! Started logfile: J1738+3224_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:37:18 2011 obs J1738+3224_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1738+3224_X_2009_04_21_pus_uva.fits ! AN table 1: 373 integrations on 120 of 120 possible baselines. ! AN table 2: 127 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.470867 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1738+3224 ! ! 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 2445 lines of history. ! ! Reading 113008 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 J1738+3224_X_2009_04_21_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 2619 telescope corrections were flagged in sub-array 1. ! A total of 285 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2619 telescope corrections were flagged in sub-array 1. ! A total of 285 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2619 telescope corrections were flagged in sub-array 1. ! A total of 285 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2620 telescope corrections were flagged in sub-array 1. ! A total of 285 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.979084Jy sigma=0.008902 ! Fit after self-cal, rms=0.927999Jy sigma=0.008499 ! 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 4.85% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.5059 mas, bmaj=0.9321 mas, bpa=-2.921 degrees ! Estimated noise=581.33 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 = 0.0635993 Jy ! Component: 100 - total flux cleaned = 0.0776823 Jy ! Total flux subtracted in 100 components = 0.0776823 Jy ! Clean residual min=-0.003409 max=0.004727 Jy/beam ! Clean residual mean=0.000017 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 0.0776823 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0776823 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152098Jy sigma=0.001202 ! Fit after self-cal, rms=0.151754Jy sigma=0.001199 ! Inverting map ! Your choice of large map pixels excluded 4.85% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542646 Jy ! Component: 100 - total flux cleaned = 0.00821709 Jy ! Total flux subtracted in 100 components = 0.00821709 Jy ! Clean residual min=-0.003306 max=0.002960 Jy/beam ! Clean residual mean=0.000014 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.0858994 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 15 components and 0.0858994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151488Jy sigma=0.001197 ! Fit after self-cal, rms=0.151497Jy sigma=0.001197 ! Inverting map ! Your choice of large map pixels excluded 4.85% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 4.85% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6154 mas, bmaj=1.151 mas, bpa=0.4222 degrees ! Estimated noise=241.83 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 = 0.00289553 Jy ! Component: 100 - total flux cleaned = 0.00432703 Jy ! Component: 150 - total flux cleaned = 0.00509797 Jy ! Component: 200 - total flux cleaned = 0.00551534 Jy ! Total flux subtracted in 200 components = 0.00551534 Jy ! Clean residual min=-0.001312 max=0.001572 Jy/beam ! Clean residual mean=0.000159 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.0914148 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.0914148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151435Jy sigma=0.001196 ! Fit after self-cal, rms=0.151443Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 4.85% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 348 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.99 HN 0.97 KB 1.00* ! KK 0.94 KP 0.99 LA 1.00 MK 0.94 ! NL 1.01 NY 0.84 OV 0.98 PT 1.01 ! SC 1.00 TS 1.00* WZ 1.03 ZC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.03 HN 0.97 KB 1.00 ! KK 1.02 KP 0.98 LA 1.01 MK 1.03 ! NL 1.00 NY 0.96 OV 1.05 PT 1.05 ! SC 1.01 TS 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 348 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.97 KB 1.00* ! KK 0.92 KP 0.98 LA 0.99 MK 1.00 ! NL 0.97 NY 0.87 OV 0.98 PT 0.96 ! SC 1.04 TS 1.00* WZ 1.05 ZC 1.02 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 HN 1.03 KB 1.05 ! KK 0.97 KP 0.99 LA 1.01 MK 1.05 ! NL 0.98 NY 1.01 OV 0.98 PT 1.01 ! SC 1.00 TS 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 348 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.01 KB 1.00* ! KK 0.96 KP 1.01 LA 0.99 MK 1.03 ! NL 1.03 NY 0.98 OV 0.98 PT 1.01 ! SC 1.08 TS 1.00* WZ 1.03 ZC 0.97 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.39 FD 1.00 HN 1.04 KB 0.99 ! KK 0.92 KP 0.98 LA 1.06 MK 1.02 ! NL 1.05 NY 0.96 OV 1.03 PT 1.04 ! SC 1.08 TS 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 348 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.95 HN 0.97 KB 1.00* ! KK 0.93 KP 1.02 LA 0.97 MK 1.00 ! NL 1.03 NY 0.87 OV 1.04 PT 1.02 ! SC 1.02 TS 1.00* WZ 1.06 ZC 1.02 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.97 HN 0.99 KB 0.98 ! KK 0.91 KP 1.05 LA 0.99 MK 1.03 ! NL 1.10 NY 0.86 OV 1.07 PT 0.98 ! SC 1.07 TS 1.05 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.151443Jy sigma=0.001196 ! Fit after self-cal, rms=0.149556Jy sigma=0.001197 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6184 mas, bmaj=1.137 mas, bpa=-0.202 degrees ! Estimated noise=244.9 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 = 0.000599361 Jy ! Component: 100 - total flux cleaned = 0.000552957 Jy ! Component: 150 - total flux cleaned = 0.00050649 Jy ! Component: 200 - total flux cleaned = 0.000506387 Jy ! Total flux subtracted in 200 components = 0.000506387 Jy ! Clean residual min=-0.001193 max=0.001167 Jy/beam ! Clean residual mean=-0.000008 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.0919212 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 24 components and 0.0919212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149553Jy sigma=0.001196 ! Fit after self-cal, rms=0.149525Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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=0.149525Jy sigma=0.001196 ! Fit after self-cal, rms=0.149364Jy sigma=0.001196 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6185 mas, bmaj=1.133 mas, bpa=-0.3034 degrees ! Estimated noise=244.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000481989 Jy ! Component: 100 - total flux cleaned = 0.000483302 Jy ! Component: 150 - total flux cleaned = 0.000483275 Jy ! Component: 200 - total flux cleaned = 0.000490002 Jy ! Total flux subtracted in 200 components = 0.000490002 Jy ! Clean residual min=-0.001172 max=0.001134 Jy/beam ! Clean residual mean=-0.000009 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.0924112 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.0924111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149362Jy sigma=0.001196 ! Fit after self-cal, rms=0.149362Jy sigma=0.001196 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 = 0.000137492 Jy ! Component: 100 - total flux cleaned = 9.46276e-05 Jy ! Component: 150 - total flux cleaned = 8.30728e-05 Jy ! Component: 200 - total flux cleaned = 7.28625e-05 Jy ! Total flux subtracted in 200 components = 7.28625e-05 Jy ! Clean residual min=-0.001176 max=0.001123 Jy/beam ! Clean residual mean=-0.000009 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.092484 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 29 components and 0.092484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149362Jy sigma=0.001196 ! Fit after self-cal, rms=0.149362Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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=0.149362Jy sigma=0.001196 ! Fit after self-cal, rms=0.149450Jy sigma=0.001196 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6181 mas, bmaj=1.13 mas, bpa=-0.3759 degrees ! Estimated noise=245.241 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000383647 Jy ! Component: 100 - total flux cleaned = 0.000447907 Jy ! Component: 150 - total flux cleaned = 0.000464559 Jy ! Component: 200 - total flux cleaned = 0.000469466 Jy ! Total flux subtracted in 200 components = 0.000469466 Jy ! Clean residual min=-0.001164 max=0.001127 Jy/beam ! Clean residual mean=-0.000012 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0929535 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 30 components and 0.0929535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149448Jy sigma=0.001196 ! Fit after self-cal, rms=0.149453Jy sigma=0.001196 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 = 7.94348e-05 Jy ! Component: 100 - total flux cleaned = 7.94381e-05 Jy ! Component: 150 - total flux cleaned = 7.50021e-05 Jy ! Component: 200 - total flux cleaned = 7.50029e-05 Jy ! Total flux subtracted in 200 components = 7.50029e-05 Jy ! Clean residual min=-0.001169 max=0.001124 Jy/beam ! Clean residual mean=-0.000011 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0930285 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 30 components and 0.0930285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149454Jy sigma=0.001196 ! Fit after self-cal, rms=0.149454Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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=0.149454Jy sigma=0.001196 ! Fit after self-cal, rms=0.149462Jy sigma=0.001196 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=2.171 mas, bmaj=2.702 mas, bpa=10.22 degrees ! Estimated noise=359.992 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000690099 Jy ! Component: 100 - total flux cleaned = 0.000887953 Jy ! Component: 150 - total flux cleaned = 0.000904217 Jy ! Component: 200 - total flux cleaned = 0.000914542 Jy ! Total flux subtracted in 200 components = 0.000914542 Jy ! Clean residual min=-0.001333 max=0.001074 Jy/beam ! Clean residual mean=-0.000054 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.093943 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 32 components and 0.093943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149462Jy sigma=0.001196 ! Fit after self-cal, rms=0.149463Jy sigma=0.001196 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 = 0.000128868 Jy ! Component: 100 - total flux cleaned = 0.000128744 Jy ! Component: 150 - total flux cleaned = 0.000134722 Jy ! Component: 200 - total flux cleaned = 0.000139661 Jy ! Total flux subtracted in 200 components = 0.000139661 Jy ! Clean residual min=-0.001337 max=0.001075 Jy/beam ! Clean residual mean=-0.000052 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.0940827 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 32 components and 0.0940827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149465Jy sigma=0.001196 ! Fit after self-cal, rms=0.149466Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6176 mas, bmaj=1.127 mas, bpa=-0.4567 degrees ! Estimated noise=245.448 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6176 x 1.127 at -0.4567 degrees (North through East) ! Clean map min=-0.00097925 max=0.083314 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 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 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.5089 mas, bmaj=0.9176 mas, bpa=-3.851 degrees ! Estimated noise=583.899 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0634135 Jy ! Component: 100 - total flux cleaned = 0.0783505 Jy ! Component: 150 - total flux cleaned = 0.0848571 Jy ! Component: 200 - total flux cleaned = 0.0882548 Jy ! Total flux subtracted in 200 components = 0.0882548 Jy ! Clean residual min=-0.002974 max=0.002583 Jy/beam ! Clean residual mean=0.000000 rms=0.000669 Jy/beam ! Combined flux in latest and established models = 0.0882548 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0882548 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6176 mas, bmaj=1.127 mas, bpa=-0.4567 degrees ! Estimated noise=245.448 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 = 0.0026148 Jy ! Component: 100 - total flux cleaned = 0.00381936 Jy ! Component: 150 - total flux cleaned = 0.00446915 Jy ! Component: 200 - total flux cleaned = 0.00483616 Jy ! Total flux subtracted in 200 components = 0.00483616 Jy ! Clean residual min=-0.001172 max=0.001161 Jy/beam ! Clean residual mean=-0.000011 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.093091 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 0.093091 Jy ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=2.171 mas, bmaj=2.702 mas, bpa=10.22 degrees ! Estimated noise=359.992 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000694896 Jy ! Component: 100 - total flux cleaned = 0.000897335 Jy ! Component: 150 - total flux cleaned = 0.000915167 Jy ! Component: 200 - total flux cleaned = 0.000926706 Jy ! Total flux subtracted in 200 components = 0.000926706 Jy ! Clean residual min=-0.001339 max=0.001112 Jy/beam ! Clean residual mean=-0.000050 rms=0.000358 Jy/beam ! Combined flux in latest and established models = 0.0940177 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.66877e-05 Jy ! Component: 100 - total flux cleaned = 3.28373e-05 Jy ! Component: 150 - total flux cleaned = 4.82482e-05 Jy ! Component: 200 - total flux cleaned = 5.82243e-05 Jy ! Total flux subtracted in 200 components = 5.82243e-05 Jy ! Clean residual min=-0.001340 max=0.001086 Jy/beam ! Clean residual mean=-0.000051 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.0940759 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 21 components and 0.0940759 Jy ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.6176 mas, bmaj=1.127 mas, bpa=-0.4567 degrees ! Estimated noise=245.448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000436741 Jy ! Component: 100 - total flux cleaned = -0.000473221 Jy ! Component: 150 - total flux cleaned = -0.00050911 Jy ! Component: 200 - total flux cleaned = -0.000523048 Jy ! Total flux subtracted in 200 components = -0.000523048 Jy ! Clean residual min=-0.001172 max=0.001153 Jy/beam ! Clean residual mean=-0.000013 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0935529 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 0.0935529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149465Jy sigma=0.001196 ! Fit after self-cal, rms=0.149468Jy sigma=0.001196 wmodel J1738+3224_X_2009_04_21_pus_map.mod ! Writing 23 model components to file: J1738+3224_X_2009_04_21_pus_map.mod wobs J1738+3224_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1738+3224_X_2009_04_21_pus_uvs.fits wwins J1738+3224_X_2009_04_21_pus_map.win ! wwins: Wrote 1 windows to J1738+3224_X_2009_04_21_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 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00017327 Jy ! Component: 100 - total flux cleaned = -0.000193688 Jy ! Component: 150 - total flux cleaned = -0.000155821 Jy ! Component: 200 - total flux cleaned = -6.43818e-05 Jy ! Component: 250 - total flux cleaned = -4.66165e-05 Jy ! Component: 300 - total flux cleaned = -1.20121e-05 Jy ! Component: 350 - total flux cleaned = -4.60271e-05 Jy ! Component: 400 - total flux cleaned = -0.000129571 Jy ! Component: 450 - total flux cleaned = -0.000195358 Jy ! Component: 500 - total flux cleaned = -0.000227793 Jy ! Component: 550 - total flux cleaned = -0.000276043 Jy ! Component: 600 - total flux cleaned = -0.000323667 Jy ! Component: 650 - total flux cleaned = -0.000402051 Jy ! Component: 700 - total flux cleaned = -0.000464173 Jy ! Component: 750 - total flux cleaned = -0.000510267 Jy ! Component: 800 - total flux cleaned = -0.000571158 Jy ! Component: 850 - total flux cleaned = -0.000616336 Jy ! Component: 900 - total flux cleaned = -0.000646355 Jy ! Component: 950 - total flux cleaned = -0.000705496 Jy ! Component: 1000 - total flux cleaned = -0.000734949 Jy ! Component: 1050 - total flux cleaned = -0.000778586 Jy ! Component: 1100 - total flux cleaned = -0.000793006 Jy ! Component: 1150 - total flux cleaned = -0.000835963 Jy ! Component: 1200 - total flux cleaned = -0.000836016 Jy ! Component: 1250 - total flux cleaned = -0.000878436 Jy ! Component: 1300 - total flux cleaned = -0.000934588 Jy ! Component: 1350 - total flux cleaned = -0.000934575 Jy ! Component: 1400 - total flux cleaned = -0.000962287 Jy ! Component: 1450 - total flux cleaned = -0.000976127 Jy ! Component: 1500 - total flux cleaned = -0.00101715 Jy ! Component: 1550 - total flux cleaned = -0.00103067 Jy ! Component: 1600 - total flux cleaned = -0.00107125 Jy ! Component: 1650 - total flux cleaned = -0.00109809 Jy ! Component: 1700 - total flux cleaned = -0.00112474 Jy ! Component: 1750 - total flux cleaned = -0.00115136 Jy ! Component: 1800 - total flux cleaned = -0.00117778 Jy ! Component: 1850 - total flux cleaned = -0.00121712 Jy ! Component: 1900 - total flux cleaned = -0.00123009 Jy ! Component: 1950 - total flux cleaned = -0.00124305 Jy ! Component: 2000 - total flux cleaned = -0.00126883 Jy ! Total flux subtracted in 2048 components = -0.00126879 Jy ! Clean residual min=-0.000681 max=0.000845 Jy/beam ! Clean residual mean=-0.000006 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0922841 Jy keep ! Adding 174 model components to the UV plane model. ! The established model now contains 197 components and 0.0922841 Jy ![Exited script file: muppet] wmap "J1738+3224_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6176 x 1.127 at -0.4567 degrees (North through East) ! Clean map min=-0.00094468 max=0.083403 Jy/beam ! Writing clean map to FITS file: J1738+3224_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0834033 invert ! Inverting map ! Your choice of large map pixels excluded 4.91% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000231429 device "J1738+3224_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1738+3224_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.832444 0.832444 1.66489 3.32978 6.65956 13.3191 26.6382 53.2764 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.083 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6176 x 1.127 at -0.4567 degrees (North through East) ! Clean map min=-0.00094468 max=0.083403 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1738+3224_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1738+3224_X_2009_04_21_pus_map.gif/vgif' mapplot cln