! Started logfile: J1806+6949_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:26:49 2010 obs J1806+6949_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1806+6949_X_2007_12_05_pus_uva.fits ! AN table 1: 25 integrations on 136 of 136 possible baselines. ! AN table 2: 66 integrations on 136 of 136 possible baselines. ! AN table 3: 15 integrations on 136 of 136 possible baselines. ! AN table 4: 57 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.152066 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1806+6949 ! ! 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 13484 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 242 telescope corrections were flagged in sub-array 1. ! A total of 705 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! A total of 635 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 242 telescope corrections were flagged in sub-array 1. ! A total of 705 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! A total of 635 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 242 telescope corrections were flagged in sub-array 1. ! A total of 705 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! A total of 635 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 251 telescope corrections were flagged in sub-array 1. ! A total of 705 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! A total of 647 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.885297Jy sigma=0.009233 ! Fit after self-cal, rms=0.384217Jy sigma=0.004237 ! 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 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.5297 mas, bmaj=0.6485 mas, bpa=0.02104 degrees ! Estimated noise=999.522 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.505832 Jy ! Component: 100 - total flux cleaned = 0.692089 Jy ! Total flux subtracted in 100 components = 0.692089 Jy ! Clean residual min=-0.025682 max=0.090835 Jy/beam ! Clean residual mean=0.000318 rms=0.007162 Jy/beam ! Combined flux in latest and established models = 0.692089 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.692089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266371Jy sigma=0.002785 ! Fit after self-cal, rms=0.265884Jy sigma=0.002781 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-0.8, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0959668 Jy ! Component: 100 - total flux cleaned = 0.150171 Jy ! Total flux subtracted in 100 components = 0.150171 Jy ! Clean residual min=-0.018987 max=0.056985 Jy/beam ! Clean residual mean=0.000188 rms=0.004794 Jy/beam ! Combined flux in latest and established models = 0.84226 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 0.84226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195964Jy sigma=0.001970 ! Fit after self-cal, rms=0.194490Jy sigma=0.001953 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-2.4, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0464232 Jy ! Component: 100 - total flux cleaned = 0.0752718 Jy ! Total flux subtracted in 100 components = 0.0752718 Jy ! Clean residual min=-0.015398 max=0.037216 Jy/beam ! Clean residual mean=0.000121 rms=0.003688 Jy/beam ! Combined flux in latest and established models = 0.917532 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 27 components and 0.917532 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172527Jy sigma=0.001678 ! Fit after self-cal, rms=0.171127Jy sigma=0.001662 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (1, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0302637 Jy ! Component: 100 - total flux cleaned = 0.0508075 Jy ! Total flux subtracted in 100 components = 0.0508075 Jy ! Clean residual min=-0.012055 max=0.019350 Jy/beam ! Clean residual mean=0.000076 rms=0.002999 Jy/beam ! Combined flux in latest and established models = 0.96834 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 31 components and 0.96834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161159Jy sigma=0.001530 ! Fit after self-cal, rms=0.161070Jy sigma=0.001528 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-3.4, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198608 Jy ! Component: 100 - total flux cleaned = 0.03279 Jy ! Total flux subtracted in 100 components = 0.03279 Jy ! Clean residual min=-0.011456 max=0.016128 Jy/beam ! Clean residual mean=0.000047 rms=0.002766 Jy/beam ! Combined flux in latest and established models = 1.00113 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 1.00113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156707Jy sigma=0.001469 ! Fit after self-cal, rms=0.156500Jy sigma=0.001466 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6784 mas, bmaj=0.9269 mas, bpa=7.106 degrees ! Estimated noise=587.032 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 = 0.021645 Jy ! Component: 100 - total flux cleaned = 0.0341058 Jy ! Component: 150 - total flux cleaned = 0.0418804 Jy ! Component: 200 - total flux cleaned = 0.0467731 Jy ! Total flux subtracted in 200 components = 0.0467731 Jy ! Clean residual min=-0.010198 max=0.012837 Jy/beam ! Clean residual mean=0.001098 rms=0.003046 Jy/beam ! Combined flux in latest and established models = 1.0479 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 52 components and 1.0479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153877Jy sigma=0.001423 ! Fit after self-cal, rms=0.153592Jy sigma=0.001419 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 0.92 FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00 LA 0.97 MK 1.04 ! NL 1.06 NY 1.00* ON 1.00* OV 0.96 ! PT 0.94 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.09 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.10 HH 1.00* HN 1.13 ! KB 0.95 KP 1.02 LA 0.98 MK 1.00* ! NL 1.01 NY 1.02 ON 1.00* OV 0.98 ! PT 0.98 SV 1.00* TS 0.97 WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.98 HH 1.00* HN 1.00* ! KB 0.97 KP 0.98 LA 0.97 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 0.97 ! PT 0.97 SV 1.00* TS 0.95 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.05 HH 1.00* HN 1.08 ! KB 1.01 KP 1.06 LA 0.98 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 1.05 ! PT 1.01 SV 1.00* TS 1.02 WZ 1.00* ! ZC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.94 HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 0.95 MK 1.04 ! NL 1.04 NY 1.00* ON 1.00* OV 0.95 ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.05 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.09 HH 1.00* HN 1.16 ! KB 0.95 KP 0.97 LA 0.95 MK 1.00* ! NL 0.99 NY 1.03 ON 1.00* OV 0.95 ! PT 1.04 SV 1.00* TS 0.99 WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.96 HH 1.00* HN 1.00* ! KB 0.97 KP 0.94 LA 0.96 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 0.95 ! PT 0.99 SV 1.00* TS 0.95 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.07 HH 1.00* HN 1.09 ! KB 1.01 KP 1.03 LA 0.97 MK 1.00* ! NL 0.96 NY 1.00* ON 1.00* OV 1.03 ! PT 1.05 SV 1.00* TS 1.06 WZ 1.00* ! ZC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 0.98 MK 1.02 ! NL 1.06 NY 1.00* ON 1.00* OV 1.00 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.06 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.08 HH 1.00* HN 1.63 ! KB 0.98 KP 1.02 LA 0.99 MK 1.00* ! NL 0.99 NY 1.09 ON 1.00* OV 1.00 ! PT 1.04 SV 1.00* TS 0.96 WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 HH 1.00* HN 1.00* ! KB 0.97 KP 0.97 LA 0.98 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SV 1.00* TS 0.95 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.06 HH 1.00* HN 1.12 ! KB 0.99 KP 1.06 LA 1.01 MK 1.00* ! NL 0.98 NY 1.00* ON 1.00* OV 1.05 ! PT 1.07 SV 1.00* TS 1.03 WZ 1.00* ! ZC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00 LA 0.96 MK 1.09 ! NL 1.06 NY 1.00* ON 1.00* OV 0.98 ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.09 HH 1.00* HN 1.25 ! KB 1.00 KP 1.01 LA 0.97 MK 1.00* ! NL 1.00 NY 1.03 ON 1.00* OV 1.01 ! PT 1.04 SV 1.00* TS 0.98 WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.99 HH 1.00* HN 1.00* ! KB 0.96 KP 0.97 LA 0.97 MK 1.00* ! NL 1.03 NY 1.00* ON 1.00* OV 0.97 ! PT 1.00 SV 1.00* TS 0.94 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 0.98 FD 1.04 HH 1.00* HN 1.14 ! KB 1.00 KP 1.07 LA 1.01 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.05 ! PT 1.05 SV 1.00* TS 1.03 WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.153592Jy sigma=0.001419 ! Fit after self-cal, rms=0.149523Jy sigma=0.001296 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6765 mas, bmaj=0.9283 mas, bpa=8.417 degrees ! Estimated noise=589.332 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 (-5.8, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107888 Jy ! Component: 100 - total flux cleaned = 0.0135325 Jy ! Component: 150 - total flux cleaned = 0.0155865 Jy ! Component: 200 - total flux cleaned = 0.016158 Jy ! Total flux subtracted in 200 components = 0.016158 Jy ! Clean residual min=-0.007989 max=0.006548 Jy/beam ! Clean residual mean=0.000085 rms=0.001783 Jy/beam ! Combined flux in latest and established models = 1.06406 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 72 components and 1.06406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148702Jy sigma=0.001285 ! Fit after self-cal, rms=0.148681Jy sigma=0.001284 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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=0.148681Jy sigma=0.001284 ! Fit after self-cal, rms=0.146414Jy sigma=0.001251 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6763 mas, bmaj=0.9316 mas, bpa=8.342 degrees ! Estimated noise=590.404 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00351631 Jy ! Component: 100 - total flux cleaned = 0.0051707 Jy ! Component: 150 - total flux cleaned = 0.00633091 Jy ! Component: 200 - total flux cleaned = 0.00692838 Jy ! Total flux subtracted in 200 components = 0.00692837 Jy ! Clean residual min=-0.005697 max=0.005686 Jy/beam ! Clean residual mean=-0.000031 rms=0.001420 Jy/beam ! Combined flux in latest and established models = 1.07099 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 82 components and 1.07099 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146125Jy sigma=0.001248 ! Fit after self-cal, rms=0.146083Jy sigma=0.001247 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 = 0.000344154 Jy ! Component: 100 - total flux cleaned = 0.000852412 Jy ! Component: 150 - total flux cleaned = 0.00120245 Jy ! Component: 200 - total flux cleaned = 0.00136525 Jy ! Total flux subtracted in 200 components = 0.00136525 Jy ! Clean residual min=-0.005490 max=0.005489 Jy/beam ! Clean residual mean=-0.000054 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 1.07235 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 83 components and 1.07235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145948Jy sigma=0.001245 ! Fit after self-cal, rms=0.145925Jy sigma=0.001245 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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=0.145925Jy sigma=0.001245 ! Fit after self-cal, rms=0.143238Jy sigma=0.001221 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6747 mas, bmaj=0.933 mas, bpa=8.468 degrees ! Estimated noise=590.412 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125721 Jy ! Component: 100 - total flux cleaned = 0.00187383 Jy ! Component: 150 - total flux cleaned = 0.00216369 Jy ! Component: 200 - total flux cleaned = 0.00236214 Jy ! Total flux subtracted in 200 components = 0.00236214 Jy ! Clean residual min=-0.003593 max=0.005355 Jy/beam ! Clean residual mean=0.000073 rms=0.001004 Jy/beam ! Combined flux in latest and established models = 1.07472 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 86 components and 1.07472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143137Jy sigma=0.001219 ! Fit after self-cal, rms=0.143118Jy sigma=0.001219 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 (-14, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00501872 Jy ! Component: 100 - total flux cleaned = 0.00618887 Jy ! Component: 150 - total flux cleaned = 0.00734702 Jy ! Component: 200 - total flux cleaned = 0.00809448 Jy ! Total flux subtracted in 200 components = 0.00809448 Jy ! Clean residual min=-0.003669 max=0.003648 Jy/beam ! Clean residual mean=-0.000085 rms=0.000890 Jy/beam ! Combined flux in latest and established models = 1.08281 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 101 components and 1.08281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142908Jy sigma=0.001217 ! Fit after self-cal, rms=0.142877Jy sigma=0.001217 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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=0.142877Jy sigma=0.001217 ! Fit after self-cal, rms=0.142930Jy sigma=0.001216 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=3.187 mas, bmaj=3.464 mas, bpa=-1.191 degrees ! Estimated noise=742.967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00309697 Jy ! Component: 100 - total flux cleaned = 0.00444618 Jy ! Component: 150 - total flux cleaned = 0.00512958 Jy ! Component: 200 - total flux cleaned = 0.00569534 Jy ! Total flux subtracted in 200 components = 0.00569534 Jy ! Clean residual min=-0.003646 max=0.003968 Jy/beam ! Clean residual mean=-0.000117 rms=0.001120 Jy/beam ! Combined flux in latest and established models = 1.08851 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 112 components and 1.08851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142881Jy sigma=0.001216 ! Fit after self-cal, rms=0.142865Jy sigma=0.001216 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 = 6.33819e-05 Jy ! Component: 100 - total flux cleaned = 0.00058789 Jy ! Component: 150 - total flux cleaned = 0.000866042 Jy ! Component: 200 - total flux cleaned = 0.000986713 Jy ! Total flux subtracted in 200 components = 0.000986713 Jy ! Clean residual min=-0.003722 max=0.003987 Jy/beam ! Clean residual mean=-0.000150 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 1.08949 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 113 components and 1.08949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142840Jy sigma=0.001216 ! Fit after self-cal, rms=0.142832Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.675 mas, bmaj=0.9336 mas, bpa=8.522 degrees ! Estimated noise=590.862 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.675 x 0.9336 at 8.522 degrees (North through East) ! Clean map min=-0.0078289 max=0.63166 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=0.142832Jy sigma=0.001216 ! Fit after self-cal, rms=0.150341Jy sigma=0.001097 ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6746 mas, bmaj=0.9354 mas, bpa=8.527 degrees ! Estimated noise=591.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000564975 Jy ! Component: 100 - total flux cleaned = 0.000899816 Jy ! Component: 150 - total flux cleaned = 0.00102286 Jy ! Component: 200 - total flux cleaned = 0.00113898 Jy ! Total flux subtracted in 200 components = 0.00113898 Jy ! Clean residual min=-0.003172 max=0.003568 Jy/beam ! Clean residual mean=-0.000006 rms=0.000828 Jy/beam ! Combined flux in latest and established models = 1.09063 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 118 components and 1.09063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150286Jy sigma=0.001096 ! Fit after self-cal, rms=0.150281Jy sigma=0.001096 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-3.4, -18.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193747 Jy ! Component: 100 - total flux cleaned = 0.00193039 Jy ! Component: 150 - total flux cleaned = 0.00217023 Jy ! Component: 200 - total flux cleaned = 0.00222548 Jy ! Total flux subtracted in 200 components = 0.00222548 Jy ! Clean residual min=-0.003123 max=0.002955 Jy/beam ! Clean residual mean=-0.000039 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 1.09286 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 124 components and 1.09286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150188Jy sigma=0.001095 ! Fit after self-cal, rms=0.150181Jy sigma=0.001095 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150181Jy sigma=0.001095 ! Fit after self-cal, rms=0.150856Jy sigma=0.001095 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 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.5272 mas, bmaj=0.653 mas, bpa=3.232 degrees ! Estimated noise=1000.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.512389 Jy ! Component: 100 - total flux cleaned = 0.706024 Jy ! Component: 150 - total flux cleaned = 0.806674 Jy ! Component: 200 - total flux cleaned = 0.869076 Jy ! Total flux subtracted in 200 components = 0.869076 Jy ! Clean residual min=-0.011523 max=0.033640 Jy/beam ! Clean residual mean=0.000184 rms=0.003434 Jy/beam ! Combined flux in latest and established models = 0.869076 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.869076 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6745 mas, bmaj=0.9362 mas, bpa=8.579 degrees ! Estimated noise=591.425 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 = 0.0782974 Jy ! Component: 100 - total flux cleaned = 0.122663 Jy ! Component: 150 - total flux cleaned = 0.149745 Jy ! Component: 200 - total flux cleaned = 0.167892 Jy ! Total flux subtracted in 200 components = 0.167892 Jy ! Clean residual min=-0.003940 max=0.010932 Jy/beam ! Clean residual mean=0.000948 rms=0.001640 Jy/beam ! Combined flux in latest and established models = 1.03697 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 57 components and 1.03697 Jy ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-1.6, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0127199 Jy ! Component: 100 - total flux cleaned = 0.0220457 Jy ! Component: 150 - total flux cleaned = 0.0293384 Jy ! Component: 200 - total flux cleaned = 0.0352497 Jy ! Total flux subtracted in 200 components = 0.0352497 Jy ! Clean residual min=-0.003401 max=0.004735 Jy/beam ! Clean residual mean=0.000342 rms=0.001018 Jy/beam ! Combined flux in latest and established models = 1.07222 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 87 components and 1.07222 Jy ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Added new window around map position (-4.6, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00521271 Jy ! Component: 100 - total flux cleaned = 0.00933378 Jy ! Component: 150 - total flux cleaned = 0.0115883 Jy ! Component: 200 - total flux cleaned = 0.0132278 Jy ! Total flux subtracted in 200 components = 0.0132278 Jy ! Clean residual min=-0.003289 max=0.003573 Jy/beam ! Clean residual mean=0.000117 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 1.08545 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 107 components and 1.08545 Jy ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 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 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=3.186 mas, bmaj=3.465 mas, bpa=-1.052 degrees ! Estimated noise=743.228 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00379814 Jy ! Component: 100 - total flux cleaned = 0.00630264 Jy ! Component: 150 - total flux cleaned = 0.00812493 Jy ! Component: 200 - total flux cleaned = 0.00909267 Jy ! Total flux subtracted in 200 components = 0.00909267 Jy ! Clean residual min=-0.003792 max=0.003299 Jy/beam ! Clean residual mean=-0.000082 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 1.09454 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 = 0.000335971 Jy ! Component: 100 - total flux cleaned = 0.00055133 Jy ! Component: 150 - total flux cleaned = 0.000787134 Jy ! Component: 200 - total flux cleaned = 0.000931998 Jy ! Total flux subtracted in 200 components = 0.000931998 Jy ! Clean residual min=-0.003792 max=0.003221 Jy/beam ! Clean residual mean=-0.000115 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 1.09547 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 138 components and 1.09547 Jy ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! Estimated beam: bmin=0.6745 mas, bmaj=0.9362 mas, bpa=8.579 degrees ! Estimated noise=591.425 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000267343 Jy ! Component: 100 - total flux cleaned = -0.000109158 Jy ! Component: 150 - total flux cleaned = 3.33997e-05 Jy ! Component: 200 - total flux cleaned = 9.93075e-05 Jy ! Total flux subtracted in 200 components = 9.93076e-05 Jy ! Clean residual min=-0.003180 max=0.002851 Jy/beam ! Clean residual mean=-0.000059 rms=0.000790 Jy/beam ! Combined flux in latest and established models = 1.09557 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 144 components and 1.09557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151144Jy sigma=0.001096 ! Fit after self-cal, rms=0.151064Jy sigma=0.001095 wmodel J1806+6949_X_2007_12_05_pus_map.mod ! Writing 144 model components to file: J1806+6949_X_2007_12_05_pus_map.mod wobs J1806+6949_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1806+6949_X_2007_12_05_pus_uvs.fits wwins J1806+6949_X_2007_12_05_pus_map.win ! wwins: Wrote 10 windows to J1806+6949_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 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000994933 Jy ! Component: 100 - total flux cleaned = -0.000942056 Jy ! Component: 150 - total flux cleaned = -0.00104558 Jy ! Component: 200 - total flux cleaned = -0.00114523 Jy ! Component: 250 - total flux cleaned = -0.00124287 Jy ! Component: 300 - total flux cleaned = -0.00129079 Jy ! Component: 350 - total flux cleaned = -0.00138265 Jy ! Component: 400 - total flux cleaned = -0.00133737 Jy ! Component: 450 - total flux cleaned = -0.00129383 Jy ! Component: 500 - total flux cleaned = -0.00142351 Jy ! Component: 550 - total flux cleaned = -0.00146515 Jy ! Component: 600 - total flux cleaned = -0.0015064 Jy ! Component: 650 - total flux cleaned = -0.00158822 Jy ! Component: 700 - total flux cleaned = -0.00166887 Jy ! Component: 750 - total flux cleaned = -0.00166849 Jy ! Component: 800 - total flux cleaned = -0.0017474 Jy ! Component: 850 - total flux cleaned = -0.00182569 Jy ! Component: 900 - total flux cleaned = -0.00190322 Jy ! Component: 950 - total flux cleaned = -0.00205563 Jy ! Component: 1000 - total flux cleaned = -0.00213084 Jy ! Component: 1050 - total flux cleaned = -0.00216816 Jy ! Component: 1100 - total flux cleaned = -0.00224233 Jy ! Component: 1150 - total flux cleaned = -0.00231544 Jy ! Component: 1200 - total flux cleaned = -0.00238787 Jy ! Component: 1250 - total flux cleaned = -0.00245942 Jy ! Component: 1300 - total flux cleaned = -0.00256575 Jy ! Component: 1350 - total flux cleaned = -0.00256576 Jy ! Component: 1400 - total flux cleaned = -0.00267024 Jy ! Component: 1450 - total flux cleaned = -0.00270476 Jy ! Component: 1500 - total flux cleaned = -0.00273896 Jy ! Component: 1550 - total flux cleaned = -0.00280682 Jy ! Component: 1600 - total flux cleaned = -0.00280676 Jy ! Component: 1650 - total flux cleaned = -0.00284015 Jy ! Component: 1700 - total flux cleaned = -0.00284015 Jy ! Component: 1750 - total flux cleaned = -0.00290593 Jy ! Component: 1800 - total flux cleaned = -0.0028408 Jy ! Component: 1850 - total flux cleaned = -0.00297053 Jy ! Component: 1900 - total flux cleaned = -0.00293832 Jy ! Component: 1950 - total flux cleaned = -0.00300234 Jy ! Component: 2000 - total flux cleaned = -0.00300231 Jy ! Total flux subtracted in 2048 components = -0.00303384 Jy ! Clean residual min=-0.001572 max=0.001890 Jy/beam ! Clean residual mean=-0.000019 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 1.09254 Jy keep ! Adding 163 model components to the UV plane model. ! The established model now contains 307 components and 1.09254 Jy wmap "J1806+6949_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6745 x 0.9362 at 8.579 degrees (North through East) ! Clean map min=-0.0036611 max=0.63451 Jy/beam ! Writing clean map to FITS file: J1806+6949_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 0.634509 invert ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000557532 device "J1806+6949_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1806+6949_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.263605 0.263605 0.52721 1.05442 2.10884 4.21768 8.43536 16.8707 33.7414 67.4829 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.634 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6745 x 0.9362 at 8.579 degrees (North through East) ! Clean map min=-0.0036611 max=0.63451 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1806+6949_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1806+6949_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1806+6949_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:26:57 2010