! Started logfile: J2331-1556_X_1999_05_10_pus_uvs.log on Tue Jan 15 17:18:55 2008 obs J2331-1556_X_1999_05_10_pus_uva.fits ! Reading UV FITS file: J2331-1556_X_1999_05_10_pus_uva.fits ! AN table 1: 166 integrations on 153 of 153 possible baselines. ! AN table 2: 76 integrations on 153 of 153 possible baselines. ! AN table 3: 83 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.179306 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2331-1556 ! ! 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 1759 lines of history. ! ! Reading 35664 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2331-1556_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 = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1956 telescope corrections were flagged in sub-array 1. ! A total of 921 telescope corrections were flagged in sub-array 2. ! A total of 726 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1881 telescope corrections were flagged in sub-array 1. ! A total of 921 telescope corrections were flagged in sub-array 2. ! A total of 726 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1881 telescope corrections were flagged in sub-array 1. ! A total of 921 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1956 telescope corrections were flagged in sub-array 1. ! A total of 921 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.586559Jy sigma=0.004716 ! Fit after self-cal, rms=0.448726Jy sigma=0.003271 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.5698 mas, bmaj=1.428 mas, bpa=-5.143 degrees ! Estimated noise=851.786 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 = 0.563904 Jy ! Component: 100 - total flux cleaned = 0.764467 Jy ! Total flux subtracted in 100 components = 0.764467 Jy ! Clean residual min=-0.037453 max=0.093784 Jy/beam ! Clean residual mean=0.001084 rms=0.009951 Jy/beam ! Combined flux in latest and established models = 0.764468 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.764468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290516Jy sigma=0.002380 ! Fit after self-cal, rms=0.289768Jy sigma=0.002375 ! Inverting map ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.105402 Jy ! Component: 100 - total flux cleaned = 0.161148 Jy ! Total flux subtracted in 100 components = 0.161148 Jy ! Clean residual min=-0.023910 max=0.069972 Jy/beam ! Clean residual mean=0.000537 rms=0.006062 Jy/beam ! Combined flux in latest and established models = 0.925615 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.925615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249480Jy sigma=0.001744 ! Fit after self-cal, rms=0.249310Jy sigma=0.001742 ! Inverting map ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Added new window around map position (1.8, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.060768 Jy ! Component: 100 - total flux cleaned = 0.0901484 Jy ! Total flux subtracted in 100 components = 0.0901484 Jy ! Clean residual min=-0.023228 max=0.034169 Jy/beam ! Clean residual mean=0.000245 rms=0.004239 Jy/beam ! Combined flux in latest and established models = 1.01576 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 1.01576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233755Jy sigma=0.001498 ! Fit after self-cal, rms=0.231638Jy sigma=0.001471 ! Inverting map ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0282243 Jy ! Component: 100 - total flux cleaned = 0.0459331 Jy ! Total flux subtracted in 100 components = 0.0459331 Jy ! Clean residual min=-0.016749 max=0.018377 Jy/beam ! Clean residual mean=0.000094 rms=0.003280 Jy/beam ! Combined flux in latest and established models = 1.0617 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 1.0617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228008Jy sigma=0.001396 ! Fit after self-cal, rms=0.227569Jy sigma=0.001391 ! Inverting map ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.6614 mas, bmaj=1.543 mas, bpa=-4.257 degrees ! Estimated noise=451.284 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 = 0.0232972 Jy ! Component: 100 - total flux cleaned = 0.0366221 Jy ! Component: 150 - total flux cleaned = 0.0418872 Jy ! Component: 200 - total flux cleaned = 0.0449466 Jy ! Total flux subtracted in 200 components = 0.0449466 Jy ! Clean residual min=-0.015922 max=0.015672 Jy/beam ! Clean residual mean=-0.000419 rms=0.003896 Jy/beam ! Combined flux in latest and established models = 1.10664 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 45 components and 1.10664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225751Jy sigma=0.001347 ! Fit after self-cal, rms=0.225462Jy sigma=0.001343 ! Inverting map ! Your choice of large map pixels excluded 3.22% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 GC 1.00* HH 0.87 ! HN 1.02 KK 0.91 KP 1.25 LA 1.00* ! MC 1.15 MK 0.98 NL 1.10 NY 1.00* ! ON 1.12 OV 1.00 PT 1.00* SC 1.04 ! WF 1.00* WZ 1.14 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 0.92 KP 0.98 LA 1.02 ! MC 1.00* MK 0.98 NL 1.08 NY 1.00* ! ON 1.00* OV 0.96 PT 1.01 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.94 GC 1.00* HH 1.00* ! HN 0.99 KK 0.98 KP 0.98 LA 0.96 ! MC 1.00* MK 0.99 NL 1.03 NY 1.00* ! ON 1.00* OV 0.97 PT 1.02 SC 1.05 ! WF 1.06 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 GC 1.00* HH 0.89 ! HN 1.01 KK 0.96 KP 1.15 LA 1.00* ! MC 1.12 MK 0.92 NL 1.09 NY 1.00* ! ON 1.13 OV 1.07 PT 1.00* SC 1.04 ! WF 1.03 WZ 1.17 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 0.94 KP 1.00 LA 1.04 ! MC 1.00* MK 0.98 NL 1.02 NY 1.00* ! ON 1.00* OV 0.96 PT 0.92 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.93 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00 KP 1.00 LA 0.97 ! MC 1.00* MK 0.98 NL 1.00 NY 1.00* ! ON 1.00* OV 0.94 PT 0.94 SC 1.05 ! WF 1.09 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 GC 1.00* HH 0.92 ! HN 1.04 KK 0.95 KP 1.26 LA 1.00* ! MC 1.17 MK 1.00 NL 1.09 NY 1.00* ! ON 1.13 OV 1.15 PT 1.00* SC 1.06 ! WF 1.03 WZ 1.19 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 1.02 LA 1.02 ! MC 1.00* MK 0.98 NL 1.05 NY 1.00* ! ON 1.00* OV 0.98 PT 0.94 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 GC 1.00* HH 1.00* ! HN 1.02 KK 1.07 KP 1.02 LA 0.97 ! MC 1.00* MK 0.99 NL 0.99 NY 1.00* ! ON 1.00* OV 0.97 PT 0.96 SC 1.06 ! WF 1.13 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.03 GC 1.00* HH 1.04 ! HN 1.04 KK 0.99 KP 1.17 LA 1.00* ! MC 1.10 MK 1.05 NL 1.11 NY 1.00* ! ON 1.20 OV 1.11 PT 1.00* SC 1.02 ! WF 1.04 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.01 LA 1.05 ! MC 1.00* MK 0.99 NL 1.05 NY 1.00* ! ON 1.00* OV 0.99 PT 0.96 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.95 GC 1.00* HH 1.00* ! HN 1.01 KK 1.05 KP 0.99 LA 0.98 ! MC 1.00* MK 1.01 NL 1.01 NY 1.00* ! ON 1.00* OV 0.98 PT 0.97 SC 1.05 ! WF 1.12 WZ 1.00* ! ! ! Fit before self-cal, rms=0.225462Jy sigma=0.001343 ! Fit after self-cal, rms=0.230266Jy sigma=0.001224 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.6782 mas, bmaj=1.536 mas, bpa=-3.8 degrees ! Estimated noise=461.957 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (1.2, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0046849 Jy ! Component: 100 - total flux cleaned = 0.00424131 Jy ! Component: 150 - total flux cleaned = 0.00406879 Jy ! Component: 200 - total flux cleaned = 0.00406243 Jy ! Total flux subtracted in 200 components = 0.00406243 Jy ! Clean residual min=-0.007101 max=0.006257 Jy/beam ! Clean residual mean=0.000091 rms=0.001435 Jy/beam ! Combined flux in latest and established models = 1.11071 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 1.11071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229770Jy sigma=0.001219 ! Fit after self-cal, rms=0.229685Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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=0.229685Jy sigma=0.001219 ! Fit after self-cal, rms=0.228943Jy sigma=0.001218 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.679 mas, bmaj=1.538 mas, bpa=-3.82 degrees ! Estimated noise=461.866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207812 Jy ! Component: 100 - total flux cleaned = 0.00191268 Jy ! Component: 150 - total flux cleaned = 0.00177055 Jy ! Component: 200 - total flux cleaned = 0.00165518 Jy ! Total flux subtracted in 200 components = 0.00165518 Jy ! Clean residual min=-0.006663 max=0.005666 Jy/beam ! Clean residual mean=0.000105 rms=0.001287 Jy/beam ! Combined flux in latest and established models = 1.11236 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 64 components and 1.11236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228683Jy sigma=0.001216 ! Fit after self-cal, rms=0.228607Jy sigma=0.001215 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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 = 0.000705603 Jy ! Component: 100 - total flux cleaned = 0.000813906 Jy ! Component: 150 - total flux cleaned = 0.000813699 Jy ! Component: 200 - total flux cleaned = 0.000719717 Jy ! Total flux subtracted in 200 components = 0.000719717 Jy ! Clean residual min=-0.006532 max=0.005656 Jy/beam ! Clean residual mean=0.000099 rms=0.001247 Jy/beam ! Combined flux in latest and established models = 1.11308 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 66 components and 1.11308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228471Jy sigma=0.001215 ! Fit after self-cal, rms=0.228445Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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=0.228445Jy sigma=0.001214 ! Fit after self-cal, rms=0.228212Jy sigma=0.001214 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.68 mas, bmaj=1.542 mas, bpa=-3.854 degrees ! Estimated noise=461.886 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000436925 Jy ! Component: 100 - total flux cleaned = 0.000544686 Jy ! Component: 150 - total flux cleaned = 0.000544267 Jy ! Component: 200 - total flux cleaned = 0.000459137 Jy ! Total flux subtracted in 200 components = 0.000459137 Jy ! Clean residual min=-0.005955 max=0.005282 Jy/beam ! Clean residual mean=0.000108 rms=0.001176 Jy/beam ! Combined flux in latest and established models = 1.11354 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 1.11354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228078Jy sigma=0.001213 ! Fit after self-cal, rms=0.228027Jy sigma=0.001213 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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 = 0.000404487 Jy ! Component: 100 - total flux cleaned = 0.00040869 Jy ! Component: 150 - total flux cleaned = 0.000409541 Jy ! Component: 200 - total flux cleaned = 0.000264854 Jy ! Total flux subtracted in 200 components = 0.000264854 Jy ! Clean residual min=-0.005845 max=0.005336 Jy/beam ! Clean residual mean=0.000105 rms=0.001154 Jy/beam ! Combined flux in latest and established models = 1.1138 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 69 components and 1.1138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227952Jy sigma=0.001212 ! Fit after self-cal, rms=0.227934Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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=0.227934Jy sigma=0.001212 ! Fit after self-cal, rms=0.228048Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=2.271 mas, bmaj=3.756 mas, bpa=-0.2553 degrees ! Estimated noise=587.264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000302667 Jy ! Component: 100 - total flux cleaned = -0.000586681 Jy ! Component: 150 - total flux cleaned = -0.000806868 Jy ! Component: 200 - total flux cleaned = -0.000950307 Jy ! Total flux subtracted in 200 components = -0.000950307 Jy ! Clean residual min=-0.004753 max=0.009130 Jy/beam ! Clean residual mean=0.000280 rms=0.002025 Jy/beam ! Combined flux in latest and established models = 1.11285 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 84 components and 1.11285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228032Jy sigma=0.001212 ! Fit after self-cal, rms=0.228008Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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 (15.4, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00905521 Jy ! Component: 100 - total flux cleaned = 0.0142064 Jy ! Component: 150 - total flux cleaned = 0.018017 Jy ! Component: 200 - total flux cleaned = 0.0210579 Jy ! Total flux subtracted in 200 components = 0.0210579 Jy ! Clean residual min=-0.004106 max=0.004839 Jy/beam ! Clean residual mean=-0.000066 rms=0.001266 Jy/beam ! Combined flux in latest and established models = 1.13391 Jy ! Performing phase self-cal ! Adding 67 model components to the UV plane model. ! The established model now contains 151 components and 1.13391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227817Jy sigma=0.001209 ! Fit after self-cal, rms=0.227783Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.6807 mas, bmaj=1.546 mas, bpa=-3.898 degrees ! Estimated noise=461.971 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6807 x 1.546 at -3.898 degrees (North through East) ! Clean map min=-0.0041137 max=0.74071 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=0.227783Jy sigma=0.001209 ! Fit after self-cal, rms=0.222285Jy sigma=0.001104 ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.6804 mas, bmaj=1.546 mas, bpa=-3.919 degrees ! Estimated noise=461.374 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00358361 Jy ! Component: 100 - total flux cleaned = 0.00576842 Jy ! Component: 150 - total flux cleaned = 0.00763371 Jy ! Component: 200 - total flux cleaned = 0.00887391 Jy ! Total flux subtracted in 200 components = 0.00887391 Jy ! Clean residual min=-0.004729 max=0.003254 Jy/beam ! Clean residual mean=-0.000071 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 1.14279 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 183 components and 1.14279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222164Jy sigma=0.001103 ! Fit after self-cal, rms=0.222147Jy sigma=0.001102 ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115184 Jy ! Component: 100 - total flux cleaned = 0.00175363 Jy ! Component: 150 - total flux cleaned = 0.00210091 Jy ! Component: 200 - total flux cleaned = 0.00236677 Jy ! Total flux subtracted in 200 components = 0.00236677 Jy ! Clean residual min=-0.004612 max=0.003296 Jy/beam ! Clean residual mean=-0.000089 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 1.14515 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 195 components and 1.14515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222069Jy sigma=0.001102 ! Fit after self-cal, rms=0.222057Jy sigma=0.001102 ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222057Jy sigma=0.001102 ! Fit after self-cal, rms=0.222554Jy sigma=0.001102 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 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.5832 mas, bmaj=1.432 mas, bpa=-4.918 degrees ! Estimated noise=876.691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.569521 Jy ! Component: 100 - total flux cleaned = 0.767402 Jy ! Component: 150 - total flux cleaned = 0.877424 Jy ! Component: 200 - total flux cleaned = 0.945557 Jy ! Total flux subtracted in 200 components = 0.945557 Jy ! Clean residual min=-0.012996 max=0.035794 Jy/beam ! Clean residual mean=0.000580 rms=0.004296 Jy/beam ! Combined flux in latest and established models = 0.945557 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.945557 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.6806 mas, bmaj=1.55 mas, bpa=-3.968 degrees ! Estimated noise=461.336 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 = 0.0622724 Jy ! Component: 100 - total flux cleaned = 0.0988262 Jy ! Component: 150 - total flux cleaned = 0.121707 Jy ! Component: 200 - total flux cleaned = 0.136404 Jy ! Total flux subtracted in 200 components = 0.136404 Jy ! Clean residual min=-0.004163 max=0.007810 Jy/beam ! Clean residual mean=0.000389 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 1.08196 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 39 components and 1.08196 Jy ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00964188 Jy ! Component: 100 - total flux cleaned = 0.0165719 Jy ! Component: 150 - total flux cleaned = 0.0223855 Jy ! Component: 200 - total flux cleaned = 0.0274271 Jy ! Total flux subtracted in 200 components = 0.0274271 Jy ! Clean residual min=-0.003490 max=0.004366 Jy/beam ! Clean residual mean=0.000190 rms=0.001028 Jy/beam ! Combined flux in latest and established models = 1.10939 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 69 components and 1.10939 Jy ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 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 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=2.271 mas, bmaj=3.759 mas, bpa=-0.2798 degrees ! Estimated noise=586.331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0079351 Jy ! Component: 100 - total flux cleaned = 0.0139004 Jy ! Component: 150 - total flux cleaned = 0.0187018 Jy ! Component: 200 - total flux cleaned = 0.022606 Jy ! Total flux subtracted in 200 components = 0.022606 Jy ! Clean residual min=-0.003521 max=0.004277 Jy/beam ! Clean residual mean=0.000081 rms=0.001241 Jy/beam ! Combined flux in latest and established models = 1.13199 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 = 0.0032078 Jy ! Component: 100 - total flux cleaned = 0.0058632 Jy ! Component: 150 - total flux cleaned = 0.00808385 Jy ! Component: 200 - total flux cleaned = 0.00995512 Jy ! Total flux subtracted in 200 components = 0.00995512 Jy ! Clean residual min=-0.003401 max=0.004290 Jy/beam ! Clean residual mean=-0.000089 rms=0.001068 Jy/beam ! Combined flux in latest and established models = 1.14195 Jy ! Adding 109 model components to the UV plane model. ! The established model now contains 167 components and 1.14195 Jy ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! Estimated beam: bmin=0.6806 mas, bmaj=1.55 mas, bpa=-3.968 degrees ! Estimated noise=461.336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000294216 Jy ! Component: 100 - total flux cleaned = 0.00165079 Jy ! Component: 150 - total flux cleaned = 0.00233094 Jy ! Component: 200 - total flux cleaned = 0.00267634 Jy ! Total flux subtracted in 200 components = 0.00267634 Jy ! Clean residual min=-0.002863 max=0.002956 Jy/beam ! Clean residual mean=-0.000058 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 1.14463 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 193 components and 1.14463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222603Jy sigma=0.001102 ! Fit after self-cal, rms=0.222489Jy sigma=0.001102 wmodel J2331-1556_X_1999_05_10_pus_map.mod ! Writing 193 model components to file: J2331-1556_X_1999_05_10_pus_map.mod wobs J2331-1556_X_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J2331-1556_X_1999_05_10_pus_uvs.fits wwins J2331-1556_X_1999_05_10_pus_map.win ! wwins: Wrote 4 windows to J2331-1556_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 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026156 Jy ! Component: 100 - total flux cleaned = 0.000607845 Jy ! Component: 150 - total flux cleaned = 0.000841386 Jy ! Component: 200 - total flux cleaned = 0.000975526 Jy ! Component: 250 - total flux cleaned = 0.000974933 Jy ! Component: 300 - total flux cleaned = 0.000851395 Jy ! Component: 350 - total flux cleaned = 0.00073321 Jy ! Component: 400 - total flux cleaned = 0.000657544 Jy ! Component: 450 - total flux cleaned = 0.000545897 Jy ! Component: 500 - total flux cleaned = 0.000509112 Jy ! Component: 550 - total flux cleaned = 0.000473397 Jy ! Component: 600 - total flux cleaned = 0.000438889 Jy ! Component: 650 - total flux cleaned = 0.00037113 Jy ! Component: 700 - total flux cleaned = 0.000271777 Jy ! Component: 750 - total flux cleaned = 0.000141191 Jy ! Component: 800 - total flux cleaned = -5.11483e-05 Jy ! Component: 850 - total flux cleaned = -0.000271312 Jy ! Component: 900 - total flux cleaned = -0.000363884 Jy ! Component: 950 - total flux cleaned = -0.000455737 Jy ! Component: 1000 - total flux cleaned = -0.000666919 Jy ! Component: 1050 - total flux cleaned = -0.00075622 Jy ! Component: 1100 - total flux cleaned = -0.000844403 Jy ! Component: 1150 - total flux cleaned = -0.00101796 Jy ! Component: 1200 - total flux cleaned = -0.00110354 Jy ! Component: 1250 - total flux cleaned = -0.00116013 Jy ! Component: 1300 - total flux cleaned = -0.001188 Jy ! Component: 1350 - total flux cleaned = -0.00124327 Jy ! Component: 1400 - total flux cleaned = -0.00129837 Jy ! Component: 1450 - total flux cleaned = -0.00143383 Jy ! Component: 1500 - total flux cleaned = -0.00151409 Jy ! Component: 1550 - total flux cleaned = -0.00159336 Jy ! Component: 1600 - total flux cleaned = -0.00159311 Jy ! Component: 1650 - total flux cleaned = -0.0016454 Jy ! Component: 1700 - total flux cleaned = -0.0017225 Jy ! Component: 1750 - total flux cleaned = -0.00172248 Jy ! Component: 1800 - total flux cleaned = -0.00184892 Jy ! Component: 1850 - total flux cleaned = -0.00187409 Jy ! Component: 1900 - total flux cleaned = -0.00197371 Jy ! Component: 1950 - total flux cleaned = -0.00207264 Jy ! Component: 2000 - total flux cleaned = -0.00212156 Jy ! Total flux subtracted in 2048 components = -0.00219442 Jy ! Clean residual min=-0.001412 max=0.001249 Jy/beam ! Clean residual mean=-0.000046 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 1.14243 Jy keep ! Adding 158 model components to the UV plane model. ! The established model now contains 349 components and 1.14243 Jy ![Exited script file: muppet] wmap "J2331-1556_X_1999_05_10_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6806 x 1.55 at -3.968 degrees (North through East) ! Clean map min=-0.0022723 max=0.74068 Jy/beam ! Writing clean map to FITS file: J2331-1556_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 0.740683 invert ! Inverting map ! Your choice of large map pixels excluded 3.24% of the data. ! The x-axis pixel size should ideally be below 0.1672 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000445218 device "J2331-1556_X_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J2331-1556_X_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.180327 0.180327 0.360655 0.721309 1.44262 2.88524 5.77047 11.5409 23.0819 46.1638 92.3276 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.74 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6806 x 1.55 at -3.968 degrees (North through East) ! Clean map min=-0.0022723 max=0.74068 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2331-1556_X_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J2331-1556_X_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2331-1556_X_1999_05_10_pus_uvs.log closed on Tue Jan 15 17:19:11 2008