! Started logfile: J1957-3845_X_2001_03_12_pus_uvs.log on Wed Jan 2 20:03:37 2013 obs J1957-3845_X_2001_03_12_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2001_03_12_pus_uva.fits ! AN table 1: 40 integrations on 136 of 136 possible baselines. ! AN table 2: 16 integrations on 136 of 136 possible baselines. ! AN table 3: 29 integrations on 136 of 136 possible baselines. ! AN table 4: 15 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0615441 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 1749 lines of history. ! ! Reading 3348 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1957-3845_X_2001_03_12_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 0.200x0.200 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 543 telescope corrections were flagged in sub-array 1. ! A total of 272 telescope corrections were flagged in sub-array 2. ! A total of 392 telescope corrections were flagged in sub-array 3. ! A total of 161 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 543 telescope corrections were flagged in sub-array 1. ! A total of 272 telescope corrections were flagged in sub-array 2. ! A total of 389 telescope corrections were flagged in sub-array 3. ! A total of 161 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 543 telescope corrections were flagged in sub-array 1. ! A total of 272 telescope corrections were flagged in sub-array 2. ! A total of 392 telescope corrections were flagged in sub-array 3. ! A total of 161 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 543 telescope corrections were flagged in sub-array 1. ! A total of 272 telescope corrections were flagged in sub-array 2. ! A total of 392 telescope corrections were flagged in sub-array 3. ! A total of 161 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.722762Jy sigma=0.005081 ! Fit after self-cal, rms=0.353831Jy sigma=0.002255 ! 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=0.7212 mas, bmaj=3.013 mas, bpa=-0.09299 degrees ! Estimated noise=2337.65 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 = 0.803798 Jy ! Component: 100 - total flux cleaned = 1.01254 Jy ! Total flux subtracted in 100 components = 1.01254 Jy ! Clean residual min=-0.048237 max=0.094392 Jy/beam ! Clean residual mean=-0.000502 rms=0.015705 Jy/beam ! Combined flux in latest and established models = 1.01254 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.01254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342891Jy sigma=0.002137 ! Fit after self-cal, rms=0.342438Jy sigma=0.002136 ! Inverting map ! Added new window around map position (-1, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108264 Jy ! Component: 100 - total flux cleaned = 0.172752 Jy ! Total flux subtracted in 100 components = 0.172752 Jy ! Clean residual min=-0.026297 max=0.040109 Jy/beam ! Clean residual mean=-0.000240 rms=0.008391 Jy/beam ! Combined flux in latest and established models = 1.18529 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 35 components and 1.18529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294367Jy sigma=0.001489 ! Fit after self-cal, rms=0.292975Jy sigma=0.001487 ! 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=0.9193 mas, bmaj=3.957 mas, bpa=-2.877 degrees ! Estimated noise=1608.82 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 = 0.0633379 Jy ! Component: 100 - total flux cleaned = 0.0979703 Jy ! Component: 150 - total flux cleaned = 0.11729 Jy ! Component: 200 - total flux cleaned = 0.128129 Jy ! Total flux subtracted in 200 components = 0.128129 Jy ! Clean residual min=-0.021420 max=0.021950 Jy/beam ! Clean residual mean=-0.000112 rms=0.006168 Jy/beam ! Combined flux in latest and established models = 1.31342 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 60 components and 1.31342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279983Jy sigma=0.001308 ! Fit after self-cal, rms=0.279431Jy sigma=0.001304 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.98 MA 1.00* ! MC 1.00* MK 1.00* NL 1.02 ON 1.00* ! OV 0.98 PT 0.98 SC 0.99 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KK 1.00* KP 1.08 LA 1.01 MA 1.00* ! MC 1.00* MK 1.00* NL 1.12 ON 1.00* ! OV 1.00* PT 1.01 SC 1.03 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KK 1.03 KP 1.10 LA 1.05 MA 1.00* ! MC 1.00* MK 0.95 NL 1.00* ON 1.00* ! OV 0.98 PT 1.00 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 HH 1.00* HN 1.00* ! KK 1.00* KP 0.95 LA 0.98 MA 1.00* ! MC 1.00* MK 1.00* NL 0.96 ON 1.00* ! OV 1.00 PT 1.02 SC 0.97 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.00* KP 1.03 LA 0.99 MA 1.00* ! MC 1.00* MK 1.00* NL 1.17 ON 1.00* ! OV 1.00* PT 1.04 SC 1.01 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KK 1.01 KP 1.01 LA 1.05 MA 1.00* ! MC 1.00* MK 0.95 NL 1.00* ON 1.00* ! OV 0.99 PT 1.01 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 HH 1.00* HN 1.00* ! KK 1.00* KP 0.92 LA 0.98 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00 ON 1.00* ! OV 1.01 PT 1.03 SC 0.98 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 1.21 ON 1.00* ! OV 1.00* PT 1.05 SC 1.05 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.13 KP 0.99 LA 1.07 MA 1.00* ! MC 1.00* MK 0.97 NL 1.00* ON 1.00* ! OV 1.01 PT 1.05 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 HH 1.00* HN 1.00* ! KK 1.00* KP 0.92 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00 ON 1.00* ! OV 1.00 PT 1.02 SC 1.04 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.90 HH 1.00* HN 1.00* ! KK 1.00* KP 1.02 LA 1.01 MA 1.00* ! MC 1.00* MK 1.00* NL 1.18 ON 1.00* ! OV 1.00* PT 1.01 SC 1.05 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.94 HH 1.00* HN 1.00* ! KK 1.04 KP 1.03 LA 1.04 MA 1.00* ! MC 1.00* MK 0.96 NL 1.00* ON 1.00* ! OV 0.99 PT 1.05 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.279431Jy sigma=0.001304 ! Fit after self-cal, rms=0.159355Jy sigma=0.001170 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.973 mas, bmaj=4.874 mas, bpa=-6.409 degrees ! Estimated noise=1648.04 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 = -0.00169895 Jy ! Component: 100 - total flux cleaned = -0.00189149 Jy ! Component: 150 - total flux cleaned = -0.0018895 Jy ! Component: 200 - total flux cleaned = -0.00189044 Jy ! Total flux subtracted in 200 components = -0.00189044 Jy ! Clean residual min=-0.010318 max=0.008116 Jy/beam ! Clean residual mean=-0.000126 rms=0.002435 Jy/beam ! Combined flux in latest and established models = 1.31153 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 65 components and 1.31153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158942Jy sigma=0.001167 ! Fit after self-cal, rms=0.159066Jy sigma=0.001167 ! 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=0.159066Jy sigma=0.001167 ! Fit after self-cal, rms=0.158872Jy sigma=0.001166 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9739 mas, bmaj=4.872 mas, bpa=-6.349 degrees ! Estimated noise=1646.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00175799 Jy ! Component: 100 - total flux cleaned = -0.00173531 Jy ! Component: 150 - total flux cleaned = -0.00162056 Jy ! Component: 200 - total flux cleaned = -0.00162951 Jy ! Total flux subtracted in 200 components = -0.00162951 Jy ! Clean residual min=-0.009932 max=0.007314 Jy/beam ! Clean residual mean=-0.000108 rms=0.002315 Jy/beam ! Combined flux in latest and established models = 1.3099 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 65 components and 1.3099 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158622Jy sigma=0.001165 ! Fit after self-cal, rms=0.158587Jy sigma=0.001164 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 = 0.000804797 Jy ! Component: 100 - total flux cleaned = 0.000803365 Jy ! Component: 150 - total flux cleaned = 0.00073213 Jy ! Component: 200 - total flux cleaned = 0.000734268 Jy ! Total flux subtracted in 200 components = 0.000734268 Jy ! Clean residual min=-0.009857 max=0.007045 Jy/beam ! Clean residual mean=-0.000106 rms=0.002290 Jy/beam ! Combined flux in latest and established models = 1.31064 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 72 components and 1.31064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158492Jy sigma=0.001164 ! Fit after self-cal, rms=0.158471Jy sigma=0.001164 ! 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=0.158471Jy sigma=0.001164 ! Fit after self-cal, rms=0.158428Jy sigma=0.001163 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9747 mas, bmaj=4.871 mas, bpa=-6.298 degrees ! Estimated noise=1645.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00182154 Jy ! Component: 100 - total flux cleaned = -0.00181654 Jy ! Component: 150 - total flux cleaned = -0.0018148 Jy ! Component: 200 - total flux cleaned = -0.00181083 Jy ! Total flux subtracted in 200 components = -0.00181083 Jy ! Clean residual min=-0.009366 max=0.006692 Jy/beam ! Clean residual mean=-0.000092 rms=0.002197 Jy/beam ! Combined flux in latest and established models = 1.30883 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 75 components and 1.30883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158303Jy sigma=0.001162 ! Fit after self-cal, rms=0.158282Jy sigma=0.001162 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 = 0.000516831 Jy ! Component: 100 - total flux cleaned = 0.00051868 Jy ! Component: 150 - total flux cleaned = 0.000515691 Jy ! Component: 200 - total flux cleaned = 0.000513473 Jy ! Total flux subtracted in 200 components = 0.000513473 Jy ! Clean residual min=-0.009383 max=0.006734 Jy/beam ! Clean residual mean=-0.000091 rms=0.002181 Jy/beam ! Combined flux in latest and established models = 1.30934 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 77 components and 1.30934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158231Jy sigma=0.001162 ! Fit after self-cal, rms=0.158216Jy sigma=0.001162 ! 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=0.158216Jy sigma=0.001162 ! Fit after self-cal, rms=0.158247Jy sigma=0.001161 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.705 mas, bmaj=9.016 mas, bpa=-7.189 degrees ! Estimated noise=1929.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000920357 Jy ! Component: 100 - total flux cleaned = -0.00105416 Jy ! Component: 150 - total flux cleaned = -0.00105364 Jy ! Component: 200 - total flux cleaned = -0.0011024 Jy ! Total flux subtracted in 200 components = -0.0011024 Jy ! Clean residual min=-0.009110 max=0.006804 Jy/beam ! Clean residual mean=-0.000132 rms=0.002690 Jy/beam ! Combined flux in latest and established models = 1.30824 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 81 components and 1.30824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158253Jy sigma=0.001161 ! Fit after self-cal, rms=0.158230Jy sigma=0.001161 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 = 0.000355871 Jy ! Component: 100 - total flux cleaned = 0.000299665 Jy ! Component: 150 - total flux cleaned = 0.000300611 Jy ! Component: 200 - total flux cleaned = 0.000260325 Jy ! Total flux subtracted in 200 components = 0.000260325 Jy ! Clean residual min=-0.009072 max=0.006830 Jy/beam ! Clean residual mean=-0.000130 rms=0.002686 Jy/beam ! Combined flux in latest and established models = 1.3085 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 84 components and 1.3085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158250Jy sigma=0.001161 ! Fit after self-cal, rms=0.158233Jy sigma=0.001161 ! 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=0.9754 mas, bmaj=4.872 mas, bpa=-6.266 degrees ! Estimated noise=1644.78 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9754 x 4.872 at -6.266 degrees (North through East) ! Clean map min=-0.0089586 max=1.0637 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=0.158233Jy sigma=0.001161 ! Fit after self-cal, rms=0.145252Jy sigma=0.001041 ! Inverting map and beam ! Estimated beam: bmin=0.9755 mas, bmaj=4.877 mas, bpa=-6.298 degrees ! Estimated noise=1643.79 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00187425 Jy ! Component: 100 - total flux cleaned = -0.00193965 Jy ! Component: 150 - total flux cleaned = -0.00198958 Jy ! Component: 200 - total flux cleaned = -0.00203738 Jy ! Total flux subtracted in 200 components = -0.00203738 Jy ! Clean residual min=-0.009072 max=0.006509 Jy/beam ! Clean residual mean=-0.000078 rms=0.002093 Jy/beam ! Combined flux in latest and established models = 1.30646 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 86 components and 1.30646 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145170Jy sigma=0.001040 ! Fit after self-cal, rms=0.145159Jy sigma=0.001040 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000159376 Jy ! Component: 100 - total flux cleaned = 0.000112968 Jy ! Component: 150 - total flux cleaned = 2.31514e-05 Jy ! Component: 200 - total flux cleaned = -0.000101576 Jy ! Total flux subtracted in 200 components = -0.000101576 Jy ! Clean residual min=-0.009139 max=0.006486 Jy/beam ! Clean residual mean=-0.000078 rms=0.002077 Jy/beam ! Combined flux in latest and established models = 1.30636 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 90 components and 1.30636 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145125Jy sigma=0.001040 ! Fit after self-cal, rms=0.145119Jy sigma=0.001040 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145119Jy sigma=0.001040 ! Fit after self-cal, rms=0.145170Jy sigma=0.001040 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=0.7961 mas, bmaj=4.042 mas, bpa=-5.493 degrees ! Estimated noise=2472.79 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.825182 Jy ! Component: 100 - total flux cleaned = 1.03376 Jy ! Component: 150 - total flux cleaned = 1.13571 Jy ! Component: 200 - total flux cleaned = 1.1944 Jy ! Total flux subtracted in 200 components = 1.1944 Jy ! Clean residual min=-0.017291 max=0.030191 Jy/beam ! Clean residual mean=-0.000196 rms=0.005765 Jy/beam ! Combined flux in latest and established models = 1.1944 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 32 model components to the UV plane model. ! The established model now contains 32 components and 1.1944 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9761 mas, bmaj=4.878 mas, bpa=-6.269 degrees ! Estimated noise=1643.26 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 = 0.051526 Jy ! Component: 100 - total flux cleaned = 0.0767791 Jy ! Component: 150 - total flux cleaned = 0.0903686 Jy ! Component: 200 - total flux cleaned = 0.0978368 Jy ! Total flux subtracted in 200 components = 0.0978368 Jy ! Clean residual min=-0.009319 max=0.007886 Jy/beam ! Clean residual mean=-0.000087 rms=0.002145 Jy/beam ! Combined flux in latest and established models = 1.29224 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 68 components and 1.29224 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=2.708 mas, bmaj=9.027 mas, bpa=-7.169 degrees ! Estimated noise=1925.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00581854 Jy ! Component: 100 - total flux cleaned = 0.00759215 Jy ! Component: 150 - total flux cleaned = 0.00779291 Jy ! Component: 200 - total flux cleaned = 0.00798881 Jy ! Total flux subtracted in 200 components = 0.00798881 Jy ! Clean residual min=-0.007622 max=0.006395 Jy/beam ! Clean residual mean=-0.000119 rms=0.002554 Jy/beam ! Combined flux in latest and established models = 1.30023 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 = 0.000184892 Jy ! Component: 100 - total flux cleaned = 0.000363513 Jy ! Component: 150 - total flux cleaned = 0.000531583 Jy ! Component: 200 - total flux cleaned = 0.000691654 Jy ! Total flux subtracted in 200 components = 0.000691654 Jy ! Clean residual min=-0.007640 max=0.006253 Jy/beam ! Clean residual mean=-0.000116 rms=0.002534 Jy/beam ! Combined flux in latest and established models = 1.30092 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 74 components and 1.30092 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9761 mas, bmaj=4.878 mas, bpa=-6.269 degrees ! Estimated noise=1643.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000783233 Jy ! Component: 100 - total flux cleaned = -0.000612712 Jy ! Component: 150 - total flux cleaned = -0.000537515 Jy ! Component: 200 - total flux cleaned = -0.000463647 Jy ! Total flux subtracted in 200 components = -0.000463647 Jy ! Clean residual min=-0.008790 max=0.006060 Jy/beam ! Clean residual mean=-0.000071 rms=0.002029 Jy/beam ! Combined flux in latest and established models = 1.30046 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 80 components and 1.30046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145284Jy sigma=0.001040 ! Fit after self-cal, rms=0.145223Jy sigma=0.001039 wmodel J1957-3845_X_2001_03_12_pus_map.mod ! Writing 80 model components to file: J1957-3845_X_2001_03_12_pus_map.mod wobs J1957-3845_X_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2001_03_12_pus_uvs.fits wwins J1957-3845_X_2001_03_12_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_X_2001_03_12_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 = -0.00379304 Jy ! Component: 100 - total flux cleaned = -0.00673041 Jy ! Component: 150 - total flux cleaned = -0.00855853 Jy ! Component: 200 - total flux cleaned = -0.0100814 Jy ! Component: 250 - total flux cleaned = -0.0113382 Jy ! Component: 300 - total flux cleaned = -0.0121711 Jy ! Component: 350 - total flux cleaned = -0.0127915 Jy ! Component: 400 - total flux cleaned = -0.0133854 Jy ! Component: 450 - total flux cleaned = -0.0135506 Jy ! Component: 500 - total flux cleaned = -0.0141807 Jy ! Component: 550 - total flux cleaned = -0.0143333 Jy ! Component: 600 - total flux cleaned = -0.0145577 Jy ! Component: 650 - total flux cleaned = -0.0147024 Jy ! Component: 700 - total flux cleaned = -0.0147719 Jy ! Component: 750 - total flux cleaned = -0.0149045 Jy ! Component: 800 - total flux cleaned = -0.014772 Jy ! Component: 850 - total flux cleaned = -0.0149638 Jy ! Component: 900 - total flux cleaned = -0.0152134 Jy ! Component: 950 - total flux cleaned = -0.0155797 Jy ! Component: 1000 - total flux cleaned = -0.0159388 Jy ! Component: 1050 - total flux cleaned = -0.016465 Jy ! Component: 1100 - total flux cleaned = -0.016808 Jy ! Component: 1150 - total flux cleaned = -0.0172571 Jy ! Component: 1200 - total flux cleaned = -0.0176427 Jy ! Component: 1250 - total flux cleaned = -0.0180743 Jy ! Component: 1300 - total flux cleaned = -0.0181787 Jy ! Component: 1350 - total flux cleaned = -0.0182304 Jy ! Component: 1400 - total flux cleaned = -0.018231 Jy ! Component: 1450 - total flux cleaned = -0.0182812 Jy ! Component: 1500 - total flux cleaned = -0.0183306 Jy ! Component: 1550 - total flux cleaned = -0.0183298 Jy ! Component: 1600 - total flux cleaned = -0.0183778 Jy ! Component: 1650 - total flux cleaned = -0.0184244 Jy ! Component: 1700 - total flux cleaned = -0.0184241 Jy ! Component: 1750 - total flux cleaned = -0.0186058 Jy ! Component: 1800 - total flux cleaned = -0.0188292 Jy ! Component: 1850 - total flux cleaned = -0.018917 Jy ! Component: 1900 - total flux cleaned = -0.0191789 Jy ! Component: 1950 - total flux cleaned = -0.0193509 Jy ! Component: 2000 - total flux cleaned = -0.0195206 Jy ! Total flux subtracted in 2048 components = -0.0197725 Jy ! Clean residual min=-0.002925 max=0.002734 Jy/beam ! Clean residual mean=-0.000042 rms=0.000824 Jy/beam ! Combined flux in latest and established models = 1.28068 Jy keep ! Adding 132 model components to the UV plane model. ! The established model now contains 212 components and 1.28068 Jy ![Exited script file: muppet] wmap "J1957-3845_X_2001_03_12_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9761 x 4.878 at -6.269 degrees (North through East) ! Clean map min=-0.0062559 max=1.0727 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.07265 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000799632 device "J1957-3845_X_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.223642 0.223642 0.447283 0.894567 1.78913 3.57827 7.15654 14.3131 28.6261 57.2523 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.072 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9761 x 4.878 at -6.269 degrees (North through East) ! Clean map min=-0.0062559 max=1.0727 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1957-3845_X_2001_03_12_pus_uvs.log closed on Wed Jan 2 20:03:41 2013