! Started logfile: J1925+2106_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:18:37 2011 obs J1925+2106_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J1925+2106_X_2010_10_13_pus_uva.fits ! AN table 1: 48 integrations on 105 of 105 possible baselines. ! AN table 2: 326 integrations on 105 of 105 possible baselines. ! AN table 3: 37 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.044514 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1925+2106 ! ! 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 5978 lines of history. ! ! Reading 7684 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 J1925+2106_X_2010_10_13_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 609 telescope corrections were flagged in sub-array 1. ! A total of 4313 telescope corrections were flagged in sub-array 2. ! A total of 483 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 609 telescope corrections were flagged in sub-array 1. ! A total of 4313 telescope corrections were flagged in sub-array 2. ! A total of 483 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 609 telescope corrections were flagged in sub-array 1. ! A total of 4313 telescope corrections were flagged in sub-array 2. ! A total of 483 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 609 telescope corrections were flagged in sub-array 1. ! A total of 4313 telescope corrections were flagged in sub-array 2. ! A total of 483 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.673218Jy sigma=0.007545 ! Fit after self-cal, rms=0.604343Jy sigma=0.007309 ! 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 2.06% of the data. ! The y-axis pixel size should ideally be below 0.1679 milli-arcsec ! Estimated beam: bmin=0.6796 mas, bmaj=0.9883 mas, bpa=1.05 degrees ! Estimated noise=1251.23 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 = 0.572044 Jy ! Component: 100 - total flux cleaned = 0.801728 Jy ! Total flux subtracted in 100 components = 0.801728 Jy ! Clean residual min=-0.076006 max=0.244626 Jy/beam ! Clean residual mean=0.006829 rms=0.032050 Jy/beam ! Combined flux in latest and established models = 0.801728 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.801728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.578658Jy sigma=0.007674 ! Fit after self-cal, rms=0.578049Jy sigma=0.007667 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The y-axis pixel size should ideally be below 0.1679 milli-arcsec ! Added new window around map position (-1.2, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.230741 Jy ! Component: 100 - total flux cleaned = 0.373221 Jy ! Total flux subtracted in 100 components = 0.373221 Jy ! Clean residual min=-0.064071 max=0.131753 Jy/beam ! Clean residual mean=0.004344 rms=0.021325 Jy/beam ! Combined flux in latest and established models = 1.17495 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 24 components and 1.17495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.392322Jy sigma=0.005026 ! Fit after self-cal, rms=0.375414Jy sigma=0.004826 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The y-axis pixel size should ideally be below 0.1679 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.135135 Jy ! Component: 100 - total flux cleaned = 0.223523 Jy ! Total flux subtracted in 100 components = 0.223523 Jy ! Clean residual min=-0.040640 max=0.062319 Jy/beam ! Clean residual mean=0.002814 rms=0.012669 Jy/beam ! Combined flux in latest and established models = 1.39847 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 28 components and 1.39847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275785Jy sigma=0.003311 ! Fit after self-cal, rms=0.268568Jy sigma=0.003235 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The y-axis pixel size should ideally be below 0.1679 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 2.06% of the data. ! The y-axis pixel size should ideally be below 0.1679 milli-arcsec ! Estimated beam: bmin=0.8419 mas, bmaj=1.303 mas, bpa=0.2843 degrees ! Estimated noise=746.504 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 = 0.146259 Jy ! Component: 100 - total flux cleaned = 0.224447 Jy ! Component: 150 - total flux cleaned = 0.270305 Jy ! Component: 200 - total flux cleaned = 0.297937 Jy ! Total flux subtracted in 200 components = 0.297937 Jy ! Clean residual min=-0.018300 max=0.036187 Jy/beam ! Clean residual mean=0.005481 rms=0.007143 Jy/beam ! Combined flux in latest and established models = 1.69641 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 50 components and 1.69641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194594Jy sigma=0.001927 ! Fit after self-cal, rms=0.190977Jy sigma=0.001877 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The y-axis pixel size should ideally be below 0.1679 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00 KK 0.98 KP 1.00* LA 1.00* ! MK 1.00 NL 1.00* NY 1.21 OV 1.00* ! PT 1.00* SC 1.00* TS 0.92 ! ! A total of 174 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.82 HH 1.00* HN 1.01 ! KB 1.02 KK 0.95 KP 1.01 LA 1.01 ! MK 1.05 NL 0.99 NY 1.03 OV 0.98 ! PT 0.96 SC 1.00 TS 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.93 KK 0.99 KP 0.92 LA 1.00* ! MK 1.04 NL 1.00* NY 1.00* OV 1.13 ! PT 1.00* SC 1.00* TS 0.95 ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00* HH 1.00* HN 1.00* ! KB 0.99 KK 0.97 KP 1.00* LA 1.00* ! MK 0.99 NL 1.00* NY 1.15 OV 1.00* ! PT 1.00* SC 1.00* TS 0.94 ! ! A total of 174 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 HH 1.00* HN 1.06 ! KB 1.02 KK 1.00 KP 1.02 LA 0.98 ! MK 1.01 NL 1.03 NY 1.02 OV 1.01 ! PT 0.98 SC 1.00 TS 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.94 KK 1.00 KP 0.98 LA 1.00* ! MK 0.99 NL 1.00* NY 1.00* OV 1.09 ! PT 1.00* SC 1.00* TS 0.98 ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00* HH 1.00* HN 1.00* ! KB 0.98 KK 0.94 KP 1.00* LA 1.00* ! MK 1.02 NL 1.00* NY 1.19 OV 1.00* ! PT 1.00* SC 1.00* TS 0.94 ! ! A total of 174 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 HH 1.00* HN 1.07 ! KB 1.00 KK 1.00 KP 1.02 LA 0.97 ! MK 1.06 NL 0.98 NY 1.06 OV 1.00 ! PT 1.02 SC 1.01 TS 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.93 KK 0.99 KP 0.97 LA 1.00* ! MK 1.01 NL 1.00* NY 1.00* OV 1.10 ! PT 1.00* SC 1.00* TS 0.94 ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00 KK 1.01 KP 1.00* LA 1.00* ! MK 1.02 NL 1.00* NY 1.15 OV 1.00* ! PT 1.00* SC 1.00* TS 0.84 ! ! A total of 174 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.99 HH 1.00* HN 1.02 ! KB 1.03 KK 1.03 KP 1.02 LA 1.03 ! MK 1.03 NL 1.01 NY 1.04 OV 1.04 ! PT 0.98 SC 1.01 TS 0.90 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.92 KK 1.02 KP 0.99 LA 1.00* ! MK 1.00 NL 1.00* NY 1.00* OV 1.11 ! PT 1.00* SC 1.00* TS 0.87 ! ! ! Fit before self-cal, rms=0.190977Jy sigma=0.001877 ! Fit after self-cal, rms=0.151196Jy sigma=0.001557 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8702 mas, bmaj=1.381 mas, bpa=3.42 degrees ! Estimated noise=751.902 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 = 0.00208524 Jy ! Component: 100 - total flux cleaned = 0.00255073 Jy ! Component: 150 - total flux cleaned = 0.00289003 Jy ! Component: 200 - total flux cleaned = 0.00314223 Jy ! Total flux subtracted in 200 components = 0.00314223 Jy ! Clean residual min=-0.012444 max=0.022135 Jy/beam ! Clean residual mean=0.000253 rms=0.004590 Jy/beam ! Combined flux in latest and established models = 1.69955 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 1.69955 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148936Jy sigma=0.001532 ! Fit after self-cal, rms=0.148411Jy sigma=0.001525 ! Inverting map 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=0.148411Jy sigma=0.001525 ! Fit after self-cal, rms=0.147636Jy sigma=0.001460 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.871 mas, bmaj=1.385 mas, bpa=3.571 degrees ! Estimated noise=753.267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000677538 Jy ! Component: 100 - total flux cleaned = 0.000653797 Jy ! Component: 150 - total flux cleaned = 0.000633058 Jy ! Component: 200 - total flux cleaned = 0.000805062 Jy ! Total flux subtracted in 200 components = 0.000805062 Jy ! Clean residual min=-0.011503 max=0.022899 Jy/beam ! Clean residual mean=0.000853 rms=0.004417 Jy/beam ! Combined flux in latest and established models = 1.70036 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 1.70036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146588Jy sigma=0.001449 ! Fit after self-cal, rms=0.146112Jy sigma=0.001446 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 (-7.2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218105 Jy ! Component: 100 - total flux cleaned = 0.0308551 Jy ! Component: 150 - total flux cleaned = 0.0348442 Jy ! Component: 200 - total flux cleaned = 0.0373039 Jy ! Total flux subtracted in 200 components = 0.0373039 Jy ! Clean residual min=-0.011045 max=0.009132 Jy/beam ! Clean residual mean=-0.001112 rms=0.002772 Jy/beam ! Combined flux in latest and established models = 1.73766 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 75 components and 1.73766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142501Jy sigma=0.001396 ! Fit after self-cal, rms=0.142008Jy sigma=0.001389 ! Inverting map 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=0.142008Jy sigma=0.001389 ! Fit after self-cal, rms=0.139495Jy sigma=0.001369 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8707 mas, bmaj=1.386 mas, bpa=3.741 degrees ! Estimated noise=750.561 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00604204 Jy ! Component: 100 - total flux cleaned = 0.00899102 Jy ! Component: 150 - total flux cleaned = 0.0106972 Jy ! Component: 200 - total flux cleaned = 0.0121002 Jy ! Total flux subtracted in 200 components = 0.0121002 Jy ! Clean residual min=-0.008845 max=0.007713 Jy/beam ! Clean residual mean=-0.000386 rms=0.002217 Jy/beam ! Combined flux in latest and established models = 1.74976 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 1.74976 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138349Jy sigma=0.001356 ! Fit after self-cal, rms=0.138082Jy sigma=0.001354 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000108451 Jy ! Component: 100 - total flux cleaned = 0.0013879 Jy ! Component: 150 - total flux cleaned = 0.00229475 Jy ! Component: 200 - total flux cleaned = 0.00283788 Jy ! Total flux subtracted in 200 components = 0.00283788 Jy ! Clean residual min=-0.009289 max=0.007194 Jy/beam ! Clean residual mean=-0.000525 rms=0.002108 Jy/beam ! Combined flux in latest and established models = 1.7526 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 82 components and 1.7526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137561Jy sigma=0.001349 ! Fit after self-cal, rms=0.137342Jy sigma=0.001347 ! Inverting map 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=0.137342Jy sigma=0.001347 ! Fit after self-cal, rms=0.137133Jy sigma=0.001344 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.702 mas, bmaj=3.314 mas, bpa=-7.117 degrees ! Estimated noise=920.072 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00214338 Jy ! Component: 100 - total flux cleaned = 0.0029411 Jy ! Component: 150 - total flux cleaned = 0.00350886 Jy ! Component: 200 - total flux cleaned = 0.00385726 Jy ! Total flux subtracted in 200 components = 0.00385726 Jy ! Clean residual min=-0.005438 max=0.004999 Jy/beam ! Clean residual mean=-0.000104 rms=0.001907 Jy/beam ! Combined flux in latest and established models = 1.75646 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 87 components and 1.75646 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136864Jy sigma=0.001341 ! Fit after self-cal, rms=0.136626Jy sigma=0.001339 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 9.5339e-05 Jy ! Component: 100 - total flux cleaned = 0.000348045 Jy ! Component: 150 - total flux cleaned = 0.000638793 Jy ! Component: 200 - total flux cleaned = 0.000922703 Jy ! Total flux subtracted in 200 components = 0.000922703 Jy ! Clean residual min=-0.005532 max=0.005247 Jy/beam ! Clean residual mean=-0.000191 rms=0.001877 Jy/beam ! Combined flux in latest and established models = 1.75738 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 88 components and 1.75738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136549Jy sigma=0.001338 ! Fit after self-cal, rms=0.136358Jy sigma=0.001336 ! Inverting map 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 ! Estimated beam: bmin=0.8718 mas, bmaj=1.387 mas, bpa=3.872 degrees ! Estimated noise=749.62 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8718 x 1.387 at 3.872 degrees (North through East) ! Clean map min=-0.0068088 max=0.76977 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=0.136358Jy sigma=0.001336 ! Fit after self-cal, rms=0.125623Jy sigma=0.001176 ! Inverting map and beam ! Estimated beam: bmin=0.8719 mas, bmaj=1.387 mas, bpa=3.818 degrees ! Estimated noise=748.458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000574259 Jy ! Component: 100 - total flux cleaned = -0.000276407 Jy ! Component: 150 - total flux cleaned = -0.000283436 Jy ! Component: 200 - total flux cleaned = -0.00028017 Jy ! Total flux subtracted in 200 components = -0.00028017 Jy ! Clean residual min=-0.007267 max=0.006091 Jy/beam ! Clean residual mean=0.000088 rms=0.001800 Jy/beam ! Combined flux in latest and established models = 1.7571 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 96 components and 1.7571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125193Jy sigma=0.001173 ! Fit after self-cal, rms=0.125076Jy sigma=0.001172 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000105907 Jy ! Component: 100 - total flux cleaned = 0.000129323 Jy ! Component: 150 - total flux cleaned = 0.000131472 Jy ! Component: 200 - total flux cleaned = 0.000236138 Jy ! Total flux subtracted in 200 components = 0.000236138 Jy ! Clean residual min=-0.007246 max=0.006077 Jy/beam ! Clean residual mean=0.000076 rms=0.001762 Jy/beam ! Combined flux in latest and established models = 1.75733 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 98 components and 1.75733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124751Jy sigma=0.001169 ! Fit after self-cal, rms=0.124631Jy sigma=0.001168 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124631Jy sigma=0.001168 ! Fit after self-cal, rms=0.124484Jy sigma=0.001168 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 ! Estimated beam: bmin=0.689 mas, bmaj=1.039 mas, bpa=3.686 degrees ! Estimated noise=1214.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.60551 Jy ! Component: 100 - total flux cleaned = 0.91782 Jy ! Component: 150 - total flux cleaned = 1.12384 Jy ! Component: 200 - total flux cleaned = 1.26293 Jy ! Total flux subtracted in 200 components = 1.26293 Jy ! Clean residual min=-0.035158 max=0.076974 Jy/beam ! Clean residual mean=0.003658 rms=0.014610 Jy/beam ! Combined flux in latest and established models = 1.26293 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 23 model components to the UV plane model. ! The established model now contains 23 components and 1.26293 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8727 mas, bmaj=1.387 mas, bpa=3.849 degrees ! Estimated noise=748.128 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 = 0.190574 Jy ! Component: 100 - total flux cleaned = 0.29127 Jy ! Component: 150 - total flux cleaned = 0.34873 Jy ! Component: 200 - total flux cleaned = 0.386144 Jy ! Total flux subtracted in 200 components = 0.386144 Jy ! Clean residual min=-0.007234 max=0.023356 Jy/beam ! Clean residual mean=0.005597 rms=0.005041 Jy/beam ! Combined flux in latest and established models = 1.64907 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 56 components and 1.64907 Jy ! Inverting map ! Added new window around map position (1, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0269587 Jy ! Component: 100 - total flux cleaned = 0.0465155 Jy ! Component: 150 - total flux cleaned = 0.0614022 Jy ! Component: 200 - total flux cleaned = 0.0728547 Jy ! Total flux subtracted in 200 components = 0.0728547 Jy ! Clean residual min=-0.006183 max=0.010388 Jy/beam ! Clean residual mean=0.001853 rms=0.002325 Jy/beam ! Combined flux in latest and established models = 1.72193 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 78 components and 1.72193 Jy ! Inverting map ! Added new window around map position (-4.8, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111982 Jy ! Component: 100 - total flux cleaned = 0.018743 Jy ! Component: 150 - total flux cleaned = 0.0226805 Jy ! Component: 200 - total flux cleaned = 0.0254292 Jy ! Total flux subtracted in 200 components = 0.0254292 Jy ! Clean residual min=-0.006159 max=0.006816 Jy/beam ! Clean residual mean=0.000558 rms=0.001710 Jy/beam ! Combined flux in latest and established models = 1.74736 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 103 components and 1.74736 Jy ! Inverting map 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 ! Estimated beam: bmin=2.699 mas, bmaj=3.315 mas, bpa=-7.042 degrees ! Estimated noise=917.954 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542213 Jy ! Component: 100 - total flux cleaned = 0.00864699 Jy ! Component: 150 - total flux cleaned = 0.00963905 Jy ! Component: 200 - total flux cleaned = 0.00986705 Jy ! Total flux subtracted in 200 components = 0.00986705 Jy ! Clean residual min=-0.005389 max=0.004933 Jy/beam ! Clean residual mean=0.000149 rms=0.001581 Jy/beam ! Combined flux in latest and established models = 1.75723 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 = 6.99433e-05 Jy ! Component: 100 - total flux cleaned = 0.000133059 Jy ! Component: 150 - total flux cleaned = 0.000131398 Jy ! Component: 200 - total flux cleaned = 0.000129767 Jy ! Total flux subtracted in 200 components = 0.000129767 Jy ! Clean residual min=-0.005285 max=0.004720 Jy/beam ! Clean residual mean=0.000135 rms=0.001529 Jy/beam ! Combined flux in latest and established models = 1.75736 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 129 components and 1.75736 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8727 mas, bmaj=1.387 mas, bpa=3.849 degrees ! Estimated noise=748.128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00124566 Jy ! Component: 100 - total flux cleaned = -0.00167951 Jy ! Component: 150 - total flux cleaned = -0.00167953 Jy ! Component: 200 - total flux cleaned = -0.00167755 Jy ! Total flux subtracted in 200 components = -0.00167755 Jy ! Clean residual min=-0.005997 max=0.005537 Jy/beam ! Clean residual mean=0.000148 rms=0.001538 Jy/beam ! Combined flux in latest and established models = 1.75568 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 143 components and 1.75568 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123582Jy sigma=0.001160 ! Fit after self-cal, rms=0.122436Jy sigma=0.001153 wmodel J1925+2106_X_2010_10_13_pus_map.mod ! Writing 143 model components to file: J1925+2106_X_2010_10_13_pus_map.mod wobs J1925+2106_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J1925+2106_X_2010_10_13_pus_uvs.fits wwins J1925+2106_X_2010_10_13_pus_map.win ! wwins: Wrote 5 windows to J1925+2106_X_2010_10_13_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00112985 Jy ! Component: 100 - total flux cleaned = -0.00142711 Jy ! Component: 150 - total flux cleaned = -0.00170202 Jy ! Component: 200 - total flux cleaned = -0.00153208 Jy ! Component: 250 - total flux cleaned = -0.00120381 Jy ! Component: 300 - total flux cleaned = -0.000967429 Jy ! Component: 350 - total flux cleaned = -0.000814983 Jy ! Component: 400 - total flux cleaned = -0.000447998 Jy ! Component: 450 - total flux cleaned = -0.000235163 Jy ! Component: 500 - total flux cleaned = 0.000110227 Jy ! Component: 550 - total flux cleaned = 0.000244413 Jy ! Component: 600 - total flux cleaned = 0.000311506 Jy ! Component: 650 - total flux cleaned = 0.000504608 Jy ! Component: 700 - total flux cleaned = 0.000629578 Jy ! Component: 750 - total flux cleaned = 0.000691432 Jy ! Component: 800 - total flux cleaned = 0.000872688 Jy ! Component: 850 - total flux cleaned = 0.000932005 Jy ! Component: 900 - total flux cleaned = 0.00104838 Jy ! Component: 950 - total flux cleaned = 0.00104812 Jy ! Component: 1000 - total flux cleaned = 0.00104827 Jy ! Total flux subtracted in 1024 components = 0.00104841 Jy ! Clean residual min=-0.003020 max=0.002779 Jy/beam ! Clean residual mean=0.000104 rms=0.001063 Jy/beam ! Combined flux in latest and established models = 1.75673 Jy keep ! Adding 62 model components to the UV plane model. ! The established model now contains 205 components and 1.75673 Jy ![Exited script file: muppet] wmap "J1925+2106_X_2010_10_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8727 x 1.387 at 3.849 degrees (North through East) ! Clean map min=-0.0054867 max=0.76756 Jy/beam ! Writing clean map to FITS file: J1925+2106_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.767557 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00106519 device "J1925+2106_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1925+2106_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.416329 0.416329 0.832659 1.66532 3.33063 6.66127 13.3225 26.6451 53.2901 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.767 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8727 x 1.387 at 3.849 degrees (North through East) ! Clean map min=-0.0054867 max=0.76756 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1925+2106_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J1925+2106_X_2010_10_13_pus_map.gif/vgif' mapplot cln