! Started logfile: J0440-4333_X_2001_07_05_pus_uvs.log on Wed Jul 4 19:58:21 2007 obs J0440-4333_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J0440-4333_X_2001_07_05_pus_uva.fits ! AN table 1: 20 integrations on 171 of 171 possible baselines. ! AN table 2: 30 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0465497 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0440-4333 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2370 lines of history. ! ! Reading 1592 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 = 256 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 = 256x256 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 380 telescope corrections were flagged in sub-array 1. ! A total of 411 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 380 telescope corrections were flagged in sub-array 1. ! A total of 411 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 380 telescope corrections were flagged in sub-array 1. ! A total of 411 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 380 telescope corrections were flagged in sub-array 1. ! A total of 411 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.859785Jy sigma=0.006159 ! Fit after self-cal, rms=0.726918Jy sigma=0.005637 ! 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 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.5684 mas, bmaj=2.037 mas, bpa=-4.381 degrees ! Estimated noise=3182.17 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 = 1.20635 Jy ! Component: 100 - total flux cleaned = 1.48809 Jy ! Total flux subtracted in 100 components = 1.48809 Jy ! Clean residual min=-0.079762 max=0.114325 Jy/beam ! Clean residual mean=0.001331 rms=0.027097 Jy/beam ! Combined flux in latest and established models = 1.48809 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.48809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346933Jy sigma=0.002690 ! Fit after self-cal, rms=0.346882Jy sigma=0.002689 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7935 mas, bmaj=2.375 mas, bpa=-4.29 degrees ! Estimated noise=2389.1 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 = 0.193099 Jy ! Component: 100 - total flux cleaned = 0.275057 Jy ! Component: 150 - total flux cleaned = 0.311098 Jy ! Component: 200 - total flux cleaned = 0.327947 Jy ! Total flux subtracted in 200 components = 0.327947 Jy ! Clean residual min=-0.049606 max=0.058226 Jy/beam ! Clean residual mean=0.003274 rms=0.023265 Jy/beam ! Combined flux in latest and established models = 1.81604 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 1.81604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239868Jy sigma=0.001817 ! Fit after self-cal, rms=0.239738Jy sigma=0.001816 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.96 ! LA 0.94 MC 1.00* MK 1.00 NL 1.00* ! NY 1.00* OV 1.02 PT 1.02 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.97 ! LA 0.93 MC 1.00* MK 0.98 NL 1.00* ! NY 1.00* OV 1.02 PT 1.00 SC 0.96 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 1.01 ! LA 0.97 MC 1.00* MK 1.02 NL 1.00* ! NY 1.00* OV 1.05 PT 0.99 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.97 ! LA 0.96 MC 1.00* MK 1.06 NL 1.00* ! NY 1.00* OV 1.03 PT 1.00 SC 1.05 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.239738Jy sigma=0.001816 ! Fit after self-cal, rms=0.228071Jy sigma=0.001740 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7963 mas, bmaj=2.383 mas, bpa=-4.263 degrees ! Estimated noise=2383.75 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 = -0.00629231 Jy ! Component: 100 - total flux cleaned = -0.00677458 Jy ! Component: 150 - total flux cleaned = -0.00677127 Jy ! Component: 200 - total flux cleaned = -0.00659422 Jy ! Total flux subtracted in 200 components = -0.00659422 Jy ! Clean residual min=-0.049789 max=0.054461 Jy/beam ! Clean residual mean=0.001087 rms=0.020443 Jy/beam ! Combined flux in latest and established models = 1.80945 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 1.80945 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227324Jy sigma=0.001737 ! Fit after self-cal, rms=0.227316Jy sigma=0.001737 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.227316Jy sigma=0.001737 ! Fit after self-cal, rms=0.212010Jy sigma=0.001635 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7977 mas, bmaj=2.386 mas, bpa=-4.23 degrees ! Estimated noise=2385.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00237628 Jy ! Component: 100 - total flux cleaned = -0.00261724 Jy ! Component: 150 - total flux cleaned = -0.0027931 Jy ! Component: 200 - total flux cleaned = -0.00256397 Jy ! Total flux subtracted in 200 components = -0.00256397 Jy ! Clean residual min=-0.035401 max=0.046842 Jy/beam ! Clean residual mean=0.002032 rms=0.014773 Jy/beam ! Combined flux in latest and established models = 1.80688 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 1.80688 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211600Jy sigma=0.001632 ! Fit after self-cal, rms=0.211629Jy sigma=0.001631 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 = 0.00140207 Jy ! Component: 100 - total flux cleaned = 0.000911027 Jy ! Component: 150 - total flux cleaned = 0.000611354 Jy ! Component: 200 - total flux cleaned = 0.000439454 Jy ! Total flux subtracted in 200 components = 0.000439454 Jy ! Clean residual min=-0.035208 max=0.046446 Jy/beam ! Clean residual mean=0.002022 rms=0.014755 Jy/beam ! Combined flux in latest and established models = 1.80732 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 41 components and 1.80732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211459Jy sigma=0.001630 ! Fit after self-cal, rms=0.211427Jy sigma=0.001630 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.211427Jy sigma=0.001630 ! Fit after self-cal, rms=0.211405Jy sigma=0.001629 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7982 mas, bmaj=2.39 mas, bpa=-4.23 degrees ! Estimated noise=2386.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00076305 Jy ! Component: 100 - total flux cleaned = -0.000900607 Jy ! Component: 150 - total flux cleaned = -0.00109434 Jy ! Component: 200 - total flux cleaned = -0.00110147 Jy ! Total flux subtracted in 200 components = -0.00110147 Jy ! Clean residual min=-0.034898 max=0.045949 Jy/beam ! Clean residual mean=0.002025 rms=0.014718 Jy/beam ! Combined flux in latest and established models = 1.80622 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 1.80622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211247Jy sigma=0.001628 ! Fit after self-cal, rms=0.211229Jy sigma=0.001628 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 = 0.00101452 Jy ! Component: 100 - total flux cleaned = 0.000749678 Jy ! Component: 150 - total flux cleaned = 0.000535012 Jy ! Component: 200 - total flux cleaned = 0.000469136 Jy ! Total flux subtracted in 200 components = 0.000469136 Jy ! Clean residual min=-0.034767 max=0.045718 Jy/beam ! Clean residual mean=0.002014 rms=0.014702 Jy/beam ! Combined flux in latest and established models = 1.80669 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 45 components and 1.80669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211147Jy sigma=0.001627 ! Fit after self-cal, rms=0.211133Jy sigma=0.001627 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.211133Jy sigma=0.001627 ! Fit after self-cal, rms=0.211160Jy sigma=0.001627 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.936 mas, bmaj=9.058 mas, bpa=4.728 degrees ! Estimated noise=3193.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159252 Jy ! Component: 100 - total flux cleaned = 0.00159007 Jy ! Component: 150 - total flux cleaned = 0.001588 Jy ! Component: 200 - total flux cleaned = 0.00157641 Jy ! Total flux subtracted in 200 components = 0.00157641 Jy ! Clean residual min=-0.060921 max=0.070255 Jy/beam ! Clean residual mean=0.004003 rms=0.026652 Jy/beam ! Combined flux in latest and established models = 1.80827 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 46 components and 1.80827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211153Jy sigma=0.001627 ! Fit after self-cal, rms=0.211095Jy sigma=0.001627 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 = -2.19243e-05 Jy ! Component: 100 - total flux cleaned = -2.86746e-05 Jy ! Component: 150 - total flux cleaned = -3.23943e-05 Jy ! Component: 200 - total flux cleaned = -4.62584e-05 Jy ! Total flux subtracted in 200 components = -4.62584e-05 Jy ! Clean residual min=-0.060914 max=0.070211 Jy/beam ! Clean residual mean=0.004003 rms=0.026652 Jy/beam ! Combined flux in latest and established models = 1.80822 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 46 components and 1.80822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211098Jy sigma=0.001627 ! Fit after self-cal, rms=0.211050Jy sigma=0.001626 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7984 mas, bmaj=2.391 mas, bpa=-4.231 degrees ! Estimated noise=2387.53 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7984 x 2.391 at -4.231 degrees (North through East) ! Clean map min=-0.033295 max=1.6491 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=0.211050Jy sigma=0.001626 ! Fit after self-cal, rms=0.191747Jy sigma=0.001481 ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7986 mas, bmaj=2.391 mas, bpa=-4.272 degrees ! Estimated noise=2388.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0014215 Jy ! Component: 100 - total flux cleaned = -0.00131166 Jy ! Component: 150 - total flux cleaned = -0.00130951 Jy ! Component: 200 - total flux cleaned = -0.00143356 Jy ! Total flux subtracted in 200 components = -0.00143356 Jy ! Clean residual min=-0.033001 max=0.044088 Jy/beam ! Clean residual mean=0.002014 rms=0.014202 Jy/beam ! Combined flux in latest and established models = 1.80679 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 1.80679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191677Jy sigma=0.001480 ! Fit after self-cal, rms=0.191672Jy sigma=0.001480 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000115405 Jy ! Component: 100 - total flux cleaned = -0.000157939 Jy ! Component: 150 - total flux cleaned = -0.000216638 Jy ! Component: 200 - total flux cleaned = -0.000272174 Jy ! Total flux subtracted in 200 components = -0.000272174 Jy ! Clean residual min=-0.033055 max=0.044008 Jy/beam ! Clean residual mean=0.002018 rms=0.014201 Jy/beam ! Combined flux in latest and established models = 1.80652 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 1.80652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191631Jy sigma=0.001480 ! Fit after self-cal, rms=0.191628Jy sigma=0.001480 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191628Jy sigma=0.001480 ! Fit after self-cal, rms=0.191638Jy sigma=0.001480 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 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.5721 mas, bmaj=2.043 mas, bpa=-4.434 degrees ! Estimated noise=3198.32 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.21228 Jy ! Component: 100 - total flux cleaned = 1.49175 Jy ! Component: 150 - total flux cleaned = 1.61582 Jy ! Component: 200 - total flux cleaned = 1.6887 Jy ! Total flux subtracted in 200 components = 1.6887 Jy ! Clean residual min=-0.044418 max=0.045263 Jy/beam ! Clean residual mean=0.000658 rms=0.012799 Jy/beam ! Combined flux in latest and established models = 1.6887 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 10 model components to the UV plane model. ! The established model now contains 10 components and 1.6887 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.799 mas, bmaj=2.393 mas, bpa=-4.283 degrees ! Estimated noise=2389.44 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 = 0.0696411 Jy ! Component: 100 - total flux cleaned = 0.0993683 Jy ! Component: 150 - total flux cleaned = 0.111419 Jy ! Component: 200 - total flux cleaned = 0.112447 Jy ! Total flux subtracted in 200 components = 0.112447 Jy ! Clean residual min=-0.036516 max=0.045355 Jy/beam ! Clean residual mean=0.002104 rms=0.014435 Jy/beam ! Combined flux in latest and established models = 1.80115 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 1.80115 Jy ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.937 mas, bmaj=9.064 mas, bpa=4.673 degrees ! Estimated noise=3193.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00627838 Jy ! Component: 100 - total flux cleaned = 0.0065684 Jy ! Component: 150 - total flux cleaned = 0.00656674 Jy ! Component: 200 - total flux cleaned = 0.00656567 Jy ! Total flux subtracted in 200 components = 0.00656567 Jy ! Clean residual min=-0.057615 max=0.067874 Jy/beam ! Clean residual mean=0.003959 rms=0.025639 Jy/beam ! Combined flux in latest and established models = 1.80772 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 = -2.71473e-06 Jy ! Component: 100 - total flux cleaned = -7.98608e-05 Jy ! Component: 150 - total flux cleaned = -0.00014893 Jy ! Component: 200 - total flux cleaned = -0.000148795 Jy ! Total flux subtracted in 200 components = -0.000148795 Jy ! Clean residual min=-0.057689 max=0.067910 Jy/beam ! Clean residual mean=0.003965 rms=0.025636 Jy/beam ! Combined flux in latest and established models = 1.80757 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 20 components and 1.80757 Jy ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.799 mas, bmaj=2.393 mas, bpa=-4.283 degrees ! Estimated noise=2389.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00190576 Jy ! Component: 100 - total flux cleaned = -0.00289315 Jy ! Component: 150 - total flux cleaned = -0.00348032 Jy ! Component: 200 - total flux cleaned = -0.00365643 Jy ! Total flux subtracted in 200 components = -0.00365643 Jy ! Clean residual min=-0.034994 max=0.045313 Jy/beam ! Clean residual mean=0.002042 rms=0.014266 Jy/beam ! Combined flux in latest and established models = 1.80391 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 36 components and 1.80391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192285Jy sigma=0.001484 ! Fit after self-cal, rms=0.192215Jy sigma=0.001483 wmodel J0440-4333_X_2001_07_05_pus_map.mod ! Writing 36 model components to file: J0440-4333_X_2001_07_05_pus_map.mod wobs J0440-4333_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J0440-4333_X_2001_07_05_pus_uvs.fits wwins J0440-4333_X_2001_07_05_pus_map.win ! wwins: Wrote 1 windows to J0440-4333_X_2001_07_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0177859 Jy ! Component: 100 - total flux cleaned = 0.0202948 Jy ! Component: 150 - total flux cleaned = 0.0191847 Jy ! Component: 200 - total flux cleaned = 0.0176176 Jy ! Component: 250 - total flux cleaned = 0.0166318 Jy ! Component: 300 - total flux cleaned = 0.0148025 Jy ! Component: 350 - total flux cleaned = 0.013945 Jy ! Component: 400 - total flux cleaned = 0.0127242 Jy ! Component: 450 - total flux cleaned = 0.0108083 Jy ! Component: 500 - total flux cleaned = 0.00897773 Jy ! Component: 550 - total flux cleaned = 0.0072302 Jy ! Component: 600 - total flux cleaned = 0.00589872 Jy ! Component: 650 - total flux cleaned = 0.00493245 Jy ! Component: 700 - total flux cleaned = 0.00399722 Jy ! Component: 750 - total flux cleaned = 0.00279659 Jy ! Component: 800 - total flux cleaned = 0.00249765 Jy ! Component: 850 - total flux cleaned = 0.00137035 Jy ! Component: 900 - total flux cleaned = 0.00137672 Jy ! Component: 950 - total flux cleaned = 0.00191866 Jy ! Component: 1000 - total flux cleaned = 0.00218622 Jy ! Total flux subtracted in 1024 components = 0.0027046 Jy ! Clean residual min=-0.016981 max=0.015860 Jy/beam ! Clean residual mean=0.000343 rms=0.006754 Jy/beam ! Combined flux in latest and established models = 1.80662 Jy keep ! Adding 89 model components to the UV plane model. ! The established model now contains 125 components and 1.80662 Jy wmap "J0440-4333_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.799 x 2.393 at -4.283 degrees (North through East) ! Clean map min=-0.032781 max=1.6433 Jy/beam ! Writing clean map to FITS file: J0440-4333_X_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.64332 invert ! Inverting map ! Your choice of large map pixels excluded 0.796% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00611102 device "J0440-4333_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0440-4333_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.11561 1.11561 2.23122 4.46244 8.92489 17.8498 35.6995 71.3991 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0183 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.643 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.799 x 2.393 at -4.283 degrees (North through East) ! Clean map min=-0.032781 max=1.6433 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0440-4333_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0440-4333_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0440-4333_X_2001_07_05_pus_uvs.log closed on Wed Jul 4 19:58:40 2007