! Started logfile: J1638+5720_X_2003_06_18_pus_uvs.log on Wed Jan 17 17:51:56 2007 obs J1638+5720_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J1638+5720_X_2003_06_18_pus_uva.fits ! AN table 1: 325 integrations on 153 of 153 possible baselines. ! AN table 2: Unused. ! AN table 3: 25 integrations on 153 of 153 possible baselines. ! AN table 4: Unused. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.224613 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1638+5720 ! ! 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 2231 lines of history. ! ! Reading 48112 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 4706 telescope corrections were flagged in sub-array 1. ! A total of 450 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 4438 telescope corrections were flagged in sub-array 1. ! A total of 450 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 4558 telescope corrections were flagged in sub-array 1. ! A total of 450 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 4438 telescope corrections were flagged in sub-array 1. ! A total of 450 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.945580Jy sigma=0.010018 ! Fit after self-cal, rms=0.404256Jy sigma=0.003320 ! 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 5.82% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.5285 mas, bmaj=0.7556 mas, bpa=15.55 degrees ! Estimated noise=1331.01 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 = 0.703367 Jy ! Component: 100 - total flux cleaned = 0.899421 Jy ! Total flux subtracted in 100 components = 0.899421 Jy ! Clean residual min=-0.039803 max=0.084055 Jy/beam ! Clean residual mean=0.002125 rms=0.012842 Jy/beam ! Combined flux in latest and established models = 0.899421 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.899421 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.383348Jy sigma=0.002662 ! Fit after self-cal, rms=0.382778Jy sigma=0.002659 ! Inverting map ! Your choice of large map pixels excluded 5.82% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0929322 Jy ! Component: 100 - total flux cleaned = 0.143183 Jy ! Total flux subtracted in 100 components = 0.143183 Jy ! Clean residual min=-0.023111 max=0.029203 Jy/beam ! Clean residual mean=0.000926 rms=0.007386 Jy/beam ! Combined flux in latest and established models = 1.0426 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 1.0426 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356740Jy sigma=0.002091 ! Fit after self-cal, rms=0.356218Jy sigma=0.002088 ! Inverting map ! Your choice of large map pixels excluded 5.82% of the data. ! The x-axis pixel size should ideally be below 0.1698 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 5.82% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.7993 mas, bmaj=0.9513 mas, bpa=-1.947 degrees ! Estimated noise=476.814 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 = 0.0323417 Jy ! Component: 100 - total flux cleaned = 0.0461828 Jy ! Component: 150 - total flux cleaned = 0.0525714 Jy ! Component: 200 - total flux cleaned = 0.0532137 Jy ! Total flux subtracted in 200 components = 0.0532137 Jy ! Clean residual min=-0.016677 max=0.027188 Jy/beam ! Clean residual mean=0.001921 rms=0.006046 Jy/beam ! Combined flux in latest and established models = 1.09582 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 1.09582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354037Jy sigma=0.002012 ! Fit after self-cal, rms=0.353822Jy sigma=0.002010 ! Inverting map ! Your choice of large map pixels excluded 5.82% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 GG 1.00* HN 0.95 ! KK 1.00* KP 1.04 LA 0.98 MA 1.00* ! MK 1.00* NL 1.05 ON 1.00* OV 1.00 ! PT 0.96 SC 0.97 TC 1.00* TS 1.07 ! WF 1.13 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 204 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GG 1.00* HN 0.96 ! KK 1.00* KP 0.99 LA 0.98 MA 0.98 ! MK 1.00* NL 1.02 ON 1.00* OV 0.99 ! PT 1.00 SC 0.93 TC 1.00* TS 1.08 ! WF 1.19 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 GG 1.00* HN 0.96 ! KK 1.00* KP 1.03 LA 0.99 MA 0.97 ! MK 1.00* NL 1.00 ON 1.00* OV 1.04 ! PT 1.03 SC 0.96 TC 1.00* TS 1.10 ! WF 1.07 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 204 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 GG 1.00* HN 0.98 ! KK 1.00* KP 0.99 LA 0.97 MA 0.99 ! MK 1.00* NL 1.01 ON 1.00* OV 1.03 ! PT 1.03 SC 1.02 TC 1.00* TS 1.09 ! WF 1.06 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.353822Jy sigma=0.002010 ! Fit after self-cal, rms=0.352202Jy sigma=0.001919 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.8504 mas, bmaj=0.9513 mas, bpa=-11.8 degrees ! Estimated noise=485.697 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.2, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0245043 Jy ! Component: 100 - total flux cleaned = 0.0360831 Jy ! Component: 150 - total flux cleaned = 0.0437168 Jy ! Component: 200 - total flux cleaned = 0.0482957 Jy ! Total flux subtracted in 200 components = 0.0482957 Jy ! Clean residual min=-0.006613 max=0.016742 Jy/beam ! Clean residual mean=0.000930 rms=0.002977 Jy/beam ! Combined flux in latest and established models = 1.14411 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 1.14411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350379Jy sigma=0.001884 ! Fit after self-cal, rms=0.350366Jy sigma=0.001882 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Added new window around map position (-1.4, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151006 Jy ! Component: 100 - total flux cleaned = 0.0215966 Jy ! Component: 150 - total flux cleaned = 0.0222194 Jy ! Component: 200 - total flux cleaned = 0.0232654 Jy ! Total flux subtracted in 200 components = 0.0232654 Jy ! Clean residual min=-0.005005 max=0.006194 Jy/beam ! Clean residual mean=0.000105 rms=0.001705 Jy/beam ! Combined flux in latest and established models = 1.16738 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 49 components and 1.16738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349748Jy sigma=0.001869 ! Fit after self-cal, rms=0.349676Jy sigma=0.001869 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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=0.349676Jy sigma=0.001869 ! Fit after self-cal, rms=0.350226Jy sigma=0.001868 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.8505 mas, bmaj=0.9513 mas, bpa=-11.82 degrees ! Estimated noise=485.759 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433892 Jy ! Component: 100 - total flux cleaned = 0.00515671 Jy ! Component: 150 - total flux cleaned = 0.00559748 Jy ! Component: 200 - total flux cleaned = 0.00559276 Jy ! Total flux subtracted in 200 components = 0.00559276 Jy ! Clean residual min=-0.004685 max=0.005737 Jy/beam ! Clean residual mean=0.000078 rms=0.001478 Jy/beam ! Combined flux in latest and established models = 1.17297 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 51 components and 1.17297 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350083Jy sigma=0.001866 ! Fit after self-cal, rms=0.350063Jy sigma=0.001866 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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 = 0.00104991 Jy ! Component: 100 - total flux cleaned = 0.000928039 Jy ! Component: 150 - total flux cleaned = 0.00104828 Jy ! Component: 200 - total flux cleaned = 0.00115573 Jy ! Total flux subtracted in 200 components = 0.00115573 Jy ! Clean residual min=-0.004601 max=0.005154 Jy/beam ! Clean residual mean=0.000041 rms=0.001386 Jy/beam ! Combined flux in latest and established models = 1.17413 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 52 components and 1.17413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349981Jy sigma=0.001864 ! Fit after self-cal, rms=0.349965Jy sigma=0.001864 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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=0.349965Jy sigma=0.001864 ! Fit after self-cal, rms=0.349814Jy sigma=0.001864 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.8515 mas, bmaj=0.9508 mas, bpa=-11.75 degrees ! Estimated noise=486.138 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174594 Jy ! Component: 100 - total flux cleaned = 0.00198533 Jy ! Component: 150 - total flux cleaned = 0.00209355 Jy ! Component: 200 - total flux cleaned = 0.00219095 Jy ! Total flux subtracted in 200 components = 0.00219095 Jy ! Clean residual min=-0.004328 max=0.005095 Jy/beam ! Clean residual mean=0.000042 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 1.17632 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 57 components and 1.17632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349741Jy sigma=0.001863 ! Fit after self-cal, rms=0.349720Jy sigma=0.001863 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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 = 0.000480798 Jy ! Component: 100 - total flux cleaned = 0.000483684 Jy ! Component: 150 - total flux cleaned = 0.000485064 Jy ! Component: 200 - total flux cleaned = 0.000400704 Jy ! Total flux subtracted in 200 components = 0.000400705 Jy ! Clean residual min=-0.004269 max=0.004954 Jy/beam ! Clean residual mean=0.000030 rms=0.001276 Jy/beam ! Combined flux in latest and established models = 1.17672 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 1.17672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349649Jy sigma=0.001861 ! Fit after self-cal, rms=0.349633Jy sigma=0.001861 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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=0.349633Jy sigma=0.001861 ! Fit after self-cal, rms=0.349693Jy sigma=0.001861 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=1.995 mas, bmaj=4.698 mas, bpa=-67.64 degrees ! Estimated noise=593.845 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00248644 Jy ! Component: 100 - total flux cleaned = 0.00275392 Jy ! Component: 150 - total flux cleaned = 0.00285419 Jy ! Component: 200 - total flux cleaned = 0.00293849 Jy ! Total flux subtracted in 200 components = 0.00293849 Jy ! Clean residual min=-0.004103 max=0.004327 Jy/beam ! Clean residual mean=-0.000036 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 1.17966 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 66 components and 1.17966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349704Jy sigma=0.001861 ! Fit after self-cal, rms=0.349698Jy sigma=0.001861 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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 = 0.00058546 Jy ! Component: 100 - total flux cleaned = 0.000664763 Jy ! Component: 150 - total flux cleaned = 0.000699169 Jy ! Component: 200 - total flux cleaned = 0.000699024 Jy ! Total flux subtracted in 200 components = 0.000699024 Jy ! Clean residual min=-0.003874 max=0.004266 Jy/beam ! Clean residual mean=-0.000090 rms=0.001269 Jy/beam ! Combined flux in latest and established models = 1.18036 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 68 components and 1.18036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349692Jy sigma=0.001861 ! Fit after self-cal, rms=0.349689Jy sigma=0.001861 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.8527 mas, bmaj=0.9504 mas, bpa=-11.73 degrees ! Estimated noise=486.598 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8527 x 0.9504 at -11.73 degrees (North through East) ! Clean map min=-0.0049196 max=0.95616 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=0.349689Jy sigma=0.001861 ! Fit after self-cal, rms=0.315045Jy sigma=0.001688 ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.851 mas, bmaj=0.9511 mas, bpa=-11.96 degrees ! Estimated noise=486.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000261392 Jy ! Component: 100 - total flux cleaned = -0.000548698 Jy ! Component: 150 - total flux cleaned = -0.000808568 Jy ! Component: 200 - total flux cleaned = -0.000968998 Jy ! Total flux subtracted in 200 components = -0.000968998 Jy ! Clean residual min=-0.003940 max=0.003745 Jy/beam ! Clean residual mean=-0.000110 rms=0.001035 Jy/beam ! Combined flux in latest and established models = 1.17939 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 70 components and 1.17939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314985Jy sigma=0.001687 ! Fit after self-cal, rms=0.314971Jy sigma=0.001687 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000172373 Jy ! Component: 100 - total flux cleaned = 9.84839e-05 Jy ! Component: 150 - total flux cleaned = 2.92707e-05 Jy ! Component: 200 - total flux cleaned = 9.68099e-05 Jy ! Total flux subtracted in 200 components = 9.68098e-05 Jy ! Clean residual min=-0.003819 max=0.003570 Jy/beam ! Clean residual mean=-0.000113 rms=0.001011 Jy/beam ! Combined flux in latest and established models = 1.17948 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 72 components and 1.17948 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314922Jy sigma=0.001687 ! Fit after self-cal, rms=0.314909Jy sigma=0.001687 ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314909Jy sigma=0.001687 ! Fit after self-cal, rms=0.314859Jy sigma=0.001687 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 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.5809 mas, bmaj=0.7251 mas, bpa=9.765 degrees ! Estimated noise=1346.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.698426 Jy ! Component: 100 - total flux cleaned = 0.89051 Jy ! Component: 150 - total flux cleaned = 0.980957 Jy ! Component: 200 - total flux cleaned = 1.02961 Jy ! Total flux subtracted in 200 components = 1.02961 Jy ! Clean residual min=-0.017777 max=0.026767 Jy/beam ! Clean residual mean=0.001292 rms=0.006025 Jy/beam ! Combined flux in latest and established models = 1.02961 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 11 model components to the UV plane model. ! The established model now contains 11 components and 1.02961 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.852 mas, bmaj=0.9511 mas, bpa=-11.93 degrees ! Estimated noise=486.218 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 = 0.0406249 Jy ! Component: 100 - total flux cleaned = 0.0672934 Jy ! Component: 150 - total flux cleaned = 0.0874864 Jy ! Component: 200 - total flux cleaned = 0.102966 Jy ! Total flux subtracted in 200 components = 0.102966 Jy ! Clean residual min=-0.005841 max=0.010173 Jy/beam ! Clean residual mean=0.001559 rms=0.002658 Jy/beam ! Combined flux in latest and established models = 1.13257 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 1.13257 Jy ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 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 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=1.995 mas, bmaj=4.701 mas, bpa=-67.67 degrees ! Estimated noise=593.135 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.018579 Jy ! Component: 100 - total flux cleaned = 0.0291762 Jy ! Component: 150 - total flux cleaned = 0.0356887 Jy ! Component: 200 - total flux cleaned = 0.0397869 Jy ! Total flux subtracted in 200 components = 0.0397869 Jy ! Clean residual min=-0.003490 max=0.003946 Jy/beam ! Clean residual mean=0.000339 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 1.17236 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 = 0.00261719 Jy ! Component: 100 - total flux cleaned = 0.00410633 Jy ! Component: 150 - total flux cleaned = 0.0045948 Jy ! Component: 200 - total flux cleaned = 0.00500509 Jy ! Total flux subtracted in 200 components = 0.00500509 Jy ! Clean residual min=-0.003512 max=0.002915 Jy/beam ! Clean residual mean=-0.000062 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 1.17736 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 67 components and 1.17737 Jy ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! Estimated beam: bmin=0.852 mas, bmaj=0.9511 mas, bpa=-11.93 degrees ! Estimated noise=486.218 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000411831 Jy ! Component: 100 - total flux cleaned = 0.00073302 Jy ! Component: 150 - total flux cleaned = 0.000880217 Jy ! Component: 200 - total flux cleaned = 0.00100272 Jy ! Total flux subtracted in 200 components = 0.00100272 Jy ! Clean residual min=-0.003952 max=0.004984 Jy/beam ! Clean residual mean=-0.000075 rms=0.001222 Jy/beam ! Combined flux in latest and established models = 1.17837 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 79 components and 1.17837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.315172Jy sigma=0.001687 ! Fit after self-cal, rms=0.315139Jy sigma=0.001684 wmodel J1638+5720_X_2003_06_18_pus_map.mod ! Writing 79 model components to file: J1638+5720_X_2003_06_18_pus_map.mod wobs J1638+5720_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1638+5720_X_2003_06_18_pus_uvs.fits wwins J1638+5720_X_2003_06_18_pus_map.win ! wwins: Wrote 3 windows to J1638+5720_X_2003_06_18_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 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000201495 Jy ! Component: 100 - total flux cleaned = 0.000863867 Jy ! Component: 150 - total flux cleaned = 0.00132981 Jy ! Component: 200 - total flux cleaned = 0.00145652 Jy ! Component: 250 - total flux cleaned = 0.00139929 Jy ! Component: 300 - total flux cleaned = 0.00116909 Jy ! Component: 350 - total flux cleaned = 0.00094672 Jy ! Component: 400 - total flux cleaned = 0.000783846 Jy ! Component: 450 - total flux cleaned = 0.000519412 Jy ! Component: 500 - total flux cleaned = 0.000365475 Jy ! Component: 550 - total flux cleaned = 0.000265352 Jy ! Component: 600 - total flux cleaned = 0.000216213 Jy ! Component: 650 - total flux cleaned = 0.000120298 Jy ! Component: 700 - total flux cleaned = 2.66835e-05 Jy ! Component: 750 - total flux cleaned = -1.96801e-05 Jy ! Component: 800 - total flux cleaned = -0.000110187 Jy ! Component: 850 - total flux cleaned = -0.000154593 Jy ! Component: 900 - total flux cleaned = -0.000198458 Jy ! Component: 950 - total flux cleaned = -0.000241966 Jy ! Component: 1000 - total flux cleaned = -0.000326504 Jy ! Total flux subtracted in 1024 components = -0.000326449 Jy ! Clean residual min=-0.002133 max=0.002062 Jy/beam ! Clean residual mean=-0.000118 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 1.17804 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 136 components and 1.17804 Jy wmap "J1638+5720_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.852 x 0.9511 at -11.93 degrees (North through East) ! Clean map min=-0.0037515 max=0.95678 Jy/beam ! Writing clean map to FITS file: J1638+5720_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.956782 invert ! Inverting map ! Your choice of large map pixels excluded 5.79% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000793043 device "J1638+5720_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1638+5720_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.248659 0.248659 0.497319 0.994638 1.98928 3.97855 7.9571 15.9142 31.8284 63.6568 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.956 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.852 x 0.9511 at -11.93 degrees (North through East) ! Clean map min=-0.0037515 max=0.95678 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1638+5720_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1638+5720_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1638+5720_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 17:53:13 2007