! Started logfile: J1902+3159_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:19:28 2010 obs J1902+3159_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1902+3159_X_2008_07_09_pus_uva.fits ! AN table 1: 50 integrations on 105 of 105 possible baselines. ! AN table 2: 135 integrations on 105 of 105 possible baselines. ! AN table 3: 44 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.138906 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1902+3159 ! ! 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 1142 lines of history. ! ! Reading 13360 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 564 telescope corrections were flagged in sub-array 1. ! A total of 1371 telescope corrections were flagged in sub-array 2. ! A total of 464 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 564 telescope corrections were flagged in sub-array 1. ! A total of 1371 telescope corrections were flagged in sub-array 2. ! A total of 464 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 564 telescope corrections were flagged in sub-array 1. ! A total of 1371 telescope corrections were flagged in sub-array 2. ! A total of 464 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 564 telescope corrections were flagged in sub-array 1. ! A total of 1371 telescope corrections were flagged in sub-array 2. ! A total of 464 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.626040Jy sigma=0.004327 ! Fit after self-cal, rms=0.554103Jy sigma=0.003743 ! 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 7.06% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.557 mas, bmaj=0.9569 mas, bpa=-16.27 degrees ! Estimated noise=1495.52 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 = 0.456142 Jy ! Component: 100 - total flux cleaned = 0.626836 Jy ! Total flux subtracted in 100 components = 0.626836 Jy ! Clean residual min=-0.035501 max=0.147183 Jy/beam ! Clean residual mean=0.000577 rms=0.012471 Jy/beam ! Combined flux in latest and established models = 0.626836 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.626836 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308257Jy sigma=0.002171 ! Fit after self-cal, rms=0.305992Jy sigma=0.002160 ! Inverting map ! Your choice of large map pixels excluded 7.06% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (-0.8, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130509 Jy ! Component: 100 - total flux cleaned = 0.19779 Jy ! Total flux subtracted in 100 components = 0.19779 Jy ! Clean residual min=-0.020781 max=0.035435 Jy/beam ! Clean residual mean=0.000503 rms=0.006531 Jy/beam ! Combined flux in latest and established models = 0.824626 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.824626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245151Jy sigma=0.001595 ! Fit after self-cal, rms=0.240343Jy sigma=0.001565 ! Inverting map ! Your choice of large map pixels excluded 7.06% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0491312 Jy ! Component: 100 - total flux cleaned = 0.0816322 Jy ! Total flux subtracted in 100 components = 0.0816322 Jy ! Clean residual min=-0.015227 max=0.018390 Jy/beam ! Clean residual mean=0.000478 rms=0.004634 Jy/beam ! Combined flux in latest and established models = 0.906258 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 0.906258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228793Jy sigma=0.001435 ! Fit after self-cal, rms=0.228411Jy sigma=0.001432 ! Inverting map ! Your choice of large map pixels excluded 7.06% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 7.06% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6162 mas, bmaj=1.097 mas, bpa=-18.15 degrees ! Estimated noise=900.947 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 = 0.0338066 Jy ! Component: 100 - total flux cleaned = 0.0553597 Jy ! Component: 150 - total flux cleaned = 0.070432 Jy ! Component: 200 - total flux cleaned = 0.0814451 Jy ! Total flux subtracted in 200 components = 0.0814451 Jy ! Clean residual min=-0.012186 max=0.023554 Jy/beam ! Clean residual mean=0.001075 rms=0.005041 Jy/beam ! Combined flux in latest and established models = 0.987703 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 45 components and 0.987703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224241Jy sigma=0.001372 ! Fit after self-cal, rms=0.224098Jy sigma=0.001371 ! Inverting map ! Your choice of large map pixels excluded 7.06% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.02 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 1.01 PT 1.00* ! SC 1.00* WZ 0.98 ZC 0.98 ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.93 HH 1.00* HN 1.14 ! KK 1.08 KP 1.08 LA 0.92 MK 0.98 ! NL 0.93 NY 1.00 ON 1.00 PT 0.90 ! SC 0.96 WZ 1.03 ZC 1.07 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 FD 1.00* HH 1.00* HN 1.08 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.95 PT 1.00* ! SC 1.00* WZ 0.99 ZC 0.96 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.05 ON 1.10 PT 1.00* ! SC 1.00* WZ 1.00 ZC 0.94 ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.92 HH 1.00* HN 1.06 ! KK 1.08 KP 1.04 LA 0.90 MK 0.96 ! NL 0.93 NY 1.04 ON 1.02 PT 0.91 ! SC 0.95 WZ 1.04 ZC 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.17 FD 1.00* HH 1.00* HN 0.98 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 0.92 PT 1.00* ! SC 1.00* WZ 1.00 ZC 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 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.08 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.09 ON 1.03 PT 1.00* ! SC 1.00* WZ 0.99 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 0.94 HH 1.00* HN 1.04 ! KK 1.07 KP 1.07 LA 0.92 MK 1.01 ! NL 0.96 NY 1.01 ON 0.98 PT 0.92 ! SC 1.02 WZ 1.05 ZC 1.11 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.12 FD 1.00* HH 1.00* HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 0.91 PT 1.00* ! SC 1.00* WZ 1.04 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.16 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.11 ON 1.00 PT 1.00* ! SC 1.00* WZ 1.01 ZC 1.00 ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 HH 1.00* HN 1.05 ! KK 1.03 KP 1.08 LA 0.90 MK 1.05 ! NL 0.95 NY 1.05 ON 0.96 PT 0.96 ! SC 1.03 WZ 1.07 ZC 1.12 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.13 FD 1.00* HH 1.00* HN 1.00 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.07 ON 0.97 PT 1.00* ! SC 1.00* WZ 0.99 ZC 1.09 ! ! ! Fit before self-cal, rms=0.224098Jy sigma=0.001371 ! Fit after self-cal, rms=0.222867Jy sigma=0.001301 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6205 mas, bmaj=1.107 mas, bpa=-18.77 degrees ! Estimated noise=906.337 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 (12.6, -7.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198051 Jy ! Component: 100 - total flux cleaned = 0.0291274 Jy ! Component: 150 - total flux cleaned = 0.0344779 Jy ! Component: 200 - total flux cleaned = 0.0371876 Jy ! Total flux subtracted in 200 components = 0.0371876 Jy ! Clean residual min=-0.008468 max=0.014438 Jy/beam ! Clean residual mean=0.000145 rms=0.003106 Jy/beam ! Combined flux in latest and established models = 1.02489 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 1.02489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221759Jy sigma=0.001280 ! Fit after self-cal, rms=0.221607Jy sigma=0.001279 ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.221607Jy sigma=0.001279 ! Fit after self-cal, rms=0.220520Jy sigma=0.001275 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6208 mas, bmaj=1.106 mas, bpa=-18.95 degrees ! Estimated noise=904.021 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00726534 Jy ! Component: 100 - total flux cleaned = 0.0106977 Jy ! Component: 150 - total flux cleaned = 0.0127013 Jy ! Component: 200 - total flux cleaned = 0.0137193 Jy ! Total flux subtracted in 200 components = 0.0137193 Jy ! Clean residual min=-0.008736 max=0.014334 Jy/beam ! Clean residual mean=0.000151 rms=0.002820 Jy/beam ! Combined flux in latest and established models = 1.03861 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 71 components and 1.03861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220359Jy sigma=0.001271 ! Fit after self-cal, rms=0.220294Jy sigma=0.001271 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 (12, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0126956 Jy ! Component: 100 - total flux cleaned = 0.0166497 Jy ! Component: 150 - total flux cleaned = 0.0185725 Jy ! Component: 200 - total flux cleaned = 0.0208929 Jy ! Total flux subtracted in 200 components = 0.0208929 Jy ! Clean residual min=-0.008079 max=0.011151 Jy/beam ! Clean residual mean=0.000129 rms=0.002544 Jy/beam ! Combined flux in latest and established models = 1.0595 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 83 components and 1.0595 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219760Jy sigma=0.001263 ! Fit after self-cal, rms=0.219683Jy sigma=0.001262 ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.219683Jy sigma=0.001262 ! Fit after self-cal, rms=0.219234Jy sigma=0.001259 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6206 mas, bmaj=1.107 mas, bpa=-19.05 degrees ! Estimated noise=902.087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519438 Jy ! Component: 100 - total flux cleaned = 0.00857588 Jy ! Component: 150 - total flux cleaned = 0.0102512 Jy ! Component: 200 - total flux cleaned = 0.0115182 Jy ! Total flux subtracted in 200 components = 0.0115182 Jy ! Clean residual min=-0.007062 max=0.010375 Jy/beam ! Clean residual mean=0.000101 rms=0.002364 Jy/beam ! Combined flux in latest and established models = 1.07102 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 90 components and 1.07102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219118Jy sigma=0.001257 ! Fit after self-cal, rms=0.219128Jy sigma=0.001257 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 (8.2, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00945414 Jy ! Component: 100 - total flux cleaned = 0.0140561 Jy ! Component: 150 - total flux cleaned = 0.0143489 Jy ! Component: 200 - total flux cleaned = 0.0147266 Jy ! Total flux subtracted in 200 components = 0.0147266 Jy ! Clean residual min=-0.006930 max=0.009235 Jy/beam ! Clean residual mean=0.000100 rms=0.002174 Jy/beam ! Combined flux in latest and established models = 1.08575 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 110 components and 1.08575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218859Jy sigma=0.001251 ! Fit after self-cal, rms=0.218857Jy sigma=0.001251 ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.218857Jy sigma=0.001251 ! Fit after self-cal, rms=0.218834Jy sigma=0.001250 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=1.926 mas, bmaj=2.334 mas, bpa=10.68 degrees ! Estimated noise=1414.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149557 Jy ! Component: 100 - total flux cleaned = 0.0174285 Jy ! Component: 150 - total flux cleaned = 0.0172354 Jy ! Component: 200 - total flux cleaned = 0.0172322 Jy ! Total flux subtracted in 200 components = 0.0172322 Jy ! Clean residual min=-0.013716 max=0.014939 Jy/beam ! Clean residual mean=0.000064 rms=0.004915 Jy/beam ! Combined flux in latest and established models = 1.10298 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 122 components and 1.10298 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219274Jy sigma=0.001254 ! Fit after self-cal, rms=0.219181Jy sigma=0.001253 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 = 0.00260255 Jy ! Component: 100 - total flux cleaned = 0.00205104 Jy ! Component: 150 - total flux cleaned = 0.00188844 Jy ! Component: 200 - total flux cleaned = 0.00231926 Jy ! Total flux subtracted in 200 components = 0.00231926 Jy ! Clean residual min=-0.012205 max=0.013836 Jy/beam ! Clean residual mean=0.000036 rms=0.004755 Jy/beam ! Combined flux in latest and established models = 1.1053 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 129 components and 1.1053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219489Jy sigma=0.001256 ! Fit after self-cal, rms=0.219483Jy sigma=0.001255 ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6206 mas, bmaj=1.106 mas, bpa=-19.12 degrees ! Estimated noise=901.561 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6206 x 1.106 at -19.12 degrees (North through East) ! Clean map min=-0.011198 max=0.61927 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=0.219483Jy sigma=0.001255 ! Fit after self-cal, rms=0.452487Jy sigma=0.001114 ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6205 mas, bmaj=1.108 mas, bpa=-19.07 degrees ! Estimated noise=901.121 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00863758 Jy ! Component: 100 - total flux cleaned = -0.00643001 Jy ! Component: 150 - total flux cleaned = -0.00458706 Jy ! Component: 200 - total flux cleaned = -0.00296702 Jy ! Total flux subtracted in 200 components = -0.00296702 Jy ! Clean residual min=-0.006021 max=0.008121 Jy/beam ! Clean residual mean=0.000082 rms=0.001883 Jy/beam ! Combined flux in latest and established models = 1.10233 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 138 components and 1.10233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.452255Jy sigma=0.001109 ! Fit after self-cal, rms=0.452225Jy sigma=0.001109 ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (12.2, -11.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00739201 Jy ! Component: 100 - total flux cleaned = 0.00965242 Jy ! Component: 150 - total flux cleaned = 0.0119549 Jy ! Component: 200 - total flux cleaned = 0.0142639 Jy ! Total flux subtracted in 200 components = 0.0142639 Jy ! Clean residual min=-0.005922 max=0.006363 Jy/beam ! Clean residual mean=-0.000007 rms=0.001733 Jy/beam ! Combined flux in latest and established models = 1.1166 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 154 components and 1.1166 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.452033Jy sigma=0.001105 ! Fit after self-cal, rms=0.451938Jy sigma=0.001105 ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.451938Jy sigma=0.001105 ! Fit after self-cal, rms=0.490376Jy sigma=0.001104 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 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.5619 mas, bmaj=0.962 mas, bpa=-17.07 degrees ! Estimated noise=1499.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.459221 Jy ! Component: 100 - total flux cleaned = 0.648734 Jy ! Component: 150 - total flux cleaned = 0.756374 Jy ! Component: 200 - total flux cleaned = 0.823235 Jy ! Total flux subtracted in 200 components = 0.823235 Jy ! Clean residual min=-0.015880 max=0.035568 Jy/beam ! Clean residual mean=0.000253 rms=0.005345 Jy/beam ! Combined flux in latest and established models = 0.823235 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.823235 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6205 mas, bmaj=1.108 mas, bpa=-19.09 degrees ! Estimated noise=900.805 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 = 0.0565568 Jy ! Component: 100 - total flux cleaned = 0.0924949 Jy ! Component: 150 - total flux cleaned = 0.119221 Jy ! Component: 200 - total flux cleaned = 0.140354 Jy ! Total flux subtracted in 200 components = 0.140354 Jy ! Clean residual min=-0.010239 max=0.012695 Jy/beam ! Clean residual mean=0.000334 rms=0.003589 Jy/beam ! Combined flux in latest and established models = 0.963589 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 35 components and 0.963589 Jy ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=1.926 mas, bmaj=2.335 mas, bpa=10.78 degrees ! Estimated noise=1413.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0499122 Jy ! Component: 100 - total flux cleaned = 0.0777251 Jy ! Component: 150 - total flux cleaned = 0.0974053 Jy ! Component: 200 - total flux cleaned = 0.112721 Jy ! Total flux subtracted in 200 components = 0.112721 Jy ! Clean residual min=-0.017764 max=0.013092 Jy/beam ! Clean residual mean=0.000091 rms=0.005644 Jy/beam ! Combined flux in latest and established models = 1.07631 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 = 0.0121932 Jy ! Component: 100 - total flux cleaned = 0.0220773 Jy ! Component: 150 - total flux cleaned = 0.0296342 Jy ! Component: 200 - total flux cleaned = 0.0341377 Jy ! Total flux subtracted in 200 components = 0.0341377 Jy ! Clean residual min=-0.018600 max=0.010332 Jy/beam ! Clean residual mean=-0.000305 rms=0.004730 Jy/beam ! Combined flux in latest and established models = 1.11045 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 78 components and 1.11045 Jy ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6205 mas, bmaj=1.108 mas, bpa=-19.09 degrees ! Estimated noise=900.805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0120201 Jy ! Component: 100 - total flux cleaned = -0.0107748 Jy ! Component: 150 - total flux cleaned = -0.00789924 Jy ! Component: 200 - total flux cleaned = -0.00476038 Jy ! Total flux subtracted in 200 components = -0.00476038 Jy ! Clean residual min=-0.006611 max=0.007858 Jy/beam ! Clean residual mean=0.000059 rms=0.002040 Jy/beam ! Combined flux in latest and established models = 1.10569 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 95 components and 1.10569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.491878Jy sigma=0.001129 ! Fit after self-cal, rms=0.492116Jy sigma=0.001127 wmodel J1902+3159_X_2008_07_09_pus_map.mod ! Writing 95 model components to file: J1902+3159_X_2008_07_09_pus_map.mod wobs J1902+3159_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1902+3159_X_2008_07_09_pus_uvs.fits wwins J1902+3159_X_2008_07_09_pus_map.win ! wwins: Wrote 6 windows to J1902+3159_X_2008_07_09_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 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00298147 Jy ! Component: 100 - total flux cleaned = 0.00524468 Jy ! Component: 150 - total flux cleaned = 0.00648098 Jy ! Component: 200 - total flux cleaned = 0.00745673 Jy ! Component: 250 - total flux cleaned = 0.00840525 Jy ! Component: 300 - total flux cleaned = 0.00932795 Jy ! Component: 350 - total flux cleaned = 0.00992916 Jy ! Component: 400 - total flux cleaned = 0.010618 Jy ! Component: 450 - total flux cleaned = 0.0111962 Jy ! Component: 500 - total flux cleaned = 0.0116675 Jy ! Component: 550 - total flux cleaned = 0.0121285 Jy ! Component: 600 - total flux cleaned = 0.0124006 Jy ! Component: 650 - total flux cleaned = 0.0129362 Jy ! Component: 700 - total flux cleaned = 0.013287 Jy ! Component: 750 - total flux cleaned = 0.0135465 Jy ! Component: 800 - total flux cleaned = 0.0139729 Jy ! Component: 850 - total flux cleaned = 0.0143096 Jy ! Component: 900 - total flux cleaned = 0.0146424 Jy ! Component: 950 - total flux cleaned = 0.015134 Jy ! Component: 1000 - total flux cleaned = 0.0153752 Jy ! Total flux subtracted in 1024 components = 0.0154554 Jy ! Clean residual min=-0.004402 max=0.004525 Jy/beam ! Clean residual mean=0.000027 rms=0.001571 Jy/beam ! Combined flux in latest and established models = 1.12114 Jy keep ! Adding 84 model components to the UV plane model. ! The established model now contains 172 components and 1.12114 Jy wmap "J1902+3159_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6205 x 1.108 at -19.09 degrees (North through East) ! Clean map min=-0.0066834 max=0.6263 Jy/beam ! Writing clean map to FITS file: J1902+3159_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.626302 invert ! Inverting map ! Your choice of large map pixels excluded 7.05% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00156476 device "J1902+3159_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1902+3159_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.749525 0.749525 1.49905 2.9981 5.9962 11.9924 23.9848 47.9696 95.9392 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0046 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.626 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6205 x 1.108 at -19.09 degrees (North through East) ! Clean map min=-0.0066834 max=0.6263 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1902+3159_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1902+3159_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1902+3159_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:19:31 2010