! Started logfile: J0921-2618_X_2001_03_12_pus_uvs.log on Wed Jan 2 19:53:31 2013 obs J0921-2618_X_2001_03_12_pus_uva.fits ! Reading UV FITS file: J0921-2618_X_2001_03_12_pus_uva.fits ! AN table 1: 10 integrations on 136 of 136 possible baselines. ! AN table 2: 123 integrations on 136 of 136 possible baselines. ! AN table 3: 70 integrations on 136 of 136 possible baselines. ! AN table 4: 12 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0685021 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! ! 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 1749 lines of history. ! ! Reading 8012 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 J0921-2618_X_2001_03_12_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 170 telescope corrections were flagged in sub-array 1. ! A total of 2012 telescope corrections were flagged in sub-array 2. ! A total of 725 telescope corrections were flagged in sub-array 3. ! A total of 171 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 170 telescope corrections were flagged in sub-array 1. ! A total of 2008 telescope corrections were flagged in sub-array 2. ! A total of 725 telescope corrections were flagged in sub-array 3. ! A total of 171 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 170 telescope corrections were flagged in sub-array 1. ! A total of 2005 telescope corrections were flagged in sub-array 2. ! A total of 725 telescope corrections were flagged in sub-array 3. ! A total of 171 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 170 telescope corrections were flagged in sub-array 1. ! A total of 2014 telescope corrections were flagged in sub-array 2. ! A total of 725 telescope corrections were flagged in sub-array 3. ! A total of 171 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.846774Jy sigma=0.007280 ! Fit after self-cal, rms=0.509032Jy sigma=0.004529 ! 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 0.401% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7255 mas, bmaj=1.696 mas, bpa=-1.581 degrees ! Estimated noise=1402.73 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 = 0.970302 Jy ! Component: 100 - total flux cleaned = 1.26021 Jy ! Total flux subtracted in 100 components = 1.26021 Jy ! Clean residual min=-0.048061 max=0.133319 Jy/beam ! Clean residual mean=0.000071 rms=0.014892 Jy/beam ! Combined flux in latest and established models = 1.26021 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.26021 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350893Jy sigma=0.002956 ! Fit after self-cal, rms=0.350907Jy sigma=0.002956 ! Inverting map ! Your choice of large map pixels excluded 0.401% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.147035 Jy ! Component: 100 - total flux cleaned = 0.22585 Jy ! Total flux subtracted in 100 components = 0.22585 Jy ! Clean residual min=-0.033740 max=0.060614 Jy/beam ! Clean residual mean=-0.000120 rms=0.009030 Jy/beam ! Combined flux in latest and established models = 1.48606 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 1.48606 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259900Jy sigma=0.001941 ! Fit after self-cal, rms=0.260102Jy sigma=0.001940 ! Inverting map ! Your choice of large map pixels excluded 0.401% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Added new window around map position (-1, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0605513 Jy ! Component: 100 - total flux cleaned = 0.0979536 Jy ! Total flux subtracted in 100 components = 0.0979536 Jy ! Clean residual min=-0.029528 max=0.046622 Jy/beam ! Clean residual mean=-0.000221 rms=0.007590 Jy/beam ! Combined flux in latest and established models = 1.58401 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 1.58401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242478Jy sigma=0.001717 ! Fit after self-cal, rms=0.241336Jy sigma=0.001704 ! Inverting map ! Your choice of large map pixels excluded 0.401% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 0.401% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8843 mas, bmaj=2.309 mas, bpa=-3.446 degrees ! Estimated noise=956.524 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.4, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0487405 Jy ! Component: 100 - total flux cleaned = 0.0747918 Jy ! Component: 150 - total flux cleaned = 0.082084 Jy ! Component: 200 - total flux cleaned = 0.0832684 Jy ! Total flux subtracted in 200 components = 0.0832684 Jy ! Clean residual min=-0.019114 max=0.025237 Jy/beam ! Clean residual mean=-0.000630 rms=0.005320 Jy/beam ! Combined flux in latest and established models = 1.66728 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 55 components and 1.66728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232375Jy sigma=0.001582 ! Fit after self-cal, rms=0.231951Jy sigma=0.001575 ! Inverting map ! Your choice of large map pixels excluded 0.401% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 51 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.07 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MA 1.18 ! MC 0.88 MK 1.00* NL 1.00* ON 1.56 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.01 HH 1.00* HN 1.12 ! KK 1.02 KP 1.03 LA 0.99 MA 1.00* ! MC 1.00* MK 0.96 NL 1.00 ON 1.00* ! OV 0.97 PT 0.95 SC 0.94 TS 1.00* ! WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 51 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.88 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MA 1.03 ! MC 1.02 MK 1.00* NL 1.00* ON 1.59 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.00 HH 1.00* HN 1.11 ! KK 1.00 KP 0.96 LA 0.99 MA 1.00* ! MC 1.00* MK 0.96 NL 0.96 ON 1.00* ! OV 0.97 PT 0.99 SC 0.93 TS 1.00* ! WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MA 1.00 ! MC 1.13 MK 1.00* NL 1.00* ON 1.48 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WZ 1.00* ! ! A total of 12 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 1.13 ! KK 1.11 KP 0.95 LA 1.01 MA 1.00* ! MC 1.00* MK 0.99 NL 1.01 ON 1.00* ! OV 1.01 PT 1.03 SC 0.95 TS 1.00* ! WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.95 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MA 1.08 ! MC 1.07 MK 1.00* NL 1.00* ON 1.72 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 HH 1.00* HN 1.15 ! KK 1.05 KP 0.98 LA 0.99 MA 1.00* ! MC 1.00* MK 1.01 NL 1.02 ON 1.00* ! OV 0.98 PT 1.03 SC 1.00 TS 1.00* ! WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Fit before self-cal, rms=0.231951Jy sigma=0.001575 ! Fit after self-cal, rms=0.239146Jy sigma=0.001440 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8994 mas, bmaj=2.586 mas, bpa=-4.323 degrees ! Estimated noise=962.061 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 = -0.00506322 Jy ! Component: 100 - total flux cleaned = -0.00506643 Jy ! Component: 150 - total flux cleaned = -0.00550624 Jy ! Component: 200 - total flux cleaned = -0.0055186 Jy ! Total flux subtracted in 200 components = -0.0055186 Jy ! Clean residual min=-0.018551 max=0.018685 Jy/beam ! Clean residual mean=-0.000681 rms=0.004434 Jy/beam ! Combined flux in latest and established models = 1.66176 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 67 components and 1.66176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236957Jy sigma=0.001420 ! Fit after self-cal, rms=0.237826Jy sigma=0.001420 ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.237826Jy sigma=0.001420 ! Fit after self-cal, rms=0.224216Jy sigma=0.001229 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.9068 mas, bmaj=2.594 mas, bpa=-4.471 degrees ! Estimated noise=964.663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00437248 Jy ! Component: 100 - total flux cleaned = -0.00321582 Jy ! Component: 150 - total flux cleaned = -0.00242329 Jy ! Component: 200 - total flux cleaned = -0.00206136 Jy ! Total flux subtracted in 200 components = -0.00206136 Jy ! Clean residual min=-0.007016 max=0.009031 Jy/beam ! Clean residual mean=-0.000233 rms=0.001993 Jy/beam ! Combined flux in latest and established models = 1.6597 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 94 components and 1.6597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223728Jy sigma=0.001223 ! Fit after self-cal, rms=0.223739Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 (-4.6, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00917692 Jy ! Component: 100 - total flux cleaned = 0.0114029 Jy ! Component: 150 - total flux cleaned = 0.0126983 Jy ! Component: 200 - total flux cleaned = 0.0131973 Jy ! Total flux subtracted in 200 components = 0.0131973 Jy ! Clean residual min=-0.006294 max=0.006542 Jy/beam ! Clean residual mean=-0.000247 rms=0.001664 Jy/beam ! Combined flux in latest and established models = 1.6729 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 121 components and 1.6729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223264Jy sigma=0.001215 ! Fit after self-cal, rms=0.223221Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.223221Jy sigma=0.001215 ! Fit after self-cal, rms=0.223218Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.9072 mas, bmaj=2.597 mas, bpa=-4.537 degrees ! Estimated noise=963.757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010147 Jy ! Component: 100 - total flux cleaned = 0.000459547 Jy ! Component: 150 - total flux cleaned = 0.00111668 Jy ! Component: 200 - total flux cleaned = 0.00171802 Jy ! Total flux subtracted in 200 components = 0.00171802 Jy ! Clean residual min=-0.005860 max=0.006129 Jy/beam ! Clean residual mean=-0.000162 rms=0.001492 Jy/beam ! Combined flux in latest and established models = 1.67461 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 135 components and 1.67461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222926Jy sigma=0.001208 ! Fit after self-cal, rms=0.222923Jy sigma=0.001208 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = 0.000519011 Jy ! Component: 100 - total flux cleaned = 0.00094486 Jy ! Component: 150 - total flux cleaned = 0.00121385 Jy ! Component: 200 - total flux cleaned = 0.00159566 Jy ! Total flux subtracted in 200 components = 0.00159566 Jy ! Clean residual min=-0.005595 max=0.005511 Jy/beam ! Clean residual mean=-0.000163 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 1.67621 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 143 components and 1.67621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222735Jy sigma=0.001206 ! Fit after self-cal, rms=0.222728Jy sigma=0.001206 ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.222728Jy sigma=0.001206 ! Fit after self-cal, rms=0.223103Jy sigma=0.001205 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=2.284 mas, bmaj=5.28 mas, bpa=0.4861 degrees ! Estimated noise=1172.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251373 Jy ! Component: 100 - total flux cleaned = 0.0035717 Jy ! Component: 150 - total flux cleaned = 0.00410084 Jy ! Component: 200 - total flux cleaned = 0.00427944 Jy ! Total flux subtracted in 200 components = 0.00427944 Jy ! Clean residual min=-0.005686 max=0.005280 Jy/beam ! Clean residual mean=-0.000274 rms=0.001547 Jy/beam ! Combined flux in latest and established models = 1.68049 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 151 components and 1.68049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223016Jy sigma=0.001204 ! Fit after self-cal, rms=0.223033Jy sigma=0.001203 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = 0.000795851 Jy ! Component: 100 - total flux cleaned = 0.00111779 Jy ! Component: 150 - total flux cleaned = 0.00132459 Jy ! Component: 200 - total flux cleaned = 0.00151049 Jy ! Total flux subtracted in 200 components = 0.00151049 Jy ! Clean residual min=-0.005472 max=0.005013 Jy/beam ! Clean residual mean=-0.000276 rms=0.001487 Jy/beam ! Combined flux in latest and established models = 1.682 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 154 components and 1.682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223029Jy sigma=0.001203 ! Fit after self-cal, rms=0.223012Jy sigma=0.001203 ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.9071 mas, bmaj=2.598 mas, bpa=-4.585 degrees ! Estimated noise=962.871 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9071 x 2.598 at -4.585 degrees (North through East) ! Clean map min=-0.0064997 max=1.3271 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=0.223012Jy sigma=0.001203 ! Fit after self-cal, rms=0.296118Jy sigma=0.001102 ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.9073 mas, bmaj=2.598 mas, bpa=-4.593 degrees ! Estimated noise=961.605 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00291676 Jy ! Component: 100 - total flux cleaned = -0.00291829 Jy ! Component: 150 - total flux cleaned = -0.00303335 Jy ! Component: 200 - total flux cleaned = -0.00302763 Jy ! Total flux subtracted in 200 components = -0.00302763 Jy ! Clean residual min=-0.004640 max=0.004573 Jy/beam ! Clean residual mean=-0.000139 rms=0.001247 Jy/beam ! Combined flux in latest and established models = 1.67897 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 167 components and 1.67897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295964Jy sigma=0.001100 ! Fit after self-cal, rms=0.295977Jy sigma=0.001100 ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000405335 Jy ! Component: 100 - total flux cleaned = -0.000298762 Jy ! Component: 150 - total flux cleaned = -0.000196314 Jy ! Component: 200 - total flux cleaned = -2.75237e-06 Jy ! Total flux subtracted in 200 components = -2.75237e-06 Jy ! Clean residual min=-0.004535 max=0.004505 Jy/beam ! Clean residual mean=-0.000139 rms=0.001225 Jy/beam ! Combined flux in latest and established models = 1.67897 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 172 components and 1.67897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295876Jy sigma=0.001099 ! Fit after self-cal, rms=0.295879Jy sigma=0.001099 ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295879Jy sigma=0.001099 ! Fit after self-cal, rms=0.345437Jy sigma=0.001099 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 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7541 mas, bmaj=1.866 mas, bpa=-3.076 degrees ! Estimated noise=1444.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.993485 Jy ! Component: 100 - total flux cleaned = 1.27874 Jy ! Component: 150 - total flux cleaned = 1.42156 Jy ! Component: 200 - total flux cleaned = 1.49924 Jy ! Total flux subtracted in 200 components = 1.49924 Jy ! Clean residual min=-0.017527 max=0.039712 Jy/beam ! Clean residual mean=0.000108 rms=0.005106 Jy/beam ! Combined flux in latest and established models = 1.49924 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.49924 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.9072 mas, bmaj=2.598 mas, bpa=-4.629 degrees ! Estimated noise=960.943 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 = 0.0656266 Jy ! Component: 100 - total flux cleaned = 0.101641 Jy ! Component: 150 - total flux cleaned = 0.12332 Jy ! Component: 200 - total flux cleaned = 0.137909 Jy ! Total flux subtracted in 200 components = 0.137909 Jy ! Clean residual min=-0.006225 max=0.010524 Jy/beam ! Clean residual mean=-0.000088 rms=0.002121 Jy/beam ! Combined flux in latest and established models = 1.63715 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 50 components and 1.63715 Jy ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Added new window around map position (-2.8, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115217 Jy ! Component: 100 - total flux cleaned = 0.0201261 Jy ! Component: 150 - total flux cleaned = 0.026821 Jy ! Component: 200 - total flux cleaned = 0.0315101 Jy ! Total flux subtracted in 200 components = 0.0315101 Jy ! Clean residual min=-0.005507 max=0.005807 Jy/beam ! Clean residual mean=-0.000119 rms=0.001382 Jy/beam ! Combined flux in latest and established models = 1.66866 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 76 components and 1.66866 Jy ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=2.284 mas, bmaj=5.28 mas, bpa=0.4327 degrees ! Estimated noise=1170.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00552066 Jy ! Component: 100 - total flux cleaned = 0.00854709 Jy ! Component: 150 - total flux cleaned = 0.0105708 Jy ! Component: 200 - total flux cleaned = 0.0113454 Jy ! Total flux subtracted in 200 components = 0.0113454 Jy ! Clean residual min=-0.004325 max=0.004817 Jy/beam ! Clean residual mean=-0.000257 rms=0.001352 Jy/beam ! Combined flux in latest and established models = 1.68001 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 = 0.00044423 Jy ! Component: 100 - total flux cleaned = 0.000488682 Jy ! Component: 150 - total flux cleaned = 0.000571577 Jy ! Component: 200 - total flux cleaned = 0.00061214 Jy ! Total flux subtracted in 200 components = 0.00061214 Jy ! Clean residual min=-0.004274 max=0.004709 Jy/beam ! Clean residual mean=-0.000258 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 1.68062 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 97 components and 1.68062 Jy ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.9072 mas, bmaj=2.598 mas, bpa=-4.629 degrees ! Estimated noise=960.943 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00227047 Jy ! Component: 100 - total flux cleaned = -0.00277002 Jy ! Component: 150 - total flux cleaned = -0.00306903 Jy ! Component: 200 - total flux cleaned = -0.00293011 Jy ! Total flux subtracted in 200 components = -0.00293011 Jy ! Clean residual min=-0.004808 max=0.004327 Jy/beam ! Clean residual mean=-0.000128 rms=0.001226 Jy/beam ! Combined flux in latest and established models = 1.67769 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 105 components and 1.67769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346037Jy sigma=0.001103 ! Fit after self-cal, rms=0.345966Jy sigma=0.001102 wmodel J0921-2618_X_2001_03_12_pus_map.mod ! Writing 105 model components to file: J0921-2618_X_2001_03_12_pus_map.mod wobs J0921-2618_X_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J0921-2618_X_2001_03_12_pus_uvs.fits wwins J0921-2618_X_2001_03_12_pus_map.win ! wwins: Wrote 5 windows to J0921-2618_X_2001_03_12_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 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000871766 Jy ! Component: 100 - total flux cleaned = -0.00155946 Jy ! Component: 150 - total flux cleaned = -0.00185153 Jy ! Component: 200 - total flux cleaned = -0.00206509 Jy ! Component: 250 - total flux cleaned = -0.00241349 Jy ! Component: 300 - total flux cleaned = -0.00261911 Jy ! Component: 350 - total flux cleaned = -0.00295267 Jy ! Component: 400 - total flux cleaned = -0.00308301 Jy ! Component: 450 - total flux cleaned = -0.0034689 Jy ! Component: 500 - total flux cleaned = -0.00384675 Jy ! Component: 550 - total flux cleaned = -0.00403191 Jy ! Component: 600 - total flux cleaned = -0.00433697 Jy ! Component: 650 - total flux cleaned = -0.00445728 Jy ! Component: 700 - total flux cleaned = -0.004871 Jy ! Component: 750 - total flux cleaned = -0.00504513 Jy ! Component: 800 - total flux cleaned = -0.00544747 Jy ! Component: 850 - total flux cleaned = -0.00573077 Jy ! Component: 900 - total flux cleaned = -0.00589859 Jy ! Component: 950 - total flux cleaned = -0.00612019 Jy ! Component: 1000 - total flux cleaned = -0.00622975 Jy ! Component: 1050 - total flux cleaned = -0.00633786 Jy ! Component: 1100 - total flux cleaned = -0.00649843 Jy ! Component: 1150 - total flux cleaned = -0.00649886 Jy ! Component: 1200 - total flux cleaned = -0.0066563 Jy ! Component: 1250 - total flux cleaned = -0.00691528 Jy ! Component: 1300 - total flux cleaned = -0.0070694 Jy ! Component: 1350 - total flux cleaned = -0.00727227 Jy ! Component: 1400 - total flux cleaned = -0.00737329 Jy ! Component: 1450 - total flux cleaned = -0.00757229 Jy ! Component: 1500 - total flux cleaned = -0.0076716 Jy ! Component: 1550 - total flux cleaned = -0.00796546 Jy ! Component: 1600 - total flux cleaned = -0.008159 Jy ! Component: 1650 - total flux cleaned = -0.00839914 Jy ! Component: 1700 - total flux cleaned = -0.00844696 Jy ! Component: 1750 - total flux cleaned = -0.00873135 Jy ! Component: 1800 - total flux cleaned = -0.00877841 Jy ! Component: 1850 - total flux cleaned = -0.00915139 Jy ! Component: 1900 - total flux cleaned = -0.00933667 Jy ! Component: 1950 - total flux cleaned = -0.00952021 Jy ! Component: 2000 - total flux cleaned = -0.00993099 Jy ! Total flux subtracted in 2048 components = -0.0100663 Jy ! Clean residual min=-0.002605 max=0.002476 Jy/beam ! Clean residual mean=-0.000093 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 1.66762 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 245 components and 1.66762 Jy ![Exited script file: muppet] wmap "J0921-2618_X_2001_03_12_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9072 x 2.598 at -4.629 degrees (North through East) ! Clean map min=-0.0039557 max=1.3309 Jy/beam ! Writing clean map to FITS file: J0921-2618_X_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.33095 invert ! Inverting map ! Your choice of large map pixels excluded 0.423% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000857453 device "J0921-2618_X_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_X_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.193273 0.193273 0.386545 0.773091 1.54618 3.09236 6.18473 12.3695 24.7389 49.4778 98.9556 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.33 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9072 x 2.598 at -4.629 degrees (North through East) ! Clean map min=-0.0039557 max=1.3309 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0921-2618_X_2001_03_12_pus_uvs.log closed on Wed Jan 2 19:53:37 2013