! Started logfile: J1937+8356_X_2006_02_23_yyk_uvs.log on Wed Jul 5 13:38:59 2006 obs J1937+8356_X_2006_02_23_yyk_uva.fits ! Reading UV FITS file: J1937+8356_X_2006_02_23_yyk_uva.fits ! AN table 1: 879 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.994489 visibilities/baseline/integration-bin. ! Found source: J1937+8356 ! ! 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 2397 lines of history. ! ! Reading 157348 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 ![@muppet J1937+8356_X_2006_02_23_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 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. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.162262 Jy 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.6518 mas, bmaj=2.729 mas, bpa=2.098 degrees ! Estimated noise=1.18931 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.111853 Jy ! Component: 100 - total flux cleaned = 0.139782 Jy ! Total flux subtracted in 100 components = 0.139782 Jy ! Clean residual min=-0.012675 max=0.027215 Jy/beam ! Clean residual mean=0.000006 rms=0.003544 Jy/beam ! Combined flux in latest and established models = 0.139782 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.139782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078374Jy sigma=1.510153 ! Fit after self-cal, rms=0.078209Jy sigma=1.506825 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Added new window around map position (-0.8, -0.2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0279151 Jy ! Component: 100 - total flux cleaned = 0.0396991 Jy ! Total flux subtracted in 100 components = 0.0396991 Jy ! Clean residual min=-0.009262 max=0.009581 Jy/beam ! Clean residual mean=0.000012 rms=0.002324 Jy/beam ! Combined flux in latest and established models = 0.179481 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 20 components and 0.179481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070361Jy sigma=1.331167 ! Fit after self-cal, rms=0.069815Jy sigma=1.322513 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.8575 mas, bmaj=2.948 mas, bpa=0.5737 degrees ! Estimated noise=0.653521 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-7.2, 0). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0153213 Jy ! Component: 100 - total flux cleaned = 0.0220735 Jy ! Component: 150 - total flux cleaned = 0.0255788 Jy ! Component: 200 - total flux cleaned = 0.0279798 Jy ! Total flux subtracted in 200 components = 0.0279798 Jy ! Clean residual min=-0.005793 max=0.006961 Jy/beam ! Clean residual mean=-0.000008 rms=0.001567 Jy/beam ! Combined flux in latest and established models = 0.207461 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 49 components and 0.207461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067208Jy sigma=1.262029 ! Fit after self-cal, rms=0.067059Jy sigma=1.259101 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8575 x 2.948 at 0.5737 degrees (North through East) ! Clean map min=-0.0046866 max=0.14119 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.996523 ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.04 HN 0.99 KP 1.03 ! LA 0.95 MK 0.97 NL 0.99 OV 0.96 ! PT 1.02 SC 1.18 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01294 ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HN 1.08 KP 0.93 ! LA 0.92 MK 0.93 NL 0.96 OV 0.96 ! PT 1.07 SC 1.10 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.01738 ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.92 KP 0.86 ! LA 0.94 MK 0.96 NL 0.98 OV 0.99 ! PT 1.06 SC 1.08 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.98806 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HN 0.98 KP 0.87 ! LA 0.96 MK 0.94 NL 0.99 OV 1.04 ! PT 1.17 SC 1.18 ! ! ! Fit before self-cal, rms=0.067059Jy sigma=1.259101 ! Fit after self-cal, rms=0.067403Jy sigma=1.228829 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067403Jy sigma=1.228829 ! Fit after self-cal, rms=0.067403Jy sigma=1.229327 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.8717 mas, bmaj=2.917 mas, bpa=1.141 degrees ! Estimated noise=0.648347 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.8, 0). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00664292 Jy ! Component: 100 - total flux cleaned = 0.00971612 Jy ! Component: 150 - total flux cleaned = 0.0112843 Jy ! Component: 200 - total flux cleaned = 0.0123563 Jy ! Total flux subtracted in 200 components = 0.0123563 Jy ! Clean residual min=-0.002444 max=0.002840 Jy/beam ! Clean residual mean=-0.000007 rms=0.000733 Jy/beam ! Combined flux in latest and established models = 0.219818 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 83 components and 0.219818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066857Jy sigma=1.217694 ! Fit after self-cal, rms=0.066851Jy sigma=1.217958 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066851Jy sigma=1.217958 ! Fit after self-cal, rms=0.052891Jy sigma=0.991817 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00340246 Jy ! Component: 100 - total flux cleaned = 0.00323389 Jy ! Component: 150 - total flux cleaned = 0.00374642 Jy ! Component: 200 - total flux cleaned = 0.0043149 Jy ! Total flux subtracted in 200 components = 0.0043149 Jy ! Clean residual min=-0.003119 max=0.002721 Jy/beam ! Clean residual mean=-0.000002 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.224132 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 113 components and 0.224132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051877Jy sigma=0.976995 ! Fit after self-cal, rms=0.051690Jy sigma=0.973603 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8717 x 2.917 at 1.141 degrees (North through East) ! Clean map min=-0.0029107 max=0.14592 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if ! Performing amp+phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051690Jy sigma=0.973603 ! Fit after self-cal, rms=0.049768Jy sigma=0.968175 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049768Jy sigma=0.968175 ! Fit after self-cal, rms=0.049752Jy sigma=0.967872 ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.8434 mas, bmaj=2.928 mas, bpa=1.006 degrees ! Estimated noise=0.637284 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208881 Jy ! Component: 100 - total flux cleaned = 0.00261901 Jy ! Component: 150 - total flux cleaned = 0.00288429 Jy ! Component: 200 - total flux cleaned = 0.00311522 Jy ! Total flux subtracted in 200 components = 0.00311522 Jy ! Clean residual min=-0.002178 max=0.002146 Jy/beam ! Clean residual mean=-0.000002 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.227248 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 138 components and 0.227248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049598Jy sigma=0.964469 ! Fit after self-cal, rms=0.049588Jy sigma=0.964304 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049588Jy sigma=0.964304 ! Fit after self-cal, rms=0.048186Jy sigma=0.937405 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048186Jy sigma=0.937405 ! Fit after self-cal, rms=0.048189Jy sigma=0.937328 ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.8419 mas, bmaj=2.936 mas, bpa=0.8468 degrees ! Estimated noise=0.634308 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000780583 Jy ! Component: 100 - total flux cleaned = 0.00120431 Jy ! Component: 150 - total flux cleaned = 0.00149347 Jy ! Component: 200 - total flux cleaned = 0.00179098 Jy ! Total flux subtracted in 200 components = 0.00179098 Jy ! Clean residual min=-0.002115 max=0.002243 Jy/beam ! Clean residual mean=-0.000000 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.229039 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 166 components and 0.229039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048128Jy sigma=0.936044 ! Fit after self-cal, rms=0.048125Jy sigma=0.935971 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Added new window around map position (15.6, -24). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010623 Jy ! Component: 100 - total flux cleaned = 0.00110855 Jy ! Component: 150 - total flux cleaned = 0.00129407 Jy ! Component: 200 - total flux cleaned = 0.0014172 Jy ! Total flux subtracted in 200 components = 0.0014172 Jy ! Clean residual min=-0.001928 max=0.001839 Jy/beam ! Clean residual mean=0.000001 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.230456 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 187 components and 0.230456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048006Jy sigma=0.933526 ! Fit after self-cal, rms=0.048002Jy sigma=0.933391 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! ************** FINISHED AMPLITUDE SELF-CAL ************** uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=2.085 mas, bmaj=3.539 mas, bpa=-2.723 degrees ! Estimated noise=0.824117 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104397 Jy ! Component: 100 - total flux cleaned = 0.00140188 Jy ! Component: 150 - total flux cleaned = 0.00170308 Jy ! Component: 200 - total flux cleaned = 0.00189775 Jy ! Total flux subtracted in 200 components = 0.00189775 Jy ! Clean residual min=-0.001449 max=0.001381 Jy/beam ! Clean residual mean=0.000008 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.232354 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 210 components and 0.232354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047990Jy sigma=0.933054 ! Fit after self-cal, rms=0.047988Jy sigma=0.933004 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec uvtaper 0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.6463 mas, bmaj=2.723 mas, bpa=2.108 degrees ! Estimated noise=1.1402 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.115365 Jy ! Component: 100 - total flux cleaned = 0.149668 Jy ! Component: 150 - total flux cleaned = 0.168434 Jy ! Component: 200 - total flux cleaned = 0.180677 Jy ! Total flux subtracted in 200 components = 0.180677 Jy ! Clean residual min=-0.005475 max=0.005936 Jy/beam ! Clean residual mean=0.000004 rms=0.001636 Jy/beam ! Combined flux in latest and established models = 0.180677 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 23 model components to the UV plane model. ! The established model now contains 23 components and 0.180677 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.8419 mas, bmaj=2.936 mas, bpa=0.8468 degrees ! Estimated noise=0.634308 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135993 Jy ! Component: 100 - total flux cleaned = 0.0221662 Jy ! Component: 150 - total flux cleaned = 0.0283095 Jy ! Component: 200 - total flux cleaned = 0.0329458 Jy ! Total flux subtracted in 200 components = 0.0329458 Jy ! Clean residual min=-0.002562 max=0.002853 Jy/beam ! Clean residual mean=-0.000017 rms=0.000860 Jy/beam ! Combined flux in latest and established models = 0.213623 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 68 components and 0.213623 Jy ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=2.085 mas, bmaj=3.539 mas, bpa=-2.723 degrees ! Estimated noise=0.824117 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00629418 Jy ! Component: 100 - total flux cleaned = 0.0101353 Jy ! Component: 150 - total flux cleaned = 0.0122148 Jy ! Component: 200 - total flux cleaned = 0.0136497 Jy ! Total flux subtracted in 200 components = 0.0136497 Jy ! Clean residual min=-0.001732 max=0.001994 Jy/beam ! Clean residual mean=-0.000007 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.227273 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 118 components and 0.227273 Jy ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! Estimated beam: bmin=0.8419 mas, bmaj=2.936 mas, bpa=0.8468 degrees ! Estimated noise=0.634308 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000941957 Jy ! Component: 100 - total flux cleaned = 0.00177158 Jy ! Component: 150 - total flux cleaned = 0.00212585 Jy ! Component: 200 - total flux cleaned = 0.00250669 Jy ! Total flux subtracted in 200 components = 0.00250669 Jy ! Clean residual min=-0.002036 max=0.002132 Jy/beam ! Clean residual mean=-0.000001 rms=0.000528 Jy/beam ! Combined flux in latest and established models = 0.229779 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 152 components and 0.229779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048088Jy sigma=0.935020 ! Fit after self-cal, rms=0.048020Jy sigma=0.933868 wmodel J1937+8356_X_2006_02_23_yyk\_map.mod ! Writing 152 model components to file: J1937+8356_X_2006_02_23_yyk_map.mod wobs J1937+8356_X_2006_02_23_yyk\_uvs.fits ! Writing UV FITS file: J1937+8356_X_2006_02_23_yyk_uvs.fits wwins J1937+8356_X_2006_02_23_yyk\_map.win ! wwins: Wrote 5 windows to J1937+8356_X_2006_02_23_yyk_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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000194421 Jy ! Component: 100 - total flux cleaned = -0.000328713 Jy ! Component: 150 - total flux cleaned = -0.000267998 Jy ! Component: 200 - total flux cleaned = -0.000209224 Jy ! Component: 250 - total flux cleaned = -0.000152701 Jy ! Component: 300 - total flux cleaned = -0.00017965 Jy ! Component: 350 - total flux cleaned = -0.000232131 Jy ! Component: 400 - total flux cleaned = -0.000308837 Jy ! Component: 450 - total flux cleaned = -0.000333803 Jy ! Component: 500 - total flux cleaned = -0.000333946 Jy ! Component: 550 - total flux cleaned = -0.000310367 Jy ! Component: 600 - total flux cleaned = -0.000264079 Jy ! Component: 650 - total flux cleaned = -0.00021899 Jy ! Component: 700 - total flux cleaned = -0.000219078 Jy ! Component: 750 - total flux cleaned = -0.000175619 Jy ! Component: 800 - total flux cleaned = -0.000153897 Jy ! Component: 850 - total flux cleaned = -6.96425e-05 Jy ! Component: 900 - total flux cleaned = -4.88791e-05 Jy ! Component: 950 - total flux cleaned = 3.3215e-05 Jy ! Component: 1000 - total flux cleaned = 0.000214549 Jy ! Component: 1050 - total flux cleaned = 0.000234397 Jy ! Component: 1100 - total flux cleaned = 0.000371997 Jy ! Component: 1150 - total flux cleaned = 0.000449422 Jy ! Component: 1200 - total flux cleaned = 0.000525416 Jy ! Component: 1250 - total flux cleaned = 0.00060055 Jy ! Component: 1300 - total flux cleaned = 0.000619123 Jy ! Component: 1350 - total flux cleaned = 0.000656044 Jy ! Component: 1400 - total flux cleaned = 0.00074697 Jy ! Component: 1450 - total flux cleaned = 0.000746838 Jy ! Component: 1500 - total flux cleaned = 0.000729314 Jy ! Component: 1550 - total flux cleaned = 0.000799786 Jy ! Component: 1600 - total flux cleaned = 0.000834679 Jy ! Component: 1650 - total flux cleaned = 0.000817525 Jy ! Component: 1700 - total flux cleaned = 0.000885699 Jy ! Component: 1750 - total flux cleaned = 0.000885552 Jy ! Component: 1800 - total flux cleaned = 0.000901955 Jy ! Component: 1850 - total flux cleaned = 0.000918577 Jy ! Component: 1900 - total flux cleaned = 0.000935093 Jy ! Component: 1950 - total flux cleaned = 0.000967703 Jy ! Component: 2000 - total flux cleaned = 0.000967623 Jy ! Total flux subtracted in 2048 components = 0.000983562 Jy ! Clean residual min=-0.000891 max=0.000868 Jy/beam ! Clean residual mean=-0.000002 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.230763 Jy keep ! Adding 139 model components to the UV plane model. ! The established model now contains 291 components and 0.230763 Jy ![Exited script file: muppet] wmap "J1937+8356_X_2006_02_23_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8419 x 2.936 at 0.8468 degrees (North through East) ! Clean map min=-0.0016347 max=0.14463 Jy/beam ! Writing clean map to FITS file: J1937+8356_X_2006_02_23_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.144634 invert ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000308521 device "J1937+8356_X_2006_02_23_yyk\_map.eps/VPS" ! Attempting to open device: 'J1937+8356_X_2006_02_23_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.639935 0.639935 1.27987 2.55974 5.11948 10.239 20.4779 40.9558 81.9117 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.144 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8419 x 2.936 at 0.8468 degrees (North through East) ! Clean map min=-0.0016347 max=0.14463 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1937+8356_X_2006_02_23_yyk\_map.gif/gif" ! Attempting to open device: 'J1937+8356_X_2006_02_23_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1937+8356_X_2006_02_23_yyk_uvs.log closed on Wed Jul 5 13:39:48 2006