! Started logfile: J1800+7828_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:55:21 2012 obs J1800+7828_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1800+7828_X_2011_08_02_pus_uva.fits ! AN table 1: 86 integrations on 78 of 78 possible baselines. ! AN table 2: 73 integrations on 78 of 78 possible baselines. ! AN table 3: 86 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.466981 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1800+7828 ! ! 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 3147 lines of history. ! ! Reading 35696 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 J1800+7828_X_2011_08_02_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 290 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! A total of 375 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 290 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! A total of 375 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 290 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! A total of 375 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 290 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! A total of 375 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.873978Jy sigma=0.019275 ! Fit after self-cal, rms=1.456644Jy sigma=0.015278 ! 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 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6377 mas, bmaj=0.7913 mas, bpa=-20 degrees ! Estimated noise=735.389 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 = 1.65247 Jy ! Component: 100 - total flux cleaned = 2.10668 Jy ! Total flux subtracted in 100 components = 2.10668 Jy ! Clean residual min=-0.066981 max=0.267279 Jy/beam ! Clean residual mean=-0.001007 rms=0.018413 Jy/beam ! Combined flux in latest and established models = 2.10668 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 2.10668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.623402Jy sigma=0.006346 ! Fit after self-cal, rms=0.623381Jy sigma=0.006344 ! Inverting map ! Your choice of large map pixels excluded 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (-1.4, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.255402 Jy ! Component: 100 - total flux cleaned = 0.403665 Jy ! Total flux subtracted in 100 components = 0.403665 Jy ! Clean residual min=-0.054899 max=0.129262 Jy/beam ! Clean residual mean=-0.000362 rms=0.012847 Jy/beam ! Combined flux in latest and established models = 2.51035 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 2.51035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.442787Jy sigma=0.004383 ! Fit after self-cal, rms=0.430790Jy sigma=0.004277 ! Inverting map ! Your choice of large map pixels excluded 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117561 Jy ! Component: 100 - total flux cleaned = 0.192764 Jy ! Total flux subtracted in 100 components = 0.192764 Jy ! Clean residual min=-0.046470 max=0.081666 Jy/beam ! Clean residual mean=-0.000057 rms=0.010443 Jy/beam ! Combined flux in latest and established models = 2.70311 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 2.70311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.370429Jy sigma=0.003662 ! Fit after self-cal, rms=0.365577Jy sigma=0.003618 ! Inverting map ! Your choice of large map pixels excluded 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (1.4, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0740833 Jy ! Component: 100 - total flux cleaned = 0.124956 Jy ! Total flux subtracted in 100 components = 0.124956 Jy ! Clean residual min=-0.042964 max=0.041411 Jy/beam ! Clean residual mean=0.000137 rms=0.009323 Jy/beam ! Combined flux in latest and established models = 2.82807 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 35 components and 2.82807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340614Jy sigma=0.003373 ! Fit after self-cal, rms=0.340462Jy sigma=0.003372 ! Inverting map ! Your choice of large map pixels excluded 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.84 mas, bmaj=1.025 mas, bpa=-26.04 degrees ! Estimated noise=363.842 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 = 0.065786 Jy ! Component: 100 - total flux cleaned = 0.104194 Jy ! Component: 150 - total flux cleaned = 0.128463 Jy ! Component: 200 - total flux cleaned = 0.144422 Jy ! Total flux subtracted in 200 components = 0.144422 Jy ! Clean residual min=-0.070317 max=0.050303 Jy/beam ! Clean residual mean=0.000121 rms=0.014703 Jy/beam ! Combined flux in latest and established models = 2.97249 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 50 components and 2.97249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323920Jy sigma=0.003260 ! Fit after self-cal, rms=0.323325Jy sigma=0.003255 ! Inverting map ! Your choice of large map pixels excluded 0.28% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.92 FT 1.00* HH 1.00* ! HN 1.03 KP 0.91 LA 1.01 MK 0.96 ! NL 0.95 OV 1.02 PT 1.06 TS 1.00* ! WZ 1.19 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.90 FT 1.00* HH 1.00* ! HN 1.06 KP 0.90 LA 1.00 MK 0.94 ! NL 0.97 OV 1.02 PT 1.03 TS 1.00* ! WZ 1.11 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.92 FT 1.00* HH 1.00* ! HN 0.99 KP 0.90 LA 1.01 MK 0.95 ! NL 0.92 OV 1.02 PT 1.04 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 FT 1.00* HH 1.00* ! HN 1.05 KP 0.89 LA 1.04 MK 1.01 ! NL 1.08 OV 1.04 PT 1.13 TS 1.00* ! WZ 1.00 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.92 FT 1.00* HH 1.00* ! HN 1.08 KP 0.88 LA 1.03 MK 0.99 ! NL 1.10 OV 1.04 PT 1.10 TS 1.00* ! WZ 1.07 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.94 FT 1.00* HH 1.00* ! HN 1.01 KP 0.88 LA 1.04 MK 1.01 ! NL 1.05 OV 1.05 PT 1.11 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.91 FT 1.00* HH 1.00* ! HN 1.03 KP 0.80 LA 1.03 MK 0.99 ! NL 1.03 OV 1.03 PT 1.05 TS 1.00* ! WZ 0.92 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.89 FT 1.00* HH 1.00* ! HN 1.05 KP 0.79 LA 1.01 MK 0.96 ! NL 1.05 OV 1.03 PT 1.03 TS 1.00* ! WZ 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.91 FT 1.00* HH 1.00* ! HN 1.00 KP 0.80 LA 1.03 MK 0.98 ! NL 0.99 OV 1.05 PT 1.04 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 FT 1.00* HH 1.00* ! HN 1.04 KP 0.87 LA 1.10 MK 1.04 ! NL 1.05 OV 1.07 PT 1.16 TS 1.00* ! WZ 0.98 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.97 FT 1.00* HH 1.00* ! HN 1.06 KP 0.86 LA 1.08 MK 1.02 ! NL 1.07 OV 1.07 PT 1.14 TS 1.00* ! WZ 1.11 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 0.99 FT 1.00* HH 1.00* ! HN 1.01 KP 0.87 LA 1.10 MK 1.03 ! NL 1.00 OV 1.08 PT 1.15 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.323325Jy sigma=0.003255 ! Fit after self-cal, rms=0.176684Jy sigma=0.001619 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8476 mas, bmaj=1.03 mas, bpa=-27.28 degrees ! Estimated noise=366.398 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 (-2.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0142877 Jy ! Component: 100 - total flux cleaned = 0.0143026 Jy ! Component: 150 - total flux cleaned = 0.0130311 Jy ! Component: 200 - total flux cleaned = 0.0135809 Jy ! Total flux subtracted in 200 components = 0.0135809 Jy ! Clean residual min=-0.016412 max=0.014900 Jy/beam ! Clean residual mean=0.000013 rms=0.003531 Jy/beam ! Combined flux in latest and established models = 2.98607 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 2.98607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169753Jy sigma=0.001552 ! Fit after self-cal, rms=0.169314Jy sigma=0.001547 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.169314Jy sigma=0.001547 ! Fit after self-cal, rms=0.166975Jy sigma=0.001522 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8488 mas, bmaj=1.032 mas, bpa=-27.15 degrees ! Estimated noise=365.782 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00545641 Jy ! Component: 100 - total flux cleaned = -0.00689678 Jy ! Component: 150 - total flux cleaned = -0.00773569 Jy ! Component: 200 - total flux cleaned = -0.0077282 Jy ! Total flux subtracted in 200 components = -0.0077282 Jy ! Clean residual min=-0.014988 max=0.013717 Jy/beam ! Clean residual mean=-0.000010 rms=0.003116 Jy/beam ! Combined flux in latest and established models = 2.97834 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 74 components and 2.97834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164161Jy sigma=0.001498 ! Fit after self-cal, rms=0.164042Jy sigma=0.001497 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 0.00059423 Jy ! Component: 100 - total flux cleaned = 0.000900724 Jy ! Component: 150 - total flux cleaned = 0.000893738 Jy ! Component: 200 - total flux cleaned = 0.000892993 Jy ! Total flux subtracted in 200 components = 0.000892993 Jy ! Clean residual min=-0.014294 max=0.013274 Jy/beam ! Clean residual mean=-0.000008 rms=0.003003 Jy/beam ! Combined flux in latest and established models = 2.97924 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 82 components and 2.97924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162761Jy sigma=0.001486 ! Fit after self-cal, rms=0.162720Jy sigma=0.001486 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.162720Jy sigma=0.001486 ! Fit after self-cal, rms=0.162332Jy sigma=0.001482 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8497 mas, bmaj=1.034 mas, bpa=-27.05 degrees ! Estimated noise=365.669 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00725981 Jy ! Component: 100 - total flux cleaned = -0.00846144 Jy ! Component: 150 - total flux cleaned = -0.0089919 Jy ! Component: 200 - total flux cleaned = -0.00923739 Jy ! Total flux subtracted in 200 components = -0.00923739 Jy ! Clean residual min=-0.013341 max=0.013109 Jy/beam ! Clean residual mean=-0.000013 rms=0.002819 Jy/beam ! Combined flux in latest and established models = 2.97 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 85 components and 2.97 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161171Jy sigma=0.001472 ! Fit after self-cal, rms=0.161151Jy sigma=0.001472 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 0.000171622 Jy ! Component: 100 - total flux cleaned = 0.000167466 Jy ! Component: 150 - total flux cleaned = 0.000379206 Jy ! Component: 200 - total flux cleaned = 0.000384289 Jy ! Total flux subtracted in 200 components = 0.000384289 Jy ! Clean residual min=-0.012528 max=0.013197 Jy/beam ! Clean residual mean=-0.000012 rms=0.002765 Jy/beam ! Combined flux in latest and established models = 2.97038 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 88 components and 2.97038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160516Jy sigma=0.001467 ! Fit after self-cal, rms=0.160497Jy sigma=0.001466 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (-8.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128236 Jy ! Component: 100 - total flux cleaned = 0.0182705 Jy ! Component: 150 - total flux cleaned = 0.0198117 Jy ! Component: 200 - total flux cleaned = 0.0206017 Jy ! Total flux subtracted in 200 components = 0.0206017 Jy ! Clean residual min=-0.010950 max=0.010966 Jy/beam ! Clean residual mean=-0.000014 rms=0.002429 Jy/beam ! Combined flux in latest and established models = 2.99098 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 106 components and 2.99098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159288Jy sigma=0.001453 ! Fit after self-cal, rms=0.159219Jy sigma=0.001453 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (-5.2, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114224 Jy ! Component: 100 - total flux cleaned = 0.0144691 Jy ! Component: 150 - total flux cleaned = 0.0164851 Jy ! Component: 200 - total flux cleaned = 0.0180394 Jy ! Total flux subtracted in 200 components = 0.0180394 Jy ! Clean residual min=-0.009734 max=0.006823 Jy/beam ! Clean residual mean=0.000003 rms=0.002095 Jy/beam ! Combined flux in latest and established models = 3.00902 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 122 components and 3.00902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158216Jy sigma=0.001442 ! Fit after self-cal, rms=0.158134Jy sigma=0.001441 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.158134Jy sigma=0.001441 ! Fit after self-cal, rms=0.157890Jy sigma=0.001437 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=2.47 mas, bmaj=3.232 mas, bpa=-11.52 degrees ! Estimated noise=463.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276091 Jy ! Component: 100 - total flux cleaned = 0.00636812 Jy ! Component: 150 - total flux cleaned = 0.00878152 Jy ! Component: 200 - total flux cleaned = 0.0103204 Jy ! Total flux subtracted in 200 components = 0.0103204 Jy ! Clean residual min=-0.007611 max=0.005868 Jy/beam ! Clean residual mean=-0.000000 rms=0.002276 Jy/beam ! Combined flux in latest and established models = 3.01934 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 147 components and 3.01934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157505Jy sigma=0.001433 ! Fit after self-cal, rms=0.157388Jy sigma=0.001432 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = -0.000277661 Jy ! Component: 100 - total flux cleaned = 0.00125812 Jy ! Component: 150 - total flux cleaned = 0.00250476 Jy ! Component: 200 - total flux cleaned = 0.00349791 Jy ! Total flux subtracted in 200 components = 0.00349791 Jy ! Clean residual min=-0.007419 max=0.005797 Jy/beam ! Clean residual mean=-0.000001 rms=0.002192 Jy/beam ! Combined flux in latest and established models = 3.02284 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 150 components and 3.02284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157292Jy sigma=0.001431 ! Fit after self-cal, rms=0.157269Jy sigma=0.001430 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8506 mas, bmaj=1.035 mas, bpa=-27.17 degrees ! Estimated noise=365.643 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8506 x 1.035 at -27.17 degrees (North through East) ! Clean map min=-0.01729 max=2.175 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=0.157269Jy sigma=0.001430 ! Fit after self-cal, rms=0.147969Jy sigma=0.001327 ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8505 mas, bmaj=1.035 mas, bpa=-27.27 degrees ! Estimated noise=365.575 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00338899 Jy ! Component: 100 - total flux cleaned = -0.00340321 Jy ! Component: 150 - total flux cleaned = -0.00357257 Jy ! Component: 200 - total flux cleaned = -0.00357164 Jy ! Total flux subtracted in 200 components = -0.00357164 Jy ! Clean residual min=-0.009111 max=0.005948 Jy/beam ! Clean residual mean=-0.000003 rms=0.001583 Jy/beam ! Combined flux in latest and established models = 3.01927 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 156 components and 3.01927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147476Jy sigma=0.001323 ! Fit after self-cal, rms=0.147470Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.68909e-06 Jy ! Component: 100 - total flux cleaned = -8.0104e-06 Jy ! Component: 150 - total flux cleaned = -9.05829e-06 Jy ! Component: 200 - total flux cleaned = -1.16728e-05 Jy ! Total flux subtracted in 200 components = -1.16728e-05 Jy ! Clean residual min=-0.008606 max=0.005927 Jy/beam ! Clean residual mean=-0.000003 rms=0.001552 Jy/beam ! Combined flux in latest and established models = 3.01926 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 160 components and 3.01926 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147182Jy sigma=0.001321 ! Fit after self-cal, rms=0.147173Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147173Jy sigma=0.001321 ! Fit after self-cal, rms=0.147081Jy sigma=0.001320 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 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6442 mas, bmaj=0.7918 mas, bpa=-21.96 degrees ! Estimated noise=752.374 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.67304 Jy ! Component: 100 - total flux cleaned = 2.14332 Jy ! Component: 150 - total flux cleaned = 2.39349 Jy ! Component: 200 - total flux cleaned = 2.54991 Jy ! Total flux subtracted in 200 components = 2.54991 Jy ! Clean residual min=-0.023541 max=0.082429 Jy/beam ! Clean residual mean=-0.000661 rms=0.007057 Jy/beam ! Combined flux in latest and established models = 2.54991 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 17 model components to the UV plane model. ! The established model now contains 17 components and 2.54991 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8514 mas, bmaj=1.036 mas, bpa=-27.39 degrees ! Estimated noise=365.501 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 = 0.154927 Jy ! Component: 100 - total flux cleaned = 0.239293 Jy ! Component: 150 - total flux cleaned = 0.289482 Jy ! Component: 200 - total flux cleaned = 0.32273 Jy ! Total flux subtracted in 200 components = 0.32273 Jy ! Clean residual min=-0.011542 max=0.018787 Jy/beam ! Clean residual mean=-0.000145 rms=0.003908 Jy/beam ! Combined flux in latest and established models = 2.87264 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 56 components and 2.87264 Jy ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (-0.6, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.02479 Jy ! Component: 100 - total flux cleaned = 0.0446172 Jy ! Component: 150 - total flux cleaned = 0.0610498 Jy ! Component: 200 - total flux cleaned = 0.0749327 Jy ! Total flux subtracted in 200 components = 0.0749327 Jy ! Clean residual min=-0.009406 max=0.010236 Jy/beam ! Clean residual mean=-0.000068 rms=0.002349 Jy/beam ! Combined flux in latest and established models = 2.94757 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 92 components and 2.94757 Jy ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (-6, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121807 Jy ! Component: 100 - total flux cleaned = 0.0223711 Jy ! Component: 150 - total flux cleaned = 0.0294517 Jy ! Component: 200 - total flux cleaned = 0.034482 Jy ! Total flux subtracted in 200 components = 0.034482 Jy ! Clean residual min=-0.008148 max=0.007903 Jy/beam ! Clean residual mean=-0.000037 rms=0.001816 Jy/beam ! Combined flux in latest and established models = 2.98206 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 110 components and 2.98206 Jy ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.8438 mas, bmaj=1.06 mas, bpa=-22.7 degrees ! Estimated noise=395.726 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254163 Jy ! Component: 100 - total flux cleaned = 0.00682393 Jy ! Component: 150 - total flux cleaned = 0.0109052 Jy ! Component: 200 - total flux cleaned = 0.0143524 Jy ! Total flux subtracted in 200 components = 0.0143524 Jy ! Clean residual min=-0.008989 max=0.008361 Jy/beam ! Clean residual mean=-0.000020 rms=0.001960 Jy/beam ! Combined flux in latest and established models = 2.99641 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0023347 Jy ! Component: 100 - total flux cleaned = 0.00471906 Jy ! Component: 150 - total flux cleaned = 0.00640163 Jy ! Component: 200 - total flux cleaned = 0.00764984 Jy ! Total flux subtracted in 200 components = 0.00764984 Jy ! Clean residual min=-0.008727 max=0.007962 Jy/beam ! Clean residual mean=-0.000013 rms=0.001884 Jy/beam ! Combined flux in latest and established models = 3.00406 Jy selfcal ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 135 components and 3.00406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147226Jy sigma=0.001324 ! Fit after self-cal, rms=0.146659Jy sigma=0.001319 wmodel J1800+7828_X_2011_08_02_pus_map.mod ! Writing 135 model components to file: J1800+7828_X_2011_08_02_pus_map.mod wobs J1800+7828_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1800+7828_X_2011_08_02_pus_uvs.fits wwins J1800+7828_X_2011_08_02_pus_map.win ! wwins: Wrote 8 windows to J1800+7828_X_2011_08_02_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 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00265611 Jy ! Component: 100 - total flux cleaned = -0.0043291 Jy ! Component: 150 - total flux cleaned = -0.00600495 Jy ! Component: 200 - total flux cleaned = -0.00744407 Jy ! Component: 250 - total flux cleaned = -0.00857866 Jy ! Component: 300 - total flux cleaned = -0.00945178 Jy ! Component: 350 - total flux cleaned = -0.0100866 Jy ! Component: 400 - total flux cleaned = -0.0106014 Jy ! Component: 450 - total flux cleaned = -0.0111022 Jy ! Component: 500 - total flux cleaned = -0.0113953 Jy ! Component: 550 - total flux cleaned = -0.0118757 Jy ! Component: 600 - total flux cleaned = -0.0124379 Jy ! Component: 650 - total flux cleaned = -0.012804 Jy ! Component: 700 - total flux cleaned = -0.0131616 Jy ! Component: 750 - total flux cleaned = -0.0130731 Jy ! Component: 800 - total flux cleaned = -0.0135929 Jy ! Component: 850 - total flux cleaned = -0.0136777 Jy ! Component: 900 - total flux cleaned = -0.0140121 Jy ! Component: 950 - total flux cleaned = -0.014258 Jy ! Component: 1000 - total flux cleaned = -0.0143387 Jy ! Component: 1050 - total flux cleaned = -0.0145772 Jy ! Component: 1100 - total flux cleaned = -0.0147346 Jy ! Component: 1150 - total flux cleaned = -0.0147358 Jy ! Component: 1200 - total flux cleaned = -0.0150426 Jy ! Component: 1250 - total flux cleaned = -0.0150436 Jy ! Component: 1300 - total flux cleaned = -0.0152671 Jy ! Component: 1350 - total flux cleaned = -0.015487 Jy ! Component: 1400 - total flux cleaned = -0.015415 Jy ! Component: 1450 - total flux cleaned = -0.0159168 Jy ! Component: 1500 - total flux cleaned = -0.0160574 Jy ! Component: 1550 - total flux cleaned = -0.0161969 Jy ! Component: 1600 - total flux cleaned = -0.0162668 Jy ! Component: 1650 - total flux cleaned = -0.0164722 Jy ! Component: 1700 - total flux cleaned = -0.0167431 Jy ! Component: 1750 - total flux cleaned = -0.0171444 Jy ! Component: 1800 - total flux cleaned = -0.017078 Jy ! Component: 1850 - total flux cleaned = -0.017209 Jy ! Component: 1900 - total flux cleaned = -0.0175326 Jy ! Component: 1950 - total flux cleaned = -0.0177891 Jy ! Component: 2000 - total flux cleaned = -0.0179793 Jy ! Total flux subtracted in 2048 components = -0.018293 Jy ! Clean residual min=-0.003123 max=0.003304 Jy/beam ! Clean residual mean=-0.000013 rms=0.001155 Jy/beam ! Combined flux in latest and established models = 2.98577 Jy keep ! Adding 159 model components to the UV plane model. ! The established model now contains 294 components and 2.98576 Jy ![Exited script file: muppet] wmap "J1800+7828_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8438 x 1.06 at -22.7 degrees (North through East) ! Clean map min=-0.0093358 max=2.1865 Jy/beam ! Writing clean map to FITS file: J1800+7828_X_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.1865 invert ! Inverting map ! Your choice of large map pixels excluded 0.281% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0011556 device "J1800+7828_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1800+7828_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.158555 0.158555 0.317109 0.634218 1.26844 2.53687 5.07375 10.1475 20.295 40.59 81.1799 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.186 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8438 x 1.06 at -22.7 degrees (North through East) ! Clean map min=-0.0093358 max=2.1865 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1800+7828_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1800+7828_X_2011_08_02_pus_map.gif/vgif' mapplot cln