! Started logfile: J1127-1857_X_2001_07_05_pus_uvs.log on Wed Jul 4 20:38:21 2007 obs J1127-1857_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J1127-1857_X_2001_07_05_pus_uva.fits ! AN table 1: 100 integrations on 171 of 171 possible baselines. ! AN table 2: 36 integrations on 171 of 171 possible baselines. ! AN table 3: 40 integrations on 171 of 171 possible baselines. ! AN table 4: 21 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.105115 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1127-1857 ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2370 lines of history. ! ! Reading 14164 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1391 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 733 telescope corrections were flagged in sub-array 3. ! A total of 180 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1391 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 733 telescope corrections were flagged in sub-array 3. ! A total of 180 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1391 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 733 telescope corrections were flagged in sub-array 3. ! A total of 180 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1391 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 733 telescope corrections were flagged in sub-array 3. ! A total of 180 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.966909Jy sigma=0.007243 ! Fit after self-cal, rms=0.297845Jy sigma=0.002130 ! 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 ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.5809 mas, bmaj=1.201 mas, bpa=1.899 degrees ! Estimated noise=1344.9 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 = 0.805246 Jy ! Component: 100 - total flux cleaned = 1.01234 Jy ! Total flux subtracted in 100 components = 1.01234 Jy ! Clean residual min=-0.037383 max=0.087795 Jy/beam ! Clean residual mean=0.000599 rms=0.011822 Jy/beam ! Combined flux in latest and established models = 1.01234 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.01234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280797Jy sigma=0.002048 ! Fit after self-cal, rms=0.280633Jy sigma=0.002047 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0994278 Jy ! Component: 100 - total flux cleaned = 0.155756 Jy ! Total flux subtracted in 100 components = 0.155756 Jy ! Clean residual min=-0.031633 max=0.036825 Jy/beam ! Clean residual mean=-0.000159 rms=0.008322 Jy/beam ! Combined flux in latest and established models = 1.1681 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 1.1681 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255358Jy sigma=0.001675 ! Fit after self-cal, rms=0.255180Jy sigma=0.001673 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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 ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.815 mas, bmaj=1.681 mas, bpa=0.02108 degrees ! Estimated noise=803.908 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 = 0.018807 Jy ! Component: 100 - total flux cleaned = 0.0250881 Jy ! Component: 150 - total flux cleaned = 0.0269875 Jy ! Component: 200 - total flux cleaned = 0.0269961 Jy ! Total flux subtracted in 200 components = 0.0269961 Jy ! Clean residual min=-0.034510 max=0.025285 Jy/beam ! Clean residual mean=-0.001541 rms=0.008703 Jy/beam ! Combined flux in latest and established models = 1.19509 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 1.19509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254972Jy sigma=0.001655 ! Fit after self-cal, rms=0.254956Jy sigma=0.001655 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.05 GC 1.00* GG 1.00* ! HH 0.99 HN 0.88 KK 0.96 KP 1.26 ! LA 1.06 MC 1.30 MK 0.96 NL 1.08 ! NY 1.00* OV 1.01 PT 1.10 SC 0.92 ! TS 1.00* WF 1.18 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 0.89 KK 1.00* KP 0.92 ! LA 0.95 MC 1.00* MK 1.05 NL 0.98 ! NY 1.00* OV 0.97 PT 0.95 SC 0.96 ! TS 1.00* WF 0.96 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.12 KK 0.94 KP 0.98 ! LA 0.95 MC 1.00* MK 0.94 NL 0.97 ! NY 1.00* OV 0.97 PT 0.98 SC 1.00 ! TS 1.00* WF 1.10 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.04 GC 1.00* GG 1.00* ! HH 1.09 HN 0.86 KK 0.95 KP 1.25 ! LA 1.06 MC 1.35 MK 0.95 NL 1.05 ! NY 1.00* OV 1.02 PT 1.06 SC 0.87 ! TS 1.00* WF 1.14 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 0.89 KK 1.00* KP 0.92 ! LA 0.94 MC 1.00* MK 1.04 NL 0.93 ! NY 1.00* OV 0.96 PT 0.92 SC 0.92 ! TS 1.00* WF 0.97 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.15 KK 0.93 KP 0.99 ! LA 0.94 MC 1.00* MK 0.95 NL 0.95 ! NY 1.00* OV 0.97 PT 0.95 SC 0.97 ! TS 1.00* WF 1.07 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 GC 1.00* GG 1.00* ! HH 1.18 HN 0.88 KK 0.96 KP 1.30 ! LA 1.07 MC 1.37 MK 0.98 NL 1.06 ! NY 1.00* OV 1.06 PT 1.06 SC 0.90 ! TS 1.00* WF 1.15 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 0.89 KK 1.00* KP 0.97 ! LA 0.96 MC 1.00* MK 1.08 NL 0.95 ! NY 1.00* OV 0.98 PT 0.94 SC 0.93 ! TS 1.00* WF 0.97 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 1.16 KK 0.92 KP 1.04 ! LA 0.97 MC 1.00* MK 0.97 NL 0.97 ! NY 1.00* OV 1.01 PT 0.95 SC 0.97 ! TS 1.00* WF 1.03 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 GC 1.00* GG 1.00* ! HH 1.34 HN 0.91 KK 0.98 KP 1.25 ! LA 1.07 MC 1.35 MK 1.00 NL 1.08 ! NY 1.00* OV 1.00 PT 1.06 SC 0.93 ! TS 1.00* WF 1.17 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.91 GC 1.00* GG 1.00* ! HH 1.00* HN 0.91 KK 1.00* KP 0.93 ! LA 0.94 MC 1.00* MK 1.11 NL 0.96 ! NY 1.00* OV 0.96 PT 0.95 SC 1.00 ! TS 1.00* WF 0.94 WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.93 GC 1.00* GG 1.00* ! HH 1.00* HN 1.20 KK 0.92 KP 1.00 ! LA 0.95 MC 1.00* MK 0.99 NL 0.98 ! NY 1.00* OV 0.98 PT 0.96 SC 1.03 ! TS 1.00* WF 1.08 WZ 1.00* ! ! ! Fit before self-cal, rms=0.254956Jy sigma=0.001655 ! Fit after self-cal, rms=0.232865Jy sigma=0.001233 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.8311 mas, bmaj=1.853 mas, bpa=-1.976 degrees ! Estimated noise=812.264 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 = -0.000233557 Jy ! Component: 100 - total flux cleaned = -0.000223496 Jy ! Component: 150 - total flux cleaned = -0.000236235 Jy ! Component: 200 - total flux cleaned = -0.000389437 Jy ! Total flux subtracted in 200 components = -0.000389437 Jy ! Clean residual min=-0.005439 max=0.005396 Jy/beam ! Clean residual mean=0.000317 rms=0.001538 Jy/beam ! Combined flux in latest and established models = 1.1947 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 27 components and 1.1947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232626Jy sigma=0.001231 ! Fit after self-cal, rms=0.232960Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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=0.232960Jy sigma=0.001230 ! Fit after self-cal, rms=0.233423Jy sigma=0.001226 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.8324 mas, bmaj=1.856 mas, bpa=-2.029 degrees ! Estimated noise=812.313 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000567687 Jy ! Component: 100 - total flux cleaned = -0.000723493 Jy ! Component: 150 - total flux cleaned = -0.00072352 Jy ! Component: 200 - total flux cleaned = -0.00085542 Jy ! Total flux subtracted in 200 components = -0.00085542 Jy ! Clean residual min=-0.005420 max=0.004415 Jy/beam ! Clean residual mean=0.000042 rms=0.001299 Jy/beam ! Combined flux in latest and established models = 1.19385 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 28 components and 1.19385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233265Jy sigma=0.001224 ! Fit after self-cal, rms=0.233263Jy sigma=0.001224 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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 = -0.000123454 Jy ! Component: 100 - total flux cleaned = -0.000119637 Jy ! Component: 150 - total flux cleaned = -0.000218163 Jy ! Component: 200 - total flux cleaned = -0.000216941 Jy ! Total flux subtracted in 200 components = -0.000216941 Jy ! Clean residual min=-0.005366 max=0.004115 Jy/beam ! Clean residual mean=0.000051 rms=0.001269 Jy/beam ! Combined flux in latest and established models = 1.19363 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 29 components and 1.19363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233197Jy sigma=0.001224 ! Fit after self-cal, rms=0.233188Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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=0.233188Jy sigma=0.001224 ! Fit after self-cal, rms=0.234520Jy sigma=0.001223 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.8341 mas, bmaj=1.862 mas, bpa=-2.09 degrees ! Estimated noise=812.607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000448183 Jy ! Component: 100 - total flux cleaned = -0.000451516 Jy ! Component: 150 - total flux cleaned = -0.000565218 Jy ! Component: 200 - total flux cleaned = -0.000668788 Jy ! Total flux subtracted in 200 components = -0.000668788 Jy ! Clean residual min=-0.005025 max=0.004247 Jy/beam ! Clean residual mean=0.000072 rms=0.001220 Jy/beam ! Combined flux in latest and established models = 1.19296 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 29 components and 1.19296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234423Jy sigma=0.001222 ! Fit after self-cal, rms=0.234422Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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 = 2.69463e-06 Jy ! Component: 100 - total flux cleaned = -1.35963e-06 Jy ! Component: 150 - total flux cleaned = -1.99224e-06 Jy ! Component: 200 - total flux cleaned = 7.20702e-05 Jy ! Total flux subtracted in 200 components = 7.20702e-05 Jy ! Clean residual min=-0.004967 max=0.004155 Jy/beam ! Clean residual mean=0.000071 rms=0.001201 Jy/beam ! Combined flux in latest and established models = 1.19303 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 30 components and 1.19303 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234381Jy sigma=0.001222 ! Fit after self-cal, rms=0.234374Jy sigma=0.001222 ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234374Jy sigma=0.001222 ! Fit after self-cal, rms=0.235266Jy sigma=0.001222 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=2.029 mas, bmaj=3.877 mas, bpa=-3.974 degrees ! Estimated noise=999.653 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00106594 Jy ! Component: 100 - total flux cleaned = 0.00106503 Jy ! Component: 150 - total flux cleaned = 0.0010648 Jy ! Component: 200 - total flux cleaned = 0.00106606 Jy ! Total flux subtracted in 200 components = 0.00106606 Jy ! Clean residual min=-0.004946 max=0.003881 Jy/beam ! Clean residual mean=0.000096 rms=0.001424 Jy/beam ! Combined flux in latest and established models = 1.1941 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 30 components and 1.1941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235263Jy sigma=0.001222 ! Fit after self-cal, rms=0.235254Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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 = 0.000123224 Jy ! Component: 100 - total flux cleaned = 0.00012269 Jy ! Component: 150 - total flux cleaned = 0.000125095 Jy ! Component: 200 - total flux cleaned = 0.000128302 Jy ! Total flux subtracted in 200 components = 0.000128302 Jy ! Clean residual min=-0.004938 max=0.003820 Jy/beam ! Clean residual mean=0.000089 rms=0.001419 Jy/beam ! Combined flux in latest and established models = 1.19423 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 31 components and 1.19423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235253Jy sigma=0.001222 ! Fit after self-cal, rms=0.235238Jy sigma=0.001222 ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec 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 ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.8353 mas, bmaj=1.865 mas, bpa=-2.122 degrees ! Estimated noise=812.828 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8353 x 1.865 at -2.122 degrees (North through East) ! Clean map min=-0.0042814 max=1.085 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=0.235238Jy sigma=0.001222 ! Fit after self-cal, rms=0.228773Jy sigma=0.001133 ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.835 mas, bmaj=1.862 mas, bpa=-2.095 degrees ! Estimated noise=812.582 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000813578 Jy ! Component: 100 - total flux cleaned = -0.000902308 Jy ! Component: 150 - total flux cleaned = -0.000900391 Jy ! Component: 200 - total flux cleaned = -0.000901171 Jy ! Total flux subtracted in 200 components = -0.000901171 Jy ! Clean residual min=-0.004663 max=0.003894 Jy/beam ! Clean residual mean=0.000045 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 1.19333 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 31 components and 1.19333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228720Jy sigma=0.001133 ! Fit after self-cal, rms=0.228712Jy sigma=0.001133 ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.08015e-08 Jy ! Component: 100 - total flux cleaned = 6.9068e-05 Jy ! Component: 150 - total flux cleaned = 0.000138061 Jy ! Component: 200 - total flux cleaned = 0.000200277 Jy ! Total flux subtracted in 200 components = 0.000200277 Jy ! Clean residual min=-0.004606 max=0.003973 Jy/beam ! Clean residual mean=0.000041 rms=0.001118 Jy/beam ! Combined flux in latest and established models = 1.19353 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 31 components and 1.19353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228686Jy sigma=0.001132 ! Fit after self-cal, rms=0.228681Jy sigma=0.001132 ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228681Jy sigma=0.001132 ! Fit after self-cal, rms=0.229365Jy sigma=0.001132 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 ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.6025 mas, bmaj=1.411 mas, bpa=0.3708 degrees ! Estimated noise=1352.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.822035 Jy ! Component: 100 - total flux cleaned = 1.01172 Jy ! Component: 150 - total flux cleaned = 1.08565 Jy ! Component: 200 - total flux cleaned = 1.12682 Jy ! Total flux subtracted in 200 components = 1.12682 Jy ! Clean residual min=-0.008547 max=0.022212 Jy/beam ! Clean residual mean=0.000366 rms=0.003009 Jy/beam ! Combined flux in latest and established models = 1.12682 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 19 model components to the UV plane model. ! The established model now contains 19 components and 1.12682 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.8358 mas, bmaj=1.865 mas, bpa=-2.123 degrees ! Estimated noise=812.519 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 = 0.0363213 Jy ! Component: 100 - total flux cleaned = 0.0523493 Jy ! Component: 150 - total flux cleaned = 0.0598617 Jy ! Component: 200 - total flux cleaned = 0.0621778 Jy ! Total flux subtracted in 200 components = 0.0621778 Jy ! Clean residual min=-0.003990 max=0.005706 Jy/beam ! Clean residual mean=0.000154 rms=0.001172 Jy/beam ! Combined flux in latest and established models = 1.18899 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 1.18899 Jy ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Added new window around map position (0, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0037776 Jy ! Component: 100 - total flux cleaned = 0.00484317 Jy ! Component: 150 - total flux cleaned = 0.00535634 Jy ! Component: 200 - total flux cleaned = 0.00581346 Jy ! Total flux subtracted in 200 components = 0.00581346 Jy ! Clean residual min=-0.003851 max=0.003734 Jy/beam ! Clean residual mean=-0.000003 rms=0.001035 Jy/beam ! Combined flux in latest and established models = 1.19481 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 40 components and 1.19481 Jy ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=2.029 mas, bmaj=3.874 mas, bpa=-3.95 degrees ! Estimated noise=999.246 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0018902 Jy ! Component: 100 - total flux cleaned = 0.00206973 Jy ! Component: 150 - total flux cleaned = 0.00218056 Jy ! Component: 200 - total flux cleaned = 0.00224099 Jy ! Total flux subtracted in 200 components = 0.00224099 Jy ! Clean residual min=-0.004350 max=0.003013 Jy/beam ! Clean residual mean=-0.000143 rms=0.001191 Jy/beam ! Combined flux in latest and established models = 1.19705 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 = 2.7989e-05 Jy ! Component: 100 - total flux cleaned = 7.89587e-05 Jy ! Component: 150 - total flux cleaned = 0.000125299 Jy ! Component: 200 - total flux cleaned = 0.000125745 Jy ! Total flux subtracted in 200 components = 0.000125745 Jy ! Clean residual min=-0.004304 max=0.002986 Jy/beam ! Clean residual mean=-0.000150 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 1.19717 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 53 components and 1.19717 Jy ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! Estimated beam: bmin=0.8358 mas, bmaj=1.865 mas, bpa=-2.123 degrees ! Estimated noise=812.519 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000665318 Jy ! Component: 100 - total flux cleaned = -0.000750986 Jy ! Component: 150 - total flux cleaned = -0.000748463 Jy ! Component: 200 - total flux cleaned = -0.000747864 Jy ! Total flux subtracted in 200 components = -0.000747864 Jy ! Clean residual min=-0.003601 max=0.003542 Jy/beam ! Clean residual mean=-0.000045 rms=0.000990 Jy/beam ! Combined flux in latest and established models = 1.19643 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 1.19643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228950Jy sigma=0.001131 ! Fit after self-cal, rms=0.228862Jy sigma=0.001130 wmodel J1127-1857_X_2001_07_05_pus_map.mod ! Writing 58 model components to file: J1127-1857_X_2001_07_05_pus_map.mod wobs J1127-1857_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J1127-1857_X_2001_07_05_pus_uvs.fits wwins J1127-1857_X_2001_07_05_pus_map.win ! wwins: Wrote 2 windows to J1127-1857_X_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 ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000628468 Jy ! Component: 100 - total flux cleaned = -0.000868425 Jy ! Component: 150 - total flux cleaned = -0.000811164 Jy ! Component: 200 - total flux cleaned = -0.00070492 Jy ! Component: 250 - total flux cleaned = -0.00045259 Jy ! Component: 300 - total flux cleaned = -0.000306337 Jy ! Component: 350 - total flux cleaned = -0.000258372 Jy ! Component: 400 - total flux cleaned = -0.000349945 Jy ! Component: 450 - total flux cleaned = -0.000528229 Jy ! Component: 500 - total flux cleaned = -0.000659116 Jy ! Component: 550 - total flux cleaned = -0.000787211 Jy ! Component: 600 - total flux cleaned = -0.000829222 Jy ! Component: 650 - total flux cleaned = -0.000911004 Jy ! Component: 700 - total flux cleaned = -0.000951223 Jy ! Component: 750 - total flux cleaned = -0.00103002 Jy ! Component: 800 - total flux cleaned = -0.00106896 Jy ! Component: 850 - total flux cleaned = -0.00110708 Jy ! Component: 900 - total flux cleaned = -0.00118243 Jy ! Component: 950 - total flux cleaned = -0.00118232 Jy ! Component: 1000 - total flux cleaned = -0.00118266 Jy ! Total flux subtracted in 1024 components = -0.00129292 Jy ! Clean residual min=-0.002122 max=0.002145 Jy/beam ! Clean residual mean=-0.000020 rms=0.000735 Jy/beam ! Combined flux in latest and established models = 1.19513 Jy keep ! Adding 73 model components to the UV plane model. ! The established model now contains 131 components and 1.19513 Jy wmap "J1127-1857_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8358 x 1.865 at -2.123 degrees (North through East) ! Clean map min=-0.0027747 max=1.0847 Jy/beam ! Writing clean map to FITS file: J1127-1857_X_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 1.08473 invert ! Inverting map ! Your choice of large map pixels excluded 5.35% of the data. ! The x-axis pixel size should ideally be below 0.1611 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000738175 device "J1127-1857_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1127-1857_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.204154 0.204154 0.408308 0.816615 1.63323 3.26646 6.53292 13.0658 26.1317 52.2634 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.084 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8358 x 1.865 at -2.123 degrees (North through East) ! Clean map min=-0.0027747 max=1.0847 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1127-1857_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1127-1857_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1127-1857_X_2001_07_05_pus_uvs.log closed on Wed Jul 4 20:39:14 2007