! Started logfile: J0334-4008_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:23:12 2011 obs J0334-4008_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0334-4008_X_2009_04_21_pus_uva.fits ! AN table 1: 12 integrations on 120 of 120 possible baselines. ! AN table 2: 41 integrations on 120 of 120 possible baselines. ! AN table 3: 1 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.121759 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0334-4008 ! ! 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 2445 lines of history. ! ! Reading 3156 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 ![@muppet J0334-4008_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 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 162 telescope corrections were flagged in sub-array 1. ! A total of 440 telescope corrections were flagged in sub-array 2. ! A total of 16 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 162 telescope corrections were flagged in sub-array 1. ! A total of 440 telescope corrections were flagged in sub-array 2. ! A total of 16 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 162 telescope corrections were flagged in sub-array 1. ! A total of 440 telescope corrections were flagged in sub-array 2. ! A total of 16 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 162 telescope corrections were flagged in sub-array 1. ! A total of 440 telescope corrections were flagged in sub-array 2. ! A total of 16 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.658362Jy sigma=0.011366 ! Fit after self-cal, rms=1.574323Jy sigma=0.010892 ! 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 2.65% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.5859 mas, bmaj=1.771 mas, bpa=-2.83 degrees ! Estimated noise=3354.63 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 = 1.9619 Jy ! Component: 100 - total flux cleaned = 2.38972 Jy ! Total flux subtracted in 100 components = 2.38972 Jy ! Clean residual min=-0.078817 max=0.173289 Jy/beam ! Clean residual mean=-0.004779 rms=0.025966 Jy/beam ! Combined flux in latest and established models = 2.38972 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 2.38972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.379340Jy sigma=0.002581 ! Fit after self-cal, rms=0.379340Jy sigma=0.002581 ! Inverting map ! Your choice of large map pixels excluded 2.65% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Added new window around map position (8.4, -25.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.154164 Jy ! Component: 100 - total flux cleaned = 0.227083 Jy ! Total flux subtracted in 100 components = 0.227083 Jy ! Clean residual min=-0.081712 max=0.101574 Jy/beam ! Clean residual mean=-0.007096 rms=0.018025 Jy/beam ! Combined flux in latest and established models = 2.61681 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 2.61681 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302096Jy sigma=0.002090 ! Fit after self-cal, rms=0.295823Jy sigma=0.002043 ! Inverting map ! Your choice of large map pixels excluded 2.65% of the data. ! The x-axis pixel size should ideally be below 0.1945 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 2.65% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.674 mas, bmaj=2.019 mas, bpa=-6.271 degrees ! Estimated noise=1943.42 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 = 0.0709703 Jy ! Component: 100 - total flux cleaned = 0.106682 Jy ! Component: 150 - total flux cleaned = 0.127146 Jy ! Component: 200 - total flux cleaned = 0.130572 Jy ! Total flux subtracted in 200 components = 0.130572 Jy ! Clean residual min=-0.077381 max=0.064283 Jy/beam ! Clean residual mean=-0.016277 rms=0.016154 Jy/beam ! Combined flux in latest and established models = 2.74738 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 23 components and 2.74738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277640Jy sigma=0.001969 ! Fit after self-cal, rms=0.277292Jy sigma=0.001964 ! Inverting map ! Your choice of large map pixels excluded 2.65% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HN 1.00* KB 1.00* ! KK 1.03 KP 0.96 LA 0.95 MK 0.99 ! NL 1.10 NY 1.00* OV 1.04 PT 1.01 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HN 1.00* KB 1.00* ! KK 1.01 KP 0.97 LA 0.95 MK 0.98 ! NL 1.09 NY 1.00* OV 1.03 PT 0.99 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HN 1.00* KB 1.00* ! KK 1.03 KP 0.96 LA 0.94 MK 1.01 ! NL 1.10 NY 1.00* OV 1.04 PT 0.98 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 HN 1.00* KB 1.00* ! KK 0.99 KP 0.95 LA 0.94 MK 1.03 ! NL 1.11 NY 1.00* OV 1.03 PT 0.97 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.277292Jy sigma=0.001964 ! Fit after self-cal, rms=0.222067Jy sigma=0.001302 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6796 mas, bmaj=2.003 mas, bpa=-7.119 degrees ! Estimated noise=1997.21 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 = -0.0186015 Jy ! Component: 100 - total flux cleaned = -0.0185975 Jy ! Component: 150 - total flux cleaned = -0.0185912 Jy ! Component: 200 - total flux cleaned = -0.0185949 Jy ! Total flux subtracted in 200 components = -0.0185949 Jy ! Clean residual min=-0.034917 max=0.020150 Jy/beam ! Clean residual mean=0.000176 rms=0.006642 Jy/beam ! Combined flux in latest and established models = 2.72878 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 2.72878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217768Jy sigma=0.001277 ! Fit after self-cal, rms=0.217213Jy sigma=0.001274 ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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=0.217213Jy sigma=0.001274 ! Fit after self-cal, rms=0.216904Jy sigma=0.001268 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6794 mas, bmaj=2.003 mas, bpa=-7.11 degrees ! Estimated noise=1996.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.013928 Jy ! Component: 100 - total flux cleaned = -0.0143748 Jy ! Component: 150 - total flux cleaned = -0.014374 Jy ! Component: 200 - total flux cleaned = -0.0141083 Jy ! Total flux subtracted in 200 components = -0.0141083 Jy ! Clean residual min=-0.029411 max=0.018256 Jy/beam ! Clean residual mean=0.000138 rms=0.005669 Jy/beam ! Combined flux in latest and established models = 2.71467 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 35 components and 2.71467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214437Jy sigma=0.001254 ! Fit after self-cal, rms=0.213974Jy sigma=0.001252 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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 = -0.00334631 Jy ! Component: 100 - total flux cleaned = -0.00358934 Jy ! Component: 150 - total flux cleaned = -0.00338955 Jy ! Component: 200 - total flux cleaned = -0.00338511 Jy ! Total flux subtracted in 200 components = -0.00338511 Jy ! Clean residual min=-0.026668 max=0.019466 Jy/beam ! Clean residual mean=0.000102 rms=0.005424 Jy/beam ! Combined flux in latest and established models = 2.71129 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 40 components and 2.71129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213351Jy sigma=0.001248 ! Fit after self-cal, rms=0.213224Jy sigma=0.001248 ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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=0.213224Jy sigma=0.001248 ! Fit after self-cal, rms=0.212766Jy sigma=0.001241 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6791 mas, bmaj=2.003 mas, bpa=-7.108 degrees ! Estimated noise=1996.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.010414 Jy ! Component: 100 - total flux cleaned = -0.0101045 Jy ! Component: 150 - total flux cleaned = -0.00986272 Jy ! Component: 200 - total flux cleaned = -0.00925482 Jy ! Total flux subtracted in 200 components = -0.00925482 Jy ! Clean residual min=-0.023494 max=0.016212 Jy/beam ! Clean residual mean=0.000119 rms=0.004682 Jy/beam ! Combined flux in latest and established models = 2.70203 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 42 components and 2.70203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211534Jy sigma=0.001234 ! Fit after self-cal, rms=0.211296Jy sigma=0.001233 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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 = -0.0025169 Jy ! Component: 100 - total flux cleaned = -0.00270789 Jy ! Component: 150 - total flux cleaned = -0.00271161 Jy ! Component: 200 - total flux cleaned = -0.00258992 Jy ! Total flux subtracted in 200 components = -0.00258992 Jy ! Clean residual min=-0.021429 max=0.017052 Jy/beam ! Clean residual mean=0.000093 rms=0.004530 Jy/beam ! Combined flux in latest and established models = 2.69945 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 43 components and 2.69945 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210942Jy sigma=0.001230 ! Fit after self-cal, rms=0.210866Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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=0.210866Jy sigma=0.001230 ! Fit after self-cal, rms=0.210740Jy sigma=0.001227 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=2.546 mas, bmaj=8.686 mas, bpa=0.1617 degrees ! Estimated noise=2780.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00541912 Jy ! Component: 100 - total flux cleaned = -0.00513114 Jy ! Component: 150 - total flux cleaned = -0.00494751 Jy ! Component: 200 - total flux cleaned = -0.00495253 Jy ! Total flux subtracted in 200 components = -0.00495253 Jy ! Clean residual min=-0.021122 max=0.017067 Jy/beam ! Clean residual mean=0.000276 rms=0.005884 Jy/beam ! Combined flux in latest and established models = 2.69449 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 2.69449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210825Jy sigma=0.001227 ! Fit after self-cal, rms=0.210727Jy sigma=0.001226 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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 = -0.00143373 Jy ! Component: 100 - total flux cleaned = -0.00142097 Jy ! Component: 150 - total flux cleaned = -0.00131696 Jy ! Component: 200 - total flux cleaned = -0.00115238 Jy ! Total flux subtracted in 200 components = -0.00115238 Jy ! Clean residual min=-0.020593 max=0.016850 Jy/beam ! Clean residual mean=0.000243 rms=0.005725 Jy/beam ! Combined flux in latest and established models = 2.69334 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 46 components and 2.69334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210837Jy sigma=0.001227 ! Fit after self-cal, rms=0.210816Jy sigma=0.001227 ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6788 mas, bmaj=2.002 mas, bpa=-7.11 degrees ! Estimated noise=1996.68 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6788 x 2.002 at -7.11 degrees (North through East) ! Clean map min=-0.01663 max=2.4869 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=0.210816Jy sigma=0.001227 ! Fit after self-cal, rms=0.193896Jy sigma=0.001103 ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6785 mas, bmaj=1.999 mas, bpa=-7.011 degrees ! Estimated noise=1998.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00693481 Jy ! Component: 100 - total flux cleaned = -0.00555357 Jy ! Component: 150 - total flux cleaned = -0.00445545 Jy ! Component: 200 - total flux cleaned = -0.00384239 Jy ! Total flux subtracted in 200 components = -0.00384239 Jy ! Clean residual min=-0.015245 max=0.013649 Jy/beam ! Clean residual mean=0.000011 rms=0.003669 Jy/beam ! Combined flux in latest and established models = 2.6895 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 59 components and 2.6895 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193064Jy sigma=0.001099 ! Fit after self-cal, rms=0.192942Jy sigma=0.001098 ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00174928 Jy ! Component: 100 - total flux cleaned = -0.00131848 Jy ! Component: 150 - total flux cleaned = -0.00131259 Jy ! Component: 200 - total flux cleaned = -0.00130616 Jy ! Total flux subtracted in 200 components = -0.00130616 Jy ! Clean residual min=-0.014565 max=0.013941 Jy/beam ! Clean residual mean=-0.000002 rms=0.003589 Jy/beam ! Combined flux in latest and established models = 2.68819 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 60 components and 2.68819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192653Jy sigma=0.001097 ! Fit after self-cal, rms=0.192610Jy sigma=0.001097 ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192610Jy sigma=0.001097 ! Fit after self-cal, rms=0.192541Jy 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 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.5901 mas, bmaj=1.732 mas, bpa=-3.716 degrees ! Estimated noise=3498.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.97498 Jy ! Component: 100 - total flux cleaned = 2.40709 Jy ! Component: 150 - total flux cleaned = 2.53484 Jy ! Component: 200 - total flux cleaned = 2.59266 Jy ! Total flux subtracted in 200 components = 2.59266 Jy ! Clean residual min=-0.022689 max=0.034094 Jy/beam ! Clean residual mean=-0.000170 rms=0.006079 Jy/beam ! Combined flux in latest and established models = 2.59266 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 13 model components to the UV plane model. ! The established model now contains 13 components and 2.59266 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6782 mas, bmaj=1.999 mas, bpa=-7.022 degrees ! Estimated noise=1997.3 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) ! Added new window around map position (7.8, -24.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0424447 Jy ! Component: 100 - total flux cleaned = 0.0643806 Jy ! Component: 150 - total flux cleaned = 0.0771113 Jy ! Component: 200 - total flux cleaned = 0.0847969 Jy ! Total flux subtracted in 200 components = 0.0847969 Jy ! Clean residual min=-0.014769 max=0.013350 Jy/beam ! Clean residual mean=-0.000038 rms=0.003472 Jy/beam ! Combined flux in latest and established models = 2.67745 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 29 components and 2.67745 Jy ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 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 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=2.551 mas, bmaj=8.688 mas, bpa=0.1887 degrees ! Estimated noise=2784.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0072257 Jy ! Component: 100 - total flux cleaned = 0.00761744 Jy ! Component: 150 - total flux cleaned = 0.00815071 Jy ! Component: 200 - total flux cleaned = 0.00863603 Jy ! Total flux subtracted in 200 components = 0.00863603 Jy ! Clean residual min=-0.016384 max=0.017527 Jy/beam ! Clean residual mean=0.000035 rms=0.004982 Jy/beam ! Combined flux in latest and established models = 2.68609 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 = 0.00043586 Jy ! Component: 100 - total flux cleaned = 0.00069823 Jy ! Component: 150 - total flux cleaned = 0.000826921 Jy ! Component: 200 - total flux cleaned = 0.000827682 Jy ! Total flux subtracted in 200 components = 0.000827682 Jy ! Clean residual min=-0.016045 max=0.016956 Jy/beam ! Clean residual mean=0.000034 rms=0.004774 Jy/beam ! Combined flux in latest and established models = 2.68692 Jy ! Adding 8 model components to the UV plane model. ! The established model now contains 36 components and 2.68692 Jy ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! Estimated beam: bmin=0.6782 mas, bmaj=1.999 mas, bpa=-7.022 degrees ! Estimated noise=1997.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00221785 Jy ! Component: 100 - total flux cleaned = -0.00246536 Jy ! Component: 150 - total flux cleaned = -0.00245322 Jy ! Component: 200 - total flux cleaned = -0.00262566 Jy ! Total flux subtracted in 200 components = -0.00262566 Jy ! Clean residual min=-0.014059 max=0.013329 Jy/beam ! Clean residual mean=0.000003 rms=0.003225 Jy/beam ! Combined flux in latest and established models = 2.68429 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 52 components and 2.68429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192020Jy sigma=0.001092 ! Fit after self-cal, rms=0.191674Jy sigma=0.001090 wmodel J0334-4008_X_2009_04_21_pus_map.mod ! Writing 52 model components to file: J0334-4008_X_2009_04_21_pus_map.mod wobs J0334-4008_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0334-4008_X_2009_04_21_pus_uvs.fits wwins J0334-4008_X_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J0334-4008_X_2009_04_21_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 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00370675 Jy ! Component: 100 - total flux cleaned = -0.00492214 Jy ! Component: 150 - total flux cleaned = -0.00493058 Jy ! Component: 200 - total flux cleaned = -0.00392914 Jy ! Component: 250 - total flux cleaned = -0.00361513 Jy ! Component: 300 - total flux cleaned = -0.00317881 Jy ! Component: 350 - total flux cleaned = -0.00291141 Jy ! Component: 400 - total flux cleaned = -0.00265378 Jy ! Component: 450 - total flux cleaned = -0.0024104 Jy ! Component: 500 - total flux cleaned = -0.00276515 Jy ! Component: 550 - total flux cleaned = -0.00310378 Jy ! Component: 600 - total flux cleaned = -0.00353783 Jy ! Component: 650 - total flux cleaned = -0.00406182 Jy ! Component: 700 - total flux cleaned = -0.00457096 Jy ! Component: 750 - total flux cleaned = -0.00516252 Jy ! Component: 800 - total flux cleaned = -0.00563869 Jy ! Component: 850 - total flux cleaned = -0.00582137 Jy ! Component: 900 - total flux cleaned = -0.00618003 Jy ! Component: 950 - total flux cleaned = -0.00635309 Jy ! Component: 1000 - total flux cleaned = -0.00695126 Jy ! Component: 1050 - total flux cleaned = -0.00728507 Jy ! Component: 1100 - total flux cleaned = -0.00785579 Jy ! Component: 1150 - total flux cleaned = -0.0085729 Jy ! Component: 1200 - total flux cleaned = -0.00903914 Jy ! Component: 1250 - total flux cleaned = -0.00964833 Jy ! Component: 1300 - total flux cleaned = -0.0100962 Jy ! Component: 1350 - total flux cleaned = -0.0106071 Jy ! Component: 1400 - total flux cleaned = -0.0111797 Jy ! Component: 1450 - total flux cleaned = -0.0119538 Jy ! Component: 1500 - total flux cleaned = -0.0127148 Jy ! Component: 1550 - total flux cleaned = -0.0135295 Jy ! Component: 1600 - total flux cleaned = -0.0141294 Jy ! Component: 1650 - total flux cleaned = -0.0148512 Jy ! Component: 1700 - total flux cleaned = -0.0153693 Jy ! Component: 1750 - total flux cleaned = -0.01607 Jy ! Component: 1800 - total flux cleaned = -0.0165726 Jy ! Component: 1850 - total flux cleaned = -0.0170685 Jy ! Component: 1900 - total flux cleaned = -0.0174985 Jy ! Component: 1950 - total flux cleaned = -0.0181039 Jy ! Component: 2000 - total flux cleaned = -0.0186422 Jy ! Total flux subtracted in 2048 components = -0.0191154 Jy ! Clean residual min=-0.003702 max=0.003373 Jy/beam ! Clean residual mean=0.000002 rms=0.001164 Jy/beam ! Combined flux in latest and established models = 2.66518 Jy keep ! Adding 114 model components to the UV plane model. ! The established model now contains 165 components and 2.66518 Jy ![Exited script file: muppet] wmap "J0334-4008_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6782 x 1.999 at -7.022 degrees (North through East) ! Clean map min=-0.011826 max=2.5175 Jy/beam ! Writing clean map to FITS file: J0334-4008_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.51748 invert ! Inverting map ! Your choice of large map pixels excluded 2.7% of the data. ! The x-axis pixel size should ideally be below 0.1945 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0011874 device "J0334-4008_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0334-4008_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.141499 0.141499 0.282999 0.565998 1.132 2.26399 4.52798 9.05596 18.1119 36.2238 72.4477 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.517 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6782 x 1.999 at -7.022 degrees (North through East) ! Clean map min=-0.011826 max=2.5175 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0334-4008_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0334-4008_X_2009_04_21_pus_map.gif/vgif' mapplot cln