! Started logfile: J1522-2730_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:36:29 2011 obs J1522-2730_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1522-2730_X_2009_04_21_pus_uva.fits ! AN table 1: 28 integrations on 120 of 120 possible baselines. ! AN table 2: 45 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.224429 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1522-2730 ! ! 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 7864 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 J1522-2730_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 197 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 197 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 197 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 197 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.554198Jy sigma=0.004145 ! Fit after self-cal, rms=0.309255Jy sigma=0.002078 ! 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 0.369% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.6959 mas, bmaj=2.006 mas, bpa=-6.691 degrees ! Estimated noise=1523.98 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 = 0.592374 Jy ! Component: 100 - total flux cleaned = 0.726106 Jy ! Total flux subtracted in 100 components = 0.726106 Jy ! Clean residual min=-0.016250 max=0.048788 Jy/beam ! Clean residual mean=0.000603 rms=0.005326 Jy/beam ! Combined flux in latest and established models = 0.726106 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.726106 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220546Jy sigma=0.001517 ! Fit after self-cal, rms=0.220555Jy sigma=0.001517 ! Inverting map ! Your choice of large map pixels excluded 0.369% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0537033 Jy ! Component: 100 - total flux cleaned = 0.0843218 Jy ! Total flux subtracted in 100 components = 0.0843218 Jy ! Clean residual min=-0.012233 max=0.025397 Jy/beam ! Clean residual mean=0.000350 rms=0.003823 Jy/beam ! Combined flux in latest and established models = 0.810428 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 21 components and 0.810428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204280Jy sigma=0.001329 ! Fit after self-cal, rms=0.204306Jy sigma=0.001329 ! Inverting map ! Your choice of large map pixels excluded 0.369% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Added new window around map position (-1.2, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0256625 Jy ! Component: 100 - total flux cleaned = 0.0425006 Jy ! Total flux subtracted in 100 components = 0.0425006 Jy ! Clean residual min=-0.011773 max=0.016532 Jy/beam ! Clean residual mean=0.000221 rms=0.003362 Jy/beam ! Combined flux in latest and established models = 0.852929 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 34 components and 0.852929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200367Jy sigma=0.001282 ! Fit after self-cal, rms=0.200254Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 0.369% of the data. ! The x-axis pixel size should ideally be below 0.1935 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 0.369% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8529 mas, bmaj=2.344 mas, bpa=-7.382 degrees ! Estimated noise=1079.7 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 (0.6, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198362 Jy ! Component: 100 - total flux cleaned = 0.0316242 Jy ! Component: 150 - total flux cleaned = 0.0362909 Jy ! Component: 200 - total flux cleaned = 0.0391728 Jy ! Total flux subtracted in 200 components = 0.0391728 Jy ! Clean residual min=-0.010933 max=0.010815 Jy/beam ! Clean residual mean=0.000476 rms=0.002722 Jy/beam ! Combined flux in latest and established models = 0.892101 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 58 components and 0.892101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198358Jy sigma=0.001257 ! Fit after self-cal, rms=0.198352Jy sigma=0.001257 ! Inverting map ! Your choice of large map pixels excluded 0.369% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.02 KB 1.00* ! KK 1.04 KP 0.96 LA 0.99 MK 0.99 ! NL 0.98 NY 1.00* OV 0.98 PT 0.97 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 HN 1.02 KB 1.00* ! KK 1.00* KP 0.97 LA 1.02 MK 1.00* ! NL 1.05 NY 1.00* OV 1.03 PT 1.01 ! SC 0.97 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 1.02 KB 1.00* ! KK 1.01 KP 0.96 LA 1.01 MK 0.97 ! NL 0.97 NY 1.00* OV 0.97 PT 0.98 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HN 1.03 KB 1.00* ! KK 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 1.03 NY 1.00* OV 1.00 PT 1.01 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.02 KB 1.00* ! KK 1.11 KP 0.99 LA 1.01 MK 1.02 ! NL 1.00 NY 1.00* OV 1.00 PT 0.97 ! SC 1.05 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 HN 1.02 KB 1.00* ! KK 1.00* KP 0.99 LA 1.01 MK 1.00* ! NL 1.06 NY 1.00* OV 1.01 PT 1.01 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 1.04 KB 1.00* ! KK 1.02 KP 0.98 LA 1.03 MK 1.01 ! NL 1.00 NY 1.00* OV 1.00 PT 0.96 ! SC 1.05 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 HN 0.99 KB 1.00* ! KK 1.00* KP 1.00 LA 0.99 MK 1.00* ! NL 1.07 NY 1.00* OV 1.04 PT 1.02 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.198352Jy sigma=0.001257 ! Fit after self-cal, rms=0.200192Jy sigma=0.001230 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8623 mas, bmaj=2.372 mas, bpa=-8.251 degrees ! Estimated noise=1097.29 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 = -0.00685868 Jy ! Component: 100 - total flux cleaned = -0.00797294 Jy ! Component: 150 - total flux cleaned = -0.00827512 Jy ! Component: 200 - total flux cleaned = -0.00827238 Jy ! Total flux subtracted in 200 components = -0.00827238 Jy ! Clean residual min=-0.010509 max=0.010143 Jy/beam ! Clean residual mean=-0.000383 rms=0.002336 Jy/beam ! Combined flux in latest and established models = 0.883829 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 65 components and 0.883829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199832Jy sigma=0.001228 ! Fit after self-cal, rms=0.199861Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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=0.199861Jy sigma=0.001228 ! Fit after self-cal, rms=0.199121Jy sigma=0.001212 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8631 mas, bmaj=2.375 mas, bpa=-8.241 degrees ! Estimated noise=1099.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010206 Jy ! Component: 100 - total flux cleaned = -0.00127033 Jy ! Component: 150 - total flux cleaned = -0.00148756 Jy ! Component: 200 - total flux cleaned = -0.0015824 Jy ! Total flux subtracted in 200 components = -0.0015824 Jy ! Clean residual min=-0.008696 max=0.009650 Jy/beam ! Clean residual mean=-0.000309 rms=0.002093 Jy/beam ! Combined flux in latest and established models = 0.882247 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 79 components and 0.882247 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199000Jy sigma=0.001211 ! Fit after self-cal, rms=0.199011Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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 (-17.2, 25.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00848793 Jy ! Component: 100 - total flux cleaned = 0.0122585 Jy ! Component: 150 - total flux cleaned = 0.0129076 Jy ! Component: 200 - total flux cleaned = 0.0130848 Jy ! Total flux subtracted in 200 components = 0.0130848 Jy ! Clean residual min=-0.008163 max=0.008274 Jy/beam ! Clean residual mean=-0.000257 rms=0.002045 Jy/beam ! Combined flux in latest and established models = 0.895332 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 93 components and 0.895332 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198602Jy sigma=0.001208 ! Fit after self-cal, rms=0.198553Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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=0.198553Jy sigma=0.001208 ! Fit after self-cal, rms=0.196502Jy sigma=0.001174 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8636 mas, bmaj=2.379 mas, bpa=-8.192 degrees ! Estimated noise=1099.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00400934 Jy ! Component: 100 - total flux cleaned = -0.00591302 Jy ! Component: 150 - total flux cleaned = -0.006932 Jy ! Component: 200 - total flux cleaned = -0.00752144 Jy ! Total flux subtracted in 200 components = -0.00752144 Jy ! Clean residual min=-0.005127 max=0.004838 Jy/beam ! Clean residual mean=0.000023 rms=0.001238 Jy/beam ! Combined flux in latest and established models = 0.88781 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 110 components and 0.88781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196315Jy sigma=0.001173 ! Fit after self-cal, rms=0.196358Jy sigma=0.001173 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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 = -0.000793698 Jy ! Component: 100 - total flux cleaned = -0.00120978 Jy ! Component: 150 - total flux cleaned = -0.00136349 Jy ! Component: 200 - total flux cleaned = -0.00157769 Jy ! Total flux subtracted in 200 components = -0.00157769 Jy ! Clean residual min=-0.005077 max=0.004831 Jy/beam ! Clean residual mean=0.000015 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 0.886232 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 118 components and 0.886232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196288Jy sigma=0.001172 ! Fit after self-cal, rms=0.196291Jy sigma=0.001172 ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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=0.196291Jy sigma=0.001172 ! Fit after self-cal, rms=0.196510Jy sigma=0.001172 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=2.208 mas, bmaj=5.119 mas, bpa=-6.999 degrees ! Estimated noise=1370.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00281901 Jy ! Component: 100 - total flux cleaned = -0.00425271 Jy ! Component: 150 - total flux cleaned = -0.00448996 Jy ! Component: 200 - total flux cleaned = -0.00459697 Jy ! Total flux subtracted in 200 components = -0.00459697 Jy ! Clean residual min=-0.005077 max=0.005066 Jy/beam ! Clean residual mean=0.000088 rms=0.001373 Jy/beam ! Combined flux in latest and established models = 0.881635 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 127 components and 0.881635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196477Jy sigma=0.001172 ! Fit after self-cal, rms=0.196480Jy sigma=0.001172 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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 = -0.000230339 Jy ! Component: 100 - total flux cleaned = -0.000230904 Jy ! Component: 150 - total flux cleaned = -0.000229845 Jy ! Component: 200 - total flux cleaned = -0.000230265 Jy ! Total flux subtracted in 200 components = -0.000230265 Jy ! Clean residual min=-0.005062 max=0.004894 Jy/beam ! Clean residual mean=0.000082 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.881405 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 130 components and 0.881405 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196469Jy sigma=0.001172 ! Fit after self-cal, rms=0.196471Jy sigma=0.001172 ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8636 mas, bmaj=2.38 mas, bpa=-8.177 degrees ! Estimated noise=1099.37 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8636 x 2.38 at -8.177 degrees (North through East) ! Clean map min=-0.0046173 max=0.76978 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196471Jy sigma=0.001172 ! Fit after self-cal, rms=0.196574Jy sigma=0.001089 ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8635 mas, bmaj=2.38 mas, bpa=-8.172 degrees ! Estimated noise=1098.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000877728 Jy ! Component: 100 - total flux cleaned = -0.00123929 Jy ! Component: 150 - total flux cleaned = -0.00136967 Jy ! Component: 200 - total flux cleaned = -0.00148925 Jy ! Total flux subtracted in 200 components = -0.00148925 Jy ! Clean residual min=-0.004910 max=0.004461 Jy/beam ! Clean residual mean=0.000043 rms=0.001169 Jy/beam ! Combined flux in latest and established models = 0.879916 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 139 components and 0.879916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196528Jy sigma=0.001088 ! Fit after self-cal, rms=0.196529Jy sigma=0.001088 ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.86014e-05 Jy ! Component: 100 - total flux cleaned = 1.37666e-05 Jy ! Component: 150 - total flux cleaned = -9.07152e-05 Jy ! Component: 200 - total flux cleaned = -0.000140088 Jy ! Total flux subtracted in 200 components = -0.000140088 Jy ! Clean residual min=-0.004870 max=0.004446 Jy/beam ! Clean residual mean=0.000043 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 0.879776 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 142 components and 0.879776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196499Jy sigma=0.001088 ! Fit after self-cal, rms=0.196499Jy sigma=0.001088 ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196499Jy sigma=0.001088 ! Fit after self-cal, rms=0.196759Jy sigma=0.001088 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 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.7036 mas, bmaj=2.023 mas, bpa=-7.074 degrees ! Estimated noise=1547.81 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.595541 Jy ! Component: 100 - total flux cleaned = 0.728673 Jy ! Component: 150 - total flux cleaned = 0.779283 Jy ! Component: 200 - total flux cleaned = 0.807776 Jy ! Total flux subtracted in 200 components = 0.807776 Jy ! Clean residual min=-0.010577 max=0.014923 Jy/beam ! Clean residual mean=0.000015 rms=0.002475 Jy/beam ! Combined flux in latest and established models = 0.807776 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.807776 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8637 mas, bmaj=2.381 mas, bpa=-8.159 degrees ! Estimated noise=1098.27 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 = 0.0265766 Jy ! Component: 100 - total flux cleaned = 0.041732 Jy ! Component: 150 - total flux cleaned = 0.0511479 Jy ! Component: 200 - total flux cleaned = 0.0573087 Jy ! Total flux subtracted in 200 components = 0.0573087 Jy ! Clean residual min=-0.005354 max=0.005161 Jy/beam ! Clean residual mean=0.000039 rms=0.001305 Jy/beam ! Combined flux in latest and established models = 0.865085 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 56 components and 0.865085 Jy ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 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 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=2.211 mas, bmaj=5.127 mas, bpa=-6.973 degrees ! Estimated noise=1368.57 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00610956 Jy ! Component: 100 - total flux cleaned = 0.0095547 Jy ! Component: 150 - total flux cleaned = 0.0107486 Jy ! Component: 200 - total flux cleaned = 0.0112975 Jy ! Total flux subtracted in 200 components = 0.0112975 Jy ! Clean residual min=-0.004800 max=0.004844 Jy/beam ! Clean residual mean=0.000094 rms=0.001322 Jy/beam ! Combined flux in latest and established models = 0.876382 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 = 0.000267054 Jy ! Component: 100 - total flux cleaned = 0.000445722 Jy ! Component: 150 - total flux cleaned = 0.000526716 Jy ! Component: 200 - total flux cleaned = 0.0005636 Jy ! Total flux subtracted in 200 components = 0.0005636 Jy ! Clean residual min=-0.004646 max=0.004781 Jy/beam ! Clean residual mean=0.000096 rms=0.001313 Jy/beam ! Combined flux in latest and established models = 0.876946 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 101 components and 0.876946 Jy ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! Estimated beam: bmin=0.8637 mas, bmaj=2.381 mas, bpa=-8.159 degrees ! Estimated noise=1098.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.24396e-05 Jy ! Component: 100 - total flux cleaned = -0.000340065 Jy ! Component: 150 - total flux cleaned = -0.000518836 Jy ! Component: 200 - total flux cleaned = -0.000681321 Jy ! Total flux subtracted in 200 components = -0.000681321 Jy ! Clean residual min=-0.005020 max=0.004586 Jy/beam ! Clean residual mean=0.000047 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 0.876265 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 117 components and 0.876264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196958Jy sigma=0.001089 ! Fit after self-cal, rms=0.196915Jy sigma=0.001089 wmodel J1522-2730_X_2009_04_21_pus_map.mod ! Writing 117 model components to file: J1522-2730_X_2009_04_21_pus_map.mod wobs J1522-2730_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1522-2730_X_2009_04_21_pus_uvs.fits wwins J1522-2730_X_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J1522-2730_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 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117368 Jy ! Component: 100 - total flux cleaned = -0.00117794 Jy ! Component: 150 - total flux cleaned = -0.00117903 Jy ! Component: 200 - total flux cleaned = -0.00118106 Jy ! Component: 250 - total flux cleaned = -0.00111335 Jy ! Component: 300 - total flux cleaned = -0.00124867 Jy ! Component: 350 - total flux cleaned = -0.00137927 Jy ! Component: 400 - total flux cleaned = -0.00137854 Jy ! Component: 450 - total flux cleaned = -0.00137828 Jy ! Component: 500 - total flux cleaned = -0.00125365 Jy ! Component: 550 - total flux cleaned = -0.00100994 Jy ! Component: 600 - total flux cleaned = -0.000890797 Jy ! Component: 650 - total flux cleaned = -0.000713989 Jy ! Component: 700 - total flux cleaned = -0.000539266 Jy ! Component: 750 - total flux cleaned = -0.000308702 Jy ! Component: 800 - total flux cleaned = -0.000194481 Jy ! Component: 850 - total flux cleaned = 0.000144064 Jy ! Component: 900 - total flux cleaned = 0.000311586 Jy ! Component: 950 - total flux cleaned = 0.000643033 Jy ! Component: 1000 - total flux cleaned = 0.000970762 Jy ! Component: 1050 - total flux cleaned = 0.00124142 Jy ! Component: 1100 - total flux cleaned = 0.00161633 Jy ! Component: 1150 - total flux cleaned = 0.00198696 Jy ! Component: 1200 - total flux cleaned = 0.00230139 Jy ! Component: 1250 - total flux cleaned = 0.00240563 Jy ! Component: 1300 - total flux cleaned = 0.00286916 Jy ! Component: 1350 - total flux cleaned = 0.00302211 Jy ! Component: 1400 - total flux cleaned = 0.00342665 Jy ! Component: 1450 - total flux cleaned = 0.00352636 Jy ! Component: 1500 - total flux cleaned = 0.00382464 Jy ! Component: 1550 - total flux cleaned = 0.00397187 Jy ! Component: 1600 - total flux cleaned = 0.00406958 Jy ! Component: 1650 - total flux cleaned = 0.00431184 Jy ! Component: 1700 - total flux cleaned = 0.0043602 Jy ! Component: 1750 - total flux cleaned = 0.00464592 Jy ! Component: 1800 - total flux cleaned = 0.00464601 Jy ! Component: 1850 - total flux cleaned = 0.00483384 Jy ! Component: 1900 - total flux cleaned = 0.00488091 Jy ! Component: 1950 - total flux cleaned = 0.00506654 Jy ! Component: 2000 - total flux cleaned = 0.00515805 Jy ! Total flux subtracted in 2048 components = 0.00534055 Jy ! Clean residual min=-0.003121 max=0.002337 Jy/beam ! Clean residual mean=0.000041 rms=0.000869 Jy/beam ! Combined flux in latest and established models = 0.881605 Jy keep ! Adding 136 model components to the UV plane model. ! The established model now contains 253 components and 0.881605 Jy ![Exited script file: muppet] wmap "J1522-2730_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8637 x 2.381 at -8.159 degrees (North through East) ! Clean map min=-0.0041258 max=0.77442 Jy/beam ! Writing clean map to FITS file: J1522-2730_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 0.774424 invert ! Inverting map ! Your choice of large map pixels excluded 0.376% of the data. ! The x-axis pixel size should ideally be below 0.1935 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000868817 device "J1522-2730_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1522-2730_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.336567 0.336567 0.673133 1.34627 2.69253 5.38506 10.7701 21.5403 43.0805 86.161 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.774 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8637 x 2.381 at -8.159 degrees (North through East) ! Clean map min=-0.0041258 max=0.77442 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1522-2730_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1522-2730_X_2009_04_21_pus_map.gif/vgif' mapplot cln