=0.040272 Jy/beam ! Clean residual mean=0.000975 rms=0.011812 Jy/beam ! Combined flux in latest and established models = 1.80723 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 39 components and 1.80723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356932Jy sigma=0.002863 ! Fit after self-cal, rms=0.353430Jy sigma=0.002848 ! Inverting map ! Your choice of large map pixels excluded 5.29% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.91 GC 1.00* GG 1.00* ! HH 1.00* HN 1.10 KK 0.97 KP 0.97 ! MA 1.00* MC 1.00* MK 0.96 NL 0.96 ! NY 1.00* OV 0.91 PT 0.94 SC 1.10 ! TS 1.00* WF 1.20 WZ 1.00* LA 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.96 GC 1.00* GG 1.00* ! HH 1.05 HN 1.02 KK 0.99 KP 1.08 ! MA 1.52 MC 1.06 MK 0.99 NL 0.98 ! NY 1.00* OV 1.02 PT 1.01 SC 1.00 ! TS 1.00* WF 1.50 WZ 1.02 LA 1.04 ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 1.11 KK 0.98 KP 0.93 ! MA 1.00* MC 1.00* MK 0.95 NL 0.99 ! NY 1.00* OV 0.95 PT 0.91 SC 1.10 ! TS 1.00* WF 1.20 WZ 1.00* LA 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.01 GC 1.00* GG 1.00* ! HH 1.07 HN 1.04 KK 1.04 KP 1.02 ! MA 1.66 MC 1.06 MK 0.98 NL 1.00 ! NY 1.00* OV 1.06 PT 0.97 SC 1.00 ! TS 1.00* WF 1.51 WZ 1.02 LA 1.00 ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 GC 1.00* GG 1.00* ! HH 1.00* HN 1.10 KK 0.96 KP 0.97 ! MA 1.00* MC 1.00* MK 0.98 NL 0.97 ! NY 1.00* OV 0.92 PT 0.93 SC 1.08 ! TS 1.00* WF 1.23 WZ 1.00* LA 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.99 GC 1.00* GG 1.00* ! HH 1.03 HN 1.04 KK 0.98 KP 1.07 ! MA 1.67 MC 1.07 MK 1.01 NL 0.97 ! NY 1.00* OV 1.04 PT 0.99 SC 1.01 ! TS 1.00* WF 1.56 WZ 1.05 LA 1.04 ! ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.91 GC 1.00* GG 1.00* ! HH 1.00* HN 1.09 KK 0.99 KP 0.96 ! MA 1.00* MC 1.00* MK 1.01 NL 0.98 ! NY 1.00* OV 0.91 PT 0.94 SC 1.09 ! TS 1.00* WF 1.17 WZ 1.00* LA 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.98 GC 1.00* GG 1.00* ! HH 1.08 HN 1.06 KK 1.00 KP 1.07 ! MA 1.58 MC 1.07 MK 1.03 NL 0.97 ! NY 1.00* OV 1.03 PT 1.00 SC 1.03 ! TS 1.00* WF 1.46 WZ 1.05 LA 1.01 ! ! ! Fit before self-cal, rms=0.353430Jy sigma=0.002848 ! Fit after self-cal, rms=0.339410Jy sigma=0.002177 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7054 mas, bmaj=1.76 mas, bpa=-1.079 degrees ! Estimated noise=452.228 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 = 0.0285408 Jy ! Component: 100 - total flux cleaned = 0.0273078 Jy ! Component: 150 - total flux cleaned = 0.026254 Jy ! Component: 200 - total flux cleaned = 0.0248552 Jy ! Total flux subtracted in 200 components = 0.0248552 Jy ! Clean residual min=-0.022745 max=0.022209 Jy/beam ! Clean residual mean=0.000819 rms=0.006382 Jy/beam ! Combined flux in latest and established models = 1.83209 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 1.83209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335156Jy sigma=0.002134 ! Fit after self-cal, rms=0.334726Jy sigma=0.002127 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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=0.334726Jy sigma=0.002127 ! Fit after self-cal, rms=0.747776Jy sigma=0.001665 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7091 mas, bmaj=1.739 mas, bpa=-0.7292 degrees ! Estimated noise=450.863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000388635 Jy ! Component: 100 - total flux cleaned = -0.00181127 Jy ! Component: 150 - total flux cleaned = -0.00310231 Jy ! Component: 200 - total flux cleaned = -0.00349214 Jy ! Total flux subtracted in 200 components = -0.00349214 Jy ! Clean residual min=-0.013790 max=0.018011 Jy/beam ! Clean residual mean=0.000262 rms=0.003953 Jy/beam ! Combined flux in latest and established models = 1.8286 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 1.8286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.746846Jy sigma=0.001637 ! Fit after self-cal, rms=0.747306Jy sigma=0.001633 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 (5.6, 7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0190019 Jy ! Component: 100 - total flux cleaned = 0.0280364 Jy ! Component: 150 - total flux cleaned = 0.0302863 Jy ! Component: 200 - total flux cleaned = 0.031902 Jy ! Total flux subtracted in 200 components = 0.031902 Jy ! Clean residual min=-0.011411 max=0.012568 Jy/beam ! Clean residual mean=0.000235 rms=0.002979 Jy/beam ! Combined flux in latest and established models = 1.8605 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 69 components and 1.8605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.746638Jy sigma=0.001601 ! Fit after self-cal, rms=0.746556Jy sigma=0.001599 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Added new window around map position (1.6, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00755636 Jy ! Component: 100 - total flux cleaned = 0.00788455 Jy ! Component: 150 - total flux cleaned = 0.00786758 Jy ! Component: 200 - total flux cleaned = 0.00844719 Jy ! Total flux subtracted in 200 components = 0.00844719 Jy ! Clean residual min=-0.011174 max=0.011182 Jy/beam ! Clean residual mean=0.000143 rms=0.002750 Jy/beam ! Combined flux in latest and established models = 1.86894 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 82 components and 1.86894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.746169Jy sigma=0.001586 ! Fit after self-cal, rms=0.746153Jy sigma=0.001585 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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=0.746153Jy sigma=0.001585 ! Fit after self-cal, rms=0.754126Jy sigma=0.001575 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7113 mas, bmaj=1.746 mas, bpa=-0.7775 degrees ! Estimated noise=449.793 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000155983 Jy ! Component: 100 - total flux cleaned = 0.00152667 Jy ! Component: 150 - total flux cleaned = 0.00329755 Jy ! Component: 200 - total flux cleaned = 0.0043672 Jy ! Total flux subtracted in 200 components = 0.0043672 Jy ! Clean residual min=-0.009712 max=0.009192 Jy/beam ! Clean residual mean=0.000130 rms=0.002267 Jy/beam ! Combined flux in latest and established models = 1.87331 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 91 components and 1.87331 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.753699Jy sigma=0.001564 ! Fit after self-cal, rms=0.753620Jy sigma=0.001563 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 = 0.00158569 Jy ! Component: 100 - total flux cleaned = 0.00207095 Jy ! Component: 150 - total flux cleaned = 0.00230001 Jy ! Component: 200 - total flux cleaned = 0.00294908 Jy ! Total flux subtracted in 200 components = 0.00294908 Jy ! Clean residual min=-0.009133 max=0.008526 Jy/beam ! Clean residual mean=0.000113 rms=0.002138 Jy/beam ! Combined flux in latest and established models = 1.87626 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 99 components and 1.87626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.753403Jy sigma=0.001557 ! Fit after self-cal, rms=0.753382Jy sigma=0.001556 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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=0.753382Jy sigma=0.001556 ! Fit after self-cal, rms=0.752874Jy sigma=0.001553 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=2.322 mas, bmaj=4.14 mas, bpa=2.668 degrees ! Estimated noise=538.607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00335603 Jy ! Component: 100 - total flux cleaned = 0.00491193 Jy ! Component: 150 - total flux cleaned = 0.00609072 Jy ! Component: 200 - total flux cleaned = 0.00687929 Jy ! Total flux subtracted in 200 components = 0.00687929 Jy ! Clean residual min=-0.006107 max=0.005989 Jy/beam ! Clean residual mean=0.000264 rms=0.002170 Jy/beam ! Combined flux in latest and established models = 1.88314 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 119 components and 1.88314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.752811Jy sigma=0.001550 ! Fit after self-cal, rms=0.752771Jy sigma=0.001549 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 = 0.00088702 Jy ! Component: 100 - total flux cleaned = 0.00161231 Jy ! Component: 150 - total flux cleaned = 0.00194467 Jy ! Component: 200 - total flux cleaned = 0.00221542 Jy ! Total flux subtracted in 200 components = 0.00221542 Jy ! Clean residual min=-0.006247 max=0.006007 Jy/beam ! Clean residual mean=0.000221 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 1.88536 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 137 components and 1.88536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.752752Jy sigma=0.001548 ! Fit after self-cal, rms=0.752756Jy sigma=0.001547 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7125 mas, bmaj=1.751 mas, bpa=-0.8205 degrees ! Estimated noise=448.983 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7125 x 1.751 at -0.8205 degrees (North through East) ! Clean map min=-0.0069985 max=1.2895 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=0.752756Jy sigma=0.001547 ! Fit after self-cal, rms=1.164258Jy sigma=0.001333 ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7125 mas, bmaj=1.747 mas, bpa=-0.8016 degrees ! Estimated noise=448.067 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000798187 Jy ! Component: 100 - total flux cleaned = 0.0003731 Jy ! Component: 150 - total flux cleaned = 0.000788876 Jy ! Component: 200 - total flux cleaned = 0.000788655 Jy ! Total flux subtracted in 200 components = 0.000788655 Jy ! Clean residual min=-0.006383 max=0.006671 Jy/beam ! Clean residual mean=0.000114 rms=0.001618 Jy/beam ! Combined flux in latest and established models = 1.88614 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 144 components and 1.88614 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.164066Jy sigma=0.001328 ! Fit after self-cal, rms=1.164038Jy sigma=0.001328 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000669875 Jy ! Component: 100 - total flux cleaned = 0.000491898 Jy ! Component: 150 - total flux cleaned = 0.000157063 Jy ! Component: 200 - total flux cleaned = -0.000160183 Jy ! Total flux subtracted in 200 components = -0.000160183 Jy ! Clean residual min=-0.006178 max=0.006734 Jy/beam ! Clean residual mean=0.000112 rms=0.001568 Jy/beam ! Combined flux in latest and established models = 1.88598 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 147 components and 1.88598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.163926Jy sigma=0.001325 ! Fit after self-cal, rms=1.163916Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Added new window around map position (4.8, 12.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00455114 Jy ! Component: 100 - total flux cleaned = 0.00489081 Jy ! Component: 150 - total flux cleaned = 0.00504566 Jy ! Component: 200 - total flux cleaned = 0.00519255 Jy ! Total flux subtracted in 200 components = 0.00519255 Jy ! Clean residual min=-0.005868 max=0.005379 Jy/beam ! Clean residual mean=0.000114 rms=0.001481 Jy/beam ! Combined flux in latest and established models = 1.89118 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 158 components and 1.89118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.163805Jy sigma=0.001321 ! Fit after self-cal, rms=1.163786Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.163786Jy sigma=0.001321 ! Fit after self-cal, rms=1.156583Jy sigma=0.001320 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.5492 mas, bmaj=1.287 mas, bpa=0.5067 degrees ! Estimated noise=971.879 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.0132 Jy ! Component: 100 - total flux cleaned = 1.31066 Jy ! Component: 150 - total flux cleaned = 1.46233 Jy ! Component: 200 - total flux cleaned = 1.5579 Jy ! Total flux subtracted in 200 components = 1.5579 Jy ! Clean residual min=-0.021164 max=0.051890 Jy/beam ! Clean residual mean=0.000873 rms=0.008036 Jy/beam ! Combined flux in latest and established models = 1.5579 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 1.5579 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7135 mas, bmaj=1.749 mas, bpa=-0.8241 degrees ! Estimated noise=447.468 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 = 0.107495 Jy ! Component: 100 - total flux cleaned = 0.170124 Jy ! Component: 150 - total flux cleaned = 0.209471 Jy ! Component: 200 - total flux cleaned = 0.236077 Jy ! Total flux subtracted in 200 components = 0.236077 Jy ! Clean residual min=-0.008563 max=0.015808 Jy/beam ! Clean residual mean=0.000608 rms=0.004349 Jy/beam ! Combined flux in latest and established models = 1.79397 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 59 components and 1.79397 Jy ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=2.321 mas, bmaj=4.136 mas, bpa=2.688 degrees ! Estimated noise=536.554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0324507 Jy ! Component: 100 - total flux cleaned = 0.0518785 Jy ! Component: 150 - total flux cleaned = 0.0646845 Jy ! Component: 200 - total flux cleaned = 0.0735933 Jy ! Total flux subtracted in 200 components = 0.0735933 Jy ! Clean residual min=-0.004397 max=0.006975 Jy/beam ! Clean residual mean=0.000520 rms=0.002082 Jy/beam ! Combined flux in latest and established models = 1.86757 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 = 0.00637289 Jy ! Component: 100 - total flux cleaned = 0.0110702 Jy ! Component: 150 - total flux cleaned = 0.0145712 Jy ! Component: 200 - total flux cleaned = 0.0172335 Jy ! Total flux subtracted in 200 components = 0.0172335 Jy ! Clean residual min=-0.003205 max=0.004034 Jy/beam ! Clean residual mean=0.000345 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 1.8848 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 133 components and 1.8848 Jy ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! Estimated beam: bmin=0.7135 mas, bmaj=1.749 mas, bpa=-0.8241 degrees ! Estimated noise=447.468 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136859 Jy ! Component: 100 - total flux cleaned = 0.00257341 Jy ! Component: 150 - total flux cleaned = 0.00322457 Jy ! Component: 200 - total flux cleaned = 0.0036264 Jy ! Total flux subtracted in 200 components = 0.0036264 Jy ! Clean residual min=-0.006841 max=0.006819 Jy/beam ! Clean residual mean=0.000100 rms=0.001494 Jy/beam ! Combined flux in latest and established models = 1.88843 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 145 components and 1.88843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.156247Jy sigma=0.001327 ! Fit after self-cal, rms=1.156129Jy sigma=0.001322 wmodel J2246-1206_X_2000_05_22_pus_map.mod ! Writing 145 model components to file: J2246-1206_X_2000_05_22_pus_map.mod wobs J2246-1206_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J2246-1206_X_2000_05_22_pus_uvs.fits wwins J2246-1206_X_2000_05_22_pus_map.win ! wwins: Wrote 6 windows to J2246-1206_X_2000_05_22_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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101758 Jy ! Component: 100 - total flux cleaned = 0.00235905 Jy ! Component: 150 - total flux cleaned = 0.00281209 Jy ! Component: 200 - total flux cleaned = 0.00333524 Jy ! Component: 250 - total flux cleaned = 0.00383933 Jy ! Component: 300 - total flux cleaned = 0.00424493 Jy ! Component: 350 - total flux cleaned = 0.0047976 Jy ! Component: 400 - total flux cleaned = 0.00541075 Jy ! Component: 450 - total flux cleaned = 0.00585822 Jy ! Component: 500 - total flux cleaned = 0.0061488 Jy ! Component: 550 - total flux cleaned = 0.00636123 Jy ! Component: 600 - total flux cleaned = 0.00622249 Jy ! Component: 650 - total flux cleaned = 0.00622357 Jy ! Component: 700 - total flux cleaned = 0.00628981 Jy ! Component: 750 - total flux cleaned = 0.00615835 Jy ! Component: 800 - total flux cleaned = 0.00628799 Jy ! Component: 850 - total flux cleaned = 0.0064137 Jy ! Component: 900 - total flux cleaned = 0.00647608 Jy ! Component: 950 - total flux cleaned = 0.00653818 Jy ! Component: 1000 - total flux cleaned = 0.00672178 Jy ! Total flux subtracted in 1024 components = 0.00684286 Jy ! Clean residual min=-0.003009 max=0.003138 Jy/beam ! Clean residual mean=0.000092 rms=0.001112 Jy/beam ! Combined flux in latest and established models = 1.89527 Jy keep ! Adding 53 model components to the UV plane model. ! The established model now contains 197 components and 1.89527 Jy ![Exited script file: muppet] wmap "J2246-1206_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7135 x 1.749 at -0.8241 degrees (North through East) ! Clean map min=-0.0052386 max=1.2956 Jy/beam ! Writing clean map to FITS file: J2246-1206_X_2000_05_22_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.29563 invert ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1617 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00111438 device "J2246-1206_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.258032 0.258032 0.516065 1.03213 2.06426 4.12852 8.25704 16.5141 33.0281 66.0563 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0033 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.295 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7135 x 1.749 at -0.8241 degrees (North through East) ! Clean map min=-0.0052386 max=1.2956 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2246-1206_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:37:08 2007