! Started logfile: J2002+1501_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:43:53 2011 obs J2002+1501_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J2002+1501_X_2010_06_23_pus_uva.fits ! AN table 1: 180 integrations on 105 of 105 possible baselines. ! AN table 2: 33 integrations on 105 of 105 possible baselines. ! AN table 3: 250 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.362563 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2002+1501 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 70504 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 ![@muppet J2002+1501_X_2010_06_23_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 = 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 1868 telescope corrections were flagged in sub-array 1. ! A total of 202 telescope corrections were flagged in sub-array 2. ! A total of 1224 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1868 telescope corrections were flagged in sub-array 1. ! A total of 202 telescope corrections were flagged in sub-array 2. ! A total of 1460 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1868 telescope corrections were flagged in sub-array 1. ! A total of 202 telescope corrections were flagged in sub-array 2. ! A total of 1224 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1868 telescope corrections were flagged in sub-array 1. ! A total of 202 telescope corrections were flagged in sub-array 2. ! A total of 1224 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.821960Jy sigma=0.008852 ! Fit after self-cal, rms=0.794777Jy sigma=0.008615 ! 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 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.5602 mas, bmaj=1.18 mas, bpa=-7.941 degrees ! Estimated noise=619.009 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 = 0.170834 Jy ! Component: 100 - total flux cleaned = 0.212238 Jy ! Total flux subtracted in 100 components = 0.212238 Jy ! Clean residual min=-0.005489 max=0.016930 Jy/beam ! Clean residual mean=0.000307 rms=0.001930 Jy/beam ! Combined flux in latest and established models = 0.212238 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.212238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158319Jy sigma=0.001384 ! Fit after self-cal, rms=0.158329Jy sigma=0.001384 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0183925 Jy ! Component: 100 - total flux cleaned = 0.0276325 Jy ! Total flux subtracted in 100 components = 0.0276325 Jy ! Clean residual min=-0.004949 max=0.005994 Jy/beam ! Clean residual mean=0.000155 rms=0.001373 Jy/beam ! Combined flux in latest and established models = 0.239871 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.239871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156615Jy sigma=0.001346 ! Fit after self-cal, rms=0.156654Jy sigma=0.001345 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.6976 mas, bmaj=1.472 mas, bpa=-10.42 degrees ! Estimated noise=271.091 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 = 0.00733589 Jy ! Component: 100 - total flux cleaned = 0.0110945 Jy ! Component: 150 - total flux cleaned = 0.0131208 Jy ! Component: 200 - total flux cleaned = 0.0139708 Jy ! Total flux subtracted in 200 components = 0.0139708 Jy ! Clean residual min=-0.003857 max=0.005759 Jy/beam ! Clean residual mean=0.000139 rms=0.001412 Jy/beam ! Combined flux in latest and established models = 0.253842 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 23 components and 0.253842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156550Jy sigma=0.001340 ! Fit after self-cal, rms=0.156567Jy sigma=0.001340 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 0.99 FD 0.99 HN 1.08 KK 0.91 ! KP 0.97 LA 0.91 MA 1.00* MK 0.97 ! NL 0.98 NY 1.03 OV 0.95 PT 0.95 ! SC 1.01 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.99 HN 1.03 KK 1.00* ! KP 0.98 LA 0.93 MA 1.00* MK 1.01 ! NL 0.97 NY 1.00* OV 0.96 PT 0.96 ! SC 1.00* TS 0.98 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.99 HN 1.28 KK 1.00* ! KP 0.97 LA 0.96 MA 1.02 MK 1.00* ! NL 1.00 NY 1.04 OV 1.00 PT 0.99 ! SC 1.01 TS 1.00* ZC 0.97 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.08 KK 0.97 ! KP 0.95 LA 0.97 MA 1.00* MK 0.97 ! NL 1.01 NY 1.02 OV 0.98 PT 0.92 ! SC 1.04 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.99 HN 1.02 KK 1.00* ! KP 0.94 LA 0.96 MA 1.00* MK 1.03 ! NL 1.03 NY 1.00* OV 0.99 PT 0.95 ! SC 1.00* TS 0.98 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.01 HN 1.28 KK 1.00* ! KP 0.97 LA 1.00 MA 1.00* MK 1.00* ! NL 1.03 NY 1.08 OV 1.02 PT 0.98 ! SC 1.03 TS 1.00* ZC 0.98 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 1.10 KK 0.89 ! KP 0.95 LA 0.94 MA 1.00* MK 0.99 ! NL 0.96 NY 1.03 OV 0.97 PT 0.92 ! SC 1.00 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.97 HN 0.98 KK 1.00* ! KP 0.95 LA 0.95 MA 1.00* MK 0.99 ! NL 0.97 NY 1.00* OV 0.95 PT 0.97 ! SC 1.00* TS 0.97 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.99 HN 1.32 KK 1.00* ! KP 0.95 LA 0.99 MA 1.08 MK 1.00* ! NL 0.95 NY 1.10 OV 1.01 PT 0.97 ! SC 0.99 TS 1.00* ZC 0.96 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 1.10 KK 0.93 ! KP 0.95 LA 0.94 MA 1.00* MK 0.95 ! NL 0.99 NY 1.08 OV 0.97 PT 0.96 ! SC 0.98 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.96 HN 0.99 KK 1.00* ! KP 0.97 LA 0.96 MA 1.00* MK 0.93 ! NL 1.01 NY 1.00* OV 1.00 PT 0.97 ! SC 1.00* TS 0.96 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.98 HN 1.31 KK 1.00* ! KP 0.96 LA 0.99 MA 0.99 MK 1.00* ! NL 0.98 NY 1.05 OV 0.99 PT 0.99 ! SC 0.98 TS 1.00* ZC 1.01 ! ! ! Fit before self-cal, rms=0.156567Jy sigma=0.001340 ! Fit after self-cal, rms=0.166223Jy sigma=0.001323 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.7017 mas, bmaj=1.482 mas, bpa=-10.25 degrees ! Estimated noise=271.502 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 = -0.0014693 Jy ! Component: 100 - total flux cleaned = -0.00218183 Jy ! Component: 150 - total flux cleaned = -0.00227411 Jy ! Component: 200 - total flux cleaned = -0.00232206 Jy ! Total flux subtracted in 200 components = -0.00232206 Jy ! Clean residual min=-0.001715 max=0.002474 Jy/beam ! Clean residual mean=0.000027 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.25152 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.25152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166201Jy sigma=0.001323 ! Fit after self-cal, rms=0.166479Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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=0.166479Jy sigma=0.001323 ! Fit after self-cal, rms=0.167604Jy sigma=0.001322 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.7034 mas, bmaj=1.485 mas, bpa=-10.23 degrees ! Estimated noise=271.088 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00114842 Jy ! Component: 100 - total flux cleaned = -0.0016391 Jy ! Component: 150 - total flux cleaned = -0.00170324 Jy ! Component: 200 - total flux cleaned = -0.00173204 Jy ! Total flux subtracted in 200 components = -0.00173204 Jy ! Clean residual min=-0.001500 max=0.002359 Jy/beam ! Clean residual mean=0.000062 rms=0.000499 Jy/beam ! Combined flux in latest and established models = 0.249788 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.249788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167590Jy sigma=0.001322 ! Fit after self-cal, rms=0.167598Jy sigma=0.001322 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 (1.6, -3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00221721 Jy ! Component: 100 - total flux cleaned = 0.00332659 Jy ! Component: 150 - total flux cleaned = 0.00360043 Jy ! Component: 200 - total flux cleaned = 0.0036254 Jy ! Total flux subtracted in 200 components = 0.0036254 Jy ! Clean residual min=-0.001459 max=0.001451 Jy/beam ! Clean residual mean=0.000013 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.253413 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 47 components and 0.253413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167573Jy sigma=0.001321 ! Fit after self-cal, rms=0.167571Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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=0.167571Jy sigma=0.001321 ! Fit after self-cal, rms=0.168106Jy sigma=0.001321 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.7045 mas, bmaj=1.486 mas, bpa=-10.21 degrees ! Estimated noise=270.816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000631386 Jy ! Component: 100 - total flux cleaned = 0.000736118 Jy ! Component: 150 - total flux cleaned = 0.000851038 Jy ! Component: 200 - total flux cleaned = 0.000944961 Jy ! Total flux subtracted in 200 components = 0.000944961 Jy ! Clean residual min=-0.001356 max=0.001412 Jy/beam ! Clean residual mean=0.000042 rms=0.000391 Jy/beam ! Combined flux in latest and established models = 0.254358 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 56 components and 0.254358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168093Jy sigma=0.001321 ! Fit after self-cal, rms=0.168089Jy sigma=0.001321 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 = 0.000281675 Jy ! Component: 100 - total flux cleaned = 0.000383865 Jy ! Component: 150 - total flux cleaned = 0.000402378 Jy ! Component: 200 - total flux cleaned = 0.000418968 Jy ! Total flux subtracted in 200 components = 0.000418968 Jy ! Clean residual min=-0.001318 max=0.001381 Jy/beam ! Clean residual mean=0.000035 rms=0.000387 Jy/beam ! Combined flux in latest and established models = 0.254777 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 59 components and 0.254777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168083Jy sigma=0.001321 ! Fit after self-cal, rms=0.168083Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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=0.168083Jy sigma=0.001321 ! Fit after self-cal, rms=0.168087Jy sigma=0.001320 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=2.555 mas, bmaj=2.856 mas, bpa=-13.93 degrees ! Estimated noise=343.202 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000319691 Jy ! Component: 100 - total flux cleaned = 0.000405086 Jy ! Component: 150 - total flux cleaned = 0.000421723 Jy ! Component: 200 - total flux cleaned = 0.000434421 Jy ! Total flux subtracted in 200 components = 0.000434421 Jy ! Clean residual min=-0.001374 max=0.001933 Jy/beam ! Clean residual mean=0.000087 rms=0.000481 Jy/beam ! Combined flux in latest and established models = 0.255211 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 65 components and 0.255211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168083Jy sigma=0.001320 ! Fit after self-cal, rms=0.168074Jy sigma=0.001320 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 = 0.000129815 Jy ! Component: 100 - total flux cleaned = 0.000140394 Jy ! Component: 150 - total flux cleaned = 0.000148709 Jy ! Component: 200 - total flux cleaned = 0.000148654 Jy ! Total flux subtracted in 200 components = 0.000148654 Jy ! Clean residual min=-0.001416 max=0.001919 Jy/beam ! Clean residual mean=0.000080 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 0.25536 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 67 components and 0.25536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168073Jy sigma=0.001320 ! Fit after self-cal, rms=0.168072Jy sigma=0.001320 ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.7056 mas, bmaj=1.487 mas, bpa=-10.2 degrees ! Estimated noise=270.545 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7056 x 1.487 at -10.2 degrees (North through East) ! Clean map min=-0.0012577 max=0.22234 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 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 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.5617 mas, bmaj=1.19 mas, bpa=-7.707 degrees ! Estimated noise=619.666 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.170578 Jy ! Component: 100 - total flux cleaned = 0.211771 Jy ! Component: 150 - total flux cleaned = 0.229555 Jy ! Component: 200 - total flux cleaned = 0.238252 Jy ! Total flux subtracted in 200 components = 0.238252 Jy ! Clean residual min=-0.003308 max=0.004939 Jy/beam ! Clean residual mean=0.000104 rms=0.000933 Jy/beam ! Combined flux in latest and established models = 0.238252 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.238252 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.7056 mas, bmaj=1.487 mas, bpa=-10.2 degrees ! Estimated noise=270.545 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 = 0.00578968 Jy ! Component: 100 - total flux cleaned = 0.00911091 Jy ! Component: 150 - total flux cleaned = 0.0113763 Jy ! Component: 200 - total flux cleaned = 0.0129784 Jy ! Total flux subtracted in 200 components = 0.0129784 Jy ! Clean residual min=-0.001367 max=0.001651 Jy/beam ! Clean residual mean=0.000088 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.251231 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 40 components and 0.25123 Jy ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 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 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=2.555 mas, bmaj=2.856 mas, bpa=-13.93 degrees ! Estimated noise=343.202 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00186823 Jy ! Component: 100 - total flux cleaned = 0.0029349 Jy ! Component: 150 - total flux cleaned = 0.0035487 Jy ! Component: 200 - total flux cleaned = 0.0037068 Jy ! Total flux subtracted in 200 components = 0.0037068 Jy ! Clean residual min=-0.001415 max=0.001959 Jy/beam ! Clean residual mean=0.000094 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 0.254937 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 = 0.000112096 Jy ! Component: 100 - total flux cleaned = 0.00021263 Jy ! Component: 150 - total flux cleaned = 0.000284166 Jy ! Component: 200 - total flux cleaned = 0.000314654 Jy ! Total flux subtracted in 200 components = 0.000314654 Jy ! Clean residual min=-0.001415 max=0.001913 Jy/beam ! Clean residual mean=0.000084 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.255252 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 61 components and 0.255252 Jy ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! Estimated beam: bmin=0.7056 mas, bmaj=1.487 mas, bpa=-10.2 degrees ! Estimated noise=270.545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000292495 Jy ! Component: 100 - total flux cleaned = -0.000246169 Jy ! Component: 150 - total flux cleaned = -0.000246644 Jy ! Component: 200 - total flux cleaned = -0.000228591 Jy ! Total flux subtracted in 200 components = -0.000228591 Jy ! Clean residual min=-0.001390 max=0.001419 Jy/beam ! Clean residual mean=0.000039 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.255023 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 69 components and 0.255023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168066Jy sigma=0.001320 ! Fit after self-cal, rms=0.168063Jy sigma=0.001320 wmodel J2002+1501_X_2010_06_23_pus_map.mod ! Writing 69 model components to file: J2002+1501_X_2010_06_23_pus_map.mod wobs J2002+1501_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J2002+1501_X_2010_06_23_pus_uvs.fits wwins J2002+1501_X_2010_06_23_pus_map.win ! wwins: Wrote 2 windows to J2002+1501_X_2010_06_23_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 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000281933 Jy ! Component: 100 - total flux cleaned = 0.000657804 Jy ! Component: 150 - total flux cleaned = 0.00101503 Jy ! Component: 200 - total flux cleaned = 0.00135614 Jy ! Component: 250 - total flux cleaned = 0.00156152 Jy ! Component: 300 - total flux cleaned = 0.00175971 Jy ! Component: 350 - total flux cleaned = 0.00183691 Jy ! Component: 400 - total flux cleaned = 0.00193149 Jy ! Component: 450 - total flux cleaned = 0.00200481 Jy ! Component: 500 - total flux cleaned = 0.00211171 Jy ! Component: 550 - total flux cleaned = 0.00216395 Jy ! Component: 600 - total flux cleaned = 0.00226648 Jy ! Component: 650 - total flux cleaned = 0.00233348 Jy ! Component: 700 - total flux cleaned = 0.0024322 Jy ! Component: 750 - total flux cleaned = 0.00244847 Jy ! Component: 800 - total flux cleaned = 0.00243263 Jy ! Component: 850 - total flux cleaned = 0.00246396 Jy ! Component: 900 - total flux cleaned = 0.00246381 Jy ! Component: 950 - total flux cleaned = 0.00247915 Jy ! Component: 1000 - total flux cleaned = 0.00247936 Jy ! Total flux subtracted in 1024 components = 0.00247943 Jy ! Clean residual min=-0.000857 max=0.000862 Jy/beam ! Clean residual mean=0.000003 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.257503 Jy keep ! Adding 74 model components to the UV plane model. ! The established model now contains 143 components and 0.257503 Jy ![Exited script file: muppet] wmap "J2002+1501_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7056 x 1.487 at -10.2 degrees (North through East) ! Clean map min=-0.0011836 max=0.22252 Jy/beam ! Writing clean map to FITS file: J2002+1501_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.222515 invert ! Inverting map ! Your choice of large map pixels excluded 9.33% of the data. ! The x-axis pixel size should ideally be below 0.1731 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000293797 device "J2002+1501_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J2002+1501_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.396104 0.396104 0.792207 1.58441 3.16883 6.33766 12.6753 25.3506 50.7013 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.222 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7056 x 1.487 at -10.2 degrees (North through East) ! Clean map min=-0.0011836 max=0.22252 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2002+1501_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J2002+1501_X_2010_06_23_pus_map.gif/vgif' mapplot cln