! Started logfile: J0730-1141_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:37:55 2010 obs J0730-1141_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0730-1141_S_2008_04_02_pus_uva.fits ! AN table 1: 210 integrations on 120 of 120 possible baselines. ! AN table 2: 207 integrations on 120 of 120 possible baselines. ! AN table 3: 28 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0564045 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0730-1141 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 984 lines of history. ! ! Reading 12048 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 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 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.900132Jy sigma=0.015323 ! Fit after self-cal, rms=1.773026Jy sigma=0.014391 ! 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=2.663 mas, bmaj=3.495 mas, bpa=-9.923 degrees ! Estimated noise=1714.76 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.89452 Jy ! Component: 100 - total flux cleaned = 2.38252 Jy ! Total flux subtracted in 100 components = 2.38252 Jy ! Clean residual min=-0.089267 max=0.210537 Jy/beam ! Clean residual mean=-0.000578 rms=0.030148 Jy/beam ! Combined flux in latest and established models = 2.38252 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 2.38252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.700407Jy sigma=0.005232 ! Fit after self-cal, rms=0.700024Jy sigma=0.005229 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.237567 Jy ! Component: 100 - total flux cleaned = 0.370847 Jy ! Total flux subtracted in 100 components = 0.370847 Jy ! Clean residual min=-0.076163 max=0.103425 Jy/beam ! Clean residual mean=0.000207 rms=0.021409 Jy/beam ! Combined flux in latest and established models = 2.75336 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 24 components and 2.75336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.565818Jy sigma=0.004102 ! Fit after self-cal, rms=0.565495Jy sigma=0.004102 ! 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=3.65 mas, bmaj=4.835 mas, bpa=-23.66 degrees ! Estimated noise=886.145 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 = 0.118412 Jy ! Component: 100 - total flux cleaned = 0.162322 Jy ! Component: 150 - total flux cleaned = 0.183192 Jy ! Component: 200 - total flux cleaned = 0.188336 Jy ! Total flux subtracted in 200 components = 0.188336 Jy ! Clean residual min=-0.056598 max=0.075252 Jy/beam ! Clean residual mean=0.002652 rms=0.018869 Jy/beam ! Combined flux in latest and established models = 2.9417 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 31 components and 2.9417 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.534719Jy sigma=0.003960 ! Fit after self-cal, rms=0.534556Jy sigma=0.003960 ! 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 1.00* HH 1.16 HN 1.25 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.02 OV 1.00* ! PT 1.00* SC 1.16 WZ 0.99 ZC 1.18 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.07 HH 1.14 HN 1.09 ! KK 1.16 KP 0.99 LA 1.20 MK 0.81 ! NL 0.95 NY 1.00* ON 1.01 OV 0.98 ! PT 1.01 SC 0.94 WZ 0.99 ZC 1.13 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.06 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.98 ZC 1.18 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.16 HN 1.33 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.02 OV 1.00* ! PT 1.00* SC 1.19 WZ 0.91 ZC 1.14 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.15 HH 1.11 HN 1.15 ! KK 1.07 KP 1.02 LA 1.12 MK 0.86 ! NL 0.98 NY 1.00* ON 1.00 OV 1.03 ! PT 1.00 SC 0.97 WZ 0.93 ZC 1.10 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.03 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.91 ZC 1.15 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.01 HN 1.31 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.96 OV 1.00* ! PT 1.00* SC 1.07 WZ 0.81 ZC 1.13 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.15 HH 0.98 HN 1.15 ! KK 1.11 KP 1.00 LA 0.88 MK 0.88 ! NL 1.02 NY 1.00* ON 0.96 OV 1.03 ! PT 1.05 SC 0.89 WZ 0.84 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.91 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.82 ZC 1.11 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00 HN 1.17 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.03 OV 1.00* ! PT 1.00* SC 1.11 WZ 0.82 ZC 0.98 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.13 HH 0.99 HN 1.06 ! KK 1.08 KP 0.92 LA 0.74 MK 0.93 ! NL 0.93 NY 1.00* ON 0.99 OV 0.85 ! PT 0.91 SC 0.90 WZ 0.81 ZC 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.96 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 1.00 ! ! ! Fit before self-cal, rms=0.534556Jy sigma=0.003960 ! Fit after self-cal, rms=0.278396Jy sigma=0.001612 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.671 mas, bmaj=4.877 mas, bpa=-24.53 degrees ! Estimated noise=887.156 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 = -0.00259797 Jy ! Component: 100 - total flux cleaned = -0.00261738 Jy ! Component: 150 - total flux cleaned = -0.00259667 Jy ! Component: 200 - total flux cleaned = -0.00258016 Jy ! Total flux subtracted in 200 components = -0.00258016 Jy ! Clean residual min=-0.026920 max=0.030616 Jy/beam ! Clean residual mean=0.001218 rms=0.007687 Jy/beam ! Combined flux in latest and established models = 2.93912 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 36 components and 2.93912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277366Jy sigma=0.001606 ! Fit after self-cal, rms=0.276592Jy sigma=0.001605 ! 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=0.276592Jy sigma=0.001605 ! Fit after self-cal, rms=0.262181Jy sigma=0.001386 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.675 mas, bmaj=4.875 mas, bpa=-24.57 degrees ! Estimated noise=886.283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00347047 Jy ! Component: 100 - total flux cleaned = -0.00344925 Jy ! Component: 150 - total flux cleaned = -0.00343619 Jy ! Component: 200 - total flux cleaned = -0.00320038 Jy ! Total flux subtracted in 200 components = -0.00320038 Jy ! Clean residual min=-0.016023 max=0.027372 Jy/beam ! Clean residual mean=0.000479 rms=0.004927 Jy/beam ! Combined flux in latest and established models = 2.93592 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 39 components and 2.93592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261330Jy sigma=0.001382 ! Fit after self-cal, rms=0.261242Jy sigma=0.001382 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) ! Added new window around map position (-0.5, 16). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0232957 Jy ! Component: 100 - total flux cleaned = 0.0249697 Jy ! Component: 150 - total flux cleaned = 0.0253683 Jy ! Component: 200 - total flux cleaned = 0.0253559 Jy ! Total flux subtracted in 200 components = 0.0253559 Jy ! Clean residual min=-0.015315 max=0.021657 Jy/beam ! Clean residual mean=0.000490 rms=0.004100 Jy/beam ! Combined flux in latest and established models = 2.96128 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 2.96128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.257757Jy sigma=0.001358 ! Fit after self-cal, rms=0.257359Jy sigma=0.001355 ! Inverting map ! Added new window around map position (-6, 4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014993 Jy ! Component: 100 - total flux cleaned = 0.0150063 Jy ! Component: 150 - total flux cleaned = 0.0146862 Jy ! Component: 200 - total flux cleaned = 0.0144174 Jy ! Total flux subtracted in 200 components = 0.0144174 Jy ! Clean residual min=-0.015291 max=0.013519 Jy/beam ! Clean residual mean=0.000534 rms=0.003589 Jy/beam ! Combined flux in latest and established models = 2.97569 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 68 components and 2.97569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254783Jy sigma=0.001341 ! Fit after self-cal, rms=0.254543Jy sigma=0.001340 ! 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=0.254543Jy sigma=0.001340 ! Fit after self-cal, rms=0.247941Jy sigma=0.001303 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.667 mas, bmaj=4.866 mas, bpa=-24.68 degrees ! Estimated noise=885.605 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0177445 Jy ! Component: 100 - total flux cleaned = 0.0231651 Jy ! Component: 150 - total flux cleaned = 0.024043 Jy ! Component: 200 - total flux cleaned = 0.0243092 Jy ! Total flux subtracted in 200 components = 0.0243092 Jy ! Clean residual min=-0.011733 max=0.011777 Jy/beam ! Clean residual mean=0.000229 rms=0.002716 Jy/beam ! Combined flux in latest and established models = 3 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 81 components and 3 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245538Jy sigma=0.001290 ! Fit after self-cal, rms=0.245244Jy sigma=0.001288 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) ! Added new window around map position (-14.5, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111868 Jy ! Component: 100 - total flux cleaned = 0.0122903 Jy ! Component: 150 - total flux cleaned = 0.0122947 Jy ! Component: 200 - total flux cleaned = 0.0122956 Jy ! Total flux subtracted in 200 components = 0.0122956 Jy ! Clean residual min=-0.010534 max=0.010064 Jy/beam ! Clean residual mean=0.000258 rms=0.002399 Jy/beam ! Combined flux in latest and established models = 3.0123 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 93 components and 3.0123 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244191Jy sigma=0.001282 ! Fit after self-cal, rms=0.244115Jy sigma=0.001281 ! 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=0.244115Jy sigma=0.001281 ! Fit after self-cal, rms=0.242624Jy sigma=0.001276 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.92 mas, bmaj=15.94 mas, bpa=-11.27 degrees ! Estimated noise=1037.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103461 Jy ! Component: 100 - total flux cleaned = 0.0161453 Jy ! Component: 150 - total flux cleaned = 0.0184265 Jy ! Component: 200 - total flux cleaned = 0.0190856 Jy ! Total flux subtracted in 200 components = 0.0190856 Jy ! Clean residual min=-0.007964 max=0.007310 Jy/beam ! Clean residual mean=0.000383 rms=0.002452 Jy/beam ! Combined flux in latest and established models = 3.03138 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 3.03138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242103Jy sigma=0.001274 ! Fit after self-cal, rms=0.242001Jy sigma=0.001273 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 = 0.00140554 Jy ! Component: 100 - total flux cleaned = 0.00280323 Jy ! Component: 150 - total flux cleaned = 0.00361165 Jy ! Component: 200 - total flux cleaned = 0.00401041 Jy ! Total flux subtracted in 200 components = 0.00401041 Jy ! Clean residual min=-0.007403 max=0.007036 Jy/beam ! Clean residual mean=0.000392 rms=0.002408 Jy/beam ! Combined flux in latest and established models = 3.03539 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 121 components and 3.03539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241765Jy sigma=0.001272 ! Fit after self-cal, rms=0.241725Jy sigma=0.001272 ! 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=3.661 mas, bmaj=4.862 mas, bpa=-24.68 degrees ! Estimated noise=885.614 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.661 x 4.862 at -24.68 degrees (North through East) ! Clean map min=-0.0096371 max=2.4958 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=0.241725Jy sigma=0.001272 ! Fit after self-cal, rms=0.214803Jy sigma=0.001116 ! Inverting map and beam ! Estimated beam: bmin=3.658 mas, bmaj=4.864 mas, bpa=-24.72 degrees ! Estimated noise=885.383 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00508471 Jy ! Component: 100 - total flux cleaned = 0.00579469 Jy ! Component: 150 - total flux cleaned = 0.00600723 Jy ! Component: 200 - total flux cleaned = 0.00620113 Jy ! Total flux subtracted in 200 components = 0.00620113 Jy ! Clean residual min=-0.009015 max=0.008759 Jy/beam ! Clean residual mean=0.000156 rms=0.001994 Jy/beam ! Combined flux in latest and established models = 3.0416 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 135 components and 3.0416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214043Jy sigma=0.001112 ! Fit after self-cal, rms=0.213999Jy sigma=0.001112 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150876 Jy ! Component: 100 - total flux cleaned = 0.00168357 Jy ! Component: 150 - total flux cleaned = 0.00151457 Jy ! Component: 200 - total flux cleaned = 0.00135912 Jy ! Total flux subtracted in 200 components = 0.00135912 Jy ! Clean residual min=-0.008652 max=0.007875 Jy/beam ! Clean residual mean=0.000158 rms=0.001928 Jy/beam ! Combined flux in latest and established models = 3.04296 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 141 components and 3.04296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213538Jy sigma=0.001110 ! Fit after self-cal, rms=0.213508Jy sigma=0.001109 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213508Jy sigma=0.001109 ! Fit after self-cal, rms=0.212920Jy sigma=0.001108 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=2.72 mas, bmaj=3.484 mas, bpa=-10.68 degrees ! Estimated noise=1715.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.89334 Jy ! Component: 100 - total flux cleaned = 2.37829 Jy ! Component: 150 - total flux cleaned = 2.6045 Jy ! Component: 200 - total flux cleaned = 2.72683 Jy ! Total flux subtracted in 200 components = 2.72683 Jy ! Clean residual min=-0.028351 max=0.061942 Jy/beam ! Clean residual mean=-0.000369 rms=0.008449 Jy/beam ! Combined flux in latest and established models = 2.72683 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 26 model components to the UV plane model. ! The established model now contains 26 components and 2.72684 Jy ! Inverting map and beam ! Estimated beam: bmin=3.656 mas, bmaj=4.863 mas, bpa=-24.73 degrees ! Estimated noise=885.584 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 = 0.122276 Jy ! Component: 100 - total flux cleaned = 0.185821 Jy ! Component: 150 - total flux cleaned = 0.224064 Jy ! Component: 200 - total flux cleaned = 0.249944 Jy ! Total flux subtracted in 200 components = 0.249944 Jy ! Clean residual min=-0.010427 max=0.018748 Jy/beam ! Clean residual mean=-0.000015 rms=0.003840 Jy/beam ! Combined flux in latest and established models = 2.97678 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 69 components and 2.97678 Jy ! Inverting map ! Added new window around map position (0.5, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198407 Jy ! Component: 100 - total flux cleaned = 0.034053 Jy ! Component: 150 - total flux cleaned = 0.0448276 Jy ! Component: 200 - total flux cleaned = 0.0531782 Jy ! Total flux subtracted in 200 components = 0.0531782 Jy ! Clean residual min=-0.007160 max=0.007252 Jy/beam ! Clean residual mean=0.000097 rms=0.001991 Jy/beam ! Combined flux in latest and established models = 3.02996 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 108 components and 3.02996 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=7.911 mas, bmaj=15.92 mas, bpa=-11.28 degrees ! Estimated noise=1038.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00901886 Jy ! Component: 100 - total flux cleaned = 0.0148201 Jy ! Component: 150 - total flux cleaned = 0.0188174 Jy ! Component: 200 - total flux cleaned = 0.0202558 Jy ! Total flux subtracted in 200 components = 0.0202558 Jy ! Clean residual min=-0.006402 max=0.007048 Jy/beam ! Clean residual mean=0.000269 rms=0.002172 Jy/beam ! Combined flux in latest and established models = 3.05022 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 = 0.00096322 Jy ! Component: 100 - total flux cleaned = 0.00129898 Jy ! Component: 150 - total flux cleaned = 0.00137402 Jy ! Component: 200 - total flux cleaned = 0.00144499 Jy ! Total flux subtracted in 200 components = 0.00144499 Jy ! Clean residual min=-0.006077 max=0.007117 Jy/beam ! Clean residual mean=0.000284 rms=0.002128 Jy/beam ! Combined flux in latest and established models = 3.05166 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 167 components and 3.05166 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.656 mas, bmaj=4.863 mas, bpa=-24.73 degrees ! Estimated noise=885.584 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00220737 Jy ! Component: 100 - total flux cleaned = -0.00271804 Jy ! Component: 150 - total flux cleaned = -0.00300801 Jy ! Component: 200 - total flux cleaned = -0.00300722 Jy ! Total flux subtracted in 200 components = -0.00300722 Jy ! Clean residual min=-0.006257 max=0.006055 Jy/beam ! Clean residual mean=0.000141 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 3.04865 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 180 components and 3.04865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210235Jy sigma=0.001100 ! Fit after self-cal, rms=0.210041Jy sigma=0.001098 wmodel J0730-1141_S_2008_04_02_pus_map.mod ! Writing 180 model components to file: J0730-1141_S_2008_04_02_pus_map.mod wobs J0730-1141_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0730-1141_S_2008_04_02_pus_uvs.fits wwins J0730-1141_S_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J0730-1141_S_2008_04_02_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 = -0.00155553 Jy ! Component: 100 - total flux cleaned = -0.0021115 Jy ! Component: 150 - total flux cleaned = -0.00231277 Jy ! Component: 200 - total flux cleaned = -0.00240851 Jy ! Component: 250 - total flux cleaned = -0.00231691 Jy ! Component: 300 - total flux cleaned = -0.00222983 Jy ! Component: 350 - total flux cleaned = -0.00222675 Jy ! Component: 400 - total flux cleaned = -0.00222576 Jy ! Component: 450 - total flux cleaned = -0.00222687 Jy ! Component: 500 - total flux cleaned = -0.00200062 Jy ! Component: 550 - total flux cleaned = -0.00163224 Jy ! Component: 600 - total flux cleaned = -0.0013433 Jy ! Component: 650 - total flux cleaned = -0.000853424 Jy ! Component: 700 - total flux cleaned = -0.000514404 Jy ! Component: 750 - total flux cleaned = -0.000182142 Jy ! Component: 800 - total flux cleaned = 7.90324e-05 Jy ! Component: 850 - total flux cleaned = 0.000464067 Jy ! Component: 900 - total flux cleaned = 0.00102843 Jy ! Component: 950 - total flux cleaned = 0.00164382 Jy ! Component: 1000 - total flux cleaned = 0.00188516 Jy ! Component: 1050 - total flux cleaned = 0.00230346 Jy ! Component: 1100 - total flux cleaned = 0.00265691 Jy ! Component: 1150 - total flux cleaned = 0.00300479 Jy ! Component: 1200 - total flux cleaned = 0.00329142 Jy ! Component: 1250 - total flux cleaned = 0.00374208 Jy ! Component: 1300 - total flux cleaned = 0.00396467 Jy ! Component: 1350 - total flux cleaned = 0.00445953 Jy ! Component: 1400 - total flux cleaned = 0.00467675 Jy ! Component: 1450 - total flux cleaned = 0.00510607 Jy ! Component: 1500 - total flux cleaned = 0.00553017 Jy ! Component: 1550 - total flux cleaned = 0.00563539 Jy ! Component: 1600 - total flux cleaned = 0.00620692 Jy ! Component: 1650 - total flux cleaned = 0.00651513 Jy ! Component: 1700 - total flux cleaned = 0.00682085 Jy ! Component: 1750 - total flux cleaned = 0.00732374 Jy ! Component: 1800 - total flux cleaned = 0.00752267 Jy ! Component: 1850 - total flux cleaned = 0.0077695 Jy ! Component: 1900 - total flux cleaned = 0.0081617 Jy ! Component: 1950 - total flux cleaned = 0.00874353 Jy ! Component: 2000 - total flux cleaned = 0.00903217 Jy ! Total flux subtracted in 2048 components = 0.009556 Jy ! Clean residual min=-0.002892 max=0.002899 Jy/beam ! Clean residual mean=0.000210 rms=0.000894 Jy/beam ! Combined flux in latest and established models = 3.05821 Jy keep ! Adding 124 model components to the UV plane model. ! The established model now contains 303 components and 3.05821 Jy wmap "J0730-1141_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.656 x 4.863 at -24.73 degrees (North through East) ! Clean map min=-0.0048913 max=2.5114 Jy/beam ! Writing clean map to FITS file: J0730-1141_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.51142 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000886551 device "J0730-1141_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0730-1141_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.105902 0.105902 0.211805 0.423609 0.847218 1.69444 3.38887 6.77775 13.5555 27.111 54.222 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.511 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.656 x 4.863 at -24.73 degrees (North through East) ! Clean map min=-0.0048913 max=2.5114 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0730-1141_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0730-1141_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0730-1141_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:38:02 2010