! Started logfile: J1407+2827_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:49:54 2010 obs J1407+2827_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1407+2827_X_2008_04_02_pus_uva.fits ! AN table 1: 98 integrations on 120 of 120 possible baselines. ! AN table 2: 137 integrations on 120 of 120 possible baselines. ! AN table 3: 34 integrations on 120 of 120 possible baselines. ! AN table 4: 61 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0861364 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1407+2827 ! ! 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 2284 lines of history. ! ! Reading 13644 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 = 0.2 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 = 512x512 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 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1238 telescope corrections were flagged in sub-array 1. ! A total of 1560 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.652947Jy sigma=0.003841 ! Fit after self-cal, rms=0.509513Jy sigma=0.002953 ! 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 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.085 mas, bmaj=1.423 mas, bpa=74.72 degrees ! Estimated noise=1346.26 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 = 0.646997 Jy ! Component: 100 - total flux cleaned = 0.887465 Jy ! Total flux subtracted in 100 components = 0.887465 Jy ! Clean residual min=-0.033079 max=0.107402 Jy/beam ! Clean residual mean=-0.000169 rms=0.011752 Jy/beam ! Combined flux in latest and established models = 0.887465 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.887465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375877Jy sigma=0.002591 ! Fit after self-cal, rms=0.372215Jy sigma=0.002585 ! Inverting map ! Your choice of large map pixels excluded 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.127464 Jy ! Component: 100 - total flux cleaned = 0.207521 Jy ! Total flux subtracted in 100 components = 0.207521 Jy ! Clean residual min=-0.022996 max=0.049097 Jy/beam ! Clean residual mean=-0.000138 rms=0.007190 Jy/beam ! Combined flux in latest and established models = 1.09499 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 39 components and 1.09499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317897Jy sigma=0.001821 ! Fit after self-cal, rms=0.317005Jy sigma=0.001818 ! Inverting map ! Your choice of large map pixels excluded 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Added new window around map position (-5.4, -4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0597024 Jy ! Component: 100 - total flux cleaned = 0.102875 Jy ! Total flux subtracted in 100 components = 0.102875 Jy ! Clean residual min=-0.020995 max=0.035160 Jy/beam ! Clean residual mean=-0.000149 rms=0.005645 Jy/beam ! Combined flux in latest and established models = 1.19786 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 51 components and 1.19786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301540Jy sigma=0.001591 ! Fit after self-cal, rms=0.301134Jy sigma=0.001587 ! Inverting map ! Your choice of large map pixels excluded 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Added new window around map position (-0.4, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396277 Jy ! Component: 100 - total flux cleaned = 0.0686949 Jy ! Total flux subtracted in 100 components = 0.0686949 Jy ! Clean residual min=-0.020323 max=0.021937 Jy/beam ! Clean residual mean=-0.000160 rms=0.004727 Jy/beam ! Combined flux in latest and established models = 1.26656 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 1.26656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294410Jy sigma=0.001473 ! Fit after self-cal, rms=0.293963Jy sigma=0.001470 ! Inverting map ! Your choice of large map pixels excluded 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 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 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.13 mas, bmaj=1.602 mas, bpa=78.17 degrees ! Estimated noise=875.36 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 = 0.0421676 Jy ! Component: 100 - total flux cleaned = 0.0706968 Jy ! Component: 150 - total flux cleaned = 0.091595 Jy ! Component: 200 - total flux cleaned = 0.107269 Jy ! Total flux subtracted in 200 components = 0.107269 Jy ! Clean residual min=-0.018293 max=0.019337 Jy/beam ! Clean residual mean=-0.000803 rms=0.004778 Jy/beam ! Combined flux in latest and established models = 1.37383 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 81 components and 1.37383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.288243Jy sigma=0.001370 ! Fit after self-cal, rms=0.287668Jy sigma=0.001366 ! Inverting map ! Your choice of large map pixels excluded 7.32% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HH 1.00* HN 1.04 ! KK 0.97 KP 1.00 LA 1.00 MK 0.95 ! NL 1.00 NY 1.00* ON 1.00* OV 0.98 ! PT 1.00 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.16 HN 1.12 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.10 ON 1.03 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.92 ZC 1.40 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KK 0.95 KP 1.04 LA 1.00* MK 0.94 ! NL 1.00* NY 1.00* ON 1.00* OV 0.97 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 0.97 HH 1.00* HN 0.97 ! KK 1.00* KP 0.98 LA 0.96 MK 1.00* ! NL 0.91 NY 1.00* ON 1.00* OV 0.99 ! PT 0.94 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HH 1.00* HN 1.04 ! KK 0.94 KP 0.95 LA 0.99 MK 0.97 ! NL 0.98 NY 1.00* ON 1.00* OV 0.96 ! PT 0.99 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.28 HN 1.06 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.09 ON 1.05 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.95 HH 1.00* HN 1.00* ! KK 0.97 KP 0.96 LA 1.00* MK 0.97 ! NL 1.00* NY 1.00* ON 1.00* OV 0.98 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 0.95 HH 1.00* HN 0.96 ! KK 1.00* KP 0.93 LA 0.95 MK 1.00* ! NL 0.90 NY 1.00* ON 1.00* OV 0.96 ! PT 0.94 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HH 1.00* HN 1.07 ! KK 1.05 KP 1.00 LA 1.06 MK 1.03 ! NL 1.02 NY 1.00* ON 1.00* OV 1.03 ! PT 1.02 SC 0.97 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.22 HN 1.11 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.19 ON 0.98 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.95 ZC 1.41 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.02 HH 1.00* HN 1.00* ! KK 1.30 KP 1.01 LA 1.00* MK 0.98 ! NL 1.00* NY 1.00* ON 1.00* OV 1.07 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 1.00 HH 1.00* HN 0.99 ! KK 1.00* KP 0.99 LA 1.01 MK 1.00* ! NL 0.96 NY 1.00* ON 1.00* OV 1.02 ! PT 0.96 SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HH 1.00* HN 1.08 ! KK 1.04 KP 1.00 LA 1.06 MK 1.04 ! NL 1.04 NY 1.00* ON 1.00* OV 1.03 ! PT 1.02 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.17 HN 1.13 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.11 ON 1.05 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.91 ZC 1.48 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.01 HH 1.00* HN 1.00* ! KK 1.07 KP 1.05 LA 1.00* MK 1.01 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.99 HH 1.00* HN 1.02 ! KK 1.00* KP 1.00 LA 1.01 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.04 ! PT 0.96 SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.287668Jy sigma=0.001366 ! Fit after self-cal, rms=0.338831Jy sigma=0.001244 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.16 mas, bmaj=1.64 mas, bpa=74.59 degrees ! Estimated noise=924.38 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-7, -3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0152069 Jy ! Component: 100 - total flux cleaned = 0.0192845 Jy ! Component: 150 - total flux cleaned = 0.0215273 Jy ! Component: 200 - total flux cleaned = 0.0224674 Jy ! Total flux subtracted in 200 components = 0.0224674 Jy ! Clean residual min=-0.012457 max=0.009610 Jy/beam ! Clean residual mean=-0.000549 rms=0.002446 Jy/beam ! Combined flux in latest and established models = 1.39629 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 98 components and 1.39629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.338007Jy sigma=0.001231 ! Fit after self-cal, rms=0.340230Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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=0.340230Jy sigma=0.001229 ! Fit after self-cal, rms=0.340815Jy sigma=0.001194 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.164 mas, bmaj=1.642 mas, bpa=74.56 degrees ! Estimated noise=926.232 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00643985 Jy ! Component: 100 - total flux cleaned = 0.00850873 Jy ! Component: 150 - total flux cleaned = 0.00988665 Jy ! Component: 200 - total flux cleaned = 0.0105875 Jy ! Total flux subtracted in 200 components = 0.0105875 Jy ! Clean residual min=-0.006548 max=0.006581 Jy/beam ! Clean residual mean=-0.000030 rms=0.001505 Jy/beam ! Combined flux in latest and established models = 1.40688 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 107 components and 1.40688 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340606Jy sigma=0.001191 ! Fit after self-cal, rms=0.340711Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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) ! Added new window around map position (3.4, 21). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00308235 Jy ! Component: 100 - total flux cleaned = 0.0034603 Jy ! Component: 150 - total flux cleaned = 0.00364294 Jy ! Component: 200 - total flux cleaned = 0.00380291 Jy ! Total flux subtracted in 200 components = 0.00380291 Jy ! Clean residual min=-0.006093 max=0.005494 Jy/beam ! Clean residual mean=-0.000038 rms=0.001406 Jy/beam ! Combined flux in latest and established models = 1.41068 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 121 components and 1.41068 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340419Jy sigma=0.001188 ! Fit after self-cal, rms=0.340434Jy sigma=0.001188 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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=0.340434Jy sigma=0.001188 ! Fit after self-cal, rms=0.342677Jy sigma=0.001187 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.171 mas, bmaj=1.643 mas, bpa=74.44 degrees ! Estimated noise=927.164 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00264355 Jy ! Component: 100 - total flux cleaned = 0.00300397 Jy ! Component: 150 - total flux cleaned = 0.00316739 Jy ! Component: 200 - total flux cleaned = 0.00316708 Jy ! Total flux subtracted in 200 components = 0.00316708 Jy ! Clean residual min=-0.005493 max=0.005349 Jy/beam ! Clean residual mean=-0.000050 rms=0.001354 Jy/beam ! Combined flux in latest and established models = 1.41385 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 122 components and 1.41385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342498Jy sigma=0.001186 ! Fit after self-cal, rms=0.342544Jy sigma=0.001186 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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 = 0.000356899 Jy ! Component: 100 - total flux cleaned = 0.000501015 Jy ! Component: 150 - total flux cleaned = 0.00064363 Jy ! Component: 200 - total flux cleaned = 0.000645335 Jy ! Total flux subtracted in 200 components = 0.000645335 Jy ! Clean residual min=-0.005286 max=0.005081 Jy/beam ! Clean residual mean=-0.000050 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 1.4145 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 124 components and 1.4145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342393Jy sigma=0.001185 ! Fit after self-cal, rms=0.342421Jy sigma=0.001185 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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=0.342421Jy sigma=0.001185 ! Fit after self-cal, rms=0.344695Jy sigma=0.001184 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=2.666 mas, bmaj=2.904 mas, bpa=13.24 degrees ! Estimated noise=987.613 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00366883 Jy ! Component: 100 - total flux cleaned = 0.00341262 Jy ! Component: 150 - total flux cleaned = 0.0029022 Jy ! Component: 200 - total flux cleaned = 0.00265204 Jy ! Total flux subtracted in 200 components = 0.00265204 Jy ! Clean residual min=-0.004604 max=0.003284 Jy/beam ! Clean residual mean=-0.000088 rms=0.001092 Jy/beam ! Combined flux in latest and established models = 1.41715 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 139 components and 1.41715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.344707Jy sigma=0.001184 ! Fit after self-cal, rms=0.344672Jy sigma=0.001184 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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 = 0.000284441 Jy ! Component: 100 - total flux cleaned = 0.000417424 Jy ! Component: 150 - total flux cleaned = 0.000199011 Jy ! Component: 200 - total flux cleaned = 1.84273e-06 Jy ! Total flux subtracted in 200 components = 1.84273e-06 Jy ! Clean residual min=-0.004464 max=0.003269 Jy/beam ! Clean residual mean=-0.000083 rms=0.001072 Jy/beam ! Combined flux in latest and established models = 1.41715 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 144 components and 1.41715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.344658Jy sigma=0.001183 ! Fit after self-cal, rms=0.344649Jy sigma=0.001183 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.176 mas, bmaj=1.643 mas, bpa=74.28 degrees ! Estimated noise=927.962 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.176 x 1.643 at 74.28 degrees (North through East) ! Clean map min=-0.0048814 max=0.79029 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=0.344649Jy sigma=0.001183 ! Fit after self-cal, rms=0.987824Jy sigma=0.001025 ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.172 mas, bmaj=1.645 mas, bpa=74.69 degrees ! Estimated noise=926.699 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000924896 Jy ! Component: 100 - total flux cleaned = 0.000909807 Jy ! Component: 150 - total flux cleaned = 0.00137191 Jy ! Component: 200 - total flux cleaned = 0.0015834 Jy ! Total flux subtracted in 200 components = 0.0015834 Jy ! Clean residual min=-0.004804 max=0.004834 Jy/beam ! Clean residual mean=-0.000053 rms=0.001149 Jy/beam ! Combined flux in latest and established models = 1.41873 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 149 components and 1.41873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.987762Jy sigma=0.001024 ! Fit after self-cal, rms=0.987959Jy sigma=0.001024 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000420824 Jy ! Component: 100 - total flux cleaned = 0.000414689 Jy ! Component: 150 - total flux cleaned = 0.000415103 Jy ! Component: 200 - total flux cleaned = 0.000510714 Jy ! Total flux subtracted in 200 components = 0.000510714 Jy ! Clean residual min=-0.004670 max=0.004748 Jy/beam ! Clean residual mean=-0.000053 rms=0.001121 Jy/beam ! Combined flux in latest and established models = 1.41924 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 155 components and 1.41924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.987914Jy sigma=0.001023 ! Fit after self-cal, rms=0.987965Jy sigma=0.001023 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Added new window around map position (-12.2, -18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113075 Jy ! Component: 100 - total flux cleaned = 0.00140795 Jy ! Component: 150 - total flux cleaned = 0.00140682 Jy ! Component: 200 - total flux cleaned = 0.00140953 Jy ! Total flux subtracted in 200 components = 0.00140953 Jy ! Clean residual min=-0.004475 max=0.004075 Jy/beam ! Clean residual mean=-0.000054 rms=0.001073 Jy/beam ! Combined flux in latest and established models = 1.42065 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 169 components and 1.42065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.987888Jy sigma=0.001022 ! Fit after self-cal, rms=0.987993Jy sigma=0.001022 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.987993Jy sigma=0.001022 ! Fit after self-cal, rms=1.466031Jy sigma=0.001021 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 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.095 mas, bmaj=1.421 mas, bpa=74.64 degrees ! Estimated noise=1410.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.644983 Jy ! Component: 100 - total flux cleaned = 0.89673 Jy ! Component: 150 - total flux cleaned = 1.02578 Jy ! Component: 200 - total flux cleaned = 1.10577 Jy ! Total flux subtracted in 200 components = 1.10577 Jy ! Clean residual min=-0.020133 max=0.044779 Jy/beam ! Clean residual mean=0.000036 rms=0.006232 Jy/beam ! Combined flux in latest and established models = 1.10577 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 30 model components to the UV plane model. ! The established model now contains 30 components and 1.10577 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.178 mas, bmaj=1.645 mas, bpa=74.65 degrees ! Estimated noise=927.167 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 = 0.0878178 Jy ! Component: 100 - total flux cleaned = 0.146792 Jy ! Component: 150 - total flux cleaned = 0.188056 Jy ! Component: 200 - total flux cleaned = 0.217705 Jy ! Total flux subtracted in 200 components = 0.217705 Jy ! Clean residual min=-0.008895 max=0.017345 Jy/beam ! Clean residual mean=-0.000042 rms=0.003203 Jy/beam ! Combined flux in latest and established models = 1.32347 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 66 components and 1.32347 Jy ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Added new window around map position (-1, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0219819 Jy ! Component: 100 - total flux cleaned = 0.0385938 Jy ! Component: 150 - total flux cleaned = 0.0514789 Jy ! Component: 200 - total flux cleaned = 0.0616354 Jy ! Total flux subtracted in 200 components = 0.0616354 Jy ! Clean residual min=-0.005603 max=0.006956 Jy/beam ! Clean residual mean=-0.000056 rms=0.001598 Jy/beam ! Combined flux in latest and established models = 1.38511 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 97 components and 1.38511 Jy ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Added new window around map position (-2.4, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00829974 Jy ! Component: 100 - total flux cleaned = 0.0149943 Jy ! Component: 150 - total flux cleaned = 0.019772 Jy ! Component: 200 - total flux cleaned = 0.0226009 Jy ! Total flux subtracted in 200 components = 0.0226009 Jy ! Clean residual min=-0.005400 max=0.004645 Jy/beam ! Clean residual mean=-0.000064 rms=0.001233 Jy/beam ! Combined flux in latest and established models = 1.40771 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 124 components and 1.40771 Jy ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 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 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=2.667 mas, bmaj=2.894 mas, bpa=12.71 degrees ! Estimated noise=987.151 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00569456 Jy ! Component: 100 - total flux cleaned = 0.00854177 Jy ! Component: 150 - total flux cleaned = 0.00975644 Jy ! Component: 200 - total flux cleaned = 0.0103563 Jy ! Total flux subtracted in 200 components = 0.0103563 Jy ! Clean residual min=-0.004988 max=0.003208 Jy/beam ! Clean residual mean=-0.000104 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 1.41806 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 = 0.000363794 Jy ! Component: 100 - total flux cleaned = 0.000447028 Jy ! Component: 150 - total flux cleaned = 0.000448287 Jy ! Component: 200 - total flux cleaned = 0.000451 Jy ! Total flux subtracted in 200 components = 0.000451 Jy ! Clean residual min=-0.004869 max=0.003170 Jy/beam ! Clean residual mean=-0.000097 rms=0.001032 Jy/beam ! Combined flux in latest and established models = 1.41852 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 183 components and 1.41852 Jy ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! Estimated beam: bmin=1.178 mas, bmaj=1.645 mas, bpa=74.65 degrees ! Estimated noise=927.167 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00180326 Jy ! Component: 100 - total flux cleaned = 0.00195124 Jy ! Component: 150 - total flux cleaned = 0.0020797 Jy ! Component: 200 - total flux cleaned = 0.00196118 Jy ! Total flux subtracted in 200 components = 0.00196118 Jy ! Clean residual min=-0.004938 max=0.003915 Jy/beam ! Clean residual mean=-0.000061 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 1.42048 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 200 components and 1.42048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.467473Jy sigma=0.001025 ! Fit after self-cal, rms=1.464959Jy sigma=0.001023 wmodel J1407+2827_X_2008_04_02_pus_map.mod ! Writing 200 model components to file: J1407+2827_X_2008_04_02_pus_map.mod wobs J1407+2827_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1407+2827_X_2008_04_02_pus_uvs.fits wwins J1407+2827_X_2008_04_02_pus_map.win ! wwins: Wrote 8 windows to J1407+2827_X_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00146775 Jy ! Component: 100 - total flux cleaned = -0.00146855 Jy ! Component: 150 - total flux cleaned = -0.00120543 Jy ! Component: 200 - total flux cleaned = -0.00101157 Jy ! Component: 250 - total flux cleaned = -0.000948143 Jy ! Component: 300 - total flux cleaned = -0.000643451 Jy ! Component: 350 - total flux cleaned = -0.000644636 Jy ! Component: 400 - total flux cleaned = -0.000819438 Jy ! Component: 450 - total flux cleaned = -0.00116329 Jy ! Component: 500 - total flux cleaned = -0.00133099 Jy ! Component: 550 - total flux cleaned = -0.00149681 Jy ! Component: 600 - total flux cleaned = -0.00165979 Jy ! Component: 650 - total flux cleaned = -0.00192623 Jy ! Component: 700 - total flux cleaned = -0.00182099 Jy ! Component: 750 - total flux cleaned = -0.00197664 Jy ! Component: 800 - total flux cleaned = -0.00212815 Jy ! Component: 850 - total flux cleaned = -0.00197707 Jy ! Component: 900 - total flux cleaned = -0.0020263 Jy ! Component: 950 - total flux cleaned = -0.00192817 Jy ! Component: 1000 - total flux cleaned = -0.0019285 Jy ! Component: 1050 - total flux cleaned = -0.00207149 Jy ! Component: 1100 - total flux cleaned = -0.00192959 Jy ! Component: 1150 - total flux cleaned = -0.00207013 Jy ! Component: 1200 - total flux cleaned = -0.00211571 Jy ! Component: 1250 - total flux cleaned = -0.00207039 Jy ! Component: 1300 - total flux cleaned = -0.00225112 Jy ! Component: 1350 - total flux cleaned = -0.00220661 Jy ! Component: 1400 - total flux cleaned = -0.00229486 Jy ! Component: 1450 - total flux cleaned = -0.00233841 Jy ! Component: 1500 - total flux cleaned = -0.00242522 Jy ! Component: 1550 - total flux cleaned = -0.00242499 Jy ! Component: 1600 - total flux cleaned = -0.0025529 Jy ! Component: 1650 - total flux cleaned = -0.00259464 Jy ! Component: 1700 - total flux cleaned = -0.00272054 Jy ! Component: 1750 - total flux cleaned = -0.00272036 Jy ! Component: 1800 - total flux cleaned = -0.00272053 Jy ! Component: 1850 - total flux cleaned = -0.00280287 Jy ! Component: 1900 - total flux cleaned = -0.00292475 Jy ! Component: 1950 - total flux cleaned = -0.0029649 Jy ! Component: 2000 - total flux cleaned = -0.00296522 Jy ! Total flux subtracted in 2048 components = -0.00332211 Jy ! Clean residual min=-0.002110 max=0.002279 Jy/beam ! Clean residual mean=-0.000042 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 1.41715 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 338 components and 1.41715 Jy wmap "J1407+2827_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.178 x 1.645 at 74.65 degrees (North through East) ! Clean map min=-0.0036869 max=0.78772 Jy/beam ! Writing clean map to FITS file: J1407+2827_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.787725 invert ! Inverting map ! Your choice of large map pixels excluded 7.74% of the data. ! The y-axis pixel size should ideally be below 0.1693 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000731135 device "J1407+2827_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1407+2827_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.278448 0.278448 0.556896 1.11379 2.22758 4.45517 8.91034 17.8207 35.6414 71.2827 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.787 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.178 x 1.645 at 74.65 degrees (North through East) ! Clean map min=-0.0036869 max=0.78772 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1407+2827_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1407+2827_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1407+2827_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:50:00 2010