! Started logfile: J1146+3958_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:41:23 2011 obs J1146+3958_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1146+3958_X_2010_06_23_pus_uva.fits ! AN table 1: 90 integrations on 105 of 105 possible baselines. ! AN table 2: 82 integrations on 105 of 105 possible baselines. ! AN table 3: 31 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.204879 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1146+3958 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 17468 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 J1146+3958_X_2010_06_23_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 881 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 161 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 908 telescope corrections were flagged in sub-array 1. ! A total of 947 telescope corrections were flagged in sub-array 2. ! A total of 194 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 881 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 161 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 881 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 161 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.607680Jy sigma=0.006476 ! Fit after self-cal, rms=0.424331Jy sigma=0.004322 ! 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 6.81% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.5412 mas, bmaj=0.8108 mas, bpa=-4.799 degrees ! Estimated noise=877.75 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 = 0.461068 Jy ! Component: 100 - total flux cleaned = 0.582272 Jy ! Total flux subtracted in 100 components = 0.582272 Jy ! Clean residual min=-0.015276 max=0.052697 Jy/beam ! Clean residual mean=0.000438 rms=0.005530 Jy/beam ! Combined flux in latest and established models = 0.582272 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.582272 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220596Jy sigma=0.002195 ! Fit after self-cal, rms=0.220429Jy sigma=0.002193 ! Inverting map ! Your choice of large map pixels excluded 6.81% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0605041 Jy ! Component: 100 - total flux cleaned = 0.0982734 Jy ! Total flux subtracted in 100 components = 0.0982734 Jy ! Clean residual min=-0.011309 max=0.023987 Jy/beam ! Clean residual mean=0.000257 rms=0.003951 Jy/beam ! Combined flux in latest and established models = 0.680545 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 0.680545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191300Jy sigma=0.001740 ! Fit after self-cal, rms=0.190988Jy sigma=0.001736 ! Inverting map ! Your choice of large map pixels excluded 6.81% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Added new window around map position (0, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0289549 Jy ! Component: 100 - total flux cleaned = 0.0495723 Jy ! Total flux subtracted in 100 components = 0.0495723 Jy ! Clean residual min=-0.011497 max=0.019294 Jy/beam ! Clean residual mean=0.000169 rms=0.003410 Jy/beam ! Combined flux in latest and established models = 0.730117 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 31 components and 0.730117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182840Jy sigma=0.001596 ! Fit after self-cal, rms=0.182577Jy sigma=0.001593 ! Inverting map ! Your choice of large map pixels excluded 6.81% of the data. ! The x-axis pixel size should ideally be below 0.1566 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 6.81% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7254 mas, bmaj=1.035 mas, bpa=-6.597 degrees ! Estimated noise=534.05 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 = 0.0344294 Jy ! Component: 100 - total flux cleaned = 0.0534046 Jy ! Component: 150 - total flux cleaned = 0.0649285 Jy ! Component: 200 - total flux cleaned = 0.0719486 Jy ! Total flux subtracted in 200 components = 0.0719486 Jy ! Clean residual min=-0.009752 max=0.013863 Jy/beam ! Clean residual mean=0.000299 rms=0.003053 Jy/beam ! Combined flux in latest and established models = 0.802066 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 0.802066 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177720Jy sigma=0.001496 ! Fit after self-cal, rms=0.177487Jy sigma=0.001493 ! Inverting map ! Your choice of large map pixels excluded 6.81% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.03 KK 1.03 ! KP 1.00 LA 0.97 MA 1.04 MK 1.07 ! NL 1.05 NY 1.08 OV 1.01 PT 1.01 ! SC 1.00 TS 1.00 ZC 0.97 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 HN 1.27 KK 0.97 ! KP 1.00 LA 0.99 MA 1.04 MK 0.99 ! NL 1.02 NY 1.08 OV 1.00 PT 0.98 ! SC 1.12 TS 0.94 ZC 1.01 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.88 FD 0.97 HN 0.90 KK 1.32 ! KP 0.95 LA 0.94 MA 1.04 MK 1.07 ! NL 0.89 NY 1.03 OV 0.98 PT 0.94 ! SC 1.00 TS 1.00* ZC 1.00 ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.03 KK 1.06 ! KP 1.00 LA 1.01 MA 1.00* MK 1.06 ! NL 1.08 NY 1.07 OV 1.03 PT 0.99 ! SC 1.03 TS 1.01 ZC 0.98 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.01 HN 1.27 KK 1.03 ! KP 0.99 LA 1.01 MA 1.00* MK 0.99 ! NL 1.03 NY 1.06 OV 1.02 PT 0.98 ! SC 1.15 TS 0.92 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 1.00 HN 0.89 KK 1.42 ! KP 0.94 LA 0.96 MA 1.00* MK 1.09 ! NL 0.92 NY 1.04 OV 1.00 PT 0.94 ! SC 1.02 TS 1.00* ZC 1.01 ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.05 KK 1.06 ! KP 1.01 LA 0.99 MA 1.17 MK 1.07 ! NL 1.02 NY 1.09 OV 1.01 PT 0.99 ! SC 0.99 TS 0.97 ZC 0.95 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 1.27 KK 0.96 ! KP 0.98 LA 1.01 MA 1.10 MK 0.99 ! NL 0.98 NY 1.06 OV 1.00 PT 0.97 ! SC 1.10 TS 0.92 ZC 0.97 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.91 FD 0.96 HN 0.90 KK 1.31 ! KP 0.95 LA 0.95 MA 1.02 MK 1.06 ! NL 0.88 NY 1.03 OV 0.98 PT 0.93 ! SC 0.98 TS 1.00* ZC 1.00 ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 1.03 KK 1.01 ! KP 1.02 LA 0.98 MA 1.04 MK 1.08 ! NL 1.04 NY 1.04 OV 0.99 PT 1.02 ! SC 0.98 TS 0.99 ZC 1.01 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00 HN 1.33 KK 0.98 ! KP 1.00 LA 0.98 MA 1.12 MK 0.98 ! NL 1.02 NY 1.05 OV 0.98 PT 0.97 ! SC 1.14 TS 0.91 ZC 1.07 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.96 HN 0.92 KK 1.32 ! KP 0.96 LA 0.94 MA 0.98 MK 1.05 ! NL 0.91 NY 1.05 OV 0.98 PT 0.93 ! SC 1.00 TS 1.00* ZC 1.07 ! ! ! Fit before self-cal, rms=0.177487Jy sigma=0.001493 ! Fit after self-cal, rms=0.174740Jy sigma=0.001347 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.731 mas, bmaj=1.052 mas, bpa=-7.3 degrees ! Estimated noise=533.684 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 = -0.00358256 Jy ! Component: 100 - total flux cleaned = -0.00450944 Jy ! Component: 150 - total flux cleaned = -0.00505815 Jy ! Component: 200 - total flux cleaned = -0.00534529 Jy ! Total flux subtracted in 200 components = -0.00534529 Jy ! Clean residual min=-0.003592 max=0.005132 Jy/beam ! Clean residual mean=0.000140 rms=0.000963 Jy/beam ! Combined flux in latest and established models = 0.796721 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 40 components and 0.796721 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174568Jy sigma=0.001344 ! Fit after self-cal, rms=0.174743Jy sigma=0.001344 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Added new window around map position (-0.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00198013 Jy ! Component: 100 - total flux cleaned = 0.001461 Jy ! Component: 150 - total flux cleaned = 0.000807921 Jy ! Component: 200 - total flux cleaned = 0.000136511 Jy ! Total flux subtracted in 200 components = 0.000136511 Jy ! Clean residual min=-0.003420 max=0.003415 Jy/beam ! Clean residual mean=0.000138 rms=0.000913 Jy/beam ! Combined flux in latest and established models = 0.796857 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 48 components and 0.796857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174506Jy sigma=0.001341 ! Fit after self-cal, rms=0.174482Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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=0.174482Jy sigma=0.001341 ! Fit after self-cal, rms=0.174356Jy sigma=0.001338 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7317 mas, bmaj=1.053 mas, bpa=-7.172 degrees ! Estimated noise=532.835 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00150358 Jy ! Component: 100 - total flux cleaned = -0.00228472 Jy ! Component: 150 - total flux cleaned = -0.00265323 Jy ! Component: 200 - total flux cleaned = -0.00305378 Jy ! Total flux subtracted in 200 components = -0.00305378 Jy ! Clean residual min=-0.002798 max=0.003291 Jy/beam ! Clean residual mean=0.000107 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.793803 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 51 components and 0.793804 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174200Jy sigma=0.001336 ! Fit after self-cal, rms=0.174198Jy sigma=0.001336 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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 = 4.0462e-05 Jy ! Component: 100 - total flux cleaned = -0.000244707 Jy ! Component: 150 - total flux cleaned = -0.000502423 Jy ! Component: 200 - total flux cleaned = -0.000737843 Jy ! Total flux subtracted in 200 components = -0.000737843 Jy ! Clean residual min=-0.002717 max=0.003302 Jy/beam ! Clean residual mean=0.000118 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.793066 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 0.793066 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174121Jy sigma=0.001335 ! Fit after self-cal, rms=0.174118Jy sigma=0.001335 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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=0.174118Jy sigma=0.001335 ! Fit after self-cal, rms=0.173794Jy sigma=0.001333 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7321 mas, bmaj=1.054 mas, bpa=-7.053 degrees ! Estimated noise=531.988 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0019623 Jy ! Component: 100 - total flux cleaned = -0.00232847 Jy ! Component: 150 - total flux cleaned = -0.00256918 Jy ! Component: 200 - total flux cleaned = -0.00272905 Jy ! Total flux subtracted in 200 components = -0.00272905 Jy ! Clean residual min=-0.002770 max=0.003512 Jy/beam ! Clean residual mean=0.000124 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.790337 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 58 components and 0.790337 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173722Jy sigma=0.001332 ! Fit after self-cal, rms=0.173728Jy sigma=0.001332 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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 (7.8, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00304652 Jy ! Component: 100 - total flux cleaned = 0.0035338 Jy ! Component: 150 - total flux cleaned = 0.00392569 Jy ! Component: 200 - total flux cleaned = 0.00414926 Jy ! Total flux subtracted in 200 components = 0.00414926 Jy ! Clean residual min=-0.002749 max=0.002717 Jy/beam ! Clean residual mean=0.000078 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.794486 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 70 components and 0.794486 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173640Jy sigma=0.001331 ! Fit after self-cal, rms=0.173642Jy sigma=0.001331 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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=0.173642Jy sigma=0.001331 ! Fit after self-cal, rms=0.173627Jy sigma=0.001331 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=2.525 mas, bmaj=2.633 mas, bpa=60.22 degrees ! Estimated noise=703.899 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000810118 Jy ! Component: 100 - total flux cleaned = -0.000602717 Jy ! Component: 150 - total flux cleaned = -0.000402099 Jy ! Component: 200 - total flux cleaned = -0.000271623 Jy ! Total flux subtracted in 200 components = -0.000271623 Jy ! Clean residual min=-0.002326 max=0.002734 Jy/beam ! Clean residual mean=0.000172 rms=0.000880 Jy/beam ! Combined flux in latest and established models = 0.794214 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 82 components and 0.794214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173607Jy sigma=0.001331 ! Fit after self-cal, rms=0.173609Jy sigma=0.001331 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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 = 6.0716e-06 Jy ! Component: 100 - total flux cleaned = 0.000114624 Jy ! Component: 150 - total flux cleaned = 0.000270469 Jy ! Component: 200 - total flux cleaned = 0.000327195 Jy ! Total flux subtracted in 200 components = 0.000327195 Jy ! Clean residual min=-0.002320 max=0.002738 Jy/beam ! Clean residual mean=0.000162 rms=0.000879 Jy/beam ! Combined flux in latest and established models = 0.794542 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 84 components and 0.794542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173602Jy sigma=0.001331 ! Fit after self-cal, rms=0.173606Jy sigma=0.001331 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7326 mas, bmaj=1.055 mas, bpa=-7.012 degrees ! Estimated noise=531.336 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7326 x 1.055 at -7.012 degrees (North through East) ! Clean map min=-0.002347 max=0.63138 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=0.173606Jy sigma=0.001331 ! Fit after self-cal, rms=0.270985Jy sigma=0.001215 ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7329 mas, bmaj=1.056 mas, bpa=-7.115 degrees ! Estimated noise=530.503 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00197227 Jy ! Component: 100 - total flux cleaned = -0.00223697 Jy ! Component: 150 - total flux cleaned = -0.0022829 Jy ! Component: 200 - total flux cleaned = -0.00241252 Jy ! Total flux subtracted in 200 components = -0.00241252 Jy ! Clean residual min=-0.002669 max=0.002725 Jy/beam ! Clean residual mean=0.000044 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.792129 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 94 components and 0.792129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270951Jy sigma=0.001214 ! Fit after self-cal, rms=0.270952Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.23334e-05 Jy ! Component: 100 - total flux cleaned = -7.20664e-05 Jy ! Component: 150 - total flux cleaned = -0.000149894 Jy ! Component: 200 - total flux cleaned = -0.000224938 Jy ! Total flux subtracted in 200 components = -0.000224938 Jy ! Clean residual min=-0.002660 max=0.002684 Jy/beam ! Clean residual mean=0.000047 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.791904 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 97 components and 0.791904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270937Jy sigma=0.001214 ! Fit after self-cal, rms=0.270939Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270939Jy sigma=0.001214 ! Fit after self-cal, rms=0.270903Jy sigma=0.001214 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 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.5405 mas, bmaj=0.8215 mas, bpa=-5.48 degrees ! Estimated noise=906.824 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.462642 Jy ! Component: 100 - total flux cleaned = 0.59012 Jy ! Component: 150 - total flux cleaned = 0.651297 Jy ! Component: 200 - total flux cleaned = 0.687923 Jy ! Total flux subtracted in 200 components = 0.687923 Jy ! Clean residual min=-0.006397 max=0.019499 Jy/beam ! Clean residual mean=0.000201 rms=0.002232 Jy/beam ! Combined flux in latest and established models = 0.687923 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.687923 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7334 mas, bmaj=1.056 mas, bpa=-7.022 degrees ! Estimated noise=529.913 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 = 0.0434802 Jy ! Component: 100 - total flux cleaned = 0.0657817 Jy ! Component: 150 - total flux cleaned = 0.0783838 Jy ! Component: 200 - total flux cleaned = 0.0858666 Jy ! Total flux subtracted in 200 components = 0.0858666 Jy ! Clean residual min=-0.002908 max=0.004583 Jy/beam ! Clean residual mean=0.000266 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.773789 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 50 components and 0.773789 Jy ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Added new window around map position (0.8, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00491232 Jy ! Component: 100 - total flux cleaned = 0.00839004 Jy ! Component: 150 - total flux cleaned = 0.0108963 Jy ! Component: 200 - total flux cleaned = 0.0120652 Jy ! Total flux subtracted in 200 components = 0.0120652 Jy ! Clean residual min=-0.002559 max=0.002734 Jy/beam ! Clean residual mean=0.000099 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.785855 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 73 components and 0.785855 Jy ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 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 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=2.525 mas, bmaj=2.633 mas, bpa=59.19 degrees ! Estimated noise=700.529 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00241094 Jy ! Component: 100 - total flux cleaned = 0.0036272 Jy ! Component: 150 - total flux cleaned = 0.00380434 Jy ! Component: 200 - total flux cleaned = 0.00387744 Jy ! Total flux subtracted in 200 components = 0.00387744 Jy ! Clean residual min=-0.002078 max=0.002355 Jy/beam ! Clean residual mean=0.000126 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.789732 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 = 2.96947e-05 Jy ! Component: 100 - total flux cleaned = 3.0627e-05 Jy ! Component: 150 - total flux cleaned = 3.1702e-05 Jy ! Component: 200 - total flux cleaned = 3.14231e-05 Jy ! Total flux subtracted in 200 components = 3.14231e-05 Jy ! Clean residual min=-0.002061 max=0.002285 Jy/beam ! Clean residual mean=0.000125 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.789764 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 98 components and 0.789763 Jy ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7334 mas, bmaj=1.056 mas, bpa=-7.022 degrees ! Estimated noise=529.913 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0004855 Jy ! Component: 100 - total flux cleaned = -0.00061842 Jy ! Component: 150 - total flux cleaned = -0.000614826 Jy ! Component: 200 - total flux cleaned = -0.000614015 Jy ! Total flux subtracted in 200 components = -0.000614015 Jy ! Clean residual min=-0.002689 max=0.002673 Jy/beam ! Clean residual mean=0.000055 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 0.789149 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 108 components and 0.789149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270773Jy sigma=0.001214 ! Fit after self-cal, rms=0.270768Jy sigma=0.001214 wmodel J1146+3958_X_2010_06_23_pus_map.mod ! Writing 108 model components to file: J1146+3958_X_2010_06_23_pus_map.mod wobs J1146+3958_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1146+3958_X_2010_06_23_pus_uvs.fits wwins J1146+3958_X_2010_06_23_pus_map.win ! wwins: Wrote 5 windows to J1146+3958_X_2010_06_23_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 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 4.51101e-05 Jy ! Component: 100 - total flux cleaned = 0.000131544 Jy ! Component: 150 - total flux cleaned = 0.000172188 Jy ! Component: 200 - total flux cleaned = 0.00028776 Jy ! Component: 250 - total flux cleaned = 0.000437045 Jy ! Component: 300 - total flux cleaned = 0.000546081 Jy ! Component: 350 - total flux cleaned = 0.000617434 Jy ! Component: 400 - total flux cleaned = 0.00072193 Jy ! Component: 450 - total flux cleaned = 0.000858447 Jy ! Component: 500 - total flux cleaned = 0.00105911 Jy ! Component: 550 - total flux cleaned = 0.00122276 Jy ! Component: 600 - total flux cleaned = 0.00128756 Jy ! Component: 650 - total flux cleaned = 0.00147831 Jy ! Component: 700 - total flux cleaned = 0.00157198 Jy ! Component: 750 - total flux cleaned = 0.00163407 Jy ! Component: 800 - total flux cleaned = 0.00181723 Jy ! Component: 850 - total flux cleaned = 0.00184771 Jy ! Component: 900 - total flux cleaned = 0.00193717 Jy ! Component: 950 - total flux cleaned = 0.00208447 Jy ! Component: 1000 - total flux cleaned = 0.00211358 Jy ! Total flux subtracted in 1024 components = 0.0022 Jy ! Clean residual min=-0.002056 max=0.002143 Jy/beam ! Clean residual mean=0.000027 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.791349 Jy keep ! Adding 72 model components to the UV plane model. ! The established model now contains 180 components and 0.791349 Jy ![Exited script file: muppet] wmap "J1146+3958_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7334 x 1.056 at -7.022 degrees (North through East) ! Clean map min=-0.0023941 max=0.63091 Jy/beam ! Writing clean map to FITS file: J1146+3958_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.630908 invert ! Inverting map ! Your choice of large map pixels excluded 6.68% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000545179 device "J1146+3958_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1146+3958_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.259235 0.259235 0.51847 1.03694 2.07388 4.14776 8.29552 16.591 33.1821 66.3642 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.63 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7334 x 1.056 at -7.022 degrees (North through East) ! Clean map min=-0.0023941 max=0.63091 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1146+3958_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1146+3958_X_2010_06_23_pus_map.gif/vgif' mapplot cln