! Started logfile: J1957-3845_X_1999_12_20_pus_uvs.log on Fri Dec 14 17:30:57 2007 obs J1957-3845_X_1999_12_20_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_1999_12_20_pus_uva.fits ! AN table 1: 20 integrations on 190 of 190 possible baselines. ! AN table 2: 25 integrations on 190 of 190 possible baselines. ! AN table 3: 22 integrations on 190 of 190 possible baselines. ! AN table 4: 96 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0322893 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 2418 lines of history. ! ! Reading 4000 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_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 312 telescope corrections were flagged in sub-array 1. ! A total of 500 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 312 telescope corrections were flagged in sub-array 1. ! A total of 500 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 312 telescope corrections were flagged in sub-array 1. ! A total of 500 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 312 telescope corrections were flagged in sub-array 1. ! A total of 500 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.754320Jy sigma=0.006507 ! Fit after self-cal, rms=0.462483Jy sigma=0.004087 ! 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=0.7114 mas, bmaj=2.99 mas, bpa=0.8328 degrees ! Estimated noise=1869.06 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 = 0.462466 Jy ! Component: 100 - total flux cleaned = 0.631222 Jy ! Total flux subtracted in 100 components = 0.631222 Jy ! Clean residual min=-0.029628 max=0.081710 Jy/beam ! Clean residual mean=0.004833 rms=0.016347 Jy/beam ! Combined flux in latest and established models = 0.631223 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.631223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241634Jy sigma=0.002081 ! Fit after self-cal, rms=0.241195Jy sigma=0.002078 ! 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=0.8757 mas, bmaj=3.709 mas, bpa=0.5484 degrees ! Estimated noise=1258.08 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 = 0.120587 Jy ! Component: 100 - total flux cleaned = 0.180812 Jy ! Component: 150 - total flux cleaned = 0.214154 Jy ! Component: 200 - total flux cleaned = 0.23292 Jy ! Total flux subtracted in 200 components = 0.23292 Jy ! Clean residual min=-0.010134 max=0.020935 Jy/beam ! Clean residual mean=0.000264 rms=0.004628 Jy/beam ! Combined flux in latest and established models = 0.864143 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 47 components and 0.864143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185711Jy sigma=0.001229 ! Fit after self-cal, rms=0.185459Jy sigma=0.001226 ! 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 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.95 KP 0.99 LA 0.97 ! MC 1.00* MK 0.96 NY 1.00* ON 1.00* ! OV 0.96 PT 0.99 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.02 LA 0.99 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.02 PT 1.00 SC 1.05 TS 1.00* ! WF 1.17 WZ 1.00* GN 1.07 NL 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.93 KP 0.93 LA 0.98 ! MC 1.00* MK 1.00 NY 1.00* ON 1.00* ! OV 1.00 PT 0.95 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.93 LA 1.00 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.03 PT 1.00 SC 0.97 TS 1.00* ! WF 1.16 WZ 1.00* GN 1.04 NL 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.96 KP 0.95 LA 1.00 ! MC 1.00* MK 1.00 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.96 LA 1.00 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.04 PT 1.00 SC 0.97 TS 1.00* ! WF 1.22 WZ 1.00* GN 1.04 NL 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 0.94 KP 0.97 LA 0.99 ! MC 1.00* MK 0.96 NY 1.00* ON 1.00* ! OV 0.97 PT 0.99 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 1.01 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.04 PT 0.97 SC 1.01 TS 1.00* ! WF 1.24 WZ 1.00* GN 1.04 NL 1.01 ! ! ! Fit before self-cal, rms=0.185459Jy sigma=0.001226 ! Fit after self-cal, rms=0.197654Jy sigma=0.001192 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9338 mas, bmaj=4.136 mas, bpa=-3.904 degrees ! Estimated noise=1342.76 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 = 0.00233322 Jy ! Component: 100 - total flux cleaned = 0.00253963 Jy ! Component: 150 - total flux cleaned = 0.00237684 Jy ! Component: 200 - total flux cleaned = 0.00223232 Jy ! Total flux subtracted in 200 components = 0.00223232 Jy ! Clean residual min=-0.009907 max=0.011750 Jy/beam ! Clean residual mean=0.000215 rms=0.002857 Jy/beam ! Combined flux in latest and established models = 0.866375 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 52 components and 0.866375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197254Jy sigma=0.001187 ! Fit after self-cal, rms=0.197459Jy sigma=0.001187 ! 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=0.197459Jy sigma=0.001187 ! Fit after self-cal, rms=0.197398Jy sigma=0.001186 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.931 mas, bmaj=4.121 mas, bpa=-3.887 degrees ! Estimated noise=1340.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010345 Jy ! Component: 100 - total flux cleaned = 0.00103111 Jy ! Component: 150 - total flux cleaned = 0.00102458 Jy ! Component: 200 - total flux cleaned = 0.000910842 Jy ! Total flux subtracted in 200 components = 0.000910842 Jy ! Clean residual min=-0.008804 max=0.010472 Jy/beam ! Clean residual mean=0.000224 rms=0.002637 Jy/beam ! Combined flux in latest and established models = 0.867286 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 54 components and 0.867286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197185Jy sigma=0.001184 ! Fit after self-cal, rms=0.197194Jy sigma=0.001184 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 = -0.000203752 Jy ! Component: 100 - total flux cleaned = -0.000400849 Jy ! Component: 150 - total flux cleaned = -0.000494743 Jy ! Component: 200 - total flux cleaned = -0.00058701 Jy ! Total flux subtracted in 200 components = -0.00058701 Jy ! Clean residual min=-0.007822 max=0.010008 Jy/beam ! Clean residual mean=0.000233 rms=0.002547 Jy/beam ! Combined flux in latest and established models = 0.866699 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 60 components and 0.866699 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197098Jy sigma=0.001183 ! Fit after self-cal, rms=0.197108Jy sigma=0.001183 ! 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=0.197108Jy sigma=0.001183 ! Fit after self-cal, rms=0.197044Jy sigma=0.001183 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9288 mas, bmaj=4.112 mas, bpa=-3.893 degrees ! Estimated noise=1339 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.015e-05 Jy ! Component: 100 - total flux cleaned = 7.86217e-05 Jy ! Component: 150 - total flux cleaned = -0.00010633 Jy ! Component: 200 - total flux cleaned = -0.000191797 Jy ! Total flux subtracted in 200 components = -0.000191797 Jy ! Clean residual min=-0.007740 max=0.009355 Jy/beam ! Clean residual mean=0.000278 rms=0.002435 Jy/beam ! Combined flux in latest and established models = 0.866507 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 60 components and 0.866507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196943Jy sigma=0.001181 ! Fit after self-cal, rms=0.196965Jy sigma=0.001181 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 = -8.56724e-05 Jy ! Component: 100 - total flux cleaned = -0.000164221 Jy ! Component: 150 - total flux cleaned = -0.000318581 Jy ! Component: 200 - total flux cleaned = -0.000392456 Jy ! Total flux subtracted in 200 components = -0.000392456 Jy ! Clean residual min=-0.007179 max=0.009185 Jy/beam ! Clean residual mean=0.000285 rms=0.002381 Jy/beam ! Combined flux in latest and established models = 0.866115 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 63 components and 0.866115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196900Jy sigma=0.001181 ! Fit after self-cal, rms=0.196914Jy sigma=0.001181 ! 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=0.196914Jy sigma=0.001181 ! Fit after self-cal, rms=0.197284Jy sigma=0.001180 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.177 mas, bmaj=7.448 mas, bpa=-2.492 degrees ! Estimated noise=1600.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000204688 Jy ! Component: 100 - total flux cleaned = -0.000351556 Jy ! Component: 150 - total flux cleaned = -0.000459567 Jy ! Component: 200 - total flux cleaned = -0.000540686 Jy ! Total flux subtracted in 200 components = -0.000540686 Jy ! Clean residual min=-0.006530 max=0.005208 Jy/beam ! Clean residual mean=0.000515 rms=0.002045 Jy/beam ! Combined flux in latest and established models = 0.865574 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 67 components and 0.865574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197276Jy sigma=0.001181 ! Fit after self-cal, rms=0.197214Jy sigma=0.001179 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 = -0.000238978 Jy ! Component: 100 - total flux cleaned = -0.000236919 Jy ! Component: 150 - total flux cleaned = -0.0003445 Jy ! Component: 200 - total flux cleaned = -0.000423985 Jy ! Total flux subtracted in 200 components = -0.000423985 Jy ! Clean residual min=-0.006244 max=0.005313 Jy/beam ! Clean residual mean=0.000530 rms=0.002028 Jy/beam ! Combined flux in latest and established models = 0.86515 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 67 components and 0.86515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197229Jy sigma=0.001181 ! Fit after self-cal, rms=0.197166Jy sigma=0.001179 ! 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=0.9276 mas, bmaj=4.107 mas, bpa=-3.9 degrees ! Estimated noise=1338.17 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9276 x 4.107 at -3.9 degrees (North through East) ! Clean map min=-0.0060904 max=0.63493 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=0.197166Jy sigma=0.001179 ! Fit after self-cal, rms=0.178011Jy sigma=0.001049 ! Inverting map and beam ! Estimated beam: bmin=0.927 mas, bmaj=4.098 mas, bpa=-3.824 degrees ! Estimated noise=1337.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000719563 Jy ! Component: 100 - total flux cleaned = -0.000797802 Jy ! Component: 150 - total flux cleaned = -0.000871584 Jy ! Component: 200 - total flux cleaned = -0.000941009 Jy ! Total flux subtracted in 200 components = -0.000941009 Jy ! Clean residual min=-0.006002 max=0.008389 Jy/beam ! Clean residual mean=0.000239 rms=0.002159 Jy/beam ! Combined flux in latest and established models = 0.864209 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 71 components and 0.864209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177955Jy sigma=0.001048 ! Fit after self-cal, rms=0.177956Jy sigma=0.001048 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000157763 Jy ! Component: 100 - total flux cleaned = -0.000157558 Jy ! Component: 150 - total flux cleaned = -0.000218036 Jy ! Component: 200 - total flux cleaned = -0.000216091 Jy ! Total flux subtracted in 200 components = -0.000216091 Jy ! Clean residual min=-0.005893 max=0.008310 Jy/beam ! Clean residual mean=0.000243 rms=0.002122 Jy/beam ! Combined flux in latest and established models = 0.863993 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 71 components and 0.863993 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177913Jy sigma=0.001047 ! Fit after self-cal, rms=0.177918Jy sigma=0.001047 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177918Jy sigma=0.001047 ! Fit after self-cal, rms=0.178167Jy sigma=0.001047 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=0.7886 mas, bmaj=3.905 mas, bpa=-5.747 degrees ! Estimated noise=1909.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.481195 Jy ! Component: 100 - total flux cleaned = 0.656676 Jy ! Component: 150 - total flux cleaned = 0.747249 Jy ! Component: 200 - total flux cleaned = 0.794652 Jy ! Total flux subtracted in 200 components = 0.794652 Jy ! Clean residual min=-0.009754 max=0.027035 Jy/beam ! Clean residual mean=0.001523 rms=0.005223 Jy/beam ! Combined flux in latest and established models = 0.794652 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.794652 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9267 mas, bmaj=4.096 mas, bpa=-3.816 degrees ! Estimated noise=1336.24 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 = 0.0316952 Jy ! Component: 100 - total flux cleaned = 0.0476134 Jy ! Component: 150 - total flux cleaned = 0.0565549 Jy ! Component: 200 - total flux cleaned = 0.0614411 Jy ! Total flux subtracted in 200 components = 0.0614411 Jy ! Clean residual min=-0.005613 max=0.011535 Jy/beam ! Clean residual mean=0.000356 rms=0.002324 Jy/beam ! Combined flux in latest and established models = 0.856093 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 40 components and 0.856093 Jy ! Inverting map ! Added new window around map position (-1.2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00902101 Jy ! Component: 100 - total flux cleaned = 0.00983538 Jy ! Component: 150 - total flux cleaned = 0.00984434 Jy ! Component: 200 - total flux cleaned = 0.00975791 Jy ! Total flux subtracted in 200 components = 0.00975791 Jy ! Clean residual min=-0.005001 max=0.005573 Jy/beam ! Clean residual mean=0.000185 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 0.865851 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 0.865851 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=2.179 mas, bmaj=7.442 mas, bpa=-2.414 degrees ! Estimated noise=1599.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000713884 Jy ! Component: 100 - total flux cleaned = -0.000760324 Jy ! Component: 150 - total flux cleaned = -0.000895234 Jy ! Component: 200 - total flux cleaned = -0.000980098 Jy ! Total flux subtracted in 200 components = -0.000980098 Jy ! Clean residual min=-0.004644 max=0.004590 Jy/beam ! Clean residual mean=0.000365 rms=0.001540 Jy/beam ! Combined flux in latest and established models = 0.864871 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 = -0.000119437 Jy ! Component: 100 - total flux cleaned = -0.000195767 Jy ! Component: 150 - total flux cleaned = -0.000303524 Jy ! Component: 200 - total flux cleaned = -0.000373936 Jy ! Total flux subtracted in 200 components = -0.000373936 Jy ! Clean residual min=-0.004652 max=0.004514 Jy/beam ! Clean residual mean=0.000371 rms=0.001524 Jy/beam ! Combined flux in latest and established models = 0.864497 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 75 components and 0.864497 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9267 mas, bmaj=4.096 mas, bpa=-3.816 degrees ! Estimated noise=1336.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000433925 Jy ! Component: 100 - total flux cleaned = 0.000291077 Jy ! Component: 150 - total flux cleaned = 0.000294965 Jy ! Component: 200 - total flux cleaned = 0.0002953 Jy ! Total flux subtracted in 200 components = 0.0002953 Jy ! Clean residual min=-0.004760 max=0.004726 Jy/beam ! Clean residual mean=0.000196 rms=0.001391 Jy/beam ! Combined flux in latest and established models = 0.864792 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 89 components and 0.864792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177796Jy sigma=0.001040 ! Fit after self-cal, rms=0.177642Jy sigma=0.001039 wmodel J1957-3845_X_1999_12_20_pus_map.mod ! Writing 89 model components to file: J1957-3845_X_1999_12_20_pus_map.mod wobs J1957-3845_X_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_1999_12_20_pus_uvs.fits wwins J1957-3845_X_1999_12_20_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_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 ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000189342 Jy ! Component: 100 - total flux cleaned = 3.68113e-05 Jy ! Component: 150 - total flux cleaned = 0.000316072 Jy ! Component: 200 - total flux cleaned = 0.00063877 Jy ! Component: 250 - total flux cleaned = 0.00100732 Jy ! Component: 300 - total flux cleaned = 0.00141588 Jy ! Component: 350 - total flux cleaned = 0.00191875 Jy ! Component: 400 - total flux cleaned = 0.00250783 Jy ! Component: 450 - total flux cleaned = 0.00302424 Jy ! Component: 500 - total flux cleaned = 0.00352396 Jy ! Component: 550 - total flux cleaned = 0.0039599 Jy ! Component: 600 - total flux cleaned = 0.00438357 Jy ! Component: 650 - total flux cleaned = 0.00479535 Jy ! Component: 700 - total flux cleaned = 0.00506251 Jy ! Component: 750 - total flux cleaned = 0.00527901 Jy ! Component: 800 - total flux cleaned = 0.0054903 Jy ! Component: 850 - total flux cleaned = 0.00557154 Jy ! Component: 900 - total flux cleaned = 0.0055311 Jy ! Component: 950 - total flux cleaned = 0.00564926 Jy ! Component: 1000 - total flux cleaned = 0.00568761 Jy ! Total flux subtracted in 1024 components = 0.0057254 Jy ! Clean residual min=-0.002289 max=0.002417 Jy/beam ! Clean residual mean=0.000101 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.870518 Jy keep ! Adding 51 model components to the UV plane model. ! The established model now contains 140 components and 0.870518 Jy ![Exited script file: muppet] wmap "J1957-3845_X_1999_12_20_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9267 x 4.096 at -3.816 degrees (North through East) ! Clean map min=-0.0045708 max=0.64273 Jy/beam ! Writing clean map to FITS file: J1957-3845_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 0.642735 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000858591 device "J1957-3845_X_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.400752 0.400752 0.801504 1.60301 3.20602 6.41203 12.8241 25.6481 51.2963 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.642 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9267 x 4.096 at -3.816 degrees (North through East) ! Clean map min=-0.0045708 max=0.64273 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_1999_12_20_pus_uvs.log closed on Fri Dec 14 17:31:01 2007