! Started logfile: J0921-2618_X_1999_03_08_pus_uvs.log on Thu Jan 3 18:27:43 2008 obs J0921-2618_X_1999_03_08_pus_uva.fits ! Reading UV FITS file: J0921-2618_X_1999_03_08_pus_uva.fits ! AN table 1: Unused. ! AN table 2: Unused. ! AN table 3: Unused. ! AN table 4: Unused. ! AN table 5: Unused. ! AN table 6: 135 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.117895 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! ! 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 2585 lines of history. ! ! Reading 12096 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0921-2618_X_1999_03_08_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 = 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 1945 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1945 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1945 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1945 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.850095Jy sigma=0.006590 ! Fit after self-cal, rms=0.331239Jy sigma=0.002092 ! 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 2.23% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.6991 mas, bmaj=1.61 mas, bpa=9.512 degrees ! Estimated noise=1206.43 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 = 0.665647 Jy ! Component: 100 - total flux cleaned = 0.829458 Jy ! Total flux subtracted in 100 components = 0.829458 Jy ! Clean residual min=-0.031465 max=0.065107 Jy/beam ! Clean residual mean=0.001901 rms=0.011334 Jy/beam ! Combined flux in latest and established models = 0.829458 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.829458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308961Jy sigma=0.002486 ! Fit after self-cal, rms=0.308955Jy sigma=0.002486 ! Inverting map ! Your choice of large map pixels excluded 2.23% of the data. ! The x-axis pixel size should ideally be below 0.163 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 2.23% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9173 mas, bmaj=2.244 mas, bpa=2.529 degrees ! Estimated noise=732.806 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 = 0.128281 Jy ! Component: 100 - total flux cleaned = 0.189109 Jy ! Component: 150 - total flux cleaned = 0.221348 Jy ! Component: 200 - total flux cleaned = 0.238918 Jy ! Total flux subtracted in 200 components = 0.238918 Jy ! Clean residual min=-0.017429 max=0.049077 Jy/beam ! Clean residual mean=0.002019 rms=0.009102 Jy/beam ! Combined flux in latest and established models = 1.06838 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 37 components and 1.06838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275934Jy sigma=0.001573 ! Fit after self-cal, rms=0.275880Jy sigma=0.001572 ! Inverting map ! Your choice of large map pixels excluded 2.23% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.98 GC 1.00* GG 1.00* ! HN 1.02 KP 0.95 LA 0.96 NL 1.11 ! OV 0.99 PT 0.94 SC 0.99 WF 1.04 ! GN 1.12 HH 0.97 KK 0.95 MC 1.00* ! MK 0.96 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.98 GC 1.00* GG 1.00* ! HN 1.01 KP 0.96 LA 0.96 NL 1.06 ! OV 0.99 PT 0.94 SC 0.97 WF 1.09 ! GN 1.12 HH 1.18 KK 0.96 MC 1.00* ! MK 0.94 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 GC 1.00* GG 1.00* ! HN 1.00 KP 0.96 LA 0.97 NL 1.11 ! OV 0.98 PT 0.95 SC 0.98 WF 1.07 ! GN 1.11 HH 1.09 KK 0.95 MC 1.00* ! MK 0.93 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.98 GC 1.00* GG 1.00* ! HN 1.01 KP 0.96 LA 0.97 NL 1.06 ! OV 0.98 PT 0.95 SC 0.98 WF 1.06 ! GN 1.11 HH 1.44 KK 0.94 MC 1.00* ! MK 0.93 NY 1.00* ON 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.275880Jy sigma=0.001572 ! Fit after self-cal, rms=0.298406Jy sigma=0.001394 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9219 mas, bmaj=2.439 mas, bpa=0.4937 degrees ! Estimated noise=727.837 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 (-1.4, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178911 Jy ! Component: 100 - total flux cleaned = 0.0184675 Jy ! Component: 150 - total flux cleaned = 0.0188981 Jy ! Component: 200 - total flux cleaned = 0.0192359 Jy ! Total flux subtracted in 200 components = 0.0192359 Jy ! Clean residual min=-0.018547 max=0.017226 Jy/beam ! Clean residual mean=0.000620 rms=0.004431 Jy/beam ! Combined flux in latest and established models = 1.08761 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 47 components and 1.08761 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295959Jy sigma=0.001359 ! Fit after self-cal, rms=0.295909Jy sigma=0.001354 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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=0.295909Jy sigma=0.001354 ! Fit after self-cal, rms=0.292640Jy sigma=0.001257 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9248 mas, bmaj=2.432 mas, bpa=0.3587 degrees ! Estimated noise=727.935 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011359 Jy ! Component: 100 - total flux cleaned = 0.0119468 Jy ! Component: 150 - total flux cleaned = 0.0123601 Jy ! Component: 200 - total flux cleaned = 0.0120197 Jy ! Total flux subtracted in 200 components = 0.0120197 Jy ! Clean residual min=-0.010040 max=0.008944 Jy/beam ! Clean residual mean=0.000415 rms=0.002361 Jy/beam ! Combined flux in latest and established models = 1.09963 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 61 components and 1.09963 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291791Jy sigma=0.001246 ! Fit after self-cal, rms=0.291655Jy sigma=0.001243 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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 = 0.00232083 Jy ! Component: 100 - total flux cleaned = 0.00232809 Jy ! Component: 150 - total flux cleaned = 0.00218872 Jy ! Component: 200 - total flux cleaned = 0.00170844 Jy ! Total flux subtracted in 200 components = 0.00170844 Jy ! Clean residual min=-0.010032 max=0.008688 Jy/beam ! Clean residual mean=0.000371 rms=0.002281 Jy/beam ! Combined flux in latest and established models = 1.10134 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 70 components and 1.10134 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291479Jy sigma=0.001240 ! Fit after self-cal, rms=0.291408Jy sigma=0.001240 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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=0.291408Jy sigma=0.001240 ! Fit after self-cal, rms=0.297483Jy sigma=0.001229 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9242 mas, bmaj=2.437 mas, bpa=0.307 degrees ! Estimated noise=728.267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00600439 Jy ! Component: 100 - total flux cleaned = 0.00647047 Jy ! Component: 150 - total flux cleaned = 0.00635118 Jy ! Component: 200 - total flux cleaned = 0.00614285 Jy ! Total flux subtracted in 200 components = 0.00614285 Jy ! Clean residual min=-0.006082 max=0.007727 Jy/beam ! Clean residual mean=0.000321 rms=0.001959 Jy/beam ! Combined flux in latest and established models = 1.10748 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 80 components and 1.10748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297309Jy sigma=0.001226 ! Fit after self-cal, rms=0.297298Jy sigma=0.001225 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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 = 0.00114683 Jy ! Component: 100 - total flux cleaned = 0.00114852 Jy ! Component: 150 - total flux cleaned = 0.000974898 Jy ! Component: 200 - total flux cleaned = 0.000737529 Jy ! Total flux subtracted in 200 components = 0.000737529 Jy ! Clean residual min=-0.005926 max=0.007447 Jy/beam ! Clean residual mean=0.000300 rms=0.001928 Jy/beam ! Combined flux in latest and established models = 1.10822 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 82 components and 1.10822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297253Jy sigma=0.001224 ! Fit after self-cal, rms=0.297231Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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=0.297231Jy sigma=0.001224 ! Fit after self-cal, rms=0.296970Jy sigma=0.001223 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=2.234 mas, bmaj=5.069 mas, bpa=-2.813 degrees ! Estimated noise=871.703 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0038528 Jy ! Component: 100 - total flux cleaned = 0.0037407 Jy ! Component: 150 - total flux cleaned = 0.00346638 Jy ! Component: 200 - total flux cleaned = 0.0033177 Jy ! Total flux subtracted in 200 components = 0.0033177 Jy ! Clean residual min=-0.005262 max=0.011346 Jy/beam ! Clean residual mean=0.000608 rms=0.002688 Jy/beam ! Combined flux in latest and established models = 1.11154 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 94 components and 1.11154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296923Jy sigma=0.001222 ! Fit after self-cal, rms=0.296914Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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 = 0.000919921 Jy ! Component: 100 - total flux cleaned = 0.000843961 Jy ! Component: 150 - total flux cleaned = 0.000653663 Jy ! Component: 200 - total flux cleaned = 0.00054509 Jy ! Total flux subtracted in 200 components = 0.00054509 Jy ! Clean residual min=-0.005363 max=0.011373 Jy/beam ! Clean residual mean=0.000579 rms=0.002685 Jy/beam ! Combined flux in latest and established models = 1.11208 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 100 components and 1.11208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296924Jy sigma=0.001221 ! Fit after self-cal, rms=0.296919Jy sigma=0.001221 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Added new window around map position (-5.6, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00763329 Jy ! Component: 100 - total flux cleaned = 0.00801747 Jy ! Component: 150 - total flux cleaned = 0.0086285 Jy ! Component: 200 - total flux cleaned = 0.0095161 Jy ! Total flux subtracted in 200 components = 0.0095161 Jy ! Clean residual min=-0.003919 max=0.005592 Jy/beam ! Clean residual mean=0.000265 rms=0.001639 Jy/beam ! Combined flux in latest and established models = 1.1216 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 137 components and 1.1216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296644Jy sigma=0.001217 ! Fit after self-cal, rms=0.296633Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9243 mas, bmaj=2.437 mas, bpa=0.3075 degrees ! Estimated noise=728.338 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9243 x 2.437 at 0.3075 degrees (North through East) ! Clean map min=-0.0088653 max=0.90473 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=0.296633Jy sigma=0.001216 ! Fit after self-cal, rms=0.487816Jy sigma=0.001119 ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9246 mas, bmaj=2.434 mas, bpa=0.3356 degrees ! Estimated noise=727.731 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00328099 Jy ! Component: 100 - total flux cleaned = 0.00368765 Jy ! Component: 150 - total flux cleaned = 0.00369686 Jy ! Component: 200 - total flux cleaned = 0.00392001 Jy ! Total flux subtracted in 200 components = 0.00392001 Jy ! Clean residual min=-0.004117 max=0.005463 Jy/beam ! Clean residual mean=0.000140 rms=0.001182 Jy/beam ! Combined flux in latest and established models = 1.12552 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 163 components and 1.12552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487686Jy sigma=0.001118 ! Fit after self-cal, rms=0.487706Jy sigma=0.001117 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Added new window around map position (-4.8, -10.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00363335 Jy ! Component: 100 - total flux cleaned = 0.00412254 Jy ! Component: 150 - total flux cleaned = 0.00423599 Jy ! Component: 200 - total flux cleaned = 0.00454265 Jy ! Total flux subtracted in 200 components = 0.00454265 Jy ! Clean residual min=-0.003854 max=0.004518 Jy/beam ! Clean residual mean=0.000068 rms=0.001081 Jy/beam ! Combined flux in latest and established models = 1.13006 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 179 components and 1.13006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487571Jy sigma=0.001116 ! Fit after self-cal, rms=0.487580Jy sigma=0.001116 ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487580Jy sigma=0.001116 ! Fit after self-cal, rms=0.620477Jy sigma=0.001116 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 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.7029 mas, bmaj=1.642 mas, bpa=7.943 degrees ! Estimated noise=1228.23 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.67191 Jy ! Component: 100 - total flux cleaned = 0.836396 Jy ! Component: 150 - total flux cleaned = 0.919113 Jy ! Component: 200 - total flux cleaned = 0.973707 Jy ! Total flux subtracted in 200 components = 0.973707 Jy ! Clean residual min=-0.011655 max=0.029495 Jy/beam ! Clean residual mean=0.000970 rms=0.005182 Jy/beam ! Combined flux in latest and established models = 0.973707 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.973707 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9247 mas, bmaj=2.436 mas, bpa=0.3087 degrees ! Estimated noise=727.734 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 = 0.0610271 Jy ! Component: 100 - total flux cleaned = 0.0940649 Jy ! Component: 150 - total flux cleaned = 0.113459 Jy ! Component: 200 - total flux cleaned = 0.126276 Jy ! Total flux subtracted in 200 components = 0.126276 Jy ! Clean residual min=-0.005648 max=0.007173 Jy/beam ! Clean residual mean=0.000695 rms=0.002218 Jy/beam ! Combined flux in latest and established models = 1.09998 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 57 components and 1.09998 Jy ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 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 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=2.232 mas, bmaj=5.063 mas, bpa=-2.778 degrees ! Estimated noise=871.145 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137467 Jy ! Component: 100 - total flux cleaned = 0.0218594 Jy ! Component: 150 - total flux cleaned = 0.0268114 Jy ! Component: 200 - total flux cleaned = 0.0279638 Jy ! Total flux subtracted in 200 components = 0.0279638 Jy ! Clean residual min=-0.004507 max=0.004459 Jy/beam ! Clean residual mean=0.000292 rms=0.001739 Jy/beam ! Combined flux in latest and established models = 1.12795 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 = 0.00101731 Jy ! Component: 100 - total flux cleaned = 0.00193643 Jy ! Component: 150 - total flux cleaned = 0.00263201 Jy ! Component: 200 - total flux cleaned = 0.00326581 Jy ! Total flux subtracted in 200 components = 0.00326581 Jy ! Clean residual min=-0.004129 max=0.004397 Jy/beam ! Clean residual mean=0.000180 rms=0.001402 Jy/beam ! Combined flux in latest and established models = 1.13121 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 124 components and 1.13121 Jy ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! Estimated beam: bmin=0.9247 mas, bmaj=2.436 mas, bpa=0.3087 degrees ! Estimated noise=727.734 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194373 Jy ! Component: 100 - total flux cleaned = 0.00224692 Jy ! Component: 150 - total flux cleaned = 0.00224794 Jy ! Component: 200 - total flux cleaned = 0.00225214 Jy ! Total flux subtracted in 200 components = 0.00225214 Jy ! Clean residual min=-0.003828 max=0.004715 Jy/beam ! Clean residual mean=0.000061 rms=0.001136 Jy/beam ! Combined flux in latest and established models = 1.13347 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 146 components and 1.13347 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.620673Jy sigma=0.001118 ! Fit after self-cal, rms=0.620567Jy sigma=0.001117 wmodel J0921-2618_X_1999_03_08_pus_map.mod ! Writing 146 model components to file: J0921-2618_X_1999_03_08_pus_map.mod wobs J0921-2618_X_1999_03_08_pus_uvs.fits ! Writing UV FITS file: J0921-2618_X_1999_03_08_pus_uvs.fits wwins J0921-2618_X_1999_03_08_pus_map.win ! wwins: Wrote 4 windows to J0921-2618_X_1999_03_08_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 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00090498 Jy ! Component: 100 - total flux cleaned = -0.000907482 Jy ! Component: 150 - total flux cleaned = -0.000907451 Jy ! Component: 200 - total flux cleaned = -0.00108376 Jy ! Component: 250 - total flux cleaned = -0.00114123 Jy ! Component: 300 - total flux cleaned = -0.00119628 Jy ! Component: 350 - total flux cleaned = -0.00119511 Jy ! Component: 400 - total flux cleaned = -0.00119427 Jy ! Component: 450 - total flux cleaned = -0.00124442 Jy ! Component: 500 - total flux cleaned = -0.00124422 Jy ! Component: 550 - total flux cleaned = -0.00109951 Jy ! Component: 600 - total flux cleaned = -0.00109914 Jy ! Component: 650 - total flux cleaned = -0.00100606 Jy ! Component: 700 - total flux cleaned = -0.000960043 Jy ! Component: 750 - total flux cleaned = -0.000779568 Jy ! Component: 800 - total flux cleaned = -0.000602129 Jy ! Component: 850 - total flux cleaned = -0.000470439 Jy ! Component: 900 - total flux cleaned = -0.000384113 Jy ! Component: 950 - total flux cleaned = -0.000170553 Jy ! Component: 1000 - total flux cleaned = 3.95793e-05 Jy ! Total flux subtracted in 1024 components = 3.94323e-05 Jy ! Clean residual min=-0.002240 max=0.002404 Jy/beam ! Clean residual mean=0.000036 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 1.13351 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 206 components and 1.1335 Jy ![Exited script file: muppet] wmap "J0921-2618_X_1999_03_08_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9247 x 2.436 at 0.3087 degrees (North through East) ! Clean map min=-0.0034537 max=0.90782 Jy/beam ! Writing clean map to FITS file: J0921-2618_X_1999_03_08_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.907819 invert ! Inverting map ! Your choice of large map pixels excluded 2.26% of the data. ! The x-axis pixel size should ideally be below 0.163 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000861205 device "J0921-2618_X_1999_03_08_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_X_1999_03_08_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.284596 0.284596 0.569192 1.13838 2.27677 4.55353 9.10707 18.2141 36.4283 72.8565 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.907 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9247 x 2.436 at 0.3087 degrees (North through East) ! Clean map min=-0.0034537 max=0.90782 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0921-2618_X_1999_03_08_pus\_map.gif/vgif" ! Attempting to open device: 'J0921-2618_X_1999_03_08_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0921-2618_X_1999_03_08_pus_uvs.log closed on Thu Jan 3 18:27:51 2008