! Started logfile: J0825+0309_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:47:21 2010 obs J0825+0309_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0825+0309_X_2008_04_02_pus_uva.fits ! AN table 1: 26 integrations on 120 of 120 possible baselines. ! AN table 2: 140 integrations on 120 of 120 possible baselines. ! AN table 3: 88 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0868766 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0825+0309 ! ! 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 2284 lines of history. ! ! Reading 10592 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 338 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! A total of 938 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 338 telescope corrections were flagged in sub-array 1. ! A total of 1802 telescope corrections were flagged in sub-array 2. ! A total of 938 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 338 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! A total of 938 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 338 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! A total of 938 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.643407Jy sigma=0.004061 ! Fit after self-cal, rms=0.437975Jy sigma=0.002339 ! 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 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.7376 mas, bmaj=1.34 mas, bpa=-0.3149 degrees ! Estimated noise=1544.35 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 = 0.552041 Jy ! Component: 100 - total flux cleaned = 0.718488 Jy ! Total flux subtracted in 100 components = 0.718488 Jy ! Clean residual min=-0.026596 max=0.071755 Jy/beam ! Clean residual mean=0.000092 rms=0.008739 Jy/beam ! Combined flux in latest and established models = 0.718488 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.718488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.338805Jy sigma=0.001596 ! Fit after self-cal, rms=0.336839Jy sigma=0.001593 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0766368 Jy ! Component: 100 - total flux cleaned = 0.115383 Jy ! Total flux subtracted in 100 components = 0.115383 Jy ! Clean residual min=-0.019478 max=0.048954 Jy/beam ! Clean residual mean=0.000019 rms=0.005648 Jy/beam ! Combined flux in latest and established models = 0.833871 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.833871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319077Jy sigma=0.001345 ! Fit after self-cal, rms=0.318007Jy sigma=0.001344 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Added new window around map position (1.4, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.043669 Jy ! Component: 100 - total flux cleaned = 0.0671558 Jy ! Total flux subtracted in 100 components = 0.0671558 Jy ! Clean residual min=-0.016134 max=0.018510 Jy/beam ! Clean residual mean=-0.000011 rms=0.004139 Jy/beam ! Combined flux in latest and established models = 0.901026 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 0.901026 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312668Jy sigma=0.001256 ! Fit after self-cal, rms=0.312365Jy sigma=0.001250 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8766 mas, bmaj=1.173 mas, bpa=0.547 degrees ! Estimated noise=1094.74 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 = 0.0223721 Jy ! Component: 100 - total flux cleaned = 0.0338999 Jy ! Component: 150 - total flux cleaned = 0.0354047 Jy ! Component: 200 - total flux cleaned = 0.0360715 Jy ! Total flux subtracted in 200 components = 0.0360715 Jy ! Clean residual min=-0.013436 max=0.011483 Jy/beam ! Clean residual mean=-0.000058 rms=0.003026 Jy/beam ! Combined flux in latest and established models = 0.937098 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.937098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310049Jy sigma=0.001230 ! Fit after self-cal, rms=0.310070Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 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* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.10 ON 0.84 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00 ZC 1.17 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.89 HN 1.00 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.97 OV 1.00* ! PT 1.00* SC 0.98 WZ 1.00* ZC 0.98 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.99 HH 1.00* HN 0.99 ! KK 0.97 KP 1.00 LA 1.00 MK 1.01 ! NL 1.00 NY 1.00* ON 1.00* OV 0.99 ! PT 1.01 SC 0.97 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 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* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 0.91 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.98 ZC 1.21 ! ! A total of 159 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.83 HN 0.98 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 1.08 OV 1.00* ! PT 1.00* SC 1.02 WZ 1.00* ZC 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.99 HH 1.00* HN 1.00 ! KK 0.99 KP 0.96 LA 0.99 MK 0.99 ! NL 0.97 NY 1.00* ON 1.00* OV 0.98 ! PT 0.99 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 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* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.97 ON 1.04 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.91 ZC 1.24 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.86 HN 0.94 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.97 ON 1.02 OV 1.00* ! PT 1.00* SC 1.05 WZ 1.00* ZC 1.01 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.98 HH 1.00* HN 1.02 ! KK 1.03 KP 0.99 LA 1.02 MK 1.01 ! NL 1.00 NY 1.00* ON 1.00* OV 1.03 ! PT 0.99 SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 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* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 1.07 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.92 ZC 1.18 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.87 HN 1.06 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.93 ON 1.07 OV 1.00* ! PT 1.00* SC 1.03 WZ 1.00* ZC 1.03 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.98 HH 1.00* HN 1.01 ! KK 0.95 KP 1.00 LA 1.02 MK 1.07 ! NL 1.01 NY 1.00* ON 1.00* OV 1.00 ! PT 0.99 SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.310070Jy sigma=0.001229 ! Fit after self-cal, rms=0.289039Jy sigma=0.001215 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8639 mas, bmaj=1.134 mas, bpa=3.54 degrees ! Estimated noise=1095.53 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 = 0.0030412 Jy ! Component: 100 - total flux cleaned = 0.00259258 Jy ! Component: 150 - total flux cleaned = 0.00223716 Jy ! Component: 200 - total flux cleaned = 0.002225 Jy ! Total flux subtracted in 200 components = 0.002225 Jy ! Clean residual min=-0.008943 max=0.009716 Jy/beam ! Clean residual mean=-0.000091 rms=0.002382 Jy/beam ! Combined flux in latest and established models = 0.939323 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 40 components and 0.939323 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.288688Jy sigma=0.001212 ! Fit after self-cal, rms=0.288473Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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=0.288473Jy sigma=0.001212 ! Fit after self-cal, rms=0.285665Jy sigma=0.001191 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8628 mas, bmaj=1.131 mas, bpa=3.656 degrees ! Estimated noise=1095.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000590745 Jy ! Component: 100 - total flux cleaned = 2.15723e-05 Jy ! Component: 150 - total flux cleaned = -0.000479592 Jy ! Component: 200 - total flux cleaned = -0.000815539 Jy ! Total flux subtracted in 200 components = -0.000815539 Jy ! Clean residual min=-0.007968 max=0.007796 Jy/beam ! Clean residual mean=-0.000039 rms=0.001973 Jy/beam ! Combined flux in latest and established models = 0.938507 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 0.938507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285497Jy sigma=0.001190 ! Fit after self-cal, rms=0.285435Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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 = -0.000111557 Jy ! Component: 100 - total flux cleaned = -0.000325594 Jy ! Component: 150 - total flux cleaned = -0.000322354 Jy ! Component: 200 - total flux cleaned = -0.000321892 Jy ! Total flux subtracted in 200 components = -0.000321892 Jy ! Clean residual min=-0.007908 max=0.007685 Jy/beam ! Clean residual mean=-0.000038 rms=0.001950 Jy/beam ! Combined flux in latest and established models = 0.938185 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 47 components and 0.938185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285333Jy sigma=0.001189 ! Fit after self-cal, rms=0.285286Jy sigma=0.001189 ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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=0.285286Jy sigma=0.001189 ! Fit after self-cal, rms=0.284860Jy sigma=0.001182 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8622 mas, bmaj=1.129 mas, bpa=3.81 degrees ! Estimated noise=1095.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000698619 Jy ! Component: 100 - total flux cleaned = 0.00050602 Jy ! Component: 150 - total flux cleaned = 0.000421127 Jy ! Component: 200 - total flux cleaned = 0.000424549 Jy ! Total flux subtracted in 200 components = 0.000424549 Jy ! Clean residual min=-0.006345 max=0.006920 Jy/beam ! Clean residual mean=-0.000021 rms=0.001523 Jy/beam ! Combined flux in latest and established models = 0.93861 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 49 components and 0.93861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284780Jy sigma=0.001181 ! Fit after self-cal, rms=0.284764Jy sigma=0.001181 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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 (6, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00621138 Jy ! Component: 100 - total flux cleaned = 0.00809743 Jy ! Component: 150 - total flux cleaned = 0.00844492 Jy ! Component: 200 - total flux cleaned = 0.00886413 Jy ! Total flux subtracted in 200 components = 0.00886413 Jy ! Clean residual min=-0.005982 max=0.005318 Jy/beam ! Clean residual mean=-0.000008 rms=0.001373 Jy/beam ! Combined flux in latest and established models = 0.947474 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 59 components and 0.947474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284578Jy sigma=0.001179 ! Fit after self-cal, rms=0.284498Jy sigma=0.001179 ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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=0.284498Jy sigma=0.001179 ! Fit after self-cal, rms=0.284329Jy sigma=0.001179 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=2.38 mas, bmaj=3.771 mas, bpa=-20.34 degrees ! Estimated noise=1215.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000910218 Jy ! Component: 100 - total flux cleaned = 0.0016655 Jy ! Component: 150 - total flux cleaned = 0.00224413 Jy ! Component: 200 - total flux cleaned = 0.0025809 Jy ! Total flux subtracted in 200 components = 0.0025809 Jy ! Clean residual min=-0.005245 max=0.004699 Jy/beam ! Clean residual mean=-0.000004 rms=0.001349 Jy/beam ! Combined flux in latest and established models = 0.950055 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 71 components and 0.950055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284336Jy sigma=0.001179 ! Fit after self-cal, rms=0.284318Jy sigma=0.001179 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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 = -0.000208699 Jy ! Component: 100 - total flux cleaned = 9.69141e-05 Jy ! Component: 150 - total flux cleaned = 0.000273643 Jy ! Component: 200 - total flux cleaned = 0.000468337 Jy ! Total flux subtracted in 200 components = 0.000468337 Jy ! Clean residual min=-0.005128 max=0.004765 Jy/beam ! Clean residual mean=-0.000003 rms=0.001337 Jy/beam ! Combined flux in latest and established models = 0.950523 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 76 components and 0.950523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284326Jy sigma=0.001179 ! Fit after self-cal, rms=0.284318Jy sigma=0.001179 ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8624 mas, bmaj=1.128 mas, bpa=3.907 degrees ! Estimated noise=1095.91 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8624 x 1.128 at 3.907 degrees (North through East) ! Clean map min=-0.0049854 max=0.66643 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=0.284318Jy sigma=0.001179 ! Fit after self-cal, rms=0.573949Jy sigma=0.001012 ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8624 mas, bmaj=1.125 mas, bpa=3.579 degrees ! Estimated noise=1095.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141139 Jy ! Component: 100 - total flux cleaned = 0.00171521 Jy ! Component: 150 - total flux cleaned = 0.00170683 Jy ! Component: 200 - total flux cleaned = 0.00162368 Jy ! Total flux subtracted in 200 components = 0.00162368 Jy ! Clean residual min=-0.005292 max=0.004910 Jy/beam ! Clean residual mean=-0.000001 rms=0.001288 Jy/beam ! Combined flux in latest and established models = 0.952147 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 83 components and 0.952147 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.573901Jy sigma=0.001012 ! Fit after self-cal, rms=0.573885Jy sigma=0.001012 ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000233296 Jy ! Component: 100 - total flux cleaned = -7.18056e-05 Jy ! Component: 150 - total flux cleaned = 1.41365e-07 Jy ! Component: 200 - total flux cleaned = 6.73284e-07 Jy ! Total flux subtracted in 200 components = 6.73284e-07 Jy ! Clean residual min=-0.005275 max=0.004855 Jy/beam ! Clean residual mean=-0.000001 rms=0.001266 Jy/beam ! Combined flux in latest and established models = 0.952148 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 86 components and 0.952148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.573868Jy sigma=0.001011 ! Fit after self-cal, rms=0.573835Jy sigma=0.001011 ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.573835Jy sigma=0.001011 ! Fit after self-cal, rms=0.959544Jy sigma=0.001011 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 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.7347 mas, bmaj=1.299 mas, bpa=0.6475 degrees ! Estimated noise=1538.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.54925 Jy ! Component: 100 - total flux cleaned = 0.718583 Jy ! Component: 150 - total flux cleaned = 0.798763 Jy ! Component: 200 - total flux cleaned = 0.845137 Jy ! Total flux subtracted in 200 components = 0.845137 Jy ! Clean residual min=-0.011920 max=0.023871 Jy/beam ! Clean residual mean=0.000042 rms=0.003541 Jy/beam ! Combined flux in latest and established models = 0.845137 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.845137 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8624 mas, bmaj=1.124 mas, bpa=3.554 degrees ! Estimated noise=1096 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 = 0.0387353 Jy ! Component: 100 - total flux cleaned = 0.0613473 Jy ! Component: 150 - total flux cleaned = 0.0752278 Jy ! Component: 200 - total flux cleaned = 0.0846238 Jy ! Total flux subtracted in 200 components = 0.0846238 Jy ! Clean residual min=-0.007036 max=0.007249 Jy/beam ! Clean residual mean=0.000007 rms=0.001659 Jy/beam ! Combined flux in latest and established models = 0.929761 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 32 components and 0.929761 Jy ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Added new window around map position (2.4, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00775569 Jy ! Component: 100 - total flux cleaned = 0.0118601 Jy ! Component: 150 - total flux cleaned = 0.0136975 Jy ! Component: 200 - total flux cleaned = 0.0149614 Jy ! Total flux subtracted in 200 components = 0.0149614 Jy ! Clean residual min=-0.006050 max=0.005025 Jy/beam ! Clean residual mean=0.000005 rms=0.001388 Jy/beam ! Combined flux in latest and established models = 0.944722 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 47 components and 0.944722 Jy ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 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 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=2.379 mas, bmaj=3.774 mas, bpa=-20.41 degrees ! Estimated noise=1216.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00312667 Jy ! Component: 100 - total flux cleaned = 0.00478492 Jy ! Component: 150 - total flux cleaned = 0.00541977 Jy ! Component: 200 - total flux cleaned = 0.00589403 Jy ! Total flux subtracted in 200 components = 0.00589403 Jy ! Clean residual min=-0.004887 max=0.004465 Jy/beam ! Clean residual mean=0.000003 rms=0.001316 Jy/beam ! Combined flux in latest and established models = 0.950616 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 = 0.000361332 Jy ! Component: 100 - total flux cleaned = 0.000642641 Jy ! Component: 150 - total flux cleaned = 0.000895208 Jy ! Component: 200 - total flux cleaned = 0.00115484 Jy ! Total flux subtracted in 200 components = 0.00115484 Jy ! Clean residual min=-0.004729 max=0.004459 Jy/beam ! Clean residual mean=0.000002 rms=0.001308 Jy/beam ! Combined flux in latest and established models = 0.951771 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 77 components and 0.951771 Jy ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! Estimated beam: bmin=0.8624 mas, bmaj=1.124 mas, bpa=3.554 degrees ! Estimated noise=1096 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00225598 Jy ! Component: 100 - total flux cleaned = -0.00255704 Jy ! Component: 150 - total flux cleaned = -0.00255822 Jy ! Component: 200 - total flux cleaned = -0.00231504 Jy ! Total flux subtracted in 200 components = -0.00231504 Jy ! Clean residual min=-0.005727 max=0.005068 Jy/beam ! Clean residual mean=0.000002 rms=0.001283 Jy/beam ! Combined flux in latest and established models = 0.949456 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 86 components and 0.949456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.960008Jy sigma=0.001012 ! Fit after self-cal, rms=0.959955Jy sigma=0.001011 wmodel J0825+0309_X_2008_04_02_pus_map.mod ! Writing 86 model components to file: J0825+0309_X_2008_04_02_pus_map.mod wobs J0825+0309_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0825+0309_X_2008_04_02_pus_uvs.fits wwins J0825+0309_X_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J0825+0309_X_2008_04_02_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 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00250207 Jy ! Component: 100 - total flux cleaned = -0.00432087 Jy ! Component: 150 - total flux cleaned = -0.00554488 Jy ! Component: 200 - total flux cleaned = -0.00678915 Jy ! Component: 250 - total flux cleaned = -0.00813263 Jy ! Component: 300 - total flux cleaned = -0.00914479 Jy ! Component: 350 - total flux cleaned = -0.010126 Jy ! Component: 400 - total flux cleaned = -0.0107403 Jy ! Component: 450 - total flux cleaned = -0.0112743 Jy ! Component: 500 - total flux cleaned = -0.0118613 Jy ! Component: 550 - total flux cleaned = -0.012438 Jy ! Component: 600 - total flux cleaned = -0.0130662 Jy ! Component: 650 - total flux cleaned = -0.0136199 Jy ! Component: 700 - total flux cleaned = -0.014103 Jy ! Component: 750 - total flux cleaned = -0.0144588 Jy ! Component: 800 - total flux cleaned = -0.0149826 Jy ! Component: 850 - total flux cleaned = -0.0152116 Jy ! Component: 900 - total flux cleaned = -0.0157766 Jy ! Component: 950 - total flux cleaned = -0.0159432 Jy ! Component: 1000 - total flux cleaned = -0.0163263 Jy ! Component: 1050 - total flux cleaned = -0.0164351 Jy ! Component: 1100 - total flux cleaned = -0.0168608 Jy ! Component: 1150 - total flux cleaned = -0.0169669 Jy ! Component: 1200 - total flux cleaned = -0.0169666 Jy ! Component: 1250 - total flux cleaned = -0.0170188 Jy ! Component: 1300 - total flux cleaned = -0.0173225 Jy ! Component: 1350 - total flux cleaned = -0.0173723 Jy ! Component: 1400 - total flux cleaned = -0.0177663 Jy ! Component: 1450 - total flux cleaned = -0.0178627 Jy ! Component: 1500 - total flux cleaned = -0.0179577 Jy ! Component: 1550 - total flux cleaned = -0.0181484 Jy ! Component: 1600 - total flux cleaned = -0.0182897 Jy ! Component: 1650 - total flux cleaned = -0.0183364 Jy ! Component: 1700 - total flux cleaned = -0.018613 Jy ! Component: 1750 - total flux cleaned = -0.0185672 Jy ! Component: 1800 - total flux cleaned = -0.0189274 Jy ! Component: 1850 - total flux cleaned = -0.0189278 Jy ! Component: 1900 - total flux cleaned = -0.0190161 Jy ! Component: 1950 - total flux cleaned = -0.0191908 Jy ! Component: 2000 - total flux cleaned = -0.0192338 Jy ! Total flux subtracted in 2048 components = -0.0192766 Jy ! Clean residual min=-0.002210 max=0.003007 Jy/beam ! Clean residual mean=0.000002 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.930179 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 226 components and 0.930179 Jy wmap "J0825+0309_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8624 x 1.124 at 3.554 degrees (North through East) ! Clean map min=-0.0037088 max=0.67047 Jy/beam ! Writing clean map to FITS file: J0825+0309_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.670468 invert ! Inverting map ! Your choice of large map pixels excluded 4.35% of the data. ! The x-axis pixel size should ideally be below 0.1954 milli-arcsec ! The y-axis pixel size should ideally be below 0.1856 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000757274 device "J0825+0309_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0825+0309_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.338841 0.338841 0.677683 1.35537 2.71073 5.42146 10.8429 21.6858 43.3717 86.7434 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.67 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8624 x 1.124 at 3.554 degrees (North through East) ! Clean map min=-0.0037088 max=0.67047 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0825+0309_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0825+0309_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0825+0309_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:47:27 2010