! Started logfile: J1257-3155_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:30:14 2011 obs J1257-3155_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1257-3155_S_2009_04_21_pus_uva.fits ! AN table 1: 35 integrations on 120 of 120 possible baselines. ! AN table 2: 99 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.091791 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1257-3155 ! ! 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 1864 lines of history. ! ! Reading 5904 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 J1257-3155_S_2009_04_21_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 356 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 356 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 356 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 356 telescope corrections were flagged in sub-array 1. ! A total of 1275 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.438997Jy sigma=0.003426 ! Fit after self-cal, rms=0.348900Jy sigma=0.002500 ! 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=2.571 mas, bmaj=9.375 mas, bpa=8.853 degrees ! Estimated noise=2034.38 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 = 0.755916 Jy ! Component: 100 - total flux cleaned = 0.976318 Jy ! Total flux subtracted in 100 components = 0.976318 Jy ! Clean residual min=-0.042196 max=0.099532 Jy/beam ! Clean residual mean=0.000474 rms=0.014360 Jy/beam ! Combined flux in latest and established models = 0.976318 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.976318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325256Jy sigma=0.002414 ! Fit after self-cal, rms=0.324918Jy sigma=0.002413 ! Inverting map ! Added new window around map position (3.5, 8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.112641 Jy ! Component: 100 - total flux cleaned = 0.180783 Jy ! Total flux subtracted in 100 components = 0.180783 Jy ! Clean residual min=-0.027205 max=0.054195 Jy/beam ! Clean residual mean=0.000199 rms=0.008878 Jy/beam ! Combined flux in latest and established models = 1.1571 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 28 components and 1.1571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253010Jy sigma=0.001773 ! Fit after self-cal, rms=0.252166Jy sigma=0.001768 ! 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=3.215 mas, bmaj=11.35 mas, bpa=8.078 degrees ! Estimated noise=1297.87 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 = 0.0900006 Jy ! Component: 100 - total flux cleaned = 0.13623 Jy ! Component: 150 - total flux cleaned = 0.162303 Jy ! Component: 200 - total flux cleaned = 0.177423 Jy ! Total flux subtracted in 200 components = 0.177423 Jy ! Clean residual min=-0.018033 max=0.017145 Jy/beam ! Clean residual mean=0.000155 rms=0.005150 Jy/beam ! Combined flux in latest and established models = 1.33452 Jy ! Performing phase self-cal ! Adding 71 model components to the UV plane model. ! The established model now contains 91 components and 1.33452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224324Jy sigma=0.001485 ! Fit after self-cal, rms=0.223452Jy sigma=0.001479 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 1.00* KB 1.00* ! KK 1.03 KP 0.97 LA 1.07 MK 0.97 ! NL 1.00* NY 1.00* OV 0.95 PT 1.04 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HN 1.28 KB 0.95 ! KK 1.09 KP 0.96 LA 1.07 MK 0.99 ! NL 1.02 NY 1.00* OV 0.94 PT 1.00 ! SC 1.02 TS 0.94 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.00* KB 1.00* ! KK 0.97 KP 1.00 LA 1.02 MK 0.98 ! NL 1.00* NY 1.00* OV 0.98 PT 1.02 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 HN 1.26 KB 1.00 ! KK 0.99 KP 1.02 LA 1.00 MK 0.99 ! NL 1.01 NY 1.00* OV 1.00 PT 1.00 ! SC 1.05 TS 0.94 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.00* KB 1.00* ! KK 1.03 KP 1.01 LA 1.02 MK 0.94 ! NL 1.00* NY 1.00* OV 1.02 PT 1.05 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 HN 1.25 KB 1.02 ! KK 1.02 KP 1.00 LA 1.01 MK 1.03 ! NL 1.00 NY 1.00* OV 1.00 PT 1.06 ! SC 0.99 TS 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 1.00* KB 1.00* ! KK 1.00 KP 1.02 LA 1.02 MK 0.98 ! NL 1.00* NY 1.00* OV 0.84 PT 0.93 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.75 FD 1.00 HN 1.31 KB 1.09 ! KK 1.01 KP 1.00 LA 0.99 MK 1.02 ! NL 1.01 NY 1.00* OV 0.85 PT 0.92 ! SC 1.02 TS 0.95 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.223452Jy sigma=0.001479 ! Fit after self-cal, rms=0.206893Jy sigma=0.001290 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.293 mas, bmaj=11.73 mas, bpa=7.241 degrees ! Estimated noise=1320.43 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 = -0.00450881 Jy ! Component: 100 - total flux cleaned = -0.00471438 Jy ! Component: 150 - total flux cleaned = -0.00470917 Jy ! Component: 200 - total flux cleaned = -0.00455455 Jy ! Total flux subtracted in 200 components = -0.00455455 Jy ! Clean residual min=-0.013640 max=0.015401 Jy/beam ! Clean residual mean=-0.000060 rms=0.003815 Jy/beam ! Combined flux in latest and established models = 1.32997 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 102 components and 1.32997 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206391Jy sigma=0.001288 ! Fit after self-cal, rms=0.206540Jy sigma=0.001288 ! 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=0.206540Jy sigma=0.001288 ! Fit after self-cal, rms=0.205379Jy sigma=0.001262 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.287 mas, bmaj=11.75 mas, bpa=7.339 degrees ! Estimated noise=1322.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00270624 Jy ! Component: 100 - total flux cleaned = -0.00291074 Jy ! Component: 150 - total flux cleaned = -0.0030758 Jy ! Component: 200 - total flux cleaned = -0.00307573 Jy ! Total flux subtracted in 200 components = -0.00307573 Jy ! Clean residual min=-0.011230 max=0.016682 Jy/beam ! Clean residual mean=0.000253 rms=0.003070 Jy/beam ! Combined flux in latest and established models = 1.32689 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 115 components and 1.32689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204907Jy sigma=0.001260 ! Fit after self-cal, rms=0.204944Jy sigma=0.001260 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 (9, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108954 Jy ! Component: 100 - total flux cleaned = 0.0116216 Jy ! Component: 150 - total flux cleaned = 0.0121892 Jy ! Component: 200 - total flux cleaned = 0.0122138 Jy ! Total flux subtracted in 200 components = 0.0122138 Jy ! Clean residual min=-0.010055 max=0.008826 Jy/beam ! Clean residual mean=-0.000284 rms=0.002568 Jy/beam ! Combined flux in latest and established models = 1.33911 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 137 components and 1.33911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203406Jy sigma=0.001250 ! Fit after self-cal, rms=0.203000Jy sigma=0.001248 ! 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=0.203000Jy sigma=0.001248 ! Fit after self-cal, rms=0.201218Jy sigma=0.001224 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.283 mas, bmaj=11.72 mas, bpa=7.375 degrees ! Estimated noise=1322.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.003349 Jy ! Component: 100 - total flux cleaned = 0.00426219 Jy ! Component: 150 - total flux cleaned = 0.00426255 Jy ! Component: 200 - total flux cleaned = 0.00407513 Jy ! Total flux subtracted in 200 components = 0.00407513 Jy ! Clean residual min=-0.008145 max=0.008635 Jy/beam ! Clean residual mean=-0.000098 rms=0.001996 Jy/beam ! Combined flux in latest and established models = 1.34318 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 151 components and 1.34318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200326Jy sigma=0.001219 ! Fit after self-cal, rms=0.200110Jy sigma=0.001218 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 = 0.00179099 Jy ! Component: 100 - total flux cleaned = 0.0024201 Jy ! Component: 150 - total flux cleaned = 0.00210551 Jy ! Component: 200 - total flux cleaned = 0.00154009 Jy ! Total flux subtracted in 200 components = 0.00154009 Jy ! Clean residual min=-0.007601 max=0.007070 Jy/beam ! Clean residual mean=-0.000172 rms=0.001862 Jy/beam ! Combined flux in latest and established models = 1.34472 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 165 components and 1.34472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199642Jy sigma=0.001216 ! Fit after self-cal, rms=0.199534Jy sigma=0.001215 ! 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=0.199534Jy sigma=0.001215 ! Fit after self-cal, rms=0.199571Jy sigma=0.001214 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.661 mas, bmaj=21.76 mas, bpa=4.818 degrees ! Estimated noise=1608.01 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000776435 Jy ! Component: 100 - total flux cleaned = 0.000433553 Jy ! Component: 150 - total flux cleaned = -0.000150568 Jy ! Component: 200 - total flux cleaned = -0.000651427 Jy ! Total flux subtracted in 200 components = -0.000651427 Jy ! Clean residual min=-0.005979 max=0.006676 Jy/beam ! Clean residual mean=-0.000059 rms=0.001953 Jy/beam ! Combined flux in latest and established models = 1.34407 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 179 components and 1.34407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199308Jy sigma=0.001214 ! Fit after self-cal, rms=0.199168Jy sigma=0.001213 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 = 0.00120821 Jy ! Component: 100 - total flux cleaned = 0.00120393 Jy ! Component: 150 - total flux cleaned = 0.000672524 Jy ! Component: 200 - total flux cleaned = 0.00039937 Jy ! Total flux subtracted in 200 components = 0.00039937 Jy ! Clean residual min=-0.005842 max=0.006233 Jy/beam ! Clean residual mean=-0.000099 rms=0.001871 Jy/beam ! Combined flux in latest and established models = 1.34447 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 187 components and 1.34447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199050Jy sigma=0.001213 ! Fit after self-cal, rms=0.198975Jy sigma=0.001212 ! 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=3.282 mas, bmaj=11.71 mas, bpa=7.392 degrees ! Estimated noise=1321.93 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.282 x 11.71 at 7.392 degrees (North through East) ! Clean map min=-0.0061916 max=0.97563 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=0.198975Jy sigma=0.001212 ! Fit after self-cal, rms=0.194714Jy sigma=0.001066 ! Inverting map and beam ! Estimated beam: bmin=3.286 mas, bmaj=11.72 mas, bpa=7.451 degrees ! Estimated noise=1323.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00217857 Jy ! Component: 100 - total flux cleaned = 0.00174059 Jy ! Component: 150 - total flux cleaned = 0.00136563 Jy ! Component: 200 - total flux cleaned = 0.000921511 Jy ! Total flux subtracted in 200 components = 0.000921511 Jy ! Clean residual min=-0.006086 max=0.005466 Jy/beam ! Clean residual mean=-0.000115 rms=0.001561 Jy/beam ! Combined flux in latest and established models = 1.34539 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 214 components and 1.34539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194473Jy sigma=0.001065 ! Fit after self-cal, rms=0.194430Jy sigma=0.001064 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000724532 Jy ! Component: 100 - total flux cleaned = 0.000404441 Jy ! Component: 150 - total flux cleaned = 0.00012369 Jy ! Component: 200 - total flux cleaned = -0.000215165 Jy ! Total flux subtracted in 200 components = -0.000215165 Jy ! Clean residual min=-0.005920 max=0.005186 Jy/beam ! Clean residual mean=-0.000110 rms=0.001525 Jy/beam ! Combined flux in latest and established models = 1.34518 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 220 components and 1.34518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194291Jy sigma=0.001064 ! Fit after self-cal, rms=0.194261Jy sigma=0.001064 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194261Jy sigma=0.001064 ! Fit after self-cal, rms=0.194237Jy sigma=0.001063 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=2.578 mas, bmaj=9.42 mas, bpa=8.799 degrees ! Estimated noise=1963.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.761447 Jy ! Component: 100 - total flux cleaned = 0.982657 Jy ! Component: 150 - total flux cleaned = 1.08577 Jy ! Component: 200 - total flux cleaned = 1.15108 Jy ! Total flux subtracted in 200 components = 1.15108 Jy ! Clean residual min=-0.014054 max=0.035712 Jy/beam ! Clean residual mean=0.000371 rms=0.006259 Jy/beam ! Combined flux in latest and established models = 1.15108 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 1.15108 Jy ! Inverting map and beam ! Estimated beam: bmin=3.284 mas, bmaj=11.72 mas, bpa=7.43 degrees ! Estimated noise=1322.55 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 = 0.0862543 Jy ! Component: 100 - total flux cleaned = 0.130327 Jy ! Component: 150 - total flux cleaned = 0.155274 Jy ! Component: 200 - total flux cleaned = 0.170205 Jy ! Total flux subtracted in 200 components = 0.170205 Jy ! Clean residual min=-0.005594 max=0.007912 Jy/beam ! Clean residual mean=0.000883 rms=0.002050 Jy/beam ! Combined flux in latest and established models = 1.32129 Jy ! Adding 113 model components to the UV plane model. ! The established model now contains 134 components and 1.32129 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=8.672 mas, bmaj=21.8 mas, bpa=4.785 degrees ! Estimated noise=1606.79 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012446 Jy ! Component: 100 - total flux cleaned = 0.0180854 Jy ! Component: 150 - total flux cleaned = 0.0209448 Jy ! Component: 200 - total flux cleaned = 0.0212511 Jy ! Total flux subtracted in 200 components = 0.0212511 Jy ! Clean residual min=-0.004945 max=0.005306 Jy/beam ! Clean residual mean=-0.000030 rms=0.001589 Jy/beam ! Combined flux in latest and established models = 1.34254 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 = 7.12486e-05 Jy ! Component: 100 - total flux cleaned = 0.000135634 Jy ! Component: 150 - total flux cleaned = 0.00025758 Jy ! Component: 200 - total flux cleaned = 0.000313598 Jy ! Total flux subtracted in 200 components = 0.000313598 Jy ! Clean residual min=-0.004913 max=0.005268 Jy/beam ! Clean residual mean=-0.000056 rms=0.001563 Jy/beam ! Combined flux in latest and established models = 1.34285 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 188 components and 1.34285 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.284 mas, bmaj=11.72 mas, bpa=7.43 degrees ! Estimated noise=1322.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000217557 Jy ! Component: 100 - total flux cleaned = 0.000343482 Jy ! Component: 150 - total flux cleaned = 0.000571034 Jy ! Component: 200 - total flux cleaned = 0.000567234 Jy ! Total flux subtracted in 200 components = 0.000567234 Jy ! Clean residual min=-0.005319 max=0.005140 Jy/beam ! Clean residual mean=-0.000052 rms=0.001427 Jy/beam ! Combined flux in latest and established models = 1.34342 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 210 components and 1.34342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194080Jy sigma=0.001063 ! Fit after self-cal, rms=0.193953Jy sigma=0.001063 wmodel J1257-3155_S_2009_04_21_pus_map.mod ! Writing 210 model components to file: J1257-3155_S_2009_04_21_pus_map.mod wobs J1257-3155_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1257-3155_S_2009_04_21_pus_uvs.fits wwins J1257-3155_S_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J1257-3155_S_2009_04_21_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 = -0.000735814 Jy ! Component: 100 - total flux cleaned = -0.00147887 Jy ! Component: 150 - total flux cleaned = -0.00148233 Jy ! Component: 200 - total flux cleaned = -0.00170507 Jy ! Component: 250 - total flux cleaned = -0.00184772 Jy ! Component: 300 - total flux cleaned = -0.00205571 Jy ! Component: 350 - total flux cleaned = -0.00212309 Jy ! Component: 400 - total flux cleaned = -0.00218803 Jy ! Component: 450 - total flux cleaned = -0.00218696 Jy ! Component: 500 - total flux cleaned = -0.00218639 Jy ! Component: 550 - total flux cleaned = -0.00218567 Jy ! Component: 600 - total flux cleaned = -0.00218548 Jy ! Component: 650 - total flux cleaned = -0.0022444 Jy ! Component: 700 - total flux cleaned = -0.00224429 Jy ! Component: 750 - total flux cleaned = -0.00224428 Jy ! Component: 800 - total flux cleaned = -0.00224439 Jy ! Component: 850 - total flux cleaned = -0.00224466 Jy ! Component: 900 - total flux cleaned = -0.00224504 Jy ! Component: 950 - total flux cleaned = -0.00224555 Jy ! Component: 1000 - total flux cleaned = -0.00229826 Jy ! Component: 1050 - total flux cleaned = -0.00219458 Jy ! Component: 1100 - total flux cleaned = -0.00219518 Jy ! Component: 1150 - total flux cleaned = -0.00219577 Jy ! Component: 1200 - total flux cleaned = -0.002196 Jy ! Component: 1250 - total flux cleaned = -0.00224606 Jy ! Component: 1300 - total flux cleaned = -0.0022951 Jy ! Component: 1350 - total flux cleaned = -0.0023919 Jy ! Component: 1400 - total flux cleaned = -0.00239195 Jy ! Component: 1450 - total flux cleaned = -0.00248643 Jy ! Component: 1500 - total flux cleaned = -0.00248661 Jy ! Component: 1550 - total flux cleaned = -0.0026253 Jy ! Component: 1600 - total flux cleaned = -0.00262504 Jy ! Component: 1650 - total flux cleaned = -0.00267056 Jy ! Component: 1700 - total flux cleaned = -0.0027604 Jy ! Component: 1750 - total flux cleaned = -0.00276022 Jy ! Component: 1800 - total flux cleaned = -0.00280396 Jy ! Component: 1850 - total flux cleaned = -0.00280385 Jy ! Component: 1900 - total flux cleaned = -0.00280369 Jy ! Component: 1950 - total flux cleaned = -0.00284656 Jy ! Component: 2000 - total flux cleaned = -0.00284668 Jy ! Total flux subtracted in 2048 components = -0.0028469 Jy ! Clean residual min=-0.002551 max=0.002724 Jy/beam ! Clean residual mean=0.000047 rms=0.000920 Jy/beam ! Combined flux in latest and established models = 1.34057 Jy keep ! Adding 149 model components to the UV plane model. ! The established model now contains 359 components and 1.34057 Jy ![Exited script file: muppet] wmap "J1257-3155_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.284 x 11.72 at 7.43 degrees (North through East) ! Clean map min=-0.0042558 max=0.98809 Jy/beam ! Writing clean map to FITS file: J1257-3155_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.988091 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000905336 device "J1257-3155_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1257-3155_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.274874 0.274874 0.549748 1.0995 2.19899 4.39799 8.79597 17.5919 35.1839 70.3678 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.988 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.284 x 11.72 at 7.43 degrees (North through East) ! Clean map min=-0.0042558 max=0.98809 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1257-3155_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1257-3155_S_2009_04_21_pus_map.gif/vgif' mapplot cln