! Started logfile: J1957-3845_S_2003_07_09_pus_uvs.log on Mon Apr 8 12:10:56 2013 obs J1957-3845_S_2003_07_09_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2003_07_09_pus_uva.fits ! AN table 1: 68 integrations on 171 of 171 possible baselines. ! AN table 2: 71 integrations on 171 of 171 possible baselines. ! AN table 3: 588 integrations on 171 of 171 possible baselines. ! AN table 4: 155 integrations on 171 of 171 possible baselines. ! AN table 5: 186 integrations on 171 of 171 possible baselines. ! AN table 6: 32 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0339553 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! 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. ! 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 2.23697e+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 1520 lines of history. ! ! Reading 25548 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J1957-3845_S_2003_07_09_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 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9381 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9381 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9382 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 4. ! A total of 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9382 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=1.734253Jy sigma=0.009327 ! Fit after self-cal, rms=1.311796Jy sigma=0.007200 ! 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=2.35 mas, bmaj=5.106 mas, bpa=-12.15 degrees ! Estimated noise=2337.29 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 = 1.56059 Jy ! Component: 100 - total flux cleaned = 1.90781 Jy ! Total flux subtracted in 100 components = 1.90781 Jy ! Clean residual min=-0.083540 max=0.122052 Jy/beam ! Clean residual mean=0.000871 rms=0.025627 Jy/beam ! Combined flux in latest and established models = 1.90781 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.90781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.786934Jy sigma=0.003219 ! Fit after self-cal, rms=0.786958Jy sigma=0.003219 ! 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=3.039 mas, bmaj=5.376 mas, bpa=-11.04 degrees ! Estimated noise=917.509 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 = 0.200925 Jy ! Component: 100 - total flux cleaned = 0.28496 Jy ! Component: 150 - total flux cleaned = 0.322615 Jy ! Component: 200 - total flux cleaned = 0.327171 Jy ! Total flux subtracted in 200 components = 0.327171 Jy ! Clean residual min=-0.067732 max=0.076575 Jy/beam ! Clean residual mean=0.000315 rms=0.018851 Jy/beam ! Combined flux in latest and established models = 2.23498 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 2.23498 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.750559Jy sigma=0.002793 ! Fit after self-cal, rms=0.750344Jy sigma=0.002793 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.17 GC 1.00* GG 1.00* ! HN 1.00* KP 0.90 LA 1.19 MA 1.00* ! MK 0.94 NL 1.39 NY 1.00* ON 1.00* ! OV 0.97 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 246 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.16 GC 1.00* GG 1.00* ! HN 1.00* KP 0.84 LA 1.19 MA 1.00* ! MK 0.98 NL 1.08 NY 1.00* ON 1.00* ! OV 0.98 PT 1.05 SC 0.85 TC 1.02 ! TS 1.00* WF 1.25 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.15 GC 1.00* GG 1.00* ! HN 1.00* KP 0.84 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.68 PT 1.06 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.08 GC 1.00* GG 1.00* ! HN 1.00* KP 0.99 LA 1.13 MA 1.00* ! MK 0.99 NL 1.41 NY 1.00* ON 1.00* ! OV 0.99 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 246 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.07 GC 1.00* GG 1.00* ! HN 1.00* KP 0.92 LA 1.12 MA 1.00* ! MK 1.06 NL 1.12 NY 1.00* ON 1.00* ! OV 1.03 PT 1.03 SC 0.89 TC 1.06 ! TS 1.00* WF 1.28 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.05 GC 1.00* GG 1.00* ! HN 1.00* KP 0.91 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.84 PT 1.08 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 GC 1.00* GG 1.00* ! HN 1.00* KP 0.97 LA 0.91 MA 1.00* ! MK 0.95 NL 1.50 NY 1.00* ON 1.00* ! OV 1.03 PT 1.07 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 249 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HN 1.00* KP 0.94 LA 0.92 MA 1.00* ! MK 1.00 NL 1.15 NY 1.00* ON 1.00* ! OV 1.04 PT 1.06 SC 1.03 TC 0.93 ! TS 1.00* WF 1.28 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HN 1.00* KP 0.95 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.80 PT 1.11 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GC 1.00* GG 1.00* ! HN 1.00* KP 0.97 LA 0.74 MA 1.00* ! MK 0.93 NL 1.40 NY 1.00* ON 1.00* ! OV 0.92 PT 1.02 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 249 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.90 GC 1.00* GG 1.00* ! HN 1.00* KP 0.91 LA 0.74 MA 1.00* ! MK 0.94 NL 1.08 NY 1.00* ON 1.00* ! OV 0.86 PT 1.02 SC 1.03 TC 0.95 ! TS 1.00* WF 1.30 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 0.90 GC 1.00* GG 1.00* ! HN 1.00* KP 0.90 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.71 PT 1.09 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.750344Jy sigma=0.002793 ! Fit after self-cal, rms=0.677377Jy sigma=0.001700 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.075 mas, bmaj=5.45 mas, bpa=-10.47 degrees ! Estimated noise=913.146 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 = 0.00751784 Jy ! Component: 100 - total flux cleaned = 0.00858342 Jy ! Component: 150 - total flux cleaned = 0.00923089 Jy ! Component: 200 - total flux cleaned = 0.00942331 Jy ! Total flux subtracted in 200 components = 0.00942331 Jy ! Clean residual min=-0.019320 max=0.020843 Jy/beam ! Clean residual mean=0.000165 rms=0.005386 Jy/beam ! Combined flux in latest and established models = 2.2444 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 2.2444 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.676823Jy sigma=0.001699 ! Fit after self-cal, rms=0.678743Jy sigma=0.001699 ! 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=0.678743Jy sigma=0.001699 ! Fit after self-cal, rms=0.654685Jy sigma=0.001656 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.082 mas, bmaj=5.44 mas, bpa=-10.48 degrees ! Estimated noise=915.923 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384715 Jy ! Component: 100 - total flux cleaned = 0.00415172 Jy ! Component: 150 - total flux cleaned = 0.00454292 Jy ! Component: 200 - total flux cleaned = 0.00477158 Jy ! Total flux subtracted in 200 components = 0.00477158 Jy ! Clean residual min=-0.013505 max=0.011747 Jy/beam ! Clean residual mean=0.000204 rms=0.003123 Jy/beam ! Combined flux in latest and established models = 2.24917 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 41 components and 2.24917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.654584Jy sigma=0.001656 ! Fit after self-cal, rms=0.654182Jy sigma=0.001656 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 = -0.000200646 Jy ! Component: 100 - total flux cleaned = -9.59431e-05 Jy ! Component: 150 - total flux cleaned = -0.000100264 Jy ! Component: 200 - total flux cleaned = -0.000104395 Jy ! Total flux subtracted in 200 components = -0.000104395 Jy ! Clean residual min=-0.013478 max=0.011699 Jy/beam ! Clean residual mean=0.000206 rms=0.003088 Jy/beam ! Combined flux in latest and established models = 2.24907 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 2.24907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.654149Jy sigma=0.001655 ! Fit after self-cal, rms=0.654129Jy sigma=0.001655 ! 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=0.654129Jy sigma=0.001655 ! Fit after self-cal, rms=0.655620Jy sigma=0.001636 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.081 mas, bmaj=5.434 mas, bpa=-10.48 degrees ! Estimated noise=921.376 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108548 Jy ! Component: 100 - total flux cleaned = 0.0138431 Jy ! Component: 150 - total flux cleaned = 0.014181 Jy ! Component: 200 - total flux cleaned = 0.014372 Jy ! Total flux subtracted in 200 components = 0.014372 Jy ! Clean residual min=-0.012856 max=0.009699 Jy/beam ! Clean residual mean=-0.000009 rms=0.003248 Jy/beam ! Combined flux in latest and established models = 2.26344 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 48 components and 2.26344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.655399Jy sigma=0.001636 ! Fit after self-cal, rms=0.655359Jy sigma=0.001636 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 = 9.11491e-05 Jy ! Component: 100 - total flux cleaned = 9.37709e-05 Jy ! Component: 150 - total flux cleaned = 9.33119e-05 Jy ! Component: 200 - total flux cleaned = 1.53845e-05 Jy ! Total flux subtracted in 200 components = 1.53845e-05 Jy ! Clean residual min=-0.012932 max=0.009737 Jy/beam ! Clean residual mean=-0.000009 rms=0.003221 Jy/beam ! Combined flux in latest and established models = 2.26345 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 48 components and 2.26345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.655339Jy sigma=0.001635 ! Fit after self-cal, rms=0.655325Jy sigma=0.001635 ! 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=0.655325Jy sigma=0.001635 ! Fit after self-cal, rms=0.657656Jy sigma=0.001625 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.767 mas, bmaj=26.65 mas, bpa=-6.711 degrees ! Estimated noise=1025.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125249 Jy ! Component: 100 - total flux cleaned = 0.0155652 Jy ! Component: 150 - total flux cleaned = 0.0156318 Jy ! Component: 200 - total flux cleaned = 0.0156403 Jy ! Total flux subtracted in 200 components = 0.0156403 Jy ! Clean residual min=-0.011182 max=0.009896 Jy/beam ! Clean residual mean=-0.000013 rms=0.003617 Jy/beam ! Combined flux in latest and established models = 2.27909 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 52 components and 2.27909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.657572Jy sigma=0.001626 ! Fit after self-cal, rms=0.657521Jy sigma=0.001626 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 = -2.33896e-05 Jy ! Component: 100 - total flux cleaned = -3.28648e-05 Jy ! Component: 150 - total flux cleaned = -3.78024e-05 Jy ! Component: 200 - total flux cleaned = -4.09319e-05 Jy ! Total flux subtracted in 200 components = -4.09319e-05 Jy ! Clean residual min=-0.011143 max=0.009851 Jy/beam ! Clean residual mean=-0.000012 rms=0.003607 Jy/beam ! Combined flux in latest and established models = 2.27905 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 52 components and 2.27905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.657535Jy sigma=0.001626 ! Fit after self-cal, rms=0.657531Jy sigma=0.001626 ! 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=3.08 mas, bmaj=5.43 mas, bpa=-10.47 degrees ! Estimated noise=926.642 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.08 x 5.43 at -10.47 degrees (North through East) ! Clean map min=-0.011771 max=2.0959 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=0.657531Jy sigma=0.001626 ! Fit after self-cal, rms=0.629299Jy sigma=0.001157 ! Inverting map and beam ! Estimated beam: bmin=3.081 mas, bmaj=5.431 mas, bpa=-10.3 degrees ! Estimated noise=925.488 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117171 Jy ! Component: 100 - total flux cleaned = -0.0011703 Jy ! Component: 150 - total flux cleaned = -0.00107976 Jy ! Component: 200 - total flux cleaned = -0.00107899 Jy ! Total flux subtracted in 200 components = -0.00107899 Jy ! Clean residual min=-0.007200 max=0.007939 Jy/beam ! Clean residual mean=0.000107 rms=0.001874 Jy/beam ! Combined flux in latest and established models = 2.27797 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 55 components and 2.27797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.629257Jy sigma=0.001157 ! Fit after self-cal, rms=0.629254Jy sigma=0.001157 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.25721e-05 Jy ! Component: 100 - total flux cleaned = 4.5338e-05 Jy ! Component: 150 - total flux cleaned = 0.00011547 Jy ! Component: 200 - total flux cleaned = 0.0001148 Jy ! Total flux subtracted in 200 components = 0.0001148 Jy ! Clean residual min=-0.007037 max=0.007840 Jy/beam ! Clean residual mean=0.000107 rms=0.001855 Jy/beam ! Combined flux in latest and established models = 2.27809 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 58 components and 2.27809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.629232Jy sigma=0.001157 ! Fit after self-cal, rms=0.629221Jy sigma=0.001157 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.629221Jy sigma=0.001157 ! Fit after self-cal, rms=0.630513Jy sigma=0.001157 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=2.356 mas, bmaj=5.104 mas, bpa=-11.82 degrees ! Estimated noise=2411.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.59651 Jy ! Component: 100 - total flux cleaned = 1.95244 Jy ! Component: 150 - total flux cleaned = 2.09138 Jy ! Component: 200 - total flux cleaned = 2.16618 Jy ! Total flux subtracted in 200 components = 2.16618 Jy ! Clean residual min=-0.018826 max=0.037155 Jy/beam ! Clean residual mean=0.000322 rms=0.005918 Jy/beam ! Combined flux in latest and established models = 2.16618 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 17 model components to the UV plane model. ! The established model now contains 17 components and 2.16618 Jy ! Inverting map and beam ! Estimated beam: bmin=3.083 mas, bmaj=5.433 mas, bpa=-10.31 degrees ! Estimated noise=925.721 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 = 0.0622725 Jy ! Component: 100 - total flux cleaned = 0.0899117 Jy ! Component: 150 - total flux cleaned = 0.102472 Jy ! Component: 200 - total flux cleaned = 0.108209 Jy ! Total flux subtracted in 200 components = 0.108209 Jy ! Clean residual min=-0.006285 max=0.007749 Jy/beam ! Clean residual mean=0.000114 rms=0.001908 Jy/beam ! Combined flux in latest and established models = 2.27439 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 35 components and 2.27439 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=8.76 mas, bmaj=26.66 mas, bpa=-6.714 degrees ! Estimated noise=1025.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00386123 Jy ! Component: 100 - total flux cleaned = 0.00393844 Jy ! Component: 150 - total flux cleaned = 0.0039514 Jy ! Component: 200 - total flux cleaned = 0.00398748 Jy ! Total flux subtracted in 200 components = 0.00398748 Jy ! Clean residual min=-0.005517 max=0.009352 Jy/beam ! Clean residual mean=0.000214 rms=0.002748 Jy/beam ! Combined flux in latest and established models = 2.27838 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 = 2.3593e-06 Jy ! Component: 100 - total flux cleaned = 7.54145e-06 Jy ! Component: 150 - total flux cleaned = 9.55004e-06 Jy ! Component: 200 - total flux cleaned = 1.17478e-05 Jy ! Total flux subtracted in 200 components = 1.17478e-05 Jy ! Clean residual min=-0.005479 max=0.009326 Jy/beam ! Clean residual mean=0.000214 rms=0.002730 Jy/beam ! Combined flux in latest and established models = 2.27839 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 45 components and 2.27839 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.083 mas, bmaj=5.433 mas, bpa=-10.31 degrees ! Estimated noise=925.721 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000924523 Jy ! Component: 100 - total flux cleaned = -0.00102483 Jy ! Component: 150 - total flux cleaned = -0.000857909 Jy ! Component: 200 - total flux cleaned = -0.000720515 Jy ! Total flux subtracted in 200 components = -0.000720515 Jy ! Clean residual min=-0.006042 max=0.007837 Jy/beam ! Clean residual mean=0.000107 rms=0.001805 Jy/beam ! Combined flux in latest and established models = 2.27767 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 55 components and 2.27767 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.630565Jy sigma=0.001157 ! Fit after self-cal, rms=0.630464Jy sigma=0.001156 wmodel J1957-3845_S_2003_07_09_pus_map.mod ! Writing 55 model components to file: J1957-3845_S_2003_07_09_pus_map.mod wobs J1957-3845_S_2003_07_09_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2003_07_09_pus_uvs.fits wwins J1957-3845_S_2003_07_09_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_S_2003_07_09_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 = 0.00305189 Jy ! Component: 100 - total flux cleaned = 0.00372353 Jy ! Component: 150 - total flux cleaned = 0.00343152 Jy ! Component: 200 - total flux cleaned = 0.00334478 Jy ! Component: 250 - total flux cleaned = 0.0034279 Jy ! Component: 300 - total flux cleaned = 0.00397727 Jy ! Component: 350 - total flux cleaned = 0.00442725 Jy ! Component: 400 - total flux cleaned = 0.00471428 Jy ! Component: 450 - total flux cleaned = 0.00492053 Jy ! Component: 500 - total flux cleaned = 0.00512226 Jy ! Component: 550 - total flux cleaned = 0.00551526 Jy ! Component: 600 - total flux cleaned = 0.00595863 Jy ! Component: 650 - total flux cleaned = 0.00614265 Jy ! Component: 700 - total flux cleaned = 0.00638316 Jy ! Component: 750 - total flux cleaned = 0.00661843 Jy ! Component: 800 - total flux cleaned = 0.00702074 Jy ! Component: 850 - total flux cleaned = 0.00718897 Jy ! Component: 900 - total flux cleaned = 0.00740995 Jy ! Component: 950 - total flux cleaned = 0.00773178 Jy ! Component: 1000 - total flux cleaned = 0.00794057 Jy ! Component: 1050 - total flux cleaned = 0.00809432 Jy ! Component: 1100 - total flux cleaned = 0.00829597 Jy ! Component: 1150 - total flux cleaned = 0.00849457 Jy ! Component: 1200 - total flux cleaned = 0.0087876 Jy ! Component: 1250 - total flux cleaned = 0.00907507 Jy ! Component: 1300 - total flux cleaned = 0.00940519 Jy ! Component: 1350 - total flux cleaned = 0.00959072 Jy ! Component: 1400 - total flux cleaned = 0.00981935 Jy ! Component: 1450 - total flux cleaned = 0.0101354 Jy ! Component: 1500 - total flux cleaned = 0.0103578 Jy ! Component: 1550 - total flux cleaned = 0.0105333 Jy ! Component: 1600 - total flux cleaned = 0.0107931 Jy ! Component: 1650 - total flux cleaned = 0.0110502 Jy ! Component: 1700 - total flux cleaned = 0.0112624 Jy ! Component: 1750 - total flux cleaned = 0.01143 Jy ! Component: 1800 - total flux cleaned = 0.011596 Jy ! Component: 1850 - total flux cleaned = 0.0117191 Jy ! Component: 1900 - total flux cleaned = 0.0118817 Jy ! Component: 1950 - total flux cleaned = 0.0120831 Jy ! Component: 2000 - total flux cleaned = 0.0122027 Jy ! Total flux subtracted in 2048 components = 0.012361 Jy ! Clean residual min=-0.002094 max=0.002139 Jy/beam ! Clean residual mean=0.000035 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 2.29003 Jy keep ! Adding 108 model components to the UV plane model. ! The established model now contains 163 components and 2.29003 Jy ![Exited script file: muppet] wmap "J1957-3845_S_2003_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.083 x 5.433 at -10.31 degrees (North through East) ! Clean map min=-0.0046664 max=2.086 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2003_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.08599 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000711689 device "J1957-3845_S_2003_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2003_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.102353 0.102353 0.204706 0.409412 0.818823 1.63765 3.27529 6.55059 13.1012 26.2023 52.4047 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.085 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.083 x 5.433 at -10.31 degrees (North through East) ! Clean map min=-0.0046664 max=2.086 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1957-3845_S_2003_07_09_pus_uvs.log closed on Mon Apr 8 12:11:13 2013