! Started logfile: J1747+4658_X_2011_06_28_pus_uvs.log on Sat Apr 21 13:06:38 2012 obs J1747+4658_X_2011_06_28_pus_uva.fits ! Reading UV FITS file: J1747+4658_X_2011_06_28_pus_uva.fits ! AN table 1: 142 integrations on 153 of 153 possible baselines. ! AN table 2: 307 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.304497 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1747+4658 ! ! 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 5249 lines of history. ! ! Reading 83672 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 J1747+4658_X_2011_06_28_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 1001 telescope corrections were flagged in sub-array 1. ! A total of 2657 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1001 telescope corrections were flagged in sub-array 1. ! A total of 2657 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1001 telescope corrections were flagged in sub-array 1. ! A total of 2657 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1001 telescope corrections were flagged in sub-array 1. ! A total of 2657 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.784371Jy sigma=0.007365 ! Fit after self-cal, rms=0.689562Jy sigma=0.006500 ! 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 7.01% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5102 mas, bmaj=0.8066 mas, bpa=-0.4076 degrees ! Estimated noise=563.417 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 = 0.259978 Jy ! Component: 100 - total flux cleaned = 0.318226 Jy ! Total flux subtracted in 100 components = 0.318226 Jy ! Clean residual min=-0.007150 max=0.020792 Jy/beam ! Clean residual mean=0.000022 rms=0.001497 Jy/beam ! Combined flux in latest and established models = 0.318226 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.318226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181271Jy sigma=0.001427 ! Fit after self-cal, rms=0.181235Jy sigma=0.001426 ! Inverting map ! Your choice of large map pixels excluded 7.01% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.022703 Jy ! Component: 100 - total flux cleaned = 0.0346311 Jy ! Total flux subtracted in 100 components = 0.0346311 Jy ! Clean residual min=-0.004808 max=0.006606 Jy/beam ! Clean residual mean=0.000014 rms=0.001136 Jy/beam ! Combined flux in latest and established models = 0.352857 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.352857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177835Jy sigma=0.001375 ! Fit after self-cal, rms=0.177815Jy sigma=0.001374 ! Inverting map ! Your choice of large map pixels excluded 7.01% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00785616 Jy ! Component: 100 - total flux cleaned = 0.0127698 Jy ! Total flux subtracted in 100 components = 0.0127698 Jy ! Clean residual min=-0.004642 max=0.005621 Jy/beam ! Clean residual mean=0.000011 rms=0.001076 Jy/beam ! Combined flux in latest and established models = 0.365627 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 0.365627 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177357Jy sigma=0.001366 ! Fit after self-cal, rms=0.177351Jy sigma=0.001366 ! Inverting map ! Your choice of large map pixels excluded 7.01% of the data. ! The x-axis pixel size should ideally be below 0.1491 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 7.01% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5939 mas, bmaj=0.9624 mas, bpa=0.5523 degrees ! Estimated noise=271.028 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 (-3.4, 11.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00701445 Jy ! Component: 100 - total flux cleaned = 0.0113223 Jy ! Component: 150 - total flux cleaned = 0.0136351 Jy ! Component: 200 - total flux cleaned = 0.0140698 Jy ! Total flux subtracted in 200 components = 0.0140698 Jy ! Clean residual min=-0.003965 max=0.005020 Jy/beam ! Clean residual mean=0.000091 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.379697 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.379697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177084Jy sigma=0.001362 ! Fit after self-cal, rms=0.177073Jy sigma=0.001362 ! Inverting map ! Your choice of large map pixels excluded 7.01% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 FT 1.00* HH 1.00* ! HN 0.98 KK 1.00* KP 1.01 MC 0.96 ! MK 1.00* NL 0.98 NY 0.99 OV 0.96 ! PT 0.98 SC 0.96 SH 1.00* TS 1.00* ! WF 0.96 WZ 0.94 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.97 FT 1.00* HH 1.00* ! HN 0.96 KK 1.05 KP 1.03 MC 1.01 ! MK 1.00 NL 1.04 NY 1.03 OV 0.98 ! PT 0.98 SC 1.05 SH 0.98 TS 1.10 ! WF 1.03 WZ 0.98 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 FT 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.99 MC 0.96 ! MK 1.00* NL 1.02 NY 0.95 OV 0.99 ! PT 0.99 SC 1.01 SH 1.00* TS 1.00* ! WF 0.97 WZ 0.92 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.93 FT 1.00* HH 1.00* ! HN 0.98 KK 1.00 KP 1.00 MC 1.01 ! MK 1.00 NL 1.09 NY 1.02 OV 1.01 ! PT 1.02 SC 1.10 SH 0.99 TS 1.11 ! WF 0.95 WZ 0.99 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 FT 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.00 MC 0.95 ! MK 1.00* NL 0.97 NY 1.02 OV 0.99 ! PT 0.96 SC 1.01 SH 1.00* TS 1.00* ! WF 0.99 WZ 0.91 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 FT 1.00* HH 1.00* ! HN 0.98 KK 1.06 KP 1.02 MC 1.00 ! MK 0.97 NL 1.03 NY 1.04 OV 1.01 ! PT 0.99 SC 1.12 SH 1.07 TS 1.10 ! WF 1.05 WZ 0.98 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 FT 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.95 MC 0.92 ! MK 1.00* NL 1.00 NY 0.98 OV 1.03 ! PT 1.00 SC 0.99 SH 1.00* TS 1.00* ! WF 0.97 WZ 0.97 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.97 FT 1.00* HH 1.00* ! HN 0.98 KK 1.04 KP 0.99 MC 0.97 ! MK 1.02 NL 1.06 NY 1.01 OV 1.03 ! PT 1.02 SC 1.13 SH 1.00 TS 1.10 ! WF 1.01 WZ 1.03 ! ! ! Fit before self-cal, rms=0.177073Jy sigma=0.001362 ! Fit after self-cal, rms=0.178365Jy sigma=0.001347 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5919 mas, bmaj=0.9717 mas, bpa=0.6585 degrees ! Estimated noise=270.471 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 = -0.000844062 Jy ! Component: 100 - total flux cleaned = -0.00154016 Jy ! Component: 150 - total flux cleaned = -0.00213243 Jy ! Component: 200 - total flux cleaned = -0.00239814 Jy ! Total flux subtracted in 200 components = -0.00239814 Jy ! Clean residual min=-0.002851 max=0.002363 Jy/beam ! Clean residual mean=0.000051 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.377299 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 33 components and 0.377299 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178305Jy sigma=0.001347 ! Fit after self-cal, rms=0.178302Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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=0.178302Jy sigma=0.001347 ! Fit after self-cal, rms=0.179550Jy sigma=0.001340 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5925 mas, bmaj=0.9688 mas, bpa=0.5446 degrees ! Estimated noise=270.384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000441068 Jy ! Component: 100 - total flux cleaned = -1.41964e-05 Jy ! Component: 150 - total flux cleaned = 0.00031825 Jy ! Component: 200 - total flux cleaned = 0.000562375 Jy ! Total flux subtracted in 200 components = 0.000562375 Jy ! Clean residual min=-0.001608 max=0.001675 Jy/beam ! Clean residual mean=0.000019 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.377861 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 42 components and 0.377861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179535Jy sigma=0.001340 ! Fit after self-cal, rms=0.179541Jy sigma=0.001340 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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 (3.2, 14.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000868242 Jy ! Component: 100 - total flux cleaned = 0.000964978 Jy ! Component: 150 - total flux cleaned = 0.000856636 Jy ! Component: 200 - total flux cleaned = 0.000761641 Jy ! Total flux subtracted in 200 components = 0.000761641 Jy ! Clean residual min=-0.001457 max=0.001525 Jy/beam ! Clean residual mean=0.000017 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.378623 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.378623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179519Jy sigma=0.001339 ! Fit after self-cal, rms=0.179516Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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=0.179516Jy sigma=0.001339 ! Fit after self-cal, rms=0.179662Jy sigma=0.001339 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5922 mas, bmaj=0.9687 mas, bpa=0.5261 degrees ! Estimated noise=270.505 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000313253 Jy ! Component: 100 - total flux cleaned = 0.000378226 Jy ! Component: 150 - total flux cleaned = 0.000516483 Jy ! Component: 200 - total flux cleaned = 0.000615554 Jy ! Total flux subtracted in 200 components = 0.000615554 Jy ! Clean residual min=-0.001423 max=0.001515 Jy/beam ! Clean residual mean=0.000017 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.379238 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 55 components and 0.379238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179653Jy sigma=0.001339 ! Fit after self-cal, rms=0.179653Jy sigma=0.001339 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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 = 2.44525e-05 Jy ! Component: 100 - total flux cleaned = 6.8869e-05 Jy ! Component: 150 - total flux cleaned = 0.000111151 Jy ! Component: 200 - total flux cleaned = 0.000171036 Jy ! Total flux subtracted in 200 components = 0.000171036 Jy ! Clean residual min=-0.001419 max=0.001519 Jy/beam ! Clean residual mean=0.000016 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.379409 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 59 components and 0.379409 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179649Jy sigma=0.001339 ! Fit after self-cal, rms=0.179649Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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=0.179649Jy sigma=0.001339 ! Fit after self-cal, rms=0.179685Jy sigma=0.001339 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=2.191 mas, bmaj=2.606 mas, bpa=53.02 degrees ! Estimated noise=399.355 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000686138 Jy ! Component: 100 - total flux cleaned = 0.000849457 Jy ! Component: 150 - total flux cleaned = 0.000949774 Jy ! Component: 200 - total flux cleaned = 0.00105572 Jy ! Total flux subtracted in 200 components = 0.00105572 Jy ! Clean residual min=-0.001775 max=0.001556 Jy/beam ! Clean residual mean=0.000053 rms=0.000479 Jy/beam ! Combined flux in latest and established models = 0.380465 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 66 components and 0.380465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179685Jy sigma=0.001339 ! Fit after self-cal, rms=0.179686Jy sigma=0.001339 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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 = 0.000158799 Jy ! Component: 100 - total flux cleaned = 0.000248544 Jy ! Component: 150 - total flux cleaned = 0.000328025 Jy ! Component: 200 - total flux cleaned = 0.000409678 Jy ! Total flux subtracted in 200 components = 0.000409678 Jy ! Clean residual min=-0.001773 max=0.001555 Jy/beam ! Clean residual mean=0.000047 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.380875 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 70 components and 0.380875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179689Jy sigma=0.001339 ! Fit after self-cal, rms=0.179689Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 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 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.592 mas, bmaj=0.9686 mas, bpa=0.5184 degrees ! Estimated noise=270.606 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.592 x 0.9686 at 0.5184 degrees (North through East) ! Clean map min=-0.0012053 max=0.34084 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 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5088 mas, bmaj=0.8119 mas, bpa=-0.5409 degrees ! Estimated noise=566.974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.261313 Jy ! Component: 100 - total flux cleaned = 0.321719 Jy ! Component: 150 - total flux cleaned = 0.34441 Jy ! Component: 200 - total flux cleaned = 0.355796 Jy ! Total flux subtracted in 200 components = 0.355796 Jy ! Clean residual min=-0.003346 max=0.005291 Jy/beam ! Clean residual mean=0.000003 rms=0.000831 Jy/beam ! Combined flux in latest and established models = 0.355796 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 5 model components to the UV plane model. ! The established model now contains 5 components and 0.355796 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.592 mas, bmaj=0.9686 mas, bpa=0.5184 degrees ! Estimated noise=270.606 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 = 0.00922337 Jy ! Component: 100 - total flux cleaned = 0.0143757 Jy ! Component: 150 - total flux cleaned = 0.0176953 Jy ! Component: 200 - total flux cleaned = 0.0200777 Jy ! Total flux subtracted in 200 components = 0.0200777 Jy ! Clean residual min=-0.001603 max=0.001615 Jy/beam ! Clean residual mean=0.000036 rms=0.000387 Jy/beam ! Combined flux in latest and established models = 0.375873 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 24 components and 0.375873 Jy ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! Estimated beam: bmin=0.5772 mas, bmaj=0.9026 mas, bpa=0.8442 degrees ! Estimated noise=324.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151458 Jy ! Component: 100 - total flux cleaned = 0.00224896 Jy ! Component: 150 - total flux cleaned = 0.00286835 Jy ! Component: 200 - total flux cleaned = 0.00325573 Jy ! Total flux subtracted in 200 components = 0.00325573 Jy ! Clean residual min=-0.001610 max=0.001987 Jy/beam ! Clean residual mean=0.000038 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.379129 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000254207 Jy ! Component: 100 - total flux cleaned = 0.00048288 Jy ! Component: 150 - total flux cleaned = 0.00068989 Jy ! Component: 200 - total flux cleaned = 0.00084674 Jy ! Total flux subtracted in 200 components = 0.00084674 Jy ! Clean residual min=-0.001620 max=0.001961 Jy/beam ! Clean residual mean=0.000031 rms=0.000432 Jy/beam ! Combined flux in latest and established models = 0.379976 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 38 components and 0.379976 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179689Jy sigma=0.001339 ! Fit after self-cal, rms=0.179684Jy sigma=0.001339 wmodel J1747+4658_X_2011_06_28_pus_map.mod ! Writing 38 model components to file: J1747+4658_X_2011_06_28_pus_map.mod wobs J1747+4658_X_2011_06_28_pus_uvs.fits ! Writing UV FITS file: J1747+4658_X_2011_06_28_pus_uvs.fits wwins J1747+4658_X_2011_06_28_pus_map.win ! wwins: Wrote 3 windows to J1747+4658_X_2011_06_28_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 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000898006 Jy ! Component: 100 - total flux cleaned = 0.00147121 Jy ! Component: 150 - total flux cleaned = 0.0017425 Jy ! Component: 200 - total flux cleaned = 0.0018299 Jy ! Component: 250 - total flux cleaned = 0.00188608 Jy ! Component: 300 - total flux cleaned = 0.00183077 Jy ! Component: 350 - total flux cleaned = 0.00183047 Jy ! Component: 400 - total flux cleaned = 0.00177713 Jy ! Component: 450 - total flux cleaned = 0.00172496 Jy ! Component: 500 - total flux cleaned = 0.00175135 Jy ! Component: 550 - total flux cleaned = 0.00175135 Jy ! Component: 600 - total flux cleaned = 0.00177629 Jy ! Component: 650 - total flux cleaned = 0.00177605 Jy ! Component: 700 - total flux cleaned = 0.00180082 Jy ! Component: 750 - total flux cleaned = 0.00189865 Jy ! Component: 800 - total flux cleaned = 0.0018987 Jy ! Component: 850 - total flux cleaned = 0.00197078 Jy ! Component: 900 - total flux cleaned = 0.00199467 Jy ! Component: 950 - total flux cleaned = 0.002042 Jy ! Component: 1000 - total flux cleaned = 0.00206543 Jy ! Component: 1050 - total flux cleaned = 0.00211206 Jy ! Component: 1100 - total flux cleaned = 0.00213521 Jy ! Component: 1150 - total flux cleaned = 0.00211244 Jy ! Component: 1200 - total flux cleaned = 0.00215801 Jy ! Component: 1250 - total flux cleaned = 0.00213564 Jy ! Component: 1300 - total flux cleaned = 0.00215827 Jy ! Component: 1350 - total flux cleaned = 0.00222536 Jy ! Component: 1400 - total flux cleaned = 0.00224749 Jy ! Component: 1450 - total flux cleaned = 0.0022474 Jy ! Component: 1500 - total flux cleaned = 0.00224772 Jy ! Component: 1550 - total flux cleaned = 0.00231298 Jy ! Component: 1600 - total flux cleaned = 0.00233457 Jy ! Component: 1650 - total flux cleaned = 0.00229169 Jy ! Component: 1700 - total flux cleaned = 0.00237722 Jy ! Component: 1750 - total flux cleaned = 0.002441 Jy ! Component: 1800 - total flux cleaned = 0.00237766 Jy ! Component: 1850 - total flux cleaned = 0.00244068 Jy ! Component: 1900 - total flux cleaned = 0.00250326 Jy ! Component: 1950 - total flux cleaned = 0.00244078 Jy ! Component: 2000 - total flux cleaned = 0.00250266 Jy ! Total flux subtracted in 2048 components = 0.00250263 Jy ! Clean residual min=-0.001244 max=0.001138 Jy/beam ! Clean residual mean=0.000017 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.382479 Jy keep ! Adding 172 model components to the UV plane model. ! The established model now contains 210 components and 0.382479 Jy ![Exited script file: muppet] wmap "J1747+4658_X_2011_06_28_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5772 x 0.9026 at 0.8442 degrees (North through East) ! Clean map min=-0.0014099 max=0.33978 Jy/beam ! Writing clean map to FITS file: J1747+4658_X_2011_06_28_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.339779 invert ! Inverting map ! Your choice of large map pixels excluded 7% of the data. ! The x-axis pixel size should ideally be below 0.1491 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000365356 device "J1747+4658_X_2011_06_28_pus\_map.eps/VPS" ! Attempting to open device: 'J1747+4658_X_2011_06_28_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.322582 0.322582 0.645165 1.29033 2.58066 5.16132 10.3226 20.6453 41.2906 82.5811 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.339 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5772 x 0.9026 at 0.8442 degrees (North through East) ! Clean map min=-0.0014099 max=0.33978 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1747+4658_X_2011_06_28_pus\_map.gif/vgif" ! Attempting to open device: 'J1747+4658_X_2011_06_28_pus_map.gif/vgif' mapplot cln