! Started logfile: J0457-2324_S_2001_07_05_pus_uvs.log on Fri Aug 10 00:15:36 2007 obs J0457-2324_S_2001_07_05_pus_uva.fits ! Reading UV FITS file: J0457-2324_S_2001_07_05_pus_uva.fits ! AN table 1: 90 integrations on 171 of 171 possible baselines. ! AN table 2: 25 integrations on 171 of 171 possible baselines. ! AN table 3: 57 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0610295 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1774 lines of history. ! ! Reading 7180 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 1492 telescope corrections were flagged in sub-array 1. ! A total of 402 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1492 telescope corrections were flagged in sub-array 1. ! A total of 402 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1492 telescope corrections were flagged in sub-array 1. ! A total of 402 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1498 telescope corrections were flagged in sub-array 1. ! A total of 402 telescope corrections were flagged in sub-array 2. ! A total of 809 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.566793Jy sigma=0.003896 ! Fit after self-cal, rms=0.297106Jy sigma=0.001888 ! 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=1.922 mas, bmaj=4.495 mas, bpa=20.98 degrees ! Estimated noise=1913.24 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 = 0.783105 Jy ! Component: 100 - total flux cleaned = 0.995211 Jy ! Total flux subtracted in 100 components = 0.995211 Jy ! Clean residual min=-0.032788 max=0.080354 Jy/beam ! Clean residual mean=0.000653 rms=0.010461 Jy/beam ! Combined flux in latest and established models = 0.995211 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.995211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281678Jy sigma=0.001864 ! Fit after self-cal, rms=0.281811Jy sigma=0.001864 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0874315 Jy ! Component: 100 - total flux cleaned = 0.134777 Jy ! Total flux subtracted in 100 components = 0.134777 Jy ! Clean residual min=-0.027027 max=0.043777 Jy/beam ! Clean residual mean=0.000056 rms=0.007679 Jy/beam ! Combined flux in latest and established models = 1.12999 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 1.12999 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252295Jy sigma=0.001559 ! Fit after self-cal, rms=0.252191Jy sigma=0.001558 ! 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=2.54 mas, bmaj=5.601 mas, bpa=14.85 degrees ! Estimated noise=1221.61 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 (-4, 13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0356013 Jy ! Component: 100 - total flux cleaned = 0.0466417 Jy ! Component: 150 - total flux cleaned = 0.0477198 Jy ! Component: 200 - total flux cleaned = 0.0486322 Jy ! Total flux subtracted in 200 components = 0.0486322 Jy ! Clean residual min=-0.018760 max=0.023962 Jy/beam ! Clean residual mean=-0.002044 rms=0.004954 Jy/beam ! Combined flux in latest and established models = 1.17862 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 40 components and 1.17862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247489Jy sigma=0.001510 ! Fit after self-cal, rms=0.247245Jy sigma=0.001508 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.10 HN 1.00 KK 1.00* KP 0.90 ! LA 1.01 MC 1.00 MK 1.00* NL 1.07 ! NY 1.00* OV 1.06 PT 1.00 SC 0.97 ! TS 1.00* WF 0.98 WZ 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.97 KP 1.15 ! LA 1.00* MC 1.00* MK 0.91 NL 1.00* ! NY 1.00* OV 1.14 PT 1.16 SC 1.00* ! TS 0.98 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 0.93 KK 1.00* KP 0.98 ! LA 1.00 MC 1.00* MK 0.98 NL 0.98 ! NY 1.00* OV 0.94 PT 0.96 SC 0.97 ! TS 1.00* WF 1.15 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.09 HN 0.99 KK 1.00* KP 0.91 ! LA 0.98 MC 1.03 MK 1.00* NL 1.05 ! NY 1.00* OV 1.05 PT 1.06 SC 0.99 ! TS 1.00* WF 0.96 WZ 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.97 KP 1.10 ! LA 1.00* MC 1.00* MK 0.94 NL 1.00* ! NY 1.00* OV 1.32 PT 1.14 SC 1.00* ! TS 0.94 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 0.93 KK 1.00* KP 0.85 ! LA 0.96 MC 1.00* MK 0.98 NL 0.96 ! NY 1.00* OV 0.98 PT 1.02 SC 0.98 ! TS 1.00* WF 1.16 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HH 1.09 HN 1.06 KK 1.00* KP 1.06 ! LA 1.03 MC 0.99 MK 1.00* NL 1.09 ! NY 1.00* OV 1.06 PT 1.02 SC 0.98 ! TS 1.00* WF 1.01 WZ 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.01 KP 1.24 ! LA 1.00* MC 1.00* MK 0.97 NL 1.00* ! NY 1.00* OV 1.23 PT 1.16 SC 1.00* ! TS 0.96 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.93 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00 KK 1.00* KP 1.03 ! LA 0.97 MC 1.00* MK 1.00 NL 1.01 ! NY 1.00* OV 1.00 PT 1.00 SC 0.97 ! TS 1.00* WF 1.22 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.09 HN 0.91 KK 1.00* KP 1.06 ! LA 1.03 MC 1.17 MK 1.00* NL 1.08 ! NY 1.00* OV 1.07 PT 1.08 SC 0.97 ! TS 1.00* WF 0.98 WZ 1.37 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00 KP 1.14 ! LA 1.00* MC 1.00* MK 0.93 NL 1.00* ! NY 1.00* OV 1.22 PT 1.18 SC 1.00* ! TS 0.97 WF 1.00* WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 0.91 KK 1.00* KP 1.05 ! LA 0.98 MC 1.00* MK 1.00 NL 0.98 ! NY 1.00* OV 0.96 PT 1.04 SC 0.96 ! TS 1.00* WF 1.33 WZ 1.00* ! ! ! Fit before self-cal, rms=0.247245Jy sigma=0.001508 ! Fit after self-cal, rms=0.235060Jy sigma=0.001317 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.619 mas, bmaj=6.122 mas, bpa=14.87 degrees ! Estimated noise=1256.14 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000842397 Jy ! Component: 100 - total flux cleaned = -0.000542798 Jy ! Component: 150 - total flux cleaned = -0.000535753 Jy ! Component: 200 - total flux cleaned = -0.000530097 Jy ! Total flux subtracted in 200 components = -0.000530097 Jy ! Clean residual min=-0.009069 max=0.012836 Jy/beam ! Clean residual mean=0.000479 rms=0.002597 Jy/beam ! Combined flux in latest and established models = 1.17809 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 55 components and 1.17809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234060Jy sigma=0.001312 ! Fit after self-cal, rms=0.234454Jy sigma=0.001311 ! 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=0.234454Jy sigma=0.001311 ! Fit after self-cal, rms=0.246311Jy sigma=0.001269 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.599 mas, bmaj=6.154 mas, bpa=15.37 degrees ! Estimated noise=1257.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00137418 Jy ! Component: 100 - total flux cleaned = -0.000523262 Jy ! Component: 150 - total flux cleaned = -0.000140566 Jy ! Component: 200 - total flux cleaned = 0.000300129 Jy ! Total flux subtracted in 200 components = 0.000300129 Jy ! Clean residual min=-0.007125 max=0.008965 Jy/beam ! Clean residual mean=-0.000099 rms=0.001754 Jy/beam ! Combined flux in latest and established models = 1.17839 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 1.17839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246045Jy sigma=0.001266 ! Fit after self-cal, rms=0.246284Jy sigma=0.001266 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 (-3.5, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00783733 Jy ! Component: 100 - total flux cleaned = 0.00843705 Jy ! Component: 150 - total flux cleaned = 0.00786243 Jy ! Component: 200 - total flux cleaned = 0.00735889 Jy ! Total flux subtracted in 200 components = 0.00735889 Jy ! Clean residual min=-0.007209 max=0.005450 Jy/beam ! Clean residual mean=-0.000223 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 1.18575 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 82 components and 1.18575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245922Jy sigma=0.001262 ! Fit after self-cal, rms=0.245859Jy sigma=0.001262 ! 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=0.245859Jy sigma=0.001262 ! Fit after self-cal, rms=0.246954Jy sigma=0.001261 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.598 mas, bmaj=6.147 mas, bpa=15.42 degrees ! Estimated noise=1257.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150303 Jy ! Component: 100 - total flux cleaned = 0.00265637 Jy ! Component: 150 - total flux cleaned = 0.00311707 Jy ! Component: 200 - total flux cleaned = 0.00331543 Jy ! Total flux subtracted in 200 components = 0.00331543 Jy ! Clean residual min=-0.006821 max=0.004752 Jy/beam ! Clean residual mean=-0.000224 rms=0.001411 Jy/beam ! Combined flux in latest and established models = 1.18906 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 1.18906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246766Jy sigma=0.001260 ! Fit after self-cal, rms=0.246758Jy 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000119936 Jy ! Component: 100 - total flux cleaned = 0.000123639 Jy ! Component: 150 - total flux cleaned = 4.91377e-05 Jy ! Component: 200 - total flux cleaned = -2.07496e-05 Jy ! Total flux subtracted in 200 components = -2.07496e-05 Jy ! Clean residual min=-0.006856 max=0.004750 Jy/beam ! Clean residual mean=-0.000224 rms=0.001378 Jy/beam ! Combined flux in latest and established models = 1.18904 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 98 components and 1.18904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246687Jy sigma=0.001259 ! Fit after self-cal, rms=0.246672Jy sigma=0.001259 ! 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=0.246672Jy sigma=0.001259 ! Fit after self-cal, rms=0.246749Jy sigma=0.001259 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.329 mas, bmaj=15.55 mas, bpa=-2.629 degrees ! Estimated noise=1591.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000310283 Jy ! Component: 100 - total flux cleaned = 0.000377316 Jy ! Component: 150 - total flux cleaned = 0.000380531 Jy ! Component: 200 - total flux cleaned = 0.000382026 Jy ! Total flux subtracted in 200 components = 0.000382026 Jy ! Clean residual min=-0.005236 max=0.004722 Jy/beam ! Clean residual mean=-0.000418 rms=0.001568 Jy/beam ! Combined flux in latest and established models = 1.18943 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 108 components and 1.18943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246695Jy sigma=0.001258 ! Fit after self-cal, rms=0.246686Jy sigma=0.001258 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 = -7.78802e-05 Jy ! Component: 100 - total flux cleaned = -0.000132422 Jy ! Component: 150 - total flux cleaned = -0.000136116 Jy ! Component: 200 - total flux cleaned = -0.000138883 Jy ! Total flux subtracted in 200 components = -0.000138883 Jy ! Clean residual min=-0.005271 max=0.004637 Jy/beam ! Clean residual mean=-0.000413 rms=0.001547 Jy/beam ! Combined flux in latest and established models = 1.18929 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 129 components and 1.18929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246667Jy sigma=0.001258 ! Fit after self-cal, rms=0.246662Jy sigma=0.001258 ! 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=2.598 mas, bmaj=6.144 mas, bpa=15.44 degrees ! Estimated noise=1256.78 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.598 x 6.144 at 15.44 degrees (North through East) ! Clean map min=-0.0060287 max=1.0291 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=0.246662Jy sigma=0.001258 ! Fit after self-cal, rms=0.393976Jy sigma=0.001121 ! Inverting map and beam ! Estimated beam: bmin=2.6 mas, bmaj=6.146 mas, bpa=15.4 degrees ! Estimated noise=1255.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000327716 Jy ! Component: 100 - total flux cleaned = 0.000491211 Jy ! Component: 150 - total flux cleaned = 0.00049267 Jy ! Component: 200 - total flux cleaned = 0.000375655 Jy ! Total flux subtracted in 200 components = 0.000375655 Jy ! Clean residual min=-0.005859 max=0.004558 Jy/beam ! Clean residual mean=-0.000253 rms=0.001255 Jy/beam ! Combined flux in latest and established models = 1.18966 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 143 components and 1.18966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393897Jy sigma=0.001121 ! Fit after self-cal, rms=0.393969Jy sigma=0.001120 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.53841e-05 Jy ! Component: 100 - total flux cleaned = 3.79537e-05 Jy ! Component: 150 - total flux cleaned = -1.313e-05 Jy ! Component: 200 - total flux cleaned = -1.28474e-05 Jy ! Total flux subtracted in 200 components = -1.28474e-05 Jy ! Clean residual min=-0.005838 max=0.004555 Jy/beam ! Clean residual mean=-0.000253 rms=0.001246 Jy/beam ! Combined flux in latest and established models = 1.18965 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 151 components and 1.18965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393904Jy sigma=0.001120 ! Fit after self-cal, rms=0.393900Jy sigma=0.001120 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393900Jy sigma=0.001120 ! Fit after self-cal, rms=0.558273Jy sigma=0.001120 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=1.968 mas, bmaj=4.787 mas, bpa=19.64 degrees ! Estimated noise=2016.57 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.800295 Jy ! Component: 100 - total flux cleaned = 1.00143 Jy ! Component: 150 - total flux cleaned = 1.07252 Jy ! Component: 200 - total flux cleaned = 1.10999 Jy ! Total flux subtracted in 200 components = 1.10999 Jy ! Clean residual min=-0.010882 max=0.019074 Jy/beam ! Clean residual mean=0.000272 rms=0.003120 Jy/beam ! Combined flux in latest and established models = 1.10999 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 1.10999 Jy ! Inverting map and beam ! Estimated beam: bmin=2.601 mas, bmaj=6.145 mas, bpa=15.4 degrees ! Estimated noise=1255.61 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 = 0.0339006 Jy ! Component: 100 - total flux cleaned = 0.0520262 Jy ! Component: 150 - total flux cleaned = 0.0630233 Jy ! Component: 200 - total flux cleaned = 0.0702637 Jy ! Total flux subtracted in 200 components = 0.0702637 Jy ! Clean residual min=-0.004965 max=0.004342 Jy/beam ! Clean residual mean=-0.000107 rms=0.001405 Jy/beam ! Combined flux in latest and established models = 1.18026 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 64 components and 1.18026 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=7.323 mas, bmaj=15.55 mas, bpa=-2.695 degrees ! Estimated noise=1590.14 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00646061 Jy ! Component: 100 - total flux cleaned = 0.00762462 Jy ! Component: 150 - total flux cleaned = 0.0081673 Jy ! Component: 200 - total flux cleaned = 0.00851023 Jy ! Total flux subtracted in 200 components = 0.00851023 Jy ! Clean residual min=-0.005515 max=0.004278 Jy/beam ! Clean residual mean=-0.000555 rms=0.001432 Jy/beam ! Combined flux in latest and established models = 1.18877 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 = 0.000263395 Jy ! Component: 100 - total flux cleaned = 0.000428228 Jy ! Component: 150 - total flux cleaned = 0.000392149 Jy ! Component: 200 - total flux cleaned = 0.000393125 Jy ! Total flux subtracted in 200 components = 0.000393125 Jy ! Clean residual min=-0.005273 max=0.004154 Jy/beam ! Clean residual mean=-0.000569 rms=0.001412 Jy/beam ! Combined flux in latest and established models = 1.18916 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 126 components and 1.18916 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.601 mas, bmaj=6.145 mas, bpa=15.4 degrees ! Estimated noise=1255.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000796464 Jy ! Component: 100 - total flux cleaned = 0.000964687 Jy ! Component: 150 - total flux cleaned = 0.00104135 Jy ! Component: 200 - total flux cleaned = 0.00111374 Jy ! Total flux subtracted in 200 components = 0.00111374 Jy ! Clean residual min=-0.005155 max=0.004346 Jy/beam ! Clean residual mean=-0.000276 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 1.19028 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 141 components and 1.19027 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.558257Jy sigma=0.001121 ! Fit after self-cal, rms=0.557739Jy sigma=0.001121 wmodel J0457-2324_S_2001_07_05_pus_map.mod ! Writing 141 model components to file: J0457-2324_S_2001_07_05_pus_map.mod wobs J0457-2324_S_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J0457-2324_S_2001_07_05_pus_uvs.fits wwins J0457-2324_S_2001_07_05_pus_map.win ! wwins: Wrote 3 windows to J0457-2324_S_2001_07_05_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 = -0.00231246 Jy ! Component: 100 - total flux cleaned = -0.0037686 Jy ! Component: 150 - total flux cleaned = -0.00491431 Jy ! Component: 200 - total flux cleaned = -0.00571796 Jy ! Component: 250 - total flux cleaned = -0.00649428 Jy ! Component: 300 - total flux cleaned = -0.00704262 Jy ! Component: 350 - total flux cleaned = -0.00744352 Jy ! Component: 400 - total flux cleaned = -0.00790081 Jy ! Component: 450 - total flux cleaned = -0.0083483 Jy ! Component: 500 - total flux cleaned = -0.00872426 Jy ! Component: 550 - total flux cleaned = -0.00890835 Jy ! Component: 600 - total flux cleaned = -0.00915012 Jy ! Component: 650 - total flux cleaned = -0.0093885 Jy ! Component: 700 - total flux cleaned = -0.00956454 Jy ! Component: 750 - total flux cleaned = -0.00973818 Jy ! Component: 800 - total flux cleaned = -0.0100237 Jy ! Component: 850 - total flux cleaned = -0.0100799 Jy ! Component: 900 - total flux cleaned = -0.010192 Jy ! Component: 950 - total flux cleaned = -0.0103581 Jy ! Component: 1000 - total flux cleaned = -0.0106297 Jy ! Component: 1050 - total flux cleaned = -0.0108437 Jy ! Component: 1100 - total flux cleaned = -0.0108966 Jy ! Component: 1150 - total flux cleaned = -0.0110015 Jy ! Component: 1200 - total flux cleaned = -0.0110533 Jy ! Component: 1250 - total flux cleaned = -0.0112582 Jy ! Component: 1300 - total flux cleaned = -0.0114093 Jy ! Component: 1350 - total flux cleaned = -0.011359 Jy ! Component: 1400 - total flux cleaned = -0.0114581 Jy ! Component: 1450 - total flux cleaned = -0.0115076 Jy ! Component: 1500 - total flux cleaned = -0.0116052 Jy ! Component: 1550 - total flux cleaned = -0.0117011 Jy ! Component: 1600 - total flux cleaned = -0.011796 Jy ! Component: 1650 - total flux cleaned = -0.0117017 Jy ! Component: 1700 - total flux cleaned = -0.0118887 Jy ! Component: 1750 - total flux cleaned = -0.0119808 Jy ! Component: 1800 - total flux cleaned = -0.0120265 Jy ! Component: 1850 - total flux cleaned = -0.0120721 Jy ! Component: 1900 - total flux cleaned = -0.0121624 Jy ! Component: 1950 - total flux cleaned = -0.0122518 Jy ! Component: 2000 - total flux cleaned = -0.0122958 Jy ! Total flux subtracted in 2048 components = -0.0123399 Jy ! Clean residual min=-0.002548 max=0.002918 Jy/beam ! Clean residual mean=-0.000066 rms=0.000841 Jy/beam ! Combined flux in latest and established models = 1.17793 Jy keep ! Adding 129 model components to the UV plane model. ! The established model now contains 270 components and 1.17794 Jy wmap "J0457-2324_S_2001_07_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.601 x 6.145 at 15.4 degrees (North through East) ! Clean map min=-0.0050603 max=1.0409 Jy/beam ! Writing clean map to FITS file: J0457-2324_S_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.04087 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000838004 device "J0457-2324_S_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_S_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.241529 0.241529 0.483058 0.966115 1.93223 3.86446 7.72892 15.4578 30.9157 61.8314 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.04 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.601 x 6.145 at 15.4 degrees (North through East) ! Clean map min=-0.0050603 max=1.0409 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_S_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_S_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_S_2001_07_05_pus_uvs.log closed on Fri Aug 10 00:16:48 2007