! Started logfile: J1957-3845_S_2001_10_29_pus_uvs.log on Wed Feb 27 15:31:40 2008 obs J1957-3845_S_2001_10_29_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2001_10_29_pus_uva.fits ! AN table 1: 19 integrations on 153 of 153 possible baselines. ! AN table 2: 10 integrations on 153 of 153 possible baselines. ! AN table 3: 23 integrations on 153 of 153 possible baselines. ! AN table 4: 81 integrations on 153 of 153 possible baselines. ! AN table 5: 7 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0325864 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2604 lines of history. ! ! Reading 2792 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 = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J1957-3845_S_2001_10_29_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 = 512x512 pixels with 0.500x0.500 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 342 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 273 telescope corrections were flagged in sub-array 3. ! A total of 1336 telescope corrections were flagged in sub-array 4. ! A total of 126 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 342 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 273 telescope corrections were flagged in sub-array 3. ! A total of 1336 telescope corrections were flagged in sub-array 4. ! A total of 126 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 342 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 273 telescope corrections were flagged in sub-array 3. ! A total of 1336 telescope corrections were flagged in sub-array 4. ! A total of 126 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 342 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 273 telescope corrections were flagged in sub-array 3. ! A total of 1336 telescope corrections were flagged in sub-array 4. ! A total of 126 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.884769Jy sigma=0.005576 ! Fit after self-cal, rms=0.403890Jy sigma=0.002570 ! 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=2.625 mas, bmaj=17.78 mas, bpa=2.393 degrees ! Estimated noise=3607.14 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 = 0.517495 Jy ! Component: 100 - total flux cleaned = 0.640182 Jy ! Total flux subtracted in 100 components = 0.640182 Jy ! Clean residual min=-0.035207 max=0.048287 Jy/beam ! Clean residual mean=0.000471 rms=0.011237 Jy/beam ! Combined flux in latest and established models = 0.640182 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.640182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291448Jy sigma=0.001787 ! Fit after self-cal, rms=0.291392Jy sigma=0.001787 ! 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=3.287 mas, bmaj=21.59 mas, bpa=1.291 degrees ! Estimated noise=2222.59 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 = 0.0761221 Jy ! Component: 100 - total flux cleaned = 0.111098 Jy ! Component: 150 - total flux cleaned = 0.130576 Jy ! Component: 200 - total flux cleaned = 0.141786 Jy ! Total flux subtracted in 200 components = 0.141786 Jy ! Clean residual min=-0.014942 max=0.017069 Jy/beam ! Clean residual mean=-0.000083 rms=0.005025 Jy/beam ! Combined flux in latest and established models = 0.781969 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 60 components and 0.781969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273795Jy sigma=0.001650 ! Fit after self-cal, rms=0.273724Jy sigma=0.001649 ! 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* 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.02 LA 0.99 ! MA 1.00* MC 1.00* MK 1.00* NL 1.01 ! OV 1.07 PT 0.97 SC 0.98 TS 1.00* ! WF 1.06 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 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 1.03 LA 1.04 ! MA 1.00* MC 1.00* MK 0.99 NL 1.00* ! OV 1.00 PT 0.98 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.80 LA 1.01 ! MA 1.00* MC 1.00* MK 1.00* NL 1.04 ! OV 1.00 PT 0.99 SC 0.95 TS 1.00* ! WF 0.95 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 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 0.95 KP 0.98 LA 0.97 ! MA 1.00* MC 1.00* MK 0.97 NL 1.00* ! OV 1.00 PT 1.01 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.01 LA 0.97 ! MA 1.00* MC 1.00* MK 1.00* NL 1.07 ! OV 1.01 PT 0.96 SC 0.97 TS 1.00* ! WF 1.02 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 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 1.02 LA 0.97 ! MA 1.00* MC 1.00* MK 0.96 NL 1.00* ! OV 1.03 PT 1.07 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 1.01 ! MA 1.00* MC 1.00* MK 1.00* NL 1.05 ! OV 1.00 PT 1.01 SC 0.99 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 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 0.96 KP 1.01 LA 1.05 ! MA 1.00* MC 1.00* MK 1.00 NL 1.00* ! OV 0.97 PT 0.98 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 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* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.273724Jy sigma=0.001649 ! Fit after self-cal, rms=0.262838Jy sigma=0.001631 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.53 mas, bmaj=22.11 mas, bpa=0.1172 degrees ! Estimated noise=2301.11 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 = 1.76416e-05 Jy ! Component: 100 - total flux cleaned = -0.000140204 Jy ! Component: 150 - total flux cleaned = -0.000140068 Jy ! Component: 200 - total flux cleaned = 0.000197693 Jy ! Total flux subtracted in 200 components = 0.000197693 Jy ! Clean residual min=-0.009042 max=0.010950 Jy/beam ! Clean residual mean=0.000495 rms=0.003150 Jy/beam ! Combined flux in latest and established models = 0.782167 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 68 components and 0.782167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262684Jy sigma=0.001630 ! Fit after self-cal, rms=0.263563Jy sigma=0.001629 ! 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=0.263563Jy sigma=0.001629 ! Fit after self-cal, rms=0.264179Jy sigma=0.001629 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.523 mas, bmaj=22.14 mas, bpa=0.1473 degrees ! Estimated noise=2298.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000479895 Jy ! Component: 100 - total flux cleaned = -0.000964596 Jy ! Component: 150 - total flux cleaned = -0.000825997 Jy ! Component: 200 - total flux cleaned = -0.000645596 Jy ! Total flux subtracted in 200 components = -0.000645596 Jy ! Clean residual min=-0.008998 max=0.011137 Jy/beam ! Clean residual mean=0.000365 rms=0.003077 Jy/beam ! Combined flux in latest and established models = 0.781521 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 69 components and 0.781521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264096Jy sigma=0.001628 ! Fit after self-cal, rms=0.264210Jy sigma=0.001628 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 = 0.000706588 Jy ! Component: 100 - total flux cleaned = 0.00086556 Jy ! Component: 150 - total flux cleaned = 0.000912281 Jy ! Component: 200 - total flux cleaned = 0.00099988 Jy ! Total flux subtracted in 200 components = 0.00099988 Jy ! Clean residual min=-0.008924 max=0.011256 Jy/beam ! Clean residual mean=0.000349 rms=0.003051 Jy/beam ! Combined flux in latest and established models = 0.782521 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 79 components and 0.782521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264184Jy sigma=0.001628 ! Fit after self-cal, rms=0.264192Jy sigma=0.001628 ! 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=0.264192Jy sigma=0.001628 ! Fit after self-cal, rms=0.264677Jy sigma=0.001628 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.519 mas, bmaj=22.17 mas, bpa=0.1648 degrees ! Estimated noise=2295.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100845 Jy ! Component: 100 - total flux cleaned = -0.00137404 Jy ! Component: 150 - total flux cleaned = -0.0014216 Jy ! Component: 200 - total flux cleaned = -0.00137953 Jy ! Total flux subtracted in 200 components = -0.00137953 Jy ! Clean residual min=-0.008936 max=0.011378 Jy/beam ! Clean residual mean=0.000271 rms=0.003017 Jy/beam ! Combined flux in latest and established models = 0.781141 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 86 components and 0.781141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264641Jy sigma=0.001628 ! Fit after self-cal, rms=0.264669Jy sigma=0.001628 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 = 0.000300538 Jy ! Component: 100 - total flux cleaned = 0.00029819 Jy ! Component: 150 - total flux cleaned = 0.00029822 Jy ! Component: 200 - total flux cleaned = 0.000334062 Jy ! Total flux subtracted in 200 components = 0.000334062 Jy ! Clean residual min=-0.008902 max=0.011416 Jy/beam ! Clean residual mean=0.000267 rms=0.003003 Jy/beam ! Combined flux in latest and established models = 0.781475 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 88 components and 0.781475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264656Jy sigma=0.001628 ! Fit after self-cal, rms=0.264660Jy sigma=0.001628 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.264660Jy sigma=0.001628 ! Fit after self-cal, rms=0.264986Jy sigma=0.001628 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.031 mas, bmaj=26.96 mas, bpa=-5.272 degrees ! Estimated noise=2810.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000107408 Jy ! Component: 100 - total flux cleaned = 6.35644e-05 Jy ! Component: 150 - total flux cleaned = 0.000102854 Jy ! Component: 200 - total flux cleaned = 0.000104621 Jy ! Total flux subtracted in 200 components = 0.000104621 Jy ! Clean residual min=-0.010762 max=0.009518 Jy/beam ! Clean residual mean=0.000354 rms=0.003169 Jy/beam ! Combined flux in latest and established models = 0.78158 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 94 components and 0.78158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264969Jy sigma=0.001628 ! Fit after self-cal, rms=0.265002Jy sigma=0.001628 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 = 0.000110235 Jy ! Component: 100 - total flux cleaned = 0.000148607 Jy ! Component: 150 - total flux cleaned = 0.000150444 Jy ! Component: 200 - total flux cleaned = 0.000183519 Jy ! Total flux subtracted in 200 components = 0.000183519 Jy ! Clean residual min=-0.010757 max=0.009483 Jy/beam ! Clean residual mean=0.000349 rms=0.003162 Jy/beam ! Combined flux in latest and established models = 0.781764 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 94 components and 0.781764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264993Jy sigma=0.001628 ! Fit after self-cal, rms=0.264998Jy sigma=0.001628 ! 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=3.517 mas, bmaj=22.2 mas, bpa=0.176 degrees ! Estimated noise=2293.86 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.517 x 22.2 at 0.176 degrees (North through East) ! Clean map min=-0.0089382 max=0.70646 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=0.264998Jy sigma=0.001628 ! Fit after self-cal, rms=0.354649Jy sigma=0.001329 ! Inverting map and beam ! Estimated beam: bmin=3.51 mas, bmaj=22.23 mas, bpa=0.1508 degrees ! Estimated noise=2292.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000916021 Jy ! Component: 100 - total flux cleaned = -0.00114869 Jy ! Component: 150 - total flux cleaned = -0.001183 Jy ! Component: 200 - total flux cleaned = -0.00121541 Jy ! Total flux subtracted in 200 components = -0.00121541 Jy ! Clean residual min=-0.009108 max=0.010463 Jy/beam ! Clean residual mean=0.000219 rms=0.002853 Jy/beam ! Combined flux in latest and established models = 0.780548 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 103 components and 0.780548 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354639Jy sigma=0.001329 ! Fit after self-cal, rms=0.354648Jy sigma=0.001329 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000187293 Jy ! Component: 100 - total flux cleaned = 0.000145572 Jy ! Component: 150 - total flux cleaned = 0.000169902 Jy ! Component: 200 - total flux cleaned = 0.00019133 Jy ! Total flux subtracted in 200 components = 0.00019133 Jy ! Clean residual min=-0.009121 max=0.010442 Jy/beam ! Clean residual mean=0.000217 rms=0.002847 Jy/beam ! Combined flux in latest and established models = 0.78074 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 114 components and 0.78074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354628Jy sigma=0.001329 ! Fit after self-cal, rms=0.354635Jy sigma=0.001329 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354635Jy sigma=0.001329 ! Fit after self-cal, rms=0.355739Jy sigma=0.001329 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=3.053 mas, bmaj=17.96 mas, bpa=-0.5322 degrees ! Estimated noise=3704.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.534292 Jy ! Component: 100 - total flux cleaned = 0.652338 Jy ! Component: 150 - total flux cleaned = 0.696351 Jy ! Component: 200 - total flux cleaned = 0.722136 Jy ! Total flux subtracted in 200 components = 0.722136 Jy ! Clean residual min=-0.023884 max=0.021704 Jy/beam ! Clean residual mean=0.000334 rms=0.007258 Jy/beam ! Combined flux in latest and established models = 0.722136 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 30 model components to the UV plane model. ! The established model now contains 30 components and 0.722136 Jy ! Inverting map and beam ! Estimated beam: bmin=3.508 mas, bmaj=22.26 mas, bpa=0.1522 degrees ! Estimated noise=2291.63 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 = 0.0276219 Jy ! Component: 100 - total flux cleaned = 0.0411111 Jy ! Component: 150 - total flux cleaned = 0.0487906 Jy ! Component: 200 - total flux cleaned = 0.0533182 Jy ! Total flux subtracted in 200 components = 0.0533182 Jy ! Clean residual min=-0.010008 max=0.010243 Jy/beam ! Clean residual mean=0.000250 rms=0.003046 Jy/beam ! Combined flux in latest and established models = 0.775455 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 62 components and 0.775455 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.035 mas, bmaj=27.05 mas, bpa=-5.314 degrees ! Estimated noise=2812.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00469521 Jy ! Component: 100 - total flux cleaned = 0.00593734 Jy ! Component: 150 - total flux cleaned = 0.0061179 Jy ! Component: 200 - total flux cleaned = 0.00617272 Jy ! Total flux subtracted in 200 components = 0.00617272 Jy ! Clean residual min=-0.011083 max=0.009528 Jy/beam ! Clean residual mean=0.000311 rms=0.003260 Jy/beam ! Combined flux in latest and established models = 0.781627 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 = 1.574e-06 Jy ! Component: 100 - total flux cleaned = 5.28071e-05 Jy ! Component: 150 - total flux cleaned = 9.74017e-05 Jy ! Component: 200 - total flux cleaned = 9.86864e-05 Jy ! Total flux subtracted in 200 components = 9.86864e-05 Jy ! Clean residual min=-0.011020 max=0.009454 Jy/beam ! Clean residual mean=0.000308 rms=0.003226 Jy/beam ! Combined flux in latest and established models = 0.781726 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 68 components and 0.781726 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.508 mas, bmaj=22.26 mas, bpa=0.1522 degrees ! Estimated noise=2291.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.45535e-05 Jy ! Component: 100 - total flux cleaned = -0.000628289 Jy ! Component: 150 - total flux cleaned = -0.00101764 Jy ! Component: 200 - total flux cleaned = -0.00117354 Jy ! Total flux subtracted in 200 components = -0.00117354 Jy ! Clean residual min=-0.009728 max=0.010373 Jy/beam ! Clean residual mean=0.000190 rms=0.002873 Jy/beam ! Combined flux in latest and established models = 0.780553 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 81 components and 0.780553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355715Jy sigma=0.001329 ! Fit after self-cal, rms=0.355688Jy sigma=0.001329 wmodel J1957-3845_S_2001_10_29_pus_map.mod ! Writing 81 model components to file: J1957-3845_S_2001_10_29_pus_map.mod wobs J1957-3845_S_2001_10_29_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2001_10_29_pus_uvs.fits wwins J1957-3845_S_2001_10_29_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_S_2001_10_29_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=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00260953 Jy ! Component: 100 - total flux cleaned = 0.00295289 Jy ! Component: 150 - total flux cleaned = 0.00310007 Jy ! Component: 200 - total flux cleaned = 0.00283762 Jy ! Component: 250 - total flux cleaned = 0.00259453 Jy ! Component: 300 - total flux cleaned = 0.0021367 Jy ! Component: 350 - total flux cleaned = 0.00181311 Jy ! Component: 400 - total flux cleaned = 0.00150895 Jy ! Component: 450 - total flux cleaned = 0.00141325 Jy ! Component: 500 - total flux cleaned = 0.0014175 Jy ! Component: 550 - total flux cleaned = 0.00159324 Jy ! Component: 600 - total flux cleaned = 0.00159479 Jy ! Component: 650 - total flux cleaned = 0.00143605 Jy ! Component: 700 - total flux cleaned = 0.00135902 Jy ! Component: 750 - total flux cleaned = 0.00120941 Jy ! Component: 800 - total flux cleaned = 0.00120965 Jy ! Component: 850 - total flux cleaned = 0.000997103 Jy ! Component: 900 - total flux cleaned = 0.000928546 Jy ! Component: 950 - total flux cleaned = 0.000861132 Jy ! Component: 1000 - total flux cleaned = 0.000666469 Jy ! Component: 1050 - total flux cleaned = 0.000541605 Jy ! Component: 1100 - total flux cleaned = 0.00048022 Jy ! Component: 1150 - total flux cleaned = 0.0004806 Jy ! Component: 1200 - total flux cleaned = 0.0003653 Jy ! Component: 1250 - total flux cleaned = 0.000253272 Jy ! Component: 1300 - total flux cleaned = 0.000198167 Jy ! Component: 1350 - total flux cleaned = 0.000144164 Jy ! Component: 1400 - total flux cleaned = 3.83245e-05 Jy ! Component: 1450 - total flux cleaned = 3.74799e-05 Jy ! Component: 1500 - total flux cleaned = -6.43184e-05 Jy ! Component: 1550 - total flux cleaned = -6.40298e-05 Jy ! Component: 1600 - total flux cleaned = -6.39071e-05 Jy ! Component: 1650 - total flux cleaned = -6.36923e-05 Jy ! Component: 1700 - total flux cleaned = -0.000110329 Jy ! Component: 1750 - total flux cleaned = -0.000155607 Jy ! Component: 1800 - total flux cleaned = -0.000109534 Jy ! Component: 1850 - total flux cleaned = -0.0001545 Jy ! Component: 1900 - total flux cleaned = -0.000242964 Jy ! Component: 1950 - total flux cleaned = -0.000242601 Jy ! Component: 2000 - total flux cleaned = -0.000286243 Jy ! Total flux subtracted in 2048 components = -0.000414722 Jy ! Clean residual min=-0.002232 max=0.002384 Jy/beam ! Clean residual mean=0.000020 rms=0.000937 Jy/beam ! Combined flux in latest and established models = 0.780138 Jy keep ! Adding 198 model components to the UV plane model. ! The established model now contains 279 components and 0.780138 Jy ![Exited script file: muppet] wmap "J1957-3845_S_2001_10_29_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.508 x 22.26 at 0.1522 degrees (North through East) ! Clean map min=-0.0066057 max=0.70481 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2001_10_29_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.704808 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000984083 device "J1957-3845_S_2001_10_29_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2001_10_29_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.418873 0.418873 0.837745 1.67549 3.35098 6.70196 13.4039 26.8078 53.6157 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.704 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.508 x 22.26 at 0.1522 degrees (North through East) ! Clean map min=-0.0066057 max=0.70481 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2001_10_29_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2001_10_29_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_2001_10_29_pus_uvs.log closed on Wed Feb 27 15:31:46 2008