! Started logfile: J1409-2657_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:44:22 2011 obs J1409-2657_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1409-2657_X_2009_04_21_pus_uva.fits ! AN table 1: 12 integrations on 120 of 120 possible baselines. ! AN table 2: 26 integrations on 120 of 120 possible baselines. ! AN table 3: 41 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.190084 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1409-2657 ! ! 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 3297 lines of history. ! ! Reading 7208 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 ![@muppet J1409-2657_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 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 73 telescope corrections were flagged in sub-array 1. ! A total of 231 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 73 telescope corrections were flagged in sub-array 1. ! A total of 231 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 73 telescope corrections were flagged in sub-array 1. ! A total of 231 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 73 telescope corrections were flagged in sub-array 1. ! A total of 231 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.778998Jy sigma=0.005629 ! Fit after self-cal, rms=0.516730Jy sigma=0.003716 ! 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 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6868 mas, bmaj=1.896 mas, bpa=-5.912 degrees ! Estimated noise=1571.61 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.40887 Jy ! Component: 100 - total flux cleaned = 0.556588 Jy ! Total flux subtracted in 100 components = 0.556588 Jy ! Clean residual min=-0.023078 max=0.067518 Jy/beam ! Clean residual mean=-0.000150 rms=0.007603 Jy/beam ! Combined flux in latest and established models = 0.556588 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.556588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262320Jy sigma=0.001872 ! Fit after self-cal, rms=0.262204Jy sigma=0.001871 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0769371 Jy ! Component: 100 - total flux cleaned = 0.122519 Jy ! Total flux subtracted in 100 components = 0.122519 Jy ! Clean residual min=-0.018670 max=0.029597 Jy/beam ! Clean residual mean=-0.000017 rms=0.005105 Jy/beam ! Combined flux in latest and established models = 0.679107 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.679107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224821Jy sigma=0.001543 ! Fit after self-cal, rms=0.224755Jy sigma=0.001542 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1947 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 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8551 mas, bmaj=2.313 mas, bpa=-6.07 degrees ! Estimated noise=1119.26 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 (1, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0550057 Jy ! Component: 100 - total flux cleaned = 0.0870602 Jy ! Component: 150 - total flux cleaned = 0.106398 Jy ! Component: 200 - total flux cleaned = 0.118605 Jy ! Total flux subtracted in 200 components = 0.118605 Jy ! Clean residual min=-0.021353 max=0.022831 Jy/beam ! Clean residual mean=0.000310 rms=0.005630 Jy/beam ! Combined flux in latest and established models = 0.797711 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 53 components and 0.797711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210751Jy sigma=0.001426 ! Fit after self-cal, rms=0.210471Jy sigma=0.001424 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec 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 1.02 FD 0.85 HN 1.17 KB 1.00* ! KK 1.00* KP 0.92 LA 1.12 MK 1.00 ! NL 0.97 NY 1.00* OV 1.06 PT 1.04 ! SC 0.96 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.83 HN 1.14 KB 1.00* ! KK 1.00* KP 0.91 LA 1.11 MK 1.00* ! NL 1.02 NY 1.00* OV 1.02 PT 1.03 ! SC 0.95 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.82 HN 1.23 KB 1.00* ! KK 1.15 KP 0.90 LA 1.10 MK 0.91 ! NL 0.90 NY 1.00* OV 1.00 PT 0.98 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.85 HN 1.19 KB 1.00* ! KK 1.00* KP 0.88 LA 1.09 MK 0.97 ! NL 0.98 NY 1.00* OV 1.04 PT 1.12 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.86 HN 1.11 KB 1.00* ! KK 1.00* KP 0.87 LA 1.12 MK 1.00* ! NL 1.00 NY 1.00* OV 1.02 PT 1.08 ! SC 0.94 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.84 HN 1.26 KB 1.00* ! KK 1.13 KP 0.85 LA 1.07 MK 0.99 ! NL 0.90 NY 1.00* OV 0.94 PT 1.05 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.85 HN 1.25 KB 1.00* ! KK 1.00* KP 0.79 LA 1.17 MK 1.15 ! NL 0.98 NY 1.00* OV 1.04 PT 1.11 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.88 HN 1.09 KB 1.00* ! KK 1.00* KP 0.78 LA 1.15 MK 1.00* ! NL 1.02 NY 1.00* OV 1.06 PT 1.10 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.82 HN 1.24 KB 1.00* ! KK 1.12 KP 0.79 LA 1.10 MK 1.02 ! NL 0.95 NY 1.00* OV 1.00 PT 1.03 ! SC 1.03 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.87 HN 1.18 KB 1.00* ! KK 1.00* KP 0.85 LA 1.16 MK 1.09 ! NL 1.00 NY 1.00* OV 1.09 PT 1.10 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.87 HN 1.15 KB 1.00* ! KK 1.00* KP 0.86 LA 1.10 MK 1.00* ! NL 1.04 NY 1.00* OV 1.06 PT 1.07 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.87 HN 1.25 KB 1.00* ! KK 1.16 KP 0.83 LA 1.10 MK 1.05 ! NL 0.96 NY 1.00* OV 0.99 PT 1.04 ! SC 1.03 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.210471Jy sigma=0.001424 ! Fit after self-cal, rms=0.194771Jy sigma=0.001248 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8733 mas, bmaj=2.411 mas, bpa=-6.479 degrees ! Estimated noise=1133.88 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 = -0.00368568 Jy ! Component: 100 - total flux cleaned = -0.00416055 Jy ! Component: 150 - total flux cleaned = -0.00425902 Jy ! Component: 200 - total flux cleaned = -0.00425939 Jy ! Total flux subtracted in 200 components = -0.00425939 Jy ! Clean residual min=-0.004598 max=0.005312 Jy/beam ! Clean residual mean=0.000025 rms=0.001345 Jy/beam ! Combined flux in latest and established models = 0.793452 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 70 components and 0.793452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194587Jy sigma=0.001247 ! Fit after self-cal, rms=0.195013Jy sigma=0.001246 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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=0.195013Jy sigma=0.001246 ! Fit after self-cal, rms=0.194961Jy sigma=0.001246 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8735 mas, bmaj=2.409 mas, bpa=-6.442 degrees ! Estimated noise=1131.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00341748 Jy ! Component: 100 - total flux cleaned = -0.0037799 Jy ! Component: 150 - total flux cleaned = -0.00385881 Jy ! Component: 200 - total flux cleaned = -0.00393152 Jy ! Total flux subtracted in 200 components = -0.00393152 Jy ! Clean residual min=-0.004437 max=0.005308 Jy/beam ! Clean residual mean=0.000025 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 0.78952 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 74 components and 0.78952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194841Jy sigma=0.001245 ! Fit after self-cal, rms=0.194850Jy sigma=0.001245 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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 = -0.000233434 Jy ! Component: 100 - total flux cleaned = -0.000168591 Jy ! Component: 150 - total flux cleaned = -0.000168393 Jy ! Component: 200 - total flux cleaned = -0.000169441 Jy ! Total flux subtracted in 200 components = -0.000169441 Jy ! Clean residual min=-0.004463 max=0.005305 Jy/beam ! Clean residual mean=0.000025 rms=0.001324 Jy/beam ! Combined flux in latest and established models = 0.789351 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 77 components and 0.789351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194808Jy sigma=0.001245 ! Fit after self-cal, rms=0.194803Jy sigma=0.001245 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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=0.194803Jy sigma=0.001245 ! Fit after self-cal, rms=0.194443Jy sigma=0.001242 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8735 mas, bmaj=2.408 mas, bpa=-6.372 degrees ! Estimated noise=1128.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00272002 Jy ! Component: 100 - total flux cleaned = -0.00305455 Jy ! Component: 150 - total flux cleaned = -0.0031127 Jy ! Component: 200 - total flux cleaned = -0.00321869 Jy ! Total flux subtracted in 200 components = -0.00321869 Jy ! Clean residual min=-0.004282 max=0.005480 Jy/beam ! Clean residual mean=0.000029 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 0.786132 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 0.786132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194361Jy sigma=0.001242 ! Fit after self-cal, rms=0.194374Jy sigma=0.001242 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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 (19.6, -18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00358151 Jy ! Component: 100 - total flux cleaned = 0.00397573 Jy ! Component: 150 - total flux cleaned = 0.00405266 Jy ! Component: 200 - total flux cleaned = 0.00412378 Jy ! Total flux subtracted in 200 components = 0.00412378 Jy ! Clean residual min=-0.003995 max=0.004818 Jy/beam ! Clean residual mean=0.000030 rms=0.001217 Jy/beam ! Combined flux in latest and established models = 0.790256 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 98 components and 0.790256 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194222Jy sigma=0.001241 ! Fit after self-cal, rms=0.194209Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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=0.194209Jy sigma=0.001241 ! Fit after self-cal, rms=0.193891Jy sigma=0.001241 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=2.213 mas, bmaj=5.278 mas, bpa=-6.405 degrees ! Estimated noise=1413.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00178519 Jy ! Component: 100 - total flux cleaned = -0.00221912 Jy ! Component: 150 - total flux cleaned = -0.00240214 Jy ! Component: 200 - total flux cleaned = -0.00256913 Jy ! Total flux subtracted in 200 components = -0.00256913 Jy ! Clean residual min=-0.004463 max=0.005935 Jy/beam ! Clean residual mean=0.000067 rms=0.001457 Jy/beam ! Combined flux in latest and established models = 0.787687 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 109 components and 0.787687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193856Jy sigma=0.001241 ! Fit after self-cal, rms=0.193859Jy sigma=0.001241 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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 = -0.000228056 Jy ! Component: 100 - total flux cleaned = -0.000372351 Jy ! Component: 150 - total flux cleaned = -0.000507609 Jy ! Component: 200 - total flux cleaned = -0.000679873 Jy ! Total flux subtracted in 200 components = -0.000679873 Jy ! Clean residual min=-0.004493 max=0.005801 Jy/beam ! Clean residual mean=0.000066 rms=0.001450 Jy/beam ! Combined flux in latest and established models = 0.787007 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 114 components and 0.787007 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193855Jy sigma=0.001241 ! Fit after self-cal, rms=0.193853Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.873 mas, bmaj=2.406 mas, bpa=-6.374 degrees ! Estimated noise=1126.25 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.873 x 2.406 at -6.374 degrees (North through East) ! Clean map min=-0.0036343 max=0.54826 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=0.193853Jy sigma=0.001241 ! Fit after self-cal, rms=2.690531Jy sigma=0.001122 ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8729 mas, bmaj=2.407 mas, bpa=-6.436 degrees ! Estimated noise=1127.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000403817 Jy ! Component: 100 - total flux cleaned = -0.000471379 Jy ! Component: 150 - total flux cleaned = -0.00059459 Jy ! Component: 200 - total flux cleaned = -0.000651984 Jy ! Total flux subtracted in 200 components = -0.000651984 Jy ! Clean residual min=-0.004366 max=0.004686 Jy/beam ! Clean residual mean=0.000022 rms=0.001164 Jy/beam ! Combined flux in latest and established models = 0.786355 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 116 components and 0.786355 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.690509Jy sigma=0.001122 ! Fit after self-cal, rms=2.690494Jy sigma=0.001122 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.97154e-05 Jy ! Component: 100 - total flux cleaned = 2.7205e-05 Jy ! Component: 150 - total flux cleaned = 2.40165e-05 Jy ! Component: 200 - total flux cleaned = -2.48012e-05 Jy ! Total flux subtracted in 200 components = -2.48012e-05 Jy ! Clean residual min=-0.004301 max=0.004664 Jy/beam ! Clean residual mean=0.000022 rms=0.001159 Jy/beam ! Combined flux in latest and established models = 0.78633 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 120 components and 0.78633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.690478Jy sigma=0.001122 ! Fit after self-cal, rms=2.690480Jy sigma=0.001122 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.690480Jy sigma=0.001122 ! Fit after self-cal, rms=2.990932Jy sigma=0.001121 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 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6998 mas, bmaj=1.974 mas, bpa=-6.296 degrees ! Estimated noise=1607.45 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.410752 Jy ! Component: 100 - total flux cleaned = 0.558261 Jy ! Component: 150 - total flux cleaned = 0.634606 Jy ! Component: 200 - total flux cleaned = 0.677782 Jy ! Total flux subtracted in 200 components = 0.677782 Jy ! Clean residual min=-0.013038 max=0.022960 Jy/beam ! Clean residual mean=-0.000113 rms=0.003327 Jy/beam ! Combined flux in latest and established models = 0.677782 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.677782 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8729 mas, bmaj=2.406 mas, bpa=-6.399 degrees ! Estimated noise=1127.06 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 = 0.0437988 Jy ! Component: 100 - total flux cleaned = 0.0671287 Jy ! Component: 150 - total flux cleaned = 0.0804196 Jy ! Component: 200 - total flux cleaned = 0.0888127 Jy ! Total flux subtracted in 200 components = 0.0888127 Jy ! Clean residual min=-0.005027 max=0.006700 Jy/beam ! Clean residual mean=-0.000027 rms=0.001400 Jy/beam ! Combined flux in latest and established models = 0.766595 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 61 components and 0.766595 Jy ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Added new window around map position (2.8, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00662103 Jy ! Component: 100 - total flux cleaned = 0.0111838 Jy ! Component: 150 - total flux cleaned = 0.0129297 Jy ! Component: 200 - total flux cleaned = 0.0140463 Jy ! Total flux subtracted in 200 components = 0.0140463 Jy ! Clean residual min=-0.004441 max=0.004457 Jy/beam ! Clean residual mean=0.000003 rms=0.001206 Jy/beam ! Combined flux in latest and established models = 0.780641 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 85 components and 0.780641 Jy ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 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 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=2.217 mas, bmaj=5.286 mas, bpa=-6.378 degrees ! Estimated noise=1413.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311557 Jy ! Component: 100 - total flux cleaned = 0.00381175 Jy ! Component: 150 - total flux cleaned = 0.00388816 Jy ! Component: 200 - total flux cleaned = 0.00382468 Jy ! Total flux subtracted in 200 components = 0.00382468 Jy ! Clean residual min=-0.004273 max=0.005360 Jy/beam ! Clean residual mean=0.000023 rms=0.001389 Jy/beam ! Combined flux in latest and established models = 0.784466 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 = -0.000115824 Jy ! Component: 100 - total flux cleaned = -0.000221667 Jy ! Component: 150 - total flux cleaned = -0.000268965 Jy ! Component: 200 - total flux cleaned = -0.000362802 Jy ! Total flux subtracted in 200 components = -0.000362802 Jy ! Clean residual min=-0.004250 max=0.005312 Jy/beam ! Clean residual mean=0.000025 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.784103 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 110 components and 0.784103 Jy ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.8729 mas, bmaj=2.406 mas, bpa=-6.399 degrees ! Estimated noise=1127.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000287227 Jy ! Component: 100 - total flux cleaned = -0.000438616 Jy ! Component: 150 - total flux cleaned = -0.000646904 Jy ! Component: 200 - total flux cleaned = -0.000838904 Jy ! Total flux subtracted in 200 components = -0.000838904 Jy ! Clean residual min=-0.004056 max=0.004010 Jy/beam ! Clean residual mean=0.000013 rms=0.001150 Jy/beam ! Combined flux in latest and established models = 0.783264 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 124 components and 0.783264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.990939Jy sigma=0.001121 ! Fit after self-cal, rms=2.990968Jy sigma=0.001121 wmodel J1409-2657_X_2009_04_21_pus_map.mod ! Writing 124 model components to file: J1409-2657_X_2009_04_21_pus_map.mod wobs J1409-2657_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1409-2657_X_2009_04_21_pus_uvs.fits wwins J1409-2657_X_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J1409-2657_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000988197 Jy ! Component: 100 - total flux cleaned = 0.00185309 Jy ! Component: 150 - total flux cleaned = 0.00234141 Jy ! Component: 200 - total flux cleaned = 0.00274958 Jy ! Component: 250 - total flux cleaned = 0.00314802 Jy ! Component: 300 - total flux cleaned = 0.00347204 Jy ! Component: 350 - total flux cleaned = 0.00347132 Jy ! Component: 400 - total flux cleaned = 0.00353323 Jy ! Component: 450 - total flux cleaned = 0.00347206 Jy ! Component: 500 - total flux cleaned = 0.00347097 Jy ! Component: 550 - total flux cleaned = 0.0033522 Jy ! Component: 600 - total flux cleaned = 0.00340984 Jy ! Component: 650 - total flux cleaned = 0.00323722 Jy ! Component: 700 - total flux cleaned = 0.0031804 Jy ! Component: 750 - total flux cleaned = 0.00312389 Jy ! Component: 800 - total flux cleaned = 0.00301354 Jy ! Component: 850 - total flux cleaned = 0.00301376 Jy ! Component: 900 - total flux cleaned = 0.00301477 Jy ! Component: 950 - total flux cleaned = 0.00296185 Jy ! Component: 1000 - total flux cleaned = 0.00291023 Jy ! Component: 1050 - total flux cleaned = 0.00301255 Jy ! Component: 1100 - total flux cleaned = 0.00270671 Jy ! Component: 1150 - total flux cleaned = 0.0026567 Jy ! Component: 1200 - total flux cleaned = 0.00260695 Jy ! Component: 1250 - total flux cleaned = 0.00270521 Jy ! Component: 1300 - total flux cleaned = 0.00270434 Jy ! Component: 1350 - total flux cleaned = 0.0026555 Jy ! Component: 1400 - total flux cleaned = 0.00255919 Jy ! Component: 1450 - total flux cleaned = 0.00255893 Jy ! Component: 1500 - total flux cleaned = 0.00255895 Jy ! Component: 1550 - total flux cleaned = 0.00237199 Jy ! Component: 1600 - total flux cleaned = 0.00246492 Jy ! Component: 1650 - total flux cleaned = 0.00232645 Jy ! Component: 1700 - total flux cleaned = 0.0023724 Jy ! Component: 1750 - total flux cleaned = 0.00223652 Jy ! Component: 1800 - total flux cleaned = 0.00219132 Jy ! Component: 1850 - total flux cleaned = 0.00210186 Jy ! Component: 1900 - total flux cleaned = 0.00205744 Jy ! Component: 1950 - total flux cleaned = 0.00201362 Jy ! Component: 2000 - total flux cleaned = 0.00201326 Jy ! Total flux subtracted in 2048 components = 0.00183979 Jy ! Clean residual min=-0.002171 max=0.002196 Jy/beam ! Clean residual mean=0.000002 rms=0.000838 Jy/beam ! Combined flux in latest and established models = 0.785104 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 269 components and 0.785104 Jy ![Exited script file: muppet] wmap "J1409-2657_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8729 x 2.406 at -6.399 degrees (North through East) ! Clean map min=-0.0035361 max=0.55462 Jy/beam ! Writing clean map to FITS file: J1409-2657_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.554619 invert ! Inverting map ! Your choice of large map pixels excluded 0.418% of the data. ! The x-axis pixel size should ideally be below 0.1947 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000836161 device "J1409-2657_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1409-2657_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.452289 0.452289 0.904578 1.80916 3.61831 7.23662 14.4732 28.9465 57.893 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.554 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8729 x 2.406 at -6.399 degrees (North through East) ! Clean map min=-0.0035361 max=0.55462 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1409-2657_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1409-2657_X_2009_04_21_pus_map.gif/vgif' mapplot cln