! Started logfile: J1924-2914_X_1999_12_20_pus_uvs.log on Mon Dec 17 17:15:00 2007 obs J1924-2914_X_1999_12_20_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_1999_12_20_pus_uva.fits ! AN table 1: 4 integrations on 190 of 190 possible baselines. ! AN table 2: 62 integrations on 190 of 190 possible baselines. ! AN table 3: 86 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0427285 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 2511 lines of history. ! ! Reading 4936 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 J1924-2914_X_1999_12_20_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 80 telescope corrections were flagged in sub-array 1. ! A total of 1109 telescope corrections were flagged in sub-array 2. ! A total of 1450 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 1109 telescope corrections were flagged in sub-array 2. ! A total of 1450 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 1109 telescope corrections were flagged in sub-array 2. ! A total of 1450 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 1109 telescope corrections were flagged in sub-array 2. ! A total of 1450 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=5.966121Jy sigma=0.054550 ! Fit after self-cal, rms=5.264975Jy sigma=0.049429 ! 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 1.73% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6581 mas, bmaj=1.921 mas, bpa=-1.078 degrees ! Estimated noise=1620.81 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 = 4.43284 Jy ! Component: 100 - total flux cleaned = 5.58627 Jy ! Total flux subtracted in 100 components = 5.58627 Jy ! Clean residual min=-0.173389 max=0.450986 Jy/beam ! Clean residual mean=0.014971 rms=0.079099 Jy/beam ! Combined flux in latest and established models = 5.58627 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 5.58627 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.256590Jy sigma=0.012008 ! Fit after self-cal, rms=1.256653Jy sigma=0.012008 ! Inverting map ! Your choice of large map pixels excluded 1.73% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.73% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.844 mas, bmaj=2.426 mas, bpa=-4.391 degrees ! Estimated noise=1179.5 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 = 0.753397 Jy ! Component: 100 - total flux cleaned = 1.10358 Jy ! Component: 150 - total flux cleaned = 1.28082 Jy ! Component: 200 - total flux cleaned = 1.37602 Jy ! Total flux subtracted in 200 components = 1.37602 Jy ! Clean residual min=-0.111657 max=0.367858 Jy/beam ! Clean residual mean=0.031148 rms=0.077136 Jy/beam ! Combined flux in latest and established models = 6.96229 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 38 components and 6.96229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.760187Jy sigma=0.007260 ! Fit after self-cal, rms=0.757373Jy sigma=0.007242 ! Inverting map ! Your choice of large map pixels excluded 1.73% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 1.00 LA 0.98 ! MC 1.00* MK 0.99 NY 1.00* ON 1.00* ! OV 1.01 PT 0.95 SC 1.08 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.14 ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 1.06 LA 1.09 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.09 PT 1.00* SC 1.03 TS 1.00* ! WF 0.95 WZ 1.00* GN 1.01 NL 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.95 LA 0.98 ! MC 1.00* MK 0.99 NY 1.00* ON 1.00* ! OV 1.01 PT 0.94 SC 1.04 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.13 ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 1.01 LA 1.08 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.09 PT 1.00* SC 0.98 TS 1.00* ! WF 0.95 WZ 1.00* GN 1.01 NL 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 0.96 LA 0.98 ! MC 1.00* MK 0.98 NY 1.00* ON 1.00* ! OV 0.99 PT 0.96 SC 1.02 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.10 ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 1.02 LA 1.07 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.07 PT 1.00* SC 0.97 TS 1.00* ! WF 0.95 WZ 1.00* GN 0.98 NL 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.96 LA 0.98 ! MC 1.00* MK 0.95 NY 1.00* ON 1.00* ! OV 0.99 PT 0.95 SC 1.02 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.12 ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 0.96 KK 1.00* KP 1.01 LA 1.08 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.07 PT 1.00* SC 0.98 TS 1.00* ! WF 0.95 WZ 1.00* GN 0.99 NL 1.00 ! ! ! Fit before self-cal, rms=0.757373Jy sigma=0.007242 ! Fit after self-cal, rms=0.656153Jy sigma=0.006079 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8556 mas, bmaj=2.433 mas, bpa=-5.761 degrees ! Estimated noise=1214.84 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (2.6, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.33842 Jy ! Component: 100 - total flux cleaned = 0.519158 Jy ! Component: 150 - total flux cleaned = 0.637619 Jy ! Component: 200 - total flux cleaned = 0.718663 Jy ! Total flux subtracted in 200 components = 0.718663 Jy ! Clean residual min=-0.072520 max=0.116380 Jy/beam ! Clean residual mean=0.007980 rms=0.030727 Jy/beam ! Combined flux in latest and established models = 7.68096 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 79 components and 7.68096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.450321Jy sigma=0.003990 ! Fit after self-cal, rms=0.417489Jy sigma=0.003647 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.417489Jy sigma=0.003647 ! Fit after self-cal, rms=0.394391Jy sigma=0.003453 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8516 mas, bmaj=2.422 mas, bpa=-5.726 degrees ! Estimated noise=1208.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117824 Jy ! Component: 100 - total flux cleaned = 0.192596 Jy ! Component: 150 - total flux cleaned = 0.24457 Jy ! Component: 200 - total flux cleaned = 0.273362 Jy ! Total flux subtracted in 200 components = 0.273362 Jy ! Clean residual min=-0.062410 max=0.084235 Jy/beam ! Clean residual mean=0.002495 rms=0.022188 Jy/beam ! Combined flux in latest and established models = 7.95432 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 96 components and 7.95432 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353956Jy sigma=0.002982 ! Fit after self-cal, rms=0.345303Jy sigma=0.002883 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.0463817 Jy ! Component: 100 - total flux cleaned = 0.0633205 Jy ! Component: 150 - total flux cleaned = 0.071348 Jy ! Component: 200 - total flux cleaned = 0.078982 Jy ! Total flux subtracted in 200 components = 0.078982 Jy ! Clean residual min=-0.059706 max=0.077364 Jy/beam ! Clean residual mean=0.000921 rms=0.019592 Jy/beam ! Combined flux in latest and established models = 8.0333 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 106 components and 8.0333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336369Jy sigma=0.002763 ! Fit after self-cal, rms=0.334028Jy sigma=0.002741 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.334028Jy sigma=0.002741 ! Fit after self-cal, rms=0.325591Jy sigma=0.002649 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8518 mas, bmaj=2.423 mas, bpa=-5.71 degrees ! Estimated noise=1210.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.051663 Jy ! Component: 100 - total flux cleaned = 0.0771489 Jy ! Component: 150 - total flux cleaned = 0.0818319 Jy ! Component: 200 - total flux cleaned = 0.0861063 Jy ! Total flux subtracted in 200 components = 0.0861063 Jy ! Clean residual min=-0.051812 max=0.073221 Jy/beam ! Clean residual mean=0.001040 rms=0.018061 Jy/beam ! Combined flux in latest and established models = 8.11941 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 119 components and 8.11941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316909Jy sigma=0.002538 ! Fit after self-cal, rms=0.314736Jy sigma=0.002518 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.0193994 Jy ! Component: 100 - total flux cleaned = 0.025481 Jy ! Component: 150 - total flux cleaned = 0.0293659 Jy ! Component: 200 - total flux cleaned = 0.0329132 Jy ! Total flux subtracted in 200 components = 0.0329132 Jy ! Clean residual min=-0.050312 max=0.070580 Jy/beam ! Clean residual mean=0.000373 rms=0.017202 Jy/beam ! Combined flux in latest and established models = 8.15232 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 127 components and 8.15232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.311034Jy sigma=0.002467 ! Fit after self-cal, rms=0.310191Jy sigma=0.002461 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.310191Jy sigma=0.002461 ! Fit after self-cal, rms=0.306990Jy sigma=0.002434 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.183 mas, bmaj=4.856 mas, bpa=-0.5984 degrees ! Estimated noise=1541.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0604901 Jy ! Component: 100 - total flux cleaned = 0.0711504 Jy ! Component: 150 - total flux cleaned = 0.0765269 Jy ! Component: 200 - total flux cleaned = 0.0781576 Jy ! Total flux subtracted in 200 components = 0.0781576 Jy ! Clean residual min=-0.051340 max=0.084930 Jy/beam ! Clean residual mean=0.000186 rms=0.023021 Jy/beam ! Combined flux in latest and established models = 8.23048 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 133 components and 8.23048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308483Jy sigma=0.002424 ! Fit after self-cal, rms=0.306751Jy sigma=0.002400 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.0110196 Jy ! Component: 100 - total flux cleaned = 0.0138217 Jy ! Component: 150 - total flux cleaned = 0.0138179 Jy ! Component: 200 - total flux cleaned = 0.0158399 Jy ! Total flux subtracted in 200 components = 0.0158399 Jy ! Clean residual min=-0.050986 max=0.079916 Jy/beam ! Clean residual mean=-0.000459 rms=0.021841 Jy/beam ! Combined flux in latest and established models = 8.24632 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 135 components and 8.24632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310190Jy sigma=0.002425 ! Fit after self-cal, rms=0.309596Jy sigma=0.002417 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8523 mas, bmaj=2.424 mas, bpa=-5.697 degrees ! Estimated noise=1211.97 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8523 x 2.424 at -5.697 degrees (North through East) ! Clean map min=-0.042694 max=6.0089 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=0.309596Jy sigma=0.002417 ! Fit after self-cal, rms=0.247326Jy sigma=0.002085 ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8517 mas, bmaj=2.422 mas, bpa=-5.605 degrees ! Estimated noise=1210.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0130404 Jy ! Component: 100 - total flux cleaned = 0.0200001 Jy ! Component: 150 - total flux cleaned = 0.021843 Jy ! Component: 200 - total flux cleaned = 0.023423 Jy ! Total flux subtracted in 200 components = 0.023423 Jy ! Clean residual min=-0.040094 max=0.065317 Jy/beam ! Clean residual mean=0.001881 rms=0.013718 Jy/beam ! Combined flux in latest and established models = 8.26974 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 145 components and 8.26974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235703Jy sigma=0.001988 ! Fit after self-cal, rms=0.233920Jy sigma=0.001980 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Added new window around map position (6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0599477 Jy ! Component: 100 - total flux cleaned = 0.0816868 Jy ! Component: 150 - total flux cleaned = 0.0942595 Jy ! Component: 200 - total flux cleaned = 0.100854 Jy ! Total flux subtracted in 200 components = 0.100854 Jy ! Clean residual min=-0.032175 max=0.058439 Jy/beam ! Clean residual mean=0.000040 rms=0.010928 Jy/beam ! Combined flux in latest and established models = 8.37059 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 164 components and 8.37059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217802Jy sigma=0.001801 ! Fit after self-cal, rms=0.217078Jy sigma=0.001791 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Added new window around map position (0, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0549617 Jy ! Component: 100 - total flux cleaned = 0.0665557 Jy ! Component: 150 - total flux cleaned = 0.0682165 Jy ! Component: 200 - total flux cleaned = 0.0689503 Jy ! Total flux subtracted in 200 components = 0.0689503 Jy ! Clean residual min=-0.031102 max=0.026392 Jy/beam ! Clean residual mean=-0.001526 rms=0.008760 Jy/beam ! Combined flux in latest and established models = 8.43955 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 179 components and 8.43955 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200485Jy sigma=0.001638 ! Fit after self-cal, rms=0.198341Jy sigma=0.001623 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198341Jy sigma=0.001623 ! Fit after self-cal, rms=0.190086Jy sigma=0.001555 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6847 mas, bmaj=1.869 mas, bpa=-1.824 degrees ! Estimated noise=1673.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.48184 Jy ! Component: 100 - total flux cleaned = 5.65269 Jy ! Component: 150 - total flux cleaned = 6.19437 Jy ! Component: 200 - total flux cleaned = 6.54182 Jy ! Total flux subtracted in 200 components = 6.54182 Jy ! Clean residual min=-0.088645 max=0.198321 Jy/beam ! Clean residual mean=0.010111 rms=0.047579 Jy/beam ! Combined flux in latest and established models = 6.54182 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 32 model components to the UV plane model. ! The established model now contains 32 components and 6.54182 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8513 mas, bmaj=2.418 mas, bpa=-5.549 degrees ! Estimated noise=1210.89 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 = 0.443721 Jy ! Component: 100 - total flux cleaned = 0.74999 Jy ! Component: 150 - total flux cleaned = 0.977051 Jy ! Component: 200 - total flux cleaned = 1.14971 Jy ! Total flux subtracted in 200 components = 1.14971 Jy ! Clean residual min=-0.042320 max=0.116737 Jy/beam ! Clean residual mean=0.015280 rms=0.030792 Jy/beam ! Combined flux in latest and established models = 7.69153 Jy ! Adding 90 model components to the UV plane model. ! The established model now contains 105 components and 7.69153 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.171 mas, bmaj=4.849 mas, bpa=-0.6669 degrees ! Estimated noise=1547.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.245657 Jy ! Component: 100 - total flux cleaned = 0.396411 Jy ! Component: 150 - total flux cleaned = 0.496776 Jy ! Component: 200 - total flux cleaned = 0.566893 Jy ! Total flux subtracted in 200 components = 0.566893 Jy ! Clean residual min=-0.026197 max=0.049778 Jy/beam ! Clean residual mean=0.008294 rms=0.015265 Jy/beam ! Combined flux in latest and established models = 8.25842 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 = 0.0509153 Jy ! Component: 100 - total flux cleaned = 0.0886234 Jy ! Component: 150 - total flux cleaned = 0.116742 Jy ! Component: 200 - total flux cleaned = 0.137869 Jy ! Total flux subtracted in 200 components = 0.137869 Jy ! Clean residual min=-0.021253 max=0.029976 Jy/beam ! Clean residual mean=0.002152 rms=0.008676 Jy/beam ! Combined flux in latest and established models = 8.39629 Jy ! Adding 114 model components to the UV plane model. ! The established model now contains 198 components and 8.39629 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8513 mas, bmaj=2.418 mas, bpa=-5.549 degrees ! Estimated noise=1210.89 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0237714 Jy ! Component: 100 - total flux cleaned = 0.028728 Jy ! Component: 150 - total flux cleaned = 0.0308301 Jy ! Component: 200 - total flux cleaned = 0.0308624 Jy ! Total flux subtracted in 200 components = 0.0308624 Jy ! Clean residual min=-0.028782 max=0.029852 Jy/beam ! Clean residual mean=0.000498 rms=0.007906 Jy/beam ! Combined flux in latest and established models = 8.42715 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 218 components and 8.42715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199905Jy sigma=0.001627 ! Fit after self-cal, rms=0.194246Jy sigma=0.001569 wmodel J1924-2914_X_1999_12_20_pus_map.mod ! Writing 218 model components to file: J1924-2914_X_1999_12_20_pus_map.mod wobs J1924-2914_X_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_1999_12_20_pus_uvs.fits wwins J1924-2914_X_1999_12_20_pus_map.win ! wwins: Wrote 4 windows to J1924-2914_X_1999_12_20_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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00990729 Jy ! Component: 100 - total flux cleaned = 0.011728 Jy ! Component: 150 - total flux cleaned = 0.0121322 Jy ! Component: 200 - total flux cleaned = 0.0121406 Jy ! Component: 250 - total flux cleaned = 0.0121437 Jy ! Component: 300 - total flux cleaned = 0.0124763 Jy ! Component: 350 - total flux cleaned = 0.0128026 Jy ! Component: 400 - total flux cleaned = 0.0134293 Jy ! Component: 450 - total flux cleaned = 0.0149446 Jy ! Component: 500 - total flux cleaned = 0.0161187 Jy ! Component: 550 - total flux cleaned = 0.0175415 Jy ! Component: 600 - total flux cleaned = 0.0183713 Jy ! Component: 650 - total flux cleaned = 0.0194472 Jy ! Component: 700 - total flux cleaned = 0.0199685 Jy ! Component: 750 - total flux cleaned = 0.0207344 Jy ! Component: 800 - total flux cleaned = 0.021477 Jy ! Component: 850 - total flux cleaned = 0.0217185 Jy ! Component: 900 - total flux cleaned = 0.0217153 Jy ! Component: 950 - total flux cleaned = 0.0214843 Jy ! Component: 1000 - total flux cleaned = 0.0214854 Jy ! Total flux subtracted in 1024 components = 0.0212614 Jy ! Clean residual min=-0.011190 max=0.011506 Jy/beam ! Clean residual mean=0.000126 rms=0.004681 Jy/beam ! Combined flux in latest and established models = 8.44841 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 278 components and 8.44841 Jy ![Exited script file: muppet] wmap "J1924-2914_X_1999_12_20_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8513 x 2.418 at -5.549 degrees (North through East) ! Clean map min=-0.021914 max=6.0309 Jy/beam ! Writing clean map to FITS file: J1924-2914_X_1999_12_20_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 6.03092 invert ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00465733 device "J1924-2914_X_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.231672 0.231672 0.463345 0.92669 1.85338 3.70676 7.41352 14.827 29.6541 59.3082 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0139 print "peak=",int(1000*peak_flux)/1000 ! peak= 6.03 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8513 x 2.418 at -5.549 degrees (North through East) ! Clean map min=-0.021914 max=6.0309 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_X_1999_12_20_pus_uvs.log closed on Mon Dec 17 17:15:04 2007