! Started logfile: J0508+8432_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:16:59 2010 obs J0508+8432_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0508+8432_X_2007_12_05_pus_uva.fits ! AN table 1: 377 integrations on 136 of 136 possible baselines. ! AN table 2: 114 integrations on 136 of 136 possible baselines. ! AN table 3: 129 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.148185 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0508+8432 ! ! 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 1501 lines of history. ! ! Reading 49980 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 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 4378 telescope corrections were flagged in sub-array 1. ! A total of 1488 telescope corrections were flagged in sub-array 2. ! A total of 921 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 4378 telescope corrections were flagged in sub-array 1. ! A total of 1488 telescope corrections were flagged in sub-array 2. ! A total of 921 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 4408 telescope corrections were flagged in sub-array 1. ! A total of 1488 telescope corrections were flagged in sub-array 2. ! A total of 921 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 4378 telescope corrections were flagged in sub-array 1. ! A total of 1488 telescope corrections were flagged in sub-array 2. ! A total of 959 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.927880Jy sigma=0.010067 ! Fit after self-cal, rms=0.881589Jy sigma=0.009671 ! 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 0.861% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.4561 mas, bmaj=0.8194 mas, bpa=-60.66 degrees ! Estimated noise=745.553 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 = 0.0825765 Jy ! Component: 100 - total flux cleaned = 0.115795 Jy ! Total flux subtracted in 100 components = 0.115795 Jy ! Clean residual min=-0.005235 max=0.015859 Jy/beam ! Clean residual mean=-0.000032 rms=0.001605 Jy/beam ! Combined flux in latest and established models = 0.115795 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.115795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139280Jy sigma=0.001270 ! Fit after self-cal, rms=0.138766Jy sigma=0.001264 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191008 Jy ! Component: 100 - total flux cleaned = 0.029447 Jy ! Total flux subtracted in 100 components = 0.029447 Jy ! Clean residual min=-0.003955 max=0.006593 Jy/beam ! Clean residual mean=-0.000026 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.145242 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 0.145242 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134607Jy sigma=0.001212 ! Fit after self-cal, rms=0.134505Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Added new window around map position (-0.6, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00725338 Jy ! Component: 100 - total flux cleaned = 0.0118082 Jy ! Total flux subtracted in 100 components = 0.0118082 Jy ! Clean residual min=-0.003570 max=0.005609 Jy/beam ! Clean residual mean=-0.000028 rms=0.000945 Jy/beam ! Combined flux in latest and established models = 0.15705 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 27 components and 0.15705 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133893Jy sigma=0.001204 ! Fit after self-cal, rms=0.133879Jy sigma=0.001203 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The y-axis pixel size should ideally be below 0.1965 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 0.861% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.6055 mas, bmaj=1.167 mas, bpa=-50.74 degrees ! Estimated noise=303.809 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 (0.2, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00757059 Jy ! Component: 100 - total flux cleaned = 0.0119567 Jy ! Component: 150 - total flux cleaned = 0.0147447 Jy ! Component: 200 - total flux cleaned = 0.0165913 Jy ! Total flux subtracted in 200 components = 0.0165913 Jy ! Clean residual min=-0.002598 max=0.001908 Jy/beam ! Clean residual mean=-0.000305 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.173641 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 55 components and 0.173641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133410Jy sigma=0.001198 ! Fit after self-cal, rms=0.133401Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.96 HH 1.00* HN 0.97 ! KB 1.03 KP 1.00 LA 0.97 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 0.97 ! PT 0.98 SV 1.00* TS 1.07 WZ 1.00* ! ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.91 ! KB 1.00* KP 1.00 LA 1.01 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 1.00* ! PT 0.94 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 1.01 HH 1.00* HN 1.12 ! KB 1.01 KP 1.01 LA 0.97 MK 1.00* ! NL 1.09 NY 1.00* ON 1.00* OV 0.97 ! PT 1.01 SV 1.00* TS 1.06 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HH 1.00* HN 0.97 ! KB 0.94 KP 0.97 LA 0.94 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 0.93 ! PT 1.05 SV 1.00* TS 1.09 WZ 1.00* ! ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.10 ! KB 1.00* KP 0.91 LA 0.94 MK 1.00* ! NL 1.10 NY 1.00* ON 1.00* OV 1.00* ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.01 HH 1.00* HN 1.05 ! KB 1.02 KP 0.95 LA 0.96 MK 1.00* ! NL 1.03 NY 1.00* ON 1.00* OV 0.97 ! PT 1.05 SV 1.00* TS 1.08 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.97 HH 1.00* HN 0.86 ! KB 0.94 KP 1.01 LA 1.03 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 1.00 ! PT 1.04 SV 1.00* TS 1.09 WZ 1.00* ! ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 0.91 ! KB 1.00* KP 0.97 LA 0.98 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 1.00* ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.00 HH 1.00* HN 1.31 ! KB 0.98 KP 1.01 LA 1.01 MK 1.00* ! NL 1.03 NY 1.00* ON 1.00* OV 1.02 ! PT 1.05 SV 1.00* TS 1.11 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.93 HH 1.00* HN 0.93 ! KB 0.79 KP 1.00 LA 0.98 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 0.97 ! PT 1.03 SV 1.00* TS 1.38 WZ 1.00* ! ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.06 ! KB 1.00* KP 1.08 LA 0.99 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 1.00* ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 HH 1.00* HN 0.92 ! KB 1.00 KP 0.98 LA 1.00 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.00 ! PT 1.06 SV 1.00* TS 1.08 WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.133401Jy sigma=0.001198 ! Fit after self-cal, rms=0.135090Jy sigma=0.001196 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.613 mas, bmaj=1.168 mas, bpa=-51.25 degrees ! Estimated noise=307.788 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 = 0.00114166 Jy ! Component: 100 - total flux cleaned = 0.00122976 Jy ! Component: 150 - total flux cleaned = 0.00125956 Jy ! Component: 200 - total flux cleaned = 0.00130872 Jy ! Total flux subtracted in 200 components = 0.00130872 Jy ! Clean residual min=-0.001656 max=0.001469 Jy/beam ! Clean residual mean=-0.000069 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.17495 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 69 components and 0.17495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135062Jy sigma=0.001196 ! Fit after self-cal, rms=0.135048Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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=0.135048Jy sigma=0.001196 ! Fit after self-cal, rms=0.135846Jy sigma=0.001195 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.6137 mas, bmaj=1.164 mas, bpa=-51.62 degrees ! Estimated noise=307.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000256943 Jy ! Component: 100 - total flux cleaned = 0.000454233 Jy ! Component: 150 - total flux cleaned = 0.000453773 Jy ! Component: 200 - total flux cleaned = 0.000454068 Jy ! Total flux subtracted in 200 components = 0.000454068 Jy ! Clean residual min=-0.001384 max=0.001536 Jy/beam ! Clean residual mean=-0.000034 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.175404 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 74 components and 0.175404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135832Jy sigma=0.001195 ! Fit after self-cal, rms=0.135856Jy sigma=0.001195 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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 (-21.8, 21.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000929188 Jy ! Component: 100 - total flux cleaned = 0.00108143 Jy ! Component: 150 - total flux cleaned = 0.00112774 Jy ! Component: 200 - total flux cleaned = 0.00112684 Jy ! Total flux subtracted in 200 components = 0.00112684 Jy ! Clean residual min=-0.001297 max=0.001224 Jy/beam ! Clean residual mean=-0.000049 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.176531 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 85 components and 0.176531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135840Jy sigma=0.001195 ! Fit after self-cal, rms=0.135837Jy sigma=0.001195 ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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=0.135837Jy sigma=0.001195 ! Fit after self-cal, rms=0.136389Jy sigma=0.001195 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.614 mas, bmaj=1.159 mas, bpa=-51.95 degrees ! Estimated noise=307.526 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00065761 Jy ! Component: 100 - total flux cleaned = 0.000890561 Jy ! Component: 150 - total flux cleaned = 0.000870839 Jy ! Component: 200 - total flux cleaned = 0.000870479 Jy ! Total flux subtracted in 200 components = 0.000870479 Jy ! Clean residual min=-0.001269 max=0.001207 Jy/beam ! Clean residual mean=-0.000028 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.177401 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 90 components and 0.177401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136379Jy sigma=0.001195 ! Fit after self-cal, rms=0.136393Jy sigma=0.001195 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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 = 7.90438e-05 Jy ! Component: 100 - total flux cleaned = 7.94116e-05 Jy ! Component: 150 - total flux cleaned = 6.20977e-05 Jy ! Component: 200 - total flux cleaned = 2.87837e-05 Jy ! Total flux subtracted in 200 components = 2.87837e-05 Jy ! Clean residual min=-0.001266 max=0.001182 Jy/beam ! Clean residual mean=-0.000029 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.17743 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 95 components and 0.17743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136386Jy sigma=0.001195 ! Fit after self-cal, rms=0.136386Jy sigma=0.001195 ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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=0.136386Jy sigma=0.001195 ! Fit after self-cal, rms=0.136591Jy sigma=0.001194 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=2.679 mas, bmaj=3.334 mas, bpa=-78.67 degrees ! Estimated noise=380.674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000405244 Jy ! Component: 100 - total flux cleaned = 0.000523947 Jy ! Component: 150 - total flux cleaned = 0.000548305 Jy ! Component: 200 - total flux cleaned = 0.000554613 Jy ! Total flux subtracted in 200 components = 0.000554613 Jy ! Clean residual min=-0.001060 max=0.001073 Jy/beam ! Clean residual mean=-0.000045 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.177985 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 101 components and 0.177985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136589Jy sigma=0.001194 ! Fit after self-cal, rms=0.136593Jy sigma=0.001194 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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 = -1.72911e-06 Jy ! Component: 100 - total flux cleaned = 5.40579e-05 Jy ! Component: 150 - total flux cleaned = 5.98975e-05 Jy ! Component: 200 - total flux cleaned = 5.45305e-05 Jy ! Total flux subtracted in 200 components = 5.45305e-05 Jy ! Clean residual min=-0.001059 max=0.001076 Jy/beam ! Clean residual mean=-0.000047 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.178039 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 104 components and 0.178039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136591Jy sigma=0.001194 ! Fit after self-cal, rms=0.136591Jy sigma=0.001194 ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.6141 mas, bmaj=1.156 mas, bpa=-52.11 degrees ! Estimated noise=307.407 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6141 x 1.156 at -52.11 degrees (North through East) ! Clean map min=-0.0010162 max=0.11502 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 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.4589 mas, bmaj=0.8139 mas, bpa=-63.37 degrees ! Estimated noise=701.893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0817059 Jy ! Component: 100 - total flux cleaned = 0.115467 Jy ! Component: 150 - total flux cleaned = 0.133358 Jy ! Component: 200 - total flux cleaned = 0.143575 Jy ! Total flux subtracted in 200 components = 0.143575 Jy ! Clean residual min=-0.003822 max=0.005882 Jy/beam ! Clean residual mean=0.000007 rms=0.001004 Jy/beam ! Combined flux in latest and established models = 0.143575 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.143575 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.6141 mas, bmaj=1.156 mas, bpa=-52.11 degrees ! Estimated noise=307.407 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 = 0.0126396 Jy ! Component: 100 - total flux cleaned = 0.0199054 Jy ! Component: 150 - total flux cleaned = 0.0244284 Jy ! Component: 200 - total flux cleaned = 0.0273743 Jy ! Total flux subtracted in 200 components = 0.0273743 Jy ! Clean residual min=-0.001490 max=0.001673 Jy/beam ! Clean residual mean=0.000085 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.170949 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 50 components and 0.170949 Jy ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Added new window around map position (0.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00212448 Jy ! Component: 100 - total flux cleaned = 0.00368653 Jy ! Component: 150 - total flux cleaned = 0.00485642 Jy ! Component: 200 - total flux cleaned = 0.00574889 Jy ! Total flux subtracted in 200 components = 0.00574889 Jy ! Clean residual min=-0.001283 max=0.001186 Jy/beam ! Clean residual mean=-0.000001 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.176698 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 68 components and 0.176698 Jy ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 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 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=2.679 mas, bmaj=3.334 mas, bpa=-78.67 degrees ! Estimated noise=380.674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000723303 Jy ! Component: 100 - total flux cleaned = 0.00110959 Jy ! Component: 150 - total flux cleaned = 0.00125064 Jy ! Component: 200 - total flux cleaned = 0.00133623 Jy ! Total flux subtracted in 200 components = 0.00133623 Jy ! Clean residual min=-0.001032 max=0.001064 Jy/beam ! Clean residual mean=-0.000045 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.178034 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 = 5.00573e-05 Jy ! Component: 100 - total flux cleaned = 7.47737e-05 Jy ! Component: 150 - total flux cleaned = 7.47281e-05 Jy ! Component: 200 - total flux cleaned = 7.46994e-05 Jy ! Total flux subtracted in 200 components = 7.46994e-05 Jy ! Clean residual min=-0.001034 max=0.001068 Jy/beam ! Clean residual mean=-0.000048 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.178109 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 89 components and 0.178109 Jy ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! Estimated beam: bmin=0.6141 mas, bmaj=1.156 mas, bpa=-52.11 degrees ! Estimated noise=307.407 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000265365 Jy ! Component: 100 - total flux cleaned = -0.00026507 Jy ! Component: 150 - total flux cleaned = -0.000264718 Jy ! Component: 200 - total flux cleaned = -0.000282394 Jy ! Total flux subtracted in 200 components = -0.000282394 Jy ! Clean residual min=-0.001211 max=0.001168 Jy/beam ! Clean residual mean=-0.000020 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.177826 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 97 components and 0.177826 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136600Jy sigma=0.001194 ! Fit after self-cal, rms=0.136590Jy sigma=0.001194 wmodel J0508+8432_X_2007_12_05_pus_map.mod ! Writing 97 model components to file: J0508+8432_X_2007_12_05_pus_map.mod wobs J0508+8432_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0508+8432_X_2007_12_05_pus_uvs.fits wwins J0508+8432_X_2007_12_05_pus_map.win ! wwins: Wrote 5 windows to J0508+8432_X_2007_12_05_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 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000254325 Jy ! Component: 100 - total flux cleaned = -0.000361537 Jy ! Component: 150 - total flux cleaned = -0.000361808 Jy ! Component: 200 - total flux cleaned = -0.000361558 Jy ! Component: 250 - total flux cleaned = -0.000264586 Jy ! Component: 300 - total flux cleaned = -0.000245913 Jy ! Component: 350 - total flux cleaned = -0.000245948 Jy ! Component: 400 - total flux cleaned = -0.000264197 Jy ! Component: 450 - total flux cleaned = -0.000317146 Jy ! Component: 500 - total flux cleaned = -0.000334749 Jy ! Component: 550 - total flux cleaned = -0.000454565 Jy ! Component: 600 - total flux cleaned = -0.000504837 Jy ! Component: 650 - total flux cleaned = -0.000554659 Jy ! Component: 700 - total flux cleaned = -0.000636115 Jy ! Component: 750 - total flux cleaned = -0.000668088 Jy ! Component: 800 - total flux cleaned = -0.000747382 Jy ! Component: 850 - total flux cleaned = -0.000809737 Jy ! Component: 900 - total flux cleaned = -0.000809737 Jy ! Component: 950 - total flux cleaned = -0.000870946 Jy ! Component: 1000 - total flux cleaned = -0.000901138 Jy ! Component: 1050 - total flux cleaned = -0.000930997 Jy ! Component: 1100 - total flux cleaned = -0.000990004 Jy ! Component: 1150 - total flux cleaned = -0.000989891 Jy ! Component: 1200 - total flux cleaned = -0.0010189 Jy ! Component: 1250 - total flux cleaned = -0.00106193 Jy ! Component: 1300 - total flux cleaned = -0.00107597 Jy ! Component: 1350 - total flux cleaned = -0.00110411 Jy ! Component: 1400 - total flux cleaned = -0.00111818 Jy ! Component: 1450 - total flux cleaned = -0.00117347 Jy ! Component: 1500 - total flux cleaned = -0.00120078 Jy ! Component: 1550 - total flux cleaned = -0.00121432 Jy ! Component: 1600 - total flux cleaned = -0.00124126 Jy ! Component: 1650 - total flux cleaned = -0.00125461 Jy ! Component: 1700 - total flux cleaned = -0.00128108 Jy ! Component: 1750 - total flux cleaned = -0.00129435 Jy ! Component: 1800 - total flux cleaned = -0.00129431 Jy ! Component: 1850 - total flux cleaned = -0.0013073 Jy ! Component: 1900 - total flux cleaned = -0.00130731 Jy ! Component: 1950 - total flux cleaned = -0.00133289 Jy ! Component: 2000 - total flux cleaned = -0.00132014 Jy ! Total flux subtracted in 2048 components = -0.00135796 Jy ! Clean residual min=-0.000680 max=0.000763 Jy/beam ! Clean residual mean=0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.176468 Jy keep ! Adding 150 model components to the UV plane model. ! The established model now contains 247 components and 0.176468 Jy wmap "J0508+8432_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6141 x 1.156 at -52.11 degrees (North through East) ! Clean map min=-0.00091914 max=0.11466 Jy/beam ! Writing clean map to FITS file: J0508+8432_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.114658 invert ! Inverting map ! Your choice of large map pixels excluded 0.87% of the data. ! The y-axis pixel size should ideally be below 0.1965 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000224802 device "J0508+8432_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0508+8432_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.588191 0.588191 1.17638 2.35276 4.70552 9.41105 18.8221 37.6442 75.2884 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.114 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6141 x 1.156 at -52.11 degrees (North through East) ! Clean map min=-0.00091914 max=0.11466 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0508+8432_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0508+8432_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0508+8432_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:17:12 2010