! Started logfile: J1751+0939_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:26:20 2010 obs J1751+0939_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1751+0939_X_2007_12_05_pus_uva.fits ! AN table 1: 50 integrations on 136 of 136 possible baselines. ! AN table 2: 11 integrations on 136 of 136 possible baselines. ! AN table 3: 38 integrations on 136 of 136 possible baselines. ! AN table 4: 50 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.110195 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1751+0939 ! ! 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 1501 lines of history. ! ! Reading 8932 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 645 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 445 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 645 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 445 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 645 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 445 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 674 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 474 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=2.447798Jy sigma=0.022669 ! Fit after self-cal, rms=2.233741Jy sigma=0.020159 ! 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 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.5593 mas, bmaj=0.8351 mas, bpa=0.01227 degrees ! Estimated noise=1456.49 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 = 2.41259 Jy ! Component: 100 - total flux cleaned = 2.97121 Jy ! Total flux subtracted in 100 components = 2.97121 Jy ! Clean residual min=-0.081811 max=0.207041 Jy/beam ! Clean residual mean=-0.000358 rms=0.021000 Jy/beam ! Combined flux in latest and established models = 2.97121 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 2.97121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.530025Jy sigma=0.004146 ! Fit after self-cal, rms=0.529909Jy sigma=0.004145 ! Inverting map ! Your choice of large map pixels excluded 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.209549 Jy ! Component: 100 - total flux cleaned = 0.304257 Jy ! Total flux subtracted in 100 components = 0.304257 Jy ! Clean residual min=-0.067118 max=0.074127 Jy/beam ! Clean residual mean=-0.001125 rms=0.015066 Jy/beam ! Combined flux in latest and established models = 3.27546 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 3.27546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.431026Jy sigma=0.002993 ! Fit after self-cal, rms=0.430532Jy sigma=0.002991 ! Inverting map ! Your choice of large map pixels excluded 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6387 mas, bmaj=1.329 mas, bpa=2.611 degrees ! Estimated noise=901.535 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 (0.8, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0889061 Jy ! Component: 100 - total flux cleaned = 0.130185 Jy ! Component: 150 - total flux cleaned = 0.150127 Jy ! Component: 200 - total flux cleaned = 0.152083 Jy ! Total flux subtracted in 200 components = 0.152083 Jy ! Clean residual min=-0.060221 max=0.057258 Jy/beam ! Clean residual mean=-0.011762 rms=0.011424 Jy/beam ! Combined flux in latest and established models = 3.42755 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 29 components and 3.42755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.413878Jy sigma=0.002795 ! Fit after self-cal, rms=0.412349Jy sigma=0.002774 ! Inverting map ! Your choice of large map pixels excluded 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 1.00* FD 1.00* HH 0.89 HN 1.00* ! KB 1.07 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.97 ON 0.93 OV 1.00* ! PT 1.00* SV 1.05 TS 1.05 WZ 1.08 ! ZC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.17 NY 0.96 ON 1.01 OV 1.00* ! PT 1.00* SV 1.10 TS 1.00* WZ 1.06 ! ZC 1.05 ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.92 FD 0.95 HH 1.00* HN 1.12 ! KB 1.02 KP 1.00 LA 0.98 MK 0.96 ! NL 1.03 NY 1.00* ON 1.00* OV 0.96 ! PT 0.97 SV 1.00* TS 0.99 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.89 HN 1.00* ! KB 1.07 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00 ON 0.93 OV 1.00* ! PT 1.00* SV 1.01 TS 1.07 WZ 1.08 ! ZC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.90 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.12 NY 0.99 ON 1.01 OV 1.00* ! PT 1.00* SV 1.07 TS 1.00* WZ 1.05 ! ZC 1.08 ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.96 HH 1.00* HN 1.11 ! KB 1.02 KP 0.95 LA 0.96 MK 0.95 ! NL 0.99 NY 1.00* ON 1.00* OV 0.94 ! PT 1.02 SV 1.00* TS 0.99 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.87 HN 1.00* ! KB 1.05 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 0.90 OV 1.00* ! PT 1.00* SV 0.99 TS 1.05 WZ 1.04 ! ZC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.89 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.14 NY 1.03 ON 1.01 OV 1.00* ! PT 1.00* SV 1.06 TS 1.00* WZ 1.02 ! ZC 1.04 ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 0.96 HH 1.00* HN 1.10 ! KB 1.04 KP 0.99 LA 0.99 MK 0.97 ! NL 1.00 NY 1.00* ON 1.00* OV 0.99 ! PT 1.03 SV 1.00* TS 0.97 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.82 HN 1.00* ! KB 1.05 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00 ON 0.91 OV 1.00* ! PT 1.00* SV 0.98 TS 1.07 WZ 1.03 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.13 NY 1.00 ON 1.03 OV 1.00* ! PT 1.00* SV 1.00 TS 1.00* WZ 1.01 ! ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.96 HH 1.00* HN 1.11 ! KB 1.05 KP 0.99 LA 0.98 MK 1.00 ! NL 1.02 NY 1.00* ON 1.00* OV 0.98 ! PT 1.02 SV 1.00* TS 0.98 WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.412349Jy sigma=0.002774 ! Fit after self-cal, rms=0.344660Jy sigma=0.001960 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.645 mas, bmaj=1.288 mas, bpa=2.26 degrees ! Estimated noise=903.522 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 = -0.0258488 Jy ! Component: 100 - total flux cleaned = -0.0277103 Jy ! Component: 150 - total flux cleaned = -0.0284689 Jy ! Component: 200 - total flux cleaned = -0.0297518 Jy ! Total flux subtracted in 200 components = -0.0297518 Jy ! Clean residual min=-0.027312 max=0.019555 Jy/beam ! Clean residual mean=-0.004178 rms=0.006143 Jy/beam ! Combined flux in latest and established models = 3.39779 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 39 components and 3.39779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335698Jy sigma=0.001900 ! Fit after self-cal, rms=0.335203Jy sigma=0.001897 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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=0.335203Jy sigma=0.001897 ! Fit after self-cal, rms=0.280278Jy sigma=0.001535 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6469 mas, bmaj=1.296 mas, bpa=2.244 degrees ! Estimated noise=903.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00855526 Jy ! Component: 100 - total flux cleaned = -0.00949295 Jy ! Component: 150 - total flux cleaned = -0.0099127 Jy ! Component: 200 - total flux cleaned = -0.0105918 Jy ! Total flux subtracted in 200 components = -0.0105918 Jy ! Clean residual min=-0.017097 max=0.007907 Jy/beam ! Clean residual mean=-0.003016 rms=0.002802 Jy/beam ! Combined flux in latest and established models = 3.3872 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 3.3872 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278156Jy sigma=0.001512 ! Fit after self-cal, rms=0.278022Jy sigma=0.001510 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 = 0.00125697 Jy ! Component: 100 - total flux cleaned = 0.000345554 Jy ! Component: 150 - total flux cleaned = -0.000169207 Jy ! Component: 200 - total flux cleaned = -0.000837545 Jy ! Total flux subtracted in 200 components = -0.000837545 Jy ! Clean residual min=-0.016828 max=0.008052 Jy/beam ! Clean residual mean=-0.002998 rms=0.002722 Jy/beam ! Combined flux in latest and established models = 3.38636 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 51 components and 3.38636 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277293Jy sigma=0.001504 ! Fit after self-cal, rms=0.277103Jy sigma=0.001503 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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=0.277103Jy sigma=0.001503 ! Fit after self-cal, rms=0.252216Jy sigma=0.001366 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6484 mas, bmaj=1.293 mas, bpa=2.205 degrees ! Estimated noise=903.263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00416394 Jy ! Component: 100 - total flux cleaned = -0.00385078 Jy ! Component: 150 - total flux cleaned = -0.00411868 Jy ! Component: 200 - total flux cleaned = -0.00411789 Jy ! Total flux subtracted in 200 components = -0.00411789 Jy ! Clean residual min=-0.009088 max=0.004476 Jy/beam ! Clean residual mean=-0.001940 rms=0.001586 Jy/beam ! Combined flux in latest and established models = 3.38225 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 57 components and 3.38225 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251336Jy sigma=0.001356 ! Fit after self-cal, rms=0.251315Jy sigma=0.001356 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 = 0.000796334 Jy ! Component: 100 - total flux cleaned = 0.000383642 Jy ! Component: 150 - total flux cleaned = 0.000200976 Jy ! Component: 200 - total flux cleaned = 1.66699e-05 Jy ! Total flux subtracted in 200 components = 1.66699e-05 Jy ! Clean residual min=-0.008331 max=0.004345 Jy/beam ! Clean residual mean=-0.001941 rms=0.001534 Jy/beam ! Combined flux in latest and established models = 3.38226 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 59 components and 3.38226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250797Jy sigma=0.001352 ! Fit after self-cal, rms=0.250722Jy sigma=0.001352 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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=0.250722Jy sigma=0.001352 ! Fit after self-cal, rms=0.250177Jy sigma=0.001348 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=2.649 mas, bmaj=3.466 mas, bpa=26.44 degrees ! Estimated noise=1095.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00251709 Jy ! Component: 100 - total flux cleaned = -0.00259411 Jy ! Component: 150 - total flux cleaned = -0.00280973 Jy ! Component: 200 - total flux cleaned = -0.00293286 Jy ! Total flux subtracted in 200 components = -0.00293286 Jy ! Clean residual min=-0.008767 max=0.003131 Jy/beam ! Clean residual mean=-0.002732 rms=0.001749 Jy/beam ! Combined flux in latest and established models = 3.37933 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 62 components and 3.37933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250054Jy sigma=0.001347 ! Fit after self-cal, rms=0.250028Jy sigma=0.001346 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 = 0.00026974 Jy ! Component: 100 - total flux cleaned = 0.000194298 Jy ! Component: 150 - total flux cleaned = 2.56965e-06 Jy ! Component: 200 - total flux cleaned = -0.000103971 Jy ! Total flux subtracted in 200 components = -0.000103971 Jy ! Clean residual min=-0.008738 max=0.003184 Jy/beam ! Clean residual mean=-0.002727 rms=0.001739 Jy/beam ! Combined flux in latest and established models = 3.37923 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 64 components and 3.37923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249932Jy sigma=0.001346 ! Fit after self-cal, rms=0.249919Jy sigma=0.001345 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6492 mas, bmaj=1.292 mas, bpa=2.188 degrees ! Estimated noise=903.116 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6492 x 1.292 at 2.188 degrees (North through East) ! Clean map min=-0.0064279 max=3.0978 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=0.249919Jy sigma=0.001345 ! Fit after self-cal, rms=0.230089Jy sigma=0.001122 ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.649 mas, bmaj=1.292 mas, bpa=2.178 degrees ! Estimated noise=902.402 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000231017 Jy ! Component: 100 - total flux cleaned = -0.000227103 Jy ! Component: 150 - total flux cleaned = -0.000232499 Jy ! Component: 200 - total flux cleaned = -0.000390088 Jy ! Total flux subtracted in 200 components = -0.000390088 Jy ! Clean residual min=-0.006716 max=0.005507 Jy/beam ! Clean residual mean=-0.000877 rms=0.001358 Jy/beam ! Combined flux in latest and established models = 3.37884 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 66 components and 3.37884 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229608Jy sigma=0.001118 ! Fit after self-cal, rms=0.229564Jy sigma=0.001118 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.06212e-05 Jy ! Component: 100 - total flux cleaned = 4.19046e-05 Jy ! Component: 150 - total flux cleaned = 4.40201e-05 Jy ! Component: 200 - total flux cleaned = -9.22406e-05 Jy ! Total flux subtracted in 200 components = -9.22406e-05 Jy ! Clean residual min=-0.006423 max=0.005362 Jy/beam ! Clean residual mean=-0.000875 rms=0.001334 Jy/beam ! Combined flux in latest and established models = 3.37874 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 3.37874 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229186Jy sigma=0.001115 ! Fit after self-cal, rms=0.229160Jy sigma=0.001115 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229160Jy sigma=0.001115 ! Fit after self-cal, rms=0.229156Jy sigma=0.001115 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 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.5699 mas, bmaj=0.808 mas, bpa=-1.516 degrees ! Estimated noise=1466.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.42235 Jy ! Component: 100 - total flux cleaned = 2.9619 Jy ! Component: 150 - total flux cleaned = 3.15109 Jy ! Component: 200 - total flux cleaned = 3.24161 Jy ! Total flux subtracted in 200 components = 3.24161 Jy ! Clean residual min=-0.017119 max=0.043666 Jy/beam ! Clean residual mean=0.000197 rms=0.004507 Jy/beam ! Combined flux in latest and established models = 3.24161 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 3.24161 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6492 mas, bmaj=1.292 mas, bpa=2.168 degrees ! Estimated noise=902.259 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 = 0.0686439 Jy ! Component: 100 - total flux cleaned = 0.100087 Jy ! Component: 150 - total flux cleaned = 0.117057 Jy ! Component: 200 - total flux cleaned = 0.126874 Jy ! Total flux subtracted in 200 components = 0.126874 Jy ! Clean residual min=-0.005992 max=0.007720 Jy/beam ! Clean residual mean=-0.000517 rms=0.001461 Jy/beam ! Combined flux in latest and established models = 3.36848 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 40 components and 3.36848 Jy ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Added new window around map position (0.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00462075 Jy ! Component: 100 - total flux cleaned = 0.00653413 Jy ! Component: 150 - total flux cleaned = 0.00738512 Jy ! Component: 200 - total flux cleaned = 0.00796455 Jy ! Total flux subtracted in 200 components = 0.00796455 Jy ! Clean residual min=-0.005666 max=0.005185 Jy/beam ! Clean residual mean=-0.000682 rms=0.001278 Jy/beam ! Combined flux in latest and established models = 3.37644 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 51 components and 3.37644 Jy ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 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 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=2.649 mas, bmaj=3.465 mas, bpa=26.47 degrees ! Estimated noise=1094.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00210214 Jy ! Component: 100 - total flux cleaned = 0.00158683 Jy ! Component: 150 - total flux cleaned = 0.00124171 Jy ! Component: 200 - total flux cleaned = 0.00109458 Jy ! Total flux subtracted in 200 components = 0.00109458 Jy ! Clean residual min=-0.007355 max=0.004619 Jy/beam ! Clean residual mean=-0.001441 rms=0.001563 Jy/beam ! Combined flux in latest and established models = 3.37754 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 = -4.65015e-05 Jy ! Component: 100 - total flux cleaned = -8.96844e-05 Jy ! Component: 150 - total flux cleaned = -0.000130974 Jy ! Component: 200 - total flux cleaned = -0.000168494 Jy ! Total flux subtracted in 200 components = -0.000168494 Jy ! Clean residual min=-0.007272 max=0.004640 Jy/beam ! Clean residual mean=-0.001434 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 3.37737 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 62 components and 3.37737 Jy ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6492 mas, bmaj=1.292 mas, bpa=2.168 degrees ! Estimated noise=902.259 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000579448 Jy ! Component: 100 - total flux cleaned = 0.000813371 Jy ! Component: 150 - total flux cleaned = 0.00081205 Jy ! Component: 200 - total flux cleaned = 0.000907571 Jy ! Total flux subtracted in 200 components = 0.000907571 Jy ! Clean residual min=-0.005718 max=0.004695 Jy/beam ! Clean residual mean=-0.000720 rms=0.001227 Jy/beam ! Combined flux in latest and established models = 3.37828 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 66 components and 3.37828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226756Jy sigma=0.001097 ! Fit after self-cal, rms=0.226440Jy sigma=0.001096 wmodel J1751+0939_X_2007_12_05_pus_map.mod ! Writing 66 model components to file: J1751+0939_X_2007_12_05_pus_map.mod wobs J1751+0939_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1751+0939_X_2007_12_05_pus_uvs.fits wwins J1751+0939_X_2007_12_05_pus_map.win ! wwins: Wrote 3 windows to J1751+0939_X_2007_12_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00257328 Jy ! Component: 100 - total flux cleaned = -0.00489042 Jy ! Component: 150 - total flux cleaned = -0.00663248 Jy ! Component: 200 - total flux cleaned = -0.00812786 Jy ! Component: 250 - total flux cleaned = -0.009569 Jy ! Component: 300 - total flux cleaned = -0.0107316 Jy ! Component: 350 - total flux cleaned = -0.0116336 Jy ! Component: 400 - total flux cleaned = -0.0125103 Jy ! Component: 450 - total flux cleaned = -0.0131506 Jy ! Component: 500 - total flux cleaned = -0.0137778 Jy ! Component: 550 - total flux cleaned = -0.0144586 Jy ! Component: 600 - total flux cleaned = -0.015124 Jy ! Component: 650 - total flux cleaned = -0.0157098 Jy ! Component: 700 - total flux cleaned = -0.01622 Jy ! Component: 750 - total flux cleaned = -0.0167831 Jy ! Component: 800 - total flux cleaned = -0.0172744 Jy ! Component: 850 - total flux cleaned = -0.0178776 Jy ! Component: 900 - total flux cleaned = -0.0183521 Jy ! Component: 950 - total flux cleaned = -0.018819 Jy ! Component: 1000 - total flux cleaned = -0.0193357 Jy ! Component: 1050 - total flux cleaned = -0.0197875 Jy ! Component: 1100 - total flux cleaned = -0.0201768 Jy ! Component: 1150 - total flux cleaned = -0.0205609 Jy ! Component: 1200 - total flux cleaned = -0.0208308 Jy ! Component: 1250 - total flux cleaned = -0.021098 Jy ! Component: 1300 - total flux cleaned = -0.0213624 Jy ! Component: 1350 - total flux cleaned = -0.0216237 Jy ! Component: 1400 - total flux cleaned = -0.0218301 Jy ! Component: 1450 - total flux cleaned = -0.0219835 Jy ! Component: 1500 - total flux cleaned = -0.0221857 Jy ! Component: 1550 - total flux cleaned = -0.0223361 Jy ! Component: 1600 - total flux cleaned = -0.0225342 Jy ! Component: 1650 - total flux cleaned = -0.0227305 Jy ! Component: 1700 - total flux cleaned = -0.0228759 Jy ! Component: 1750 - total flux cleaned = -0.0229727 Jy ! Component: 1800 - total flux cleaned = -0.0231638 Jy ! Component: 1850 - total flux cleaned = -0.0233061 Jy ! Component: 1900 - total flux cleaned = -0.0234938 Jy ! Component: 1950 - total flux cleaned = -0.0236336 Jy ! Component: 2000 - total flux cleaned = -0.0237724 Jy ! Total flux subtracted in 2048 components = -0.0238643 Jy ! Clean residual min=-0.002774 max=0.002602 Jy/beam ! Clean residual mean=-0.000162 rms=0.000801 Jy/beam ! Combined flux in latest and established models = 3.35441 Jy keep ! Adding 152 model components to the UV plane model. ! The established model now contains 218 components and 3.35441 Jy wmap "J1751+0939_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6492 x 1.292 at 2.168 degrees (North through East) ! Clean map min=-0.0064958 max=3.1 Jy/beam ! Writing clean map to FITS file: J1751+0939_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 3.10002 invert ! Inverting map ! Your choice of large map pixels excluded 4.89% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! The y-axis pixel size should ideally be below 0.1773 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00080001 device "J1751+0939_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1751+0939_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0774197 0.0774197 0.154839 0.309679 0.619358 1.23872 2.47743 4.95486 9.90972 19.8194 39.6389 79.2778 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.1 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6492 x 1.292 at 2.168 degrees (North through East) ! Clean map min=-0.0064958 max=3.1 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1751+0939_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1751+0939_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1751+0939_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:26:25 2010