! Started logfile: J1957-3845_X_2000_12_04_pus_uvs.log on Fri Oct 12 15:33:43 2007 obs J1957-3845_X_2000_12_04_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2000_12_04_pus_uva.fits ! AN table 1: 20 integrations on 190 of 190 possible baselines. ! AN table 2: 78 integrations on 190 of 190 possible baselines. ! AN table 3: 41 integrations on 190 of 190 possible baselines. ! AN table 4: 48 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.033718 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 2126 lines of history. ! ! Reading 4792 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 J1957-3845_X_2000_12_04_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 400 telescope corrections were flagged in sub-array 1. ! A total of 1533 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 400 telescope corrections were flagged in sub-array 1. ! A total of 1533 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 400 telescope corrections were flagged in sub-array 1. ! A total of 1533 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 400 telescope corrections were flagged in sub-array 1. ! A total of 1533 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.092437Jy sigma=0.011211 ! Fit after self-cal, rms=0.293050Jy sigma=0.002732 ! 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 ! Estimated beam: bmin=0.7111 mas, bmaj=2.313 mas, bpa=7.603 degrees ! Estimated noise=1861.88 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 = 0.571031 Jy ! Component: 100 - total flux cleaned = 0.730133 Jy ! Total flux subtracted in 100 components = 0.730133 Jy ! Clean residual min=-0.033226 max=0.077780 Jy/beam ! Clean residual mean=0.004897 rms=0.015409 Jy/beam ! Combined flux in latest and established models = 0.730133 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.730133 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253178Jy sigma=0.002355 ! Fit after self-cal, rms=0.252653Jy sigma=0.002352 ! Inverting map 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 ! Estimated beam: bmin=0.9872 mas, bmaj=3.938 mas, bpa=1.324 degrees ! Estimated noise=1093.27 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 = 0.139595 Jy ! Component: 100 - total flux cleaned = 0.195258 Jy ! Component: 150 - total flux cleaned = 0.220019 Jy ! Component: 200 - total flux cleaned = 0.231436 Jy ! Total flux subtracted in 200 components = 0.231436 Jy ! Clean residual min=-0.034071 max=0.032626 Jy/beam ! Clean residual mean=-0.001336 rms=0.011194 Jy/beam ! Combined flux in latest and established models = 0.961569 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 34 components and 0.961569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175021Jy sigma=0.001536 ! Fit after self-cal, rms=0.174796Jy sigma=0.001533 ! Inverting map 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* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.91 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.91 ! LA 0.98 MA 1.00* MC 1.00* MK 1.00* ! NL 1.10 NY 1.00* OV 1.03 PT 0.95 ! SC 1.04 TS 1.00* WF 1.20 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.02 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00 KP 1.13 ! LA 1.10 MA 1.00* MC 1.00* MK 1.01 ! NL 1.00* NY 1.00* OV 1.06 PT 1.05 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.90 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.90 ! LA 0.97 MA 1.00* MC 1.00* MK 1.00* ! NL 1.06 NY 1.00* OV 1.01 PT 0.96 ! SC 1.04 TS 1.00* WF 1.16 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.98 KP 1.10 ! LA 1.11 MA 1.00* MC 1.00* MK 1.01 ! NL 1.00* NY 1.00* OV 1.06 PT 1.05 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.87 ! LA 0.97 MA 1.00* MC 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 0.97 PT 0.93 ! SC 1.02 TS 1.00* WF 1.13 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.06 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.91 KP 1.09 ! LA 1.09 MA 1.00* MC 1.00* MK 0.98 ! NL 1.00* NY 1.00* OV 1.01 PT 0.99 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.89 ! LA 0.96 MA 1.00* MC 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 0.99 PT 0.91 ! SC 1.01 TS 1.00* WF 1.18 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.94 KP 1.10 ! LA 1.09 MA 1.00* MC 1.00* MK 0.92 ! NL 1.00* NY 1.00* OV 1.04 PT 0.97 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.174796Jy sigma=0.001533 ! Fit after self-cal, rms=0.146584Jy sigma=0.001234 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.036 mas, bmaj=6.308 mas, bpa=-1.782 degrees ! Estimated noise=1114.99 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 = -0.00183304 Jy ! Component: 100 - total flux cleaned = -0.00170489 Jy ! Component: 150 - total flux cleaned = -0.00158278 Jy ! Component: 200 - total flux cleaned = -0.00135988 Jy ! Total flux subtracted in 200 components = -0.00135988 Jy ! Clean residual min=-0.009564 max=0.010767 Jy/beam ! Clean residual mean=-0.000069 rms=0.002734 Jy/beam ! Combined flux in latest and established models = 0.960209 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 40 components and 0.960209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146270Jy sigma=0.001232 ! Fit after self-cal, rms=0.146412Jy sigma=0.001232 ! Inverting map 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=0.146412Jy sigma=0.001232 ! Fit after self-cal, rms=0.146776Jy sigma=0.001232 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.038 mas, bmaj=6.323 mas, bpa=-1.832 degrees ! Estimated noise=1115.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00152886 Jy ! Component: 100 - total flux cleaned = -0.00141426 Jy ! Component: 150 - total flux cleaned = -0.00130717 Jy ! Component: 200 - total flux cleaned = -0.00111389 Jy ! Total flux subtracted in 200 components = -0.00111389 Jy ! Clean residual min=-0.008867 max=0.010159 Jy/beam ! Clean residual mean=-0.000070 rms=0.002630 Jy/beam ! Combined flux in latest and established models = 0.959095 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 40 components and 0.959095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146495Jy sigma=0.001230 ! Fit after self-cal, rms=0.146496Jy sigma=0.001230 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000144307 Jy ! Component: 100 - total flux cleaned = -0.000240811 Jy ! Component: 150 - total flux cleaned = -0.000236029 Jy ! Component: 200 - total flux cleaned = -0.000240388 Jy ! Total flux subtracted in 200 components = -0.000240388 Jy ! Clean residual min=-0.008459 max=0.009968 Jy/beam ! Clean residual mean=-0.000061 rms=0.002615 Jy/beam ! Combined flux in latest and established models = 0.958855 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 42 components and 0.958855 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146343Jy sigma=0.001229 ! Fit after self-cal, rms=0.146350Jy sigma=0.001229 ! Inverting map 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=0.146350Jy sigma=0.001229 ! Fit after self-cal, rms=0.146681Jy sigma=0.001229 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.039 mas, bmaj=6.338 mas, bpa=-1.881 degrees ! Estimated noise=1116.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00129329 Jy ! Component: 100 - total flux cleaned = -0.00129435 Jy ! Component: 150 - total flux cleaned = -0.00120338 Jy ! Component: 200 - total flux cleaned = -0.00112109 Jy ! Total flux subtracted in 200 components = -0.00112109 Jy ! Clean residual min=-0.008040 max=0.009681 Jy/beam ! Clean residual mean=-0.000062 rms=0.002534 Jy/beam ! Combined flux in latest and established models = 0.957734 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 43 components and 0.957734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146456Jy sigma=0.001227 ! Fit after self-cal, rms=0.146464Jy sigma=0.001227 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000113147 Jy ! Component: 100 - total flux cleaned = -0.000196715 Jy ! Component: 150 - total flux cleaned = -0.000278452 Jy ! Component: 200 - total flux cleaned = -0.000353421 Jy ! Total flux subtracted in 200 components = -0.000353421 Jy ! Clean residual min=-0.007583 max=0.009526 Jy/beam ! Clean residual mean=-0.000049 rms=0.002511 Jy/beam ! Combined flux in latest and established models = 0.95738 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 44 components and 0.95738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146340Jy sigma=0.001227 ! Fit after self-cal, rms=0.146348Jy sigma=0.001227 ! Inverting map 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=0.146348Jy sigma=0.001227 ! Fit after self-cal, rms=0.146680Jy sigma=0.001226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.709 mas, bmaj=8.494 mas, bpa=-5.929 degrees ! Estimated noise=1259.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000397789 Jy ! Component: 100 - total flux cleaned = 0.000264602 Jy ! Component: 150 - total flux cleaned = 4.28847e-05 Jy ! Component: 200 - total flux cleaned = -4.90432e-05 Jy ! Total flux subtracted in 200 components = -4.90432e-05 Jy ! Clean residual min=-0.005629 max=0.006213 Jy/beam ! Clean residual mean=-0.000170 rms=0.002248 Jy/beam ! Combined flux in latest and established models = 0.957331 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 44 components and 0.957331 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146561Jy sigma=0.001227 ! Fit after self-cal, rms=0.146403Jy sigma=0.001225 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000133514 Jy ! Component: 100 - total flux cleaned = -0.000257209 Jy ! Component: 150 - total flux cleaned = -0.000463792 Jy ! Component: 200 - total flux cleaned = -0.000550284 Jy ! Total flux subtracted in 200 components = -0.000550284 Jy ! Clean residual min=-0.005079 max=0.006052 Jy/beam ! Clean residual mean=-0.000136 rms=0.002206 Jy/beam ! Combined flux in latest and established models = 0.956781 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 45 components and 0.956781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146340Jy sigma=0.001226 ! Fit after self-cal, rms=0.146202Jy sigma=0.001225 ! Inverting map 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 ! Estimated beam: bmin=1.041 mas, bmaj=6.351 mas, bpa=-1.922 degrees ! Estimated noise=1116.81 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.041 x 6.351 at -1.922 degrees (North through East) ! Clean map min=-0.0067767 max=0.82582 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=0.146202Jy sigma=0.001225 ! Fit after self-cal, rms=0.135893Jy sigma=0.001084 ! Inverting map and beam ! Estimated beam: bmin=1.04 mas, bmaj=6.358 mas, bpa=-1.951 degrees ! Estimated noise=1116.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00116042 Jy ! Component: 100 - total flux cleaned = -0.00139378 Jy ! Component: 150 - total flux cleaned = -0.00146041 Jy ! Component: 200 - total flux cleaned = -0.00146628 Jy ! Total flux subtracted in 200 components = -0.00146628 Jy ! Clean residual min=-0.006088 max=0.008743 Jy/beam ! Clean residual mean=-0.000103 rms=0.002313 Jy/beam ! Combined flux in latest and established models = 0.955315 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 46 components and 0.955315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135751Jy sigma=0.001083 ! Fit after self-cal, rms=0.135766Jy sigma=0.001083 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.89628e-05 Jy ! Component: 100 - total flux cleaned = 3.84514e-05 Jy ! Component: 150 - total flux cleaned = -2.21628e-05 Jy ! Component: 200 - total flux cleaned = -8.10235e-05 Jy ! Total flux subtracted in 200 components = -8.10235e-05 Jy ! Clean residual min=-0.006040 max=0.008593 Jy/beam ! Clean residual mean=-0.000101 rms=0.002297 Jy/beam ! Combined flux in latest and established models = 0.955234 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 0.955234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135687Jy sigma=0.001083 ! Fit after self-cal, rms=0.135700Jy sigma=0.001083 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135700Jy sigma=0.001083 ! Fit after self-cal, rms=0.136077Jy sigma=0.001083 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 ! Estimated beam: bmin=0.8111 mas, bmaj=4.822 mas, bpa=-0.2366 degrees ! Estimated noise=1883.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.601359 Jy ! Component: 100 - total flux cleaned = 0.770937 Jy ! Component: 150 - total flux cleaned = 0.853542 Jy ! Component: 200 - total flux cleaned = 0.89713 Jy ! Total flux subtracted in 200 components = 0.89713 Jy ! Clean residual min=-0.019181 max=0.037741 Jy/beam ! Clean residual mean=0.001359 rms=0.006555 Jy/beam ! Combined flux in latest and established models = 0.89713 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.89713 Jy ! Inverting map and beam ! Estimated beam: bmin=1.042 mas, bmaj=6.368 mas, bpa=-1.978 degrees ! Estimated noise=1117.18 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) ! Added new window around map position (-1, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0356063 Jy ! Component: 100 - total flux cleaned = 0.0497394 Jy ! Component: 150 - total flux cleaned = 0.0575825 Jy ! Component: 200 - total flux cleaned = 0.0606304 Jy ! Total flux subtracted in 200 components = 0.0606304 Jy ! Clean residual min=-0.004883 max=0.005207 Jy/beam ! Clean residual mean=-0.000236 rms=0.001751 Jy/beam ! Combined flux in latest and established models = 0.957761 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 49 components and 0.95776 Jy ! Inverting map 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 ! Estimated beam: bmin=2.71 mas, bmaj=8.513 mas, bpa=-6.019 degrees ! Estimated noise=1258.68 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000875231 Jy ! Component: 100 - total flux cleaned = 0.000974226 Jy ! Component: 150 - total flux cleaned = 0.00106983 Jy ! Component: 200 - total flux cleaned = 0.00123057 Jy ! Total flux subtracted in 200 components = 0.00123057 Jy ! Clean residual min=-0.003581 max=0.003827 Jy/beam ! Clean residual mean=-0.000476 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 0.958991 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 = -1.40231e-06 Jy ! Component: 100 - total flux cleaned = -1.85631e-06 Jy ! Component: 150 - total flux cleaned = -4.8904e-06 Jy ! Component: 200 - total flux cleaned = -7.35489e-05 Jy ! Total flux subtracted in 200 components = -7.35489e-05 Jy ! Clean residual min=-0.003506 max=0.003835 Jy/beam ! Clean residual mean=-0.000474 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 0.958917 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.958917 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.042 mas, bmaj=6.368 mas, bpa=-1.978 degrees ! Estimated noise=1117.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000566848 Jy ! Component: 100 - total flux cleaned = -0.00028861 Jy ! Component: 150 - total flux cleaned = -0.000289122 Jy ! Component: 200 - total flux cleaned = -0.000400269 Jy ! Total flux subtracted in 200 components = -0.000400269 Jy ! Clean residual min=-0.004196 max=0.004811 Jy/beam ! Clean residual mean=-0.000280 rms=0.001401 Jy/beam ! Combined flux in latest and established models = 0.958517 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 0.958517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134052Jy sigma=0.001072 ! Fit after self-cal, rms=0.133902Jy sigma=0.001071 wmodel J1957-3845_X_2000_12_04_pus_map.mod ! Writing 78 model components to file: J1957-3845_X_2000_12_04_pus_map.mod wobs J1957-3845_X_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2000_12_04_pus_uvs.fits wwins J1957-3845_X_2000_12_04_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_X_2000_12_04_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000495048 Jy ! Component: 100 - total flux cleaned = -0.000186162 Jy ! Component: 150 - total flux cleaned = -0.000954085 Jy ! Component: 200 - total flux cleaned = -0.00186837 Jy ! Component: 250 - total flux cleaned = -0.0026071 Jy ! Component: 300 - total flux cleaned = -0.00313256 Jy ! Component: 350 - total flux cleaned = -0.00380075 Jy ! Component: 400 - total flux cleaned = -0.0045459 Jy ! Component: 450 - total flux cleaned = -0.00516014 Jy ! Component: 500 - total flux cleaned = -0.00575393 Jy ! Component: 550 - total flux cleaned = -0.00623372 Jy ! Component: 600 - total flux cleaned = -0.00669943 Jy ! Component: 650 - total flux cleaned = -0.00701649 Jy ! Component: 700 - total flux cleaned = -0.00728136 Jy ! Component: 750 - total flux cleaned = -0.00758264 Jy ! Component: 800 - total flux cleaned = -0.00779187 Jy ! Component: 850 - total flux cleaned = -0.00795586 Jy ! Component: 900 - total flux cleaned = -0.00815627 Jy ! Component: 950 - total flux cleaned = -0.00831323 Jy ! Component: 1000 - total flux cleaned = -0.00846716 Jy ! Total flux subtracted in 1024 components = -0.00858083 Jy ! Clean residual min=-0.001983 max=0.002247 Jy/beam ! Clean residual mean=-0.000092 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 0.949936 Jy keep ! Adding 40 model components to the UV plane model. ! The established model now contains 117 components and 0.949937 Jy ![Exited script file: muppet] wmap "J1957-3845_X_2000_12_04_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.042 x 6.368 at -1.978 degrees (North through East) ! Clean map min=-0.0046615 max=0.81867 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2000_12_04_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.818671 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000811987 device "J1957-3845_X_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.297551 0.297551 0.595101 1.1902 2.38041 4.76081 9.52162 19.0432 38.0865 76.173 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.818 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.042 x 6.368 at -1.978 degrees (North through East) ! Clean map min=-0.0046615 max=0.81867 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_2000_12_04_pus_uvs.log closed on Fri Oct 12 15:33:48 2007