! Started logfile: J1454-3747_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:28:54 2007 obs J1454-3747_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J1454-3747_X_2000_05_22_pus_uva.fits ! AN table 1: 76 integrations on 190 of 190 possible baselines. ! AN table 2: 46 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0486626 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1454-3747 ! ! 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 1884 lines of history. ! ! Reading 4512 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 ![@muppet J1454-3747_X_2000_05_22_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 = 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 1242 telescope corrections were flagged in sub-array 1. ! A total of 829 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1242 telescope corrections were flagged in sub-array 1. ! A total of 829 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1242 telescope corrections were flagged in sub-array 1. ! A total of 829 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1242 telescope corrections were flagged in sub-array 1. ! A total of 829 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.789841Jy sigma=0.007828 ! Fit after self-cal, rms=0.385221Jy sigma=0.003953 ! 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 0.847% of the data. ! The x-axis pixel size should ideally be below 0.1925 milli-arcsec ! Estimated beam: bmin=0.6619 mas, bmaj=2.419 mas, bpa=-6.778 degrees ! Estimated noise=2293.37 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 = 0.881596 Jy ! Component: 100 - total flux cleaned = 1.10558 Jy ! Total flux subtracted in 100 components = 1.10558 Jy ! Clean residual min=-0.046787 max=0.134165 Jy/beam ! Clean residual mean=0.007549 rms=0.022176 Jy/beam ! Combined flux in latest and established models = 1.10558 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.10558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.328225Jy sigma=0.003314 ! Fit after self-cal, rms=0.328340Jy sigma=0.003313 ! Inverting map ! Your choice of large map pixels excluded 0.847% of the data. ! The x-axis pixel size should ideally be below 0.1925 milli-arcsec ! Added new window around map position (-1, -2.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.125217 Jy ! Component: 100 - total flux cleaned = 0.202039 Jy ! Total flux subtracted in 100 components = 0.202039 Jy ! Clean residual min=-0.042679 max=0.088158 Jy/beam ! Clean residual mean=0.003519 rms=0.015298 Jy/beam ! Combined flux in latest and established models = 1.30762 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 1.30762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247101Jy sigma=0.002341 ! Fit after self-cal, rms=0.242879Jy sigma=0.002305 ! Inverting map ! Your choice of large map pixels excluded 0.847% of the data. ! The x-axis pixel size should ideally be below 0.1925 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 0.847% of the data. ! The x-axis pixel size should ideally be below 0.1925 milli-arcsec ! Estimated beam: bmin=0.8325 mas, bmaj=3.19 mas, bpa=-13.6 degrees ! Estimated noise=1177.2 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 = 0.108136 Jy ! Component: 100 - total flux cleaned = 0.167489 Jy ! Component: 150 - total flux cleaned = 0.200927 Jy ! Component: 200 - total flux cleaned = 0.219807 Jy ! Total flux subtracted in 200 components = 0.219807 Jy ! Clean residual min=-0.034448 max=0.046265 Jy/beam ! Clean residual mean=-0.001778 rms=0.011269 Jy/beam ! Combined flux in latest and established models = 1.52742 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 42 components and 1.52742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201135Jy sigma=0.001742 ! Fit after self-cal, rms=0.198639Jy sigma=0.001717 ! Inverting map ! Your choice of large map pixels excluded 0.847% of the data. ! The x-axis pixel size should ideally be below 0.1925 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.07 KP 1.00 ! MA 1.00* MC 1.00* MK 0.97 NL 1.07 ! NY 1.00* OV 0.97 PT 0.97 SC 0.97 ! TS 1.00* WF 1.00* WZ 1.00* LA 1.00 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.08 KK 1.00* KP 1.11 ! MA 1.00* MC 1.00* MK 1.00* NL 1.51 ! NY 1.00* OV 1.00* PT 1.12 SC 0.89 ! TS 1.00* WF 1.00* WZ 1.00* LA 1.14 ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.03 KP 0.95 ! MA 1.00* MC 1.00* MK 0.96 NL 1.10 ! NY 1.00* OV 1.00 PT 0.94 SC 0.97 ! TS 1.00* WF 1.00* WZ 1.00* LA 0.96 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.10 KK 1.00* KP 1.04 ! MA 1.00* MC 1.00* MK 1.00* NL 1.57 ! NY 1.00* OV 1.00* PT 1.09 SC 0.90 ! TS 1.00* WF 1.00* WZ 1.00* LA 1.06 ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.03 KP 0.99 ! MA 1.00* MC 1.00* MK 1.00 NL 1.05 ! NY 1.00* OV 0.96 PT 0.97 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* LA 0.99 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.09 KK 1.00* KP 1.10 ! MA 1.00* MC 1.00* MK 1.00* NL 1.47 ! NY 1.00* OV 1.00* PT 1.09 SC 0.93 ! TS 1.00* WF 1.00* WZ 1.00* LA 1.12 ! ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.07 KP 0.98 ! MA 1.00* MC 1.00* MK 1.01 NL 1.06 ! NY 1.00* OV 0.97 PT 0.96 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* LA 0.97 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.11 KK 1.00* KP 1.07 ! MA 1.00* MC 1.00* MK 1.00* NL 1.40 ! NY 1.00* OV 1.00* PT 1.10 SC 0.91 ! TS 1.00* WF 1.00* WZ 1.00* LA 1.07 ! ! ! Fit before self-cal, rms=0.198639Jy sigma=0.001717 ! Fit after self-cal, rms=0.166095Jy sigma=0.001277 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.835 mas, bmaj=3.174 mas, bpa=-13.42 degrees ! Estimated noise=1199.12 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 = -0.00708473 Jy ! Component: 100 - total flux cleaned = -0.00841449 Jy ! Component: 150 - total flux cleaned = -0.00878653 Jy ! Component: 200 - total flux cleaned = -0.00941614 Jy ! Total flux subtracted in 200 components = -0.00941614 Jy ! Clean residual min=-0.015860 max=0.018089 Jy/beam ! Clean residual mean=-0.000334 rms=0.004376 Jy/beam ! Combined flux in latest and established models = 1.51801 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 54 components and 1.51801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162974Jy sigma=0.001260 ! Fit after self-cal, rms=0.163195Jy sigma=0.001260 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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=0.163195Jy sigma=0.001260 ! Fit after self-cal, rms=0.162340Jy sigma=0.001244 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.836 mas, bmaj=3.173 mas, bpa=-13.31 degrees ! Estimated noise=1199.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00493894 Jy ! Component: 100 - total flux cleaned = -0.00523628 Jy ! Component: 150 - total flux cleaned = -0.00524087 Jy ! Component: 200 - total flux cleaned = -0.00547583 Jy ! Total flux subtracted in 200 components = -0.00547583 Jy ! Clean residual min=-0.012485 max=0.017324 Jy/beam ! Clean residual mean=-0.000305 rms=0.004007 Jy/beam ! Combined flux in latest and established models = 1.51253 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 66 components and 1.51253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160891Jy sigma=0.001237 ! Fit after self-cal, rms=0.160858Jy sigma=0.001237 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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 = -0.000533801 Jy ! Component: 100 - total flux cleaned = -0.000744202 Jy ! Component: 150 - total flux cleaned = -0.000937725 Jy ! Component: 200 - total flux cleaned = -0.00093917 Jy ! Total flux subtracted in 200 components = -0.000939169 Jy ! Clean residual min=-0.012637 max=0.017146 Jy/beam ! Clean residual mean=-0.000277 rms=0.003956 Jy/beam ! Combined flux in latest and established models = 1.51159 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 69 components and 1.51159 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160202Jy sigma=0.001233 ! Fit after self-cal, rms=0.160160Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Added new window around map position (-3.4, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0131382 Jy ! Component: 100 - total flux cleaned = 0.0129232 Jy ! Component: 150 - total flux cleaned = 0.0124503 Jy ! Component: 200 - total flux cleaned = 0.0120333 Jy ! Total flux subtracted in 200 components = 0.0120333 Jy ! Clean residual min=-0.012088 max=0.011021 Jy/beam ! Clean residual mean=-0.000703 rms=0.003034 Jy/beam ! Combined flux in latest and established models = 1.52363 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 85 components and 1.52363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158380Jy sigma=0.001219 ! Fit after self-cal, rms=0.158148Jy sigma=0.001218 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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=0.158148Jy sigma=0.001218 ! Fit after self-cal, rms=0.158469Jy sigma=0.001214 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.8361 mas, bmaj=3.173 mas, bpa=-13.27 degrees ! Estimated noise=1199.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000750535 Jy ! Component: 100 - total flux cleaned = 0.000509318 Jy ! Component: 150 - total flux cleaned = 0.000507514 Jy ! Component: 200 - total flux cleaned = 0.000705822 Jy ! Total flux subtracted in 200 components = 0.000705822 Jy ! Clean residual min=-0.010063 max=0.010553 Jy/beam ! Clean residual mean=-0.000554 rms=0.002779 Jy/beam ! Combined flux in latest and established models = 1.52433 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 96 components and 1.52433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157604Jy sigma=0.001208 ! Fit after self-cal, rms=0.157551Jy sigma=0.001208 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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 = 0.000879999 Jy ! Component: 100 - total flux cleaned = 0.00069604 Jy ! Component: 150 - total flux cleaned = 0.000702375 Jy ! Component: 200 - total flux cleaned = 0.000706141 Jy ! Total flux subtracted in 200 components = 0.000706141 Jy ! Clean residual min=-0.009870 max=0.010372 Jy/beam ! Clean residual mean=-0.000591 rms=0.002693 Jy/beam ! Combined flux in latest and established models = 1.52504 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 100 components and 1.52504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157047Jy sigma=0.001205 ! Fit after self-cal, rms=0.157006Jy sigma=0.001205 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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=0.157006Jy sigma=0.001205 ! Fit after self-cal, rms=0.157150Jy sigma=0.001204 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=2.741 mas, bmaj=8.645 mas, bpa=-4.498 degrees ! Estimated noise=1446.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00171903 Jy ! Component: 100 - total flux cleaned = -0.00186386 Jy ! Component: 150 - total flux cleaned = -0.00199705 Jy ! Component: 200 - total flux cleaned = -0.00199549 Jy ! Total flux subtracted in 200 components = -0.00199549 Jy ! Clean residual min=-0.007908 max=0.011001 Jy/beam ! Clean residual mean=-0.000703 rms=0.003027 Jy/beam ! Combined flux in latest and established models = 1.52304 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 117 components and 1.52304 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156920Jy sigma=0.001203 ! Fit after self-cal, rms=0.156870Jy sigma=0.001203 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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 = 0.000356158 Jy ! Component: 100 - total flux cleaned = 0.000221301 Jy ! Component: 150 - total flux cleaned = 0.000220434 Jy ! Component: 200 - total flux cleaned = 0.000113972 Jy ! Total flux subtracted in 200 components = 0.000113972 Jy ! Clean residual min=-0.007920 max=0.010792 Jy/beam ! Clean residual mean=-0.000717 rms=0.002980 Jy/beam ! Combined flux in latest and established models = 1.52316 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 119 components and 1.52316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156737Jy sigma=0.001203 ! Fit after self-cal, rms=0.156689Jy sigma=0.001202 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.8363 mas, bmaj=3.172 mas, bpa=-13.24 degrees ! Estimated noise=1198.5 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8363 x 3.172 at -13.24 degrees (North through East) ! Clean map min=-0.0086654 max=1.0903 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=0.156689Jy sigma=0.001202 ! Fit after self-cal, rms=0.145753Jy sigma=0.001074 ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.838 mas, bmaj=3.168 mas, bpa=-13.21 degrees ! Estimated noise=1199.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000967268 Jy ! Component: 100 - total flux cleaned = -0.000970805 Jy ! Component: 150 - total flux cleaned = -0.000975118 Jy ! Component: 200 - total flux cleaned = -0.000975905 Jy ! Total flux subtracted in 200 components = -0.000975905 Jy ! Clean residual min=-0.009212 max=0.009276 Jy/beam ! Clean residual mean=-0.000421 rms=0.002465 Jy/beam ! Combined flux in latest and established models = 1.52218 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 128 components and 1.52218 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145354Jy sigma=0.001071 ! Fit after self-cal, rms=0.145303Jy sigma=0.001071 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.31049e-05 Jy ! Component: 100 - total flux cleaned = 0.000113268 Jy ! Component: 150 - total flux cleaned = -1.76621e-05 Jy ! Component: 200 - total flux cleaned = -1.29389e-05 Jy ! Total flux subtracted in 200 components = -1.29389e-05 Jy ! Clean residual min=-0.008836 max=0.009041 Jy/beam ! Clean residual mean=-0.000421 rms=0.002394 Jy/beam ! Combined flux in latest and established models = 1.52217 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 130 components and 1.52217 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145034Jy sigma=0.001069 ! Fit after self-cal, rms=0.145002Jy sigma=0.001069 ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145002Jy sigma=0.001069 ! Fit after self-cal, rms=0.144960Jy sigma=0.001069 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 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.6552 mas, bmaj=2.399 mas, bpa=-6.252 degrees ! Estimated noise=2358.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.894557 Jy ! Component: 100 - total flux cleaned = 1.12235 Jy ! Component: 150 - total flux cleaned = 1.23199 Jy ! Component: 200 - total flux cleaned = 1.29919 Jy ! Total flux subtracted in 200 components = 1.29919 Jy ! Clean residual min=-0.020342 max=0.036314 Jy/beam ! Clean residual mean=0.004059 rms=0.008315 Jy/beam ! Combined flux in latest and established models = 1.29919 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 32 model components to the UV plane model. ! The established model now contains 32 components and 1.29919 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.8379 mas, bmaj=3.168 mas, bpa=-13.2 degrees ! Estimated noise=1198.46 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 = 0.0905629 Jy ! Component: 100 - total flux cleaned = 0.138479 Jy ! Component: 150 - total flux cleaned = 0.166669 Jy ! Component: 200 - total flux cleaned = 0.184326 Jy ! Total flux subtracted in 200 components = 0.184326 Jy ! Clean residual min=-0.009300 max=0.012307 Jy/beam ! Clean residual mean=0.001052 rms=0.004213 Jy/beam ! Combined flux in latest and established models = 1.48351 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 83 components and 1.48351 Jy ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 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 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=2.743 mas, bmaj=8.656 mas, bpa=-4.455 degrees ! Estimated noise=1443.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0172896 Jy ! Component: 100 - total flux cleaned = 0.0257067 Jy ! Component: 150 - total flux cleaned = 0.0283169 Jy ! Component: 200 - total flux cleaned = 0.0292075 Jy ! Total flux subtracted in 200 components = 0.0292075 Jy ! Clean residual min=-0.008117 max=0.009829 Jy/beam ! Clean residual mean=-0.000110 rms=0.002892 Jy/beam ! Combined flux in latest and established models = 1.51272 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 = 0.000632138 Jy ! Component: 100 - total flux cleaned = 0.00107798 Jy ! Component: 150 - total flux cleaned = 0.0012791 Jy ! Component: 200 - total flux cleaned = 0.00146891 Jy ! Total flux subtracted in 200 components = 0.00146891 Jy ! Clean residual min=-0.008119 max=0.009599 Jy/beam ! Clean residual mean=-0.000230 rms=0.002708 Jy/beam ! Combined flux in latest and established models = 1.51419 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 106 components and 1.51419 Jy ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! Estimated beam: bmin=0.8379 mas, bmaj=3.168 mas, bpa=-13.2 degrees ! Estimated noise=1198.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000197631 Jy ! Component: 100 - total flux cleaned = -0.000167672 Jy ! Component: 150 - total flux cleaned = -0.000162835 Jy ! Component: 200 - total flux cleaned = -0.000311808 Jy ! Total flux subtracted in 200 components = -0.000311808 Jy ! Clean residual min=-0.008572 max=0.009200 Jy/beam ! Clean residual mean=-0.000106 rms=0.002346 Jy/beam ! Combined flux in latest and established models = 1.51388 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 120 components and 1.51388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145151Jy sigma=0.001068 ! Fit after self-cal, rms=0.144776Jy sigma=0.001064 wmodel J1454-3747_X_2000_05_22_pus_map.mod ! Writing 120 model components to file: J1454-3747_X_2000_05_22_pus_map.mod wobs J1454-3747_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J1454-3747_X_2000_05_22_pus_uvs.fits wwins J1454-3747_X_2000_05_22_pus_map.win ! wwins: Wrote 3 windows to J1454-3747_X_2000_05_22_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 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158962 Jy ! Component: 100 - total flux cleaned = 0.00234246 Jy ! Component: 150 - total flux cleaned = 0.00234189 Jy ! Component: 200 - total flux cleaned = 0.00223388 Jy ! Component: 250 - total flux cleaned = 0.00223619 Jy ! Component: 300 - total flux cleaned = 0.00214434 Jy ! Component: 350 - total flux cleaned = 0.00196226 Jy ! Component: 400 - total flux cleaned = 0.00170047 Jy ! Component: 450 - total flux cleaned = 0.00145126 Jy ! Component: 500 - total flux cleaned = 0.00113276 Jy ! Component: 550 - total flux cleaned = 0.000826463 Jy ! Component: 600 - total flux cleaned = 0.000454463 Jy ! Component: 650 - total flux cleaned = 0.000165013 Jy ! Component: 700 - total flux cleaned = -0.000257619 Jy ! Component: 750 - total flux cleaned = -0.000600496 Jy ! Component: 800 - total flux cleaned = -0.000935458 Jy ! Component: 850 - total flux cleaned = -0.00119607 Jy ! Component: 900 - total flux cleaned = -0.00145093 Jy ! Component: 950 - total flux cleaned = -0.00176119 Jy ! Component: 1000 - total flux cleaned = -0.00200428 Jy ! Total flux subtracted in 1024 components = -0.00206425 Jy ! Clean residual min=-0.003706 max=0.003466 Jy/beam ! Clean residual mean=-0.000122 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 1.51181 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 181 components and 1.51181 Jy ![Exited script file: muppet] wmap "J1454-3747_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8379 x 3.168 at -13.2 degrees (North through East) ! Clean map min=-0.00728 max=1.1274 Jy/beam ! Writing clean map to FITS file: J1454-3747_X_2000_05_22_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.12745 invert ! Inverting map ! Your choice of large map pixels excluded 0.773% of the data. ! The x-axis pixel size should ideally be below 0.1926 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00128375 device "J1454-3747_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J1454-3747_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.341591 0.341591 0.683181 1.36636 2.73272 5.46545 10.9309 21.8618 43.7236 87.4472 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0038 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.127 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8379 x 3.168 at -13.2 degrees (North through East) ! Clean map min=-0.00728 max=1.1274 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1454-3747_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J1454-3747_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1454-3747_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:28:58 2007