! Started logfile: J1242+3751_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:22:34 2010 obs J1242+3751_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1242+3751_X_2007_12_05_pus_uva.fits ! AN table 1: 41 integrations on 136 of 136 possible baselines. ! AN table 2: 150 integrations on 136 of 136 possible baselines. ! AN table 3: 266 integrations on 136 of 136 possible baselines. ! AN table 4: 250 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.145031 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1242+3751 ! ! 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 55780 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 560 telescope corrections were flagged in sub-array 1. ! A total of 1771 telescope corrections were flagged in sub-array 2. ! A total of 2801 telescope corrections were flagged in sub-array 3. ! A total of 2585 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 560 telescope corrections were flagged in sub-array 1. ! A total of 1771 telescope corrections were flagged in sub-array 2. ! A total of 2801 telescope corrections were flagged in sub-array 3. ! A total of 2585 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 560 telescope corrections were flagged in sub-array 1. ! A total of 1771 telescope corrections were flagged in sub-array 2. ! A total of 2801 telescope corrections were flagged in sub-array 3. ! A total of 2585 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 610 telescope corrections were flagged in sub-array 1. ! A total of 1771 telescope corrections were flagged in sub-array 2. ! A total of 2801 telescope corrections were flagged in sub-array 3. ! A total of 2620 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.876243Jy sigma=0.007776 ! Fit after self-cal, rms=0.793914Jy sigma=0.007211 ! 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 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.5752 mas, bmaj=0.9381 mas, bpa=-22.69 degrees ! Estimated noise=895.121 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 = 0.178147 Jy ! Component: 100 - total flux cleaned = 0.243668 Jy ! Total flux subtracted in 100 components = 0.243668 Jy ! Clean residual min=-0.010473 max=0.044233 Jy/beam ! Clean residual mean=-0.000143 rms=0.003378 Jy/beam ! Combined flux in latest and established models = 0.243668 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.243668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225481Jy sigma=0.001509 ! Fit after self-cal, rms=0.224285Jy sigma=0.001502 ! Inverting map ! Your choice of large map pixels excluded 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Added new window around map position (-0.8, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0411575 Jy ! Component: 100 - total flux cleaned = 0.0624574 Jy ! Total flux subtracted in 100 components = 0.0624574 Jy ! Clean residual min=-0.007956 max=0.031867 Jy/beam ! Clean residual mean=-0.000201 rms=0.002264 Jy/beam ! Combined flux in latest and established models = 0.306126 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.306126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214440Jy sigma=0.001343 ! Fit after self-cal, rms=0.213643Jy sigma=0.001331 ! Inverting map ! Your choice of large map pixels excluded 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0207925 Jy ! Component: 100 - total flux cleaned = 0.0295877 Jy ! Total flux subtracted in 100 components = 0.0295877 Jy ! Clean residual min=-0.006549 max=0.018805 Jy/beam ! Clean residual mean=-0.000230 rms=0.001756 Jy/beam ! Combined flux in latest and established models = 0.335713 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 22 components and 0.335713 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211296Jy sigma=0.001295 ! Fit after self-cal, rms=0.211100Jy sigma=0.001290 ! Inverting map ! Your choice of large map pixels excluded 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00916474 Jy ! Component: 100 - total flux cleaned = 0.0107188 Jy ! Total flux subtracted in 100 components = 0.0107188 Jy ! Clean residual min=-0.006137 max=0.012998 Jy/beam ! Clean residual mean=-0.000241 rms=0.001581 Jy/beam ! Combined flux in latest and established models = 0.346432 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 0.346432 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210533Jy sigma=0.001283 ! Fit after self-cal, rms=0.210558Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Added new window around map position (1, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00681661 Jy ! Component: 100 - total flux cleaned = 0.00885838 Jy ! Total flux subtracted in 100 components = 0.00885838 Jy ! Clean residual min=-0.005726 max=0.007016 Jy/beam ! Clean residual mean=-0.000250 rms=0.001436 Jy/beam ! Combined flux in latest and established models = 0.355291 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 0.355291 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210192Jy sigma=0.001275 ! Fit after self-cal, rms=0.210134Jy sigma=0.001275 ! Inverting map ! Your choice of large map pixels excluded 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7576 mas, bmaj=1.21 mas, bpa=-17.54 degrees ! Estimated noise=350.389 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 = 0.00420537 Jy ! Component: 100 - total flux cleaned = 0.00510135 Jy ! Component: 150 - total flux cleaned = 0.00570445 Jy ! Component: 200 - total flux cleaned = 0.00609421 Jy ! Total flux subtracted in 200 components = 0.00609421 Jy ! Clean residual min=-0.007423 max=0.003715 Jy/beam ! Clean residual mean=-0.003496 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 0.361385 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.361385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209882Jy sigma=0.001272 ! Fit after self-cal, rms=0.209847Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 8.92% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.09 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 0.96 TS 1.01 WZ 1.00* ! ZC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.94 HN 1.04 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.01 NY 0.93 ON 1.04 OV 1.00* ! PT 1.00* SV 1.05 TS 1.00* WZ 1.06 ! ZC 1.00* ! ! A total of 123 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 0.96 HH 1.05 HN 1.09 ! KB 1.22 KP 0.98 LA 0.97 MK 0.95 ! NL 1.06 NY 0.90 ON 0.96 OV 0.96 ! PT 0.95 SV 1.05 TS 1.33 WZ 0.99 ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 0.96 HH 1.00* HN 1.12 ! KB 1.00* KP 0.99 LA 0.95 MK 1.00* ! NL 1.08 NY 0.92 ON 1.00* OV 0.95 ! PT 0.95 SV 1.08 TS 1.00* WZ 1.00* ! ZC 1.10 ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.02 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 0.98 TS 1.04 WZ 1.00* ! ZC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.01 HN 1.07 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.99 NY 1.01 ON 1.04 OV 1.00* ! PT 1.00* SV 0.95 TS 1.00* WZ 1.08 ! ZC 1.00* ! ! A total of 123 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.98 HH 1.12 HN 1.10 ! KB 1.26 KP 0.93 LA 0.94 MK 0.94 ! NL 1.03 NY 0.92 ON 0.96 OV 0.97 ! PT 0.99 SV 1.00 TS 1.26 WZ 0.99 ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 0.96 HH 1.00* HN 1.20 ! KB 1.00* KP 0.94 LA 0.93 MK 1.00* ! NL 1.05 NY 0.96 ON 1.00* OV 0.94 ! PT 1.00 SV 1.06 TS 1.00* WZ 1.00* ! ZC 1.12 ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.01 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 0.98 TS 1.08 WZ 1.00* ! ZC 1.14 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.90 HN 0.91 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.05 NY 0.99 ON 1.03 OV 1.00* ! PT 1.00* SV 0.98 TS 1.00* WZ 1.09 ! ZC 1.00* ! ! A total of 123 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.96 HH 1.05 HN 1.05 ! KB 1.17 KP 0.97 LA 1.00 MK 1.00 ! NL 1.05 NY 0.98 ON 1.00 OV 1.00 ! PT 1.03 SV 0.98 TS 1.42 WZ 0.97 ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.97 HH 1.00* HN 1.06 ! KB 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 1.08 NY 1.00 ON 1.00* OV 1.01 ! PT 1.00 SV 1.03 TS 1.00* WZ 1.00* ! ZC 1.00 ! ! ! Correcting IF 4. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.64 HN 1.09 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.97 NY 1.04 ON 1.01 OV 1.00* ! PT 1.00* SV 1.03 TS 1.00* WZ 1.02 ! ZC 1.00* ! ! A total of 123 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 0.95 HH 0.74 HN 1.00 ! KB 1.09 KP 1.00 LA 1.00 MK 1.00 ! NL 1.09 NY 1.29 ON 1.23 OV 0.99 ! PT 1.01 SV 1.01 TS 1.42 WZ 1.00 ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.03 FD 0.99 HH 1.00* HN 1.96 ! KB 1.00* KP 0.98 LA 0.96 MK 1.00* ! NL 1.08 NY 0.94 ON 1.00* OV 0.99 ! PT 1.02 SV 1.16 TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.209847Jy sigma=0.001272 ! Fit after self-cal, rms=0.220527Jy sigma=0.001233 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7998 mas, bmaj=1.194 mas, bpa=-20.84 degrees ! Estimated noise=364.989 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, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152999 Jy ! Component: 100 - total flux cleaned = 0.00154105 Jy ! Component: 150 - total flux cleaned = 0.00144141 Jy ! Component: 200 - total flux cleaned = 0.00127033 Jy ! Total flux subtracted in 200 components = 0.00127033 Jy ! Clean residual min=-0.002795 max=0.002479 Jy/beam ! Clean residual mean=-0.000414 rms=0.000647 Jy/beam ! Combined flux in latest and established models = 0.362655 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.362655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220391Jy sigma=0.001232 ! Fit after self-cal, rms=0.220300Jy sigma=0.001231 ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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=0.220300Jy sigma=0.001231 ! Fit after self-cal, rms=0.206202Jy sigma=0.001217 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7854 mas, bmaj=1.17 mas, bpa=-18.19 degrees ! Estimated noise=360.975 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121166 Jy ! Component: 100 - total flux cleaned = 0.00170031 Jy ! Component: 150 - total flux cleaned = 0.00210816 Jy ! Component: 200 - total flux cleaned = 0.00230959 Jy ! Total flux subtracted in 200 components = 0.00230959 Jy ! Clean residual min=-0.002234 max=0.002338 Jy/beam ! Clean residual mean=0.000023 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.364965 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 0.364965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206161Jy sigma=0.001217 ! Fit after self-cal, rms=0.206136Jy sigma=0.001216 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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 (11.6, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00183864 Jy ! Component: 100 - total flux cleaned = 0.0018937 Jy ! Component: 150 - total flux cleaned = 0.00180098 Jy ! Component: 200 - total flux cleaned = 0.00179959 Jy ! Total flux subtracted in 200 components = 0.00179959 Jy ! Clean residual min=-0.002106 max=0.001887 Jy/beam ! Clean residual mean=-0.000005 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.366764 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 65 components and 0.366764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206101Jy sigma=0.001216 ! Fit after self-cal, rms=0.206059Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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=0.206059Jy sigma=0.001216 ! Fit after self-cal, rms=0.207888Jy sigma=0.001215 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7839 mas, bmaj=1.166 mas, bpa=-18 degrees ! Estimated noise=360.024 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124901 Jy ! Component: 100 - total flux cleaned = 0.00177507 Jy ! Component: 150 - total flux cleaned = 0.00191286 Jy ! Component: 200 - total flux cleaned = 0.00199682 Jy ! Total flux subtracted in 200 components = 0.00199682 Jy ! Clean residual min=-0.001932 max=0.001810 Jy/beam ! Clean residual mean=0.000036 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.368761 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 0.368761 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207859Jy sigma=0.001215 ! Fit after self-cal, rms=0.208009Jy sigma=0.001215 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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 = 0.000151822 Jy ! Component: 100 - total flux cleaned = 0.000113328 Jy ! Component: 150 - total flux cleaned = 7.68836e-05 Jy ! Component: 200 - total flux cleaned = 4.37105e-05 Jy ! Total flux subtracted in 200 components = 4.37105e-05 Jy ! Clean residual min=-0.001962 max=0.001721 Jy/beam ! Clean residual mean=0.000037 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.368805 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 0.368805 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207992Jy sigma=0.001215 ! Fit after self-cal, rms=0.207988Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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=0.207988Jy sigma=0.001215 ! Fit after self-cal, rms=0.208229Jy sigma=0.001215 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=2.724 mas, bmaj=3.06 mas, bpa=82.33 degrees ! Estimated noise=426.863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000713308 Jy ! Component: 100 - total flux cleaned = 0.00104778 Jy ! Component: 150 - total flux cleaned = 0.00122392 Jy ! Component: 200 - total flux cleaned = 0.00131157 Jy ! Total flux subtracted in 200 components = 0.00131157 Jy ! Clean residual min=-0.001739 max=0.001616 Jy/beam ! Clean residual mean=0.000060 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.370116 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 76 components and 0.370116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208232Jy sigma=0.001215 ! Fit after self-cal, rms=0.208294Jy sigma=0.001215 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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 = 4.1585e-05 Jy ! Component: 100 - total flux cleaned = 0.000150131 Jy ! Component: 150 - total flux cleaned = 0.000202152 Jy ! Component: 200 - total flux cleaned = 0.000221645 Jy ! Total flux subtracted in 200 components = 0.000221645 Jy ! Clean residual min=-0.001755 max=0.001574 Jy/beam ! Clean residual mean=0.000057 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.370338 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 80 components and 0.370338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208296Jy sigma=0.001215 ! Fit after self-cal, rms=0.208301Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7828 mas, bmaj=1.164 mas, bpa=-17.88 degrees ! Estimated noise=359.476 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7828 x 1.164 at -17.88 degrees (North through East) ! Clean map min=-0.0015704 max=0.20746 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 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.5851 mas, bmaj=0.913 mas, bpa=-23.3 degrees ! Estimated noise=912.307 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.181126 Jy ! Component: 100 - total flux cleaned = 0.256543 Jy ! Component: 150 - total flux cleaned = 0.295562 Jy ! Component: 200 - total flux cleaned = 0.318101 Jy ! Total flux subtracted in 200 components = 0.318101 Jy ! Clean residual min=-0.005717 max=0.011742 Jy/beam ! Clean residual mean=0.000010 rms=0.001466 Jy/beam ! Combined flux in latest and established models = 0.318101 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 0.318101 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7828 mas, bmaj=1.164 mas, bpa=-17.88 degrees ! Estimated noise=359.476 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 = 0.0239427 Jy ! Component: 100 - total flux cleaned = 0.0356203 Jy ! Component: 150 - total flux cleaned = 0.0420984 Jy ! Component: 200 - total flux cleaned = 0.0459616 Jy ! Total flux subtracted in 200 components = 0.0459616 Jy ! Clean residual min=-0.001903 max=0.002335 Jy/beam ! Clean residual mean=0.000101 rms=0.000509 Jy/beam ! Combined flux in latest and established models = 0.364063 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 44 components and 0.364063 Jy ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Added new window around map position (3.8, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277819 Jy ! Component: 100 - total flux cleaned = 0.00482224 Jy ! Component: 150 - total flux cleaned = 0.00590237 Jy ! Component: 200 - total flux cleaned = 0.00611567 Jy ! Total flux subtracted in 200 components = 0.00611567 Jy ! Clean residual min=-0.001912 max=0.001615 Jy/beam ! Clean residual mean=0.000028 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.370178 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 62 components and 0.370178 Jy ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 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 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=2.724 mas, bmaj=3.06 mas, bpa=82.33 degrees ! Estimated noise=426.863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000805328 Jy ! Component: 100 - total flux cleaned = 0.000932101 Jy ! Component: 150 - total flux cleaned = 0.000987925 Jy ! Component: 200 - total flux cleaned = 0.00103933 Jy ! Total flux subtracted in 200 components = 0.00103933 Jy ! Clean residual min=-0.001681 max=0.001335 Jy/beam ! Clean residual mean=0.000034 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.371218 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 = 3.09665e-05 Jy ! Component: 100 - total flux cleaned = 5.98419e-05 Jy ! Component: 150 - total flux cleaned = 8.69597e-05 Jy ! Component: 200 - total flux cleaned = 0.000112261 Jy ! Total flux subtracted in 200 components = 0.000112261 Jy ! Clean residual min=-0.001684 max=0.001319 Jy/beam ! Clean residual mean=0.000031 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.37133 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 85 components and 0.37133 Jy ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.7828 mas, bmaj=1.164 mas, bpa=-17.88 degrees ! Estimated noise=359.476 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000295564 Jy ! Component: 100 - total flux cleaned = -0.000339743 Jy ! Component: 150 - total flux cleaned = -0.000339682 Jy ! Component: 200 - total flux cleaned = -0.000338995 Jy ! Total flux subtracted in 200 components = -0.000338995 Jy ! Clean residual min=-0.001940 max=0.001562 Jy/beam ! Clean residual mean=0.000019 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.370991 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 94 components and 0.370991 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208330Jy sigma=0.001215 ! Fit after self-cal, rms=0.208171Jy sigma=0.001214 wmodel J1242+3751_X_2007_12_05_pus_map.mod ! Writing 94 model components to file: J1242+3751_X_2007_12_05_pus_map.mod wobs J1242+3751_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1242+3751_X_2007_12_05_pus_uvs.fits wwins J1242+3751_X_2007_12_05_pus_map.win ! wwins: Wrote 6 windows to J1242+3751_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 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000741332 Jy ! Component: 100 - total flux cleaned = -0.00101875 Jy ! Component: 150 - total flux cleaned = -0.00119611 Jy ! Component: 200 - total flux cleaned = -0.00128232 Jy ! Component: 250 - total flux cleaned = -0.0013666 Jy ! Component: 300 - total flux cleaned = -0.00142161 Jy ! Component: 350 - total flux cleaned = -0.00147536 Jy ! Component: 400 - total flux cleaned = -0.00144882 Jy ! Component: 450 - total flux cleaned = -0.00144885 Jy ! Component: 500 - total flux cleaned = -0.00142302 Jy ! Component: 550 - total flux cleaned = -0.00137224 Jy ! Component: 600 - total flux cleaned = -0.00134717 Jy ! Component: 650 - total flux cleaned = -0.00132252 Jy ! Component: 700 - total flux cleaned = -0.00132244 Jy ! Component: 750 - total flux cleaned = -0.00127387 Jy ! Component: 800 - total flux cleaned = -0.00120248 Jy ! Component: 850 - total flux cleaned = -0.00120271 Jy ! Component: 900 - total flux cleaned = -0.00124953 Jy ! Component: 950 - total flux cleaned = -0.00120311 Jy ! Component: 1000 - total flux cleaned = -0.00118012 Jy ! Component: 1050 - total flux cleaned = -0.0011348 Jy ! Component: 1100 - total flux cleaned = -0.00113494 Jy ! Component: 1150 - total flux cleaned = -0.00111282 Jy ! Component: 1200 - total flux cleaned = -0.00111269 Jy ! Component: 1250 - total flux cleaned = -0.00109071 Jy ! Component: 1300 - total flux cleaned = -0.00104727 Jy ! Component: 1350 - total flux cleaned = -0.00104726 Jy ! Component: 1400 - total flux cleaned = -0.00100458 Jy ! Component: 1450 - total flux cleaned = -0.000983362 Jy ! Component: 1500 - total flux cleaned = -0.00096231 Jy ! Component: 1550 - total flux cleaned = -0.000962388 Jy ! Component: 1600 - total flux cleaned = -0.000962186 Jy ! Component: 1650 - total flux cleaned = -0.000900314 Jy ! Component: 1700 - total flux cleaned = -0.000920892 Jy ! Component: 1750 - total flux cleaned = -0.000900483 Jy ! Component: 1800 - total flux cleaned = -0.000880362 Jy ! Component: 1850 - total flux cleaned = -0.000900424 Jy ! Component: 1900 - total flux cleaned = -0.000880329 Jy ! Component: 1950 - total flux cleaned = -0.000840617 Jy ! Component: 2000 - total flux cleaned = -0.000801295 Jy ! Total flux subtracted in 2048 components = -0.000801422 Jy ! Clean residual min=-0.001118 max=0.001173 Jy/beam ! Clean residual mean=0.000026 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.37019 Jy keep ! Adding 160 model components to the UV plane model. ! The established model now contains 254 components and 0.37019 Jy wmap "J1242+3751_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7828 x 1.164 at -17.88 degrees (North through East) ! Clean map min=-0.0015665 max=0.20622 Jy/beam ! Writing clean map to FITS file: J1242+3751_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 0.206217 invert ! Inverting map ! Your choice of large map pixels excluded 8.44% of the data. ! The x-axis pixel size should ideally be below 0.181 milli-arcsec ! The y-axis pixel size should ideally be below 0.1707 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000346184 device "J1242+3751_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1242+3751_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.50362 0.50362 1.00724 2.01448 4.02896 8.05792 16.1158 32.2317 64.4634 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.206 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7828 x 1.164 at -17.88 degrees (North through East) ! Clean map min=-0.0015665 max=0.20622 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1242+3751_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1242+3751_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1242+3751_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:22:52 2010