! Started logfile: J1957-3845_X_2003_05_07_pus_uvs.log on Tue Dec 12 22:15:25 2006 obs J1957-3845_X_2003_05_07_pus_uve.fits ! Reading UV FITS file: J1957-3845_X_2003_05_07_pus_uve.fits ! AN table 1: 48 integrations on 171 of 171 possible baselines. ! AN table 2: 13 integrations on 171 of 171 possible baselines. ! AN table 3: 34 integrations on 171 of 171 possible baselines. ! AN table 4: 48 integrations on 171 of 171 possible baselines. ! AN table 5: 3 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0513498 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 1739 lines of history. ! ! Reading 5128 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 783 telescope corrections were flagged in sub-array 1. ! A total of 247 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! A total of 770 telescope corrections were flagged in sub-array 4. ! A total of 45 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 779 telescope corrections were flagged in sub-array 1. ! A total of 247 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! A total of 771 telescope corrections were flagged in sub-array 4. ! A total of 45 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 783 telescope corrections were flagged in sub-array 1. ! A total of 247 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! A total of 770 telescope corrections were flagged in sub-array 4. ! A total of 45 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 784 telescope corrections were flagged in sub-array 1. ! A total of 247 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! A total of 770 telescope corrections were flagged in sub-array 4. ! A total of 45 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=1.600311Jy sigma=15.256355 ! Fit after self-cal, rms=1.246551Jy sigma=13.319148 ! 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.6236 mas, bmaj=0.8774 mas, bpa=16.58 degrees ! Estimated noise=3.1738 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 = 1.62404 Jy ! Component: 100 - total flux cleaned = 2.02514 Jy ! Total flux subtracted in 100 components = 2.02514 Jy ! Clean residual min=-0.089775 max=0.169359 Jy/beam ! Clean residual mean=0.006178 rms=0.024883 Jy/beam ! Combined flux in latest and established models = 2.02514 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 2.02514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.471608Jy sigma=4.792990 ! Fit after self-cal, rms=0.471632Jy sigma=4.792521 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Added new window around map position (-1.6, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.175976 Jy ! Component: 100 - total flux cleaned = 0.275309 Jy ! Total flux subtracted in 100 components = 0.275309 Jy ! Clean residual min=-0.071018 max=0.148730 Jy/beam ! Clean residual mean=0.004288 rms=0.018851 Jy/beam ! Combined flux in latest and established models = 2.30045 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 2.30045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393870Jy sigma=3.476448 ! Fit after self-cal, rms=0.387803Jy sigma=3.372203 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.831 mas, bmaj=1.365 mas, bpa=-5.869 degrees ! Estimated noise=1.53206 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 = 0.129461 Jy ! Component: 100 - total flux cleaned = 0.198215 Jy ! Component: 150 - total flux cleaned = 0.236332 Jy ! Component: 200 - total flux cleaned = 0.257732 Jy ! Total flux subtracted in 200 components = 0.257732 Jy ! Clean residual min=-0.059645 max=0.118863 Jy/beam ! Clean residual mean=0.003876 rms=0.021218 Jy/beam ! Combined flux in latest and established models = 2.55818 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 33 components and 2.55818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.364287Jy sigma=2.753610 ! Fit after self-cal, rms=0.361165Jy sigma=2.694592 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 1.00* FD 0.92 GG 1.00* HN 1.00* ! KK 1.06 KP 1.07 LA 0.97 MA 1.00* ! MC 1.00* MK 0.95 NL 1.25 ON 1.00* ! OV 0.91 PT 0.97 SC 0.99 TC 0.99 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 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* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.91 GG 1.00* HN 1.00* ! KK 1.04 KP 1.03 LA 0.92 MA 1.00* ! MC 1.00* MK 0.95 NL 1.21 ON 1.00* ! OV 0.90 PT 0.96 SC 1.09 TC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.00* KP 1.09 LA 0.95 MA 1.00* ! MC 1.00* MK 1.00* NL 1.21 ON 1.00* ! OV 1.00* PT 1.04 SC 0.96 TC 0.95 ! TS 1.00* WF 1.12 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.11 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.92 PT 0.98 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GG 1.00* HN 1.00* ! KK 1.06 KP 0.99 LA 0.96 MA 1.00* ! MC 1.00* MK 0.97 NL 1.21 ON 1.00* ! OV 0.90 PT 1.02 SC 0.95 TC 1.07 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 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* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.90 GG 1.00* HN 1.00* ! KK 1.02 KP 0.98 LA 0.93 MA 1.00* ! MC 1.00* MK 0.95 NL 1.14 ON 1.00* ! OV 0.90 PT 0.99 SC 1.07 TC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.00* KP 1.03 LA 0.96 MA 1.00* ! MC 1.00* MK 1.00* NL 1.15 ON 1.00* ! OV 1.00* PT 1.11 SC 0.90 TC 1.06 ! TS 1.00* WF 1.16 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.05 LA 0.99 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.93 PT 0.99 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GG 1.00* HN 1.00* ! KK 1.13 KP 0.95 LA 0.96 MA 1.00* ! MC 1.00* MK 0.97 NL 1.15 ON 1.00* ! OV 0.95 PT 1.04 SC 0.98 TC 0.98 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 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* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.89 GG 1.00* HN 1.00* ! KK 1.09 KP 0.93 LA 0.94 MA 1.00* ! MC 1.00* MK 0.97 NL 1.11 ON 1.00* ! OV 0.92 PT 1.02 SC 1.13 TC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.93 GG 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.96 MA 1.00* ! MC 1.00* MK 1.00* NL 1.12 ON 1.00* ! OV 1.00* PT 1.13 SC 0.93 TC 1.01 ! TS 1.00* WF 1.11 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.00 LA 0.99 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.95 PT 1.02 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GG 1.00* HN 1.00* ! KK 1.05 KP 1.02 LA 0.95 MA 1.00* ! MC 1.00* MK 0.99 NL 1.15 ON 1.00* ! OV 0.94 PT 1.03 SC 1.02 TC 1.10 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 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* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.89 GG 1.00* HN 1.00* ! KK 1.03 KP 0.98 LA 0.91 MA 1.00* ! MC 1.00* MK 0.98 NL 1.13 ON 1.00* ! OV 0.93 PT 1.02 SC 1.20 TC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.91 GG 1.00* HN 1.00* ! KK 1.00* KP 1.04 LA 0.95 MA 1.00* ! MC 1.00* MK 1.00* NL 1.12 ON 1.00* ! OV 1.00* PT 1.12 SC 0.99 TC 1.01 ! TS 1.00* WF 1.13 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.04 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.96 PT 1.03 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.361165Jy sigma=2.694592 ! Fit after self-cal, rms=0.280038Jy sigma=1.406455 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8334 mas, bmaj=1.371 mas, bpa=-5.767 degrees ! Estimated noise=1.538 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 = -0.0313589 Jy ! Component: 100 - total flux cleaned = -0.0319487 Jy ! Component: 150 - total flux cleaned = -0.0298369 Jy ! Component: 200 - total flux cleaned = -0.0285129 Jy ! Total flux subtracted in 200 components = -0.0285129 Jy ! Clean residual min=-0.022879 max=0.018921 Jy/beam ! Clean residual mean=-0.000158 rms=0.006323 Jy/beam ! Combined flux in latest and established models = 2.52967 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 37 components and 2.52967 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271844Jy sigma=1.371363 ! Fit after self-cal, rms=0.270699Jy sigma=1.351517 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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=0.270699Jy sigma=1.351517 ! Fit after self-cal, rms=0.268003Jy sigma=1.272045 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8323 mas, bmaj=1.375 mas, bpa=-5.835 degrees ! Estimated noise=1.53567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0236979 Jy ! Component: 100 - total flux cleaned = -0.0241992 Jy ! Component: 150 - total flux cleaned = -0.0223034 Jy ! Component: 200 - total flux cleaned = -0.0210407 Jy ! Total flux subtracted in 200 components = -0.0210407 Jy ! Clean residual min=-0.017452 max=0.017110 Jy/beam ! Clean residual mean=-0.000213 rms=0.005100 Jy/beam ! Combined flux in latest and established models = 2.50863 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 38 components and 2.50863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262611Jy sigma=1.253685 ! Fit after self-cal, rms=0.261594Jy sigma=1.237741 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 = -0.00809642 Jy ! Component: 100 - total flux cleaned = -0.00727805 Jy ! Component: 150 - total flux cleaned = -0.00705259 Jy ! Component: 200 - total flux cleaned = -0.00706188 Jy ! Total flux subtracted in 200 components = -0.00706188 Jy ! Clean residual min=-0.016320 max=0.017503 Jy/beam ! Clean residual mean=-0.000012 rms=0.004987 Jy/beam ! Combined flux in latest and established models = 2.50157 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 39 components and 2.50157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260128Jy sigma=1.234870 ! Fit after self-cal, rms=0.259883Jy sigma=1.231043 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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=0.259883Jy sigma=1.231043 ! Fit after self-cal, rms=0.250896Jy sigma=1.071952 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8315 mas, bmaj=1.376 mas, bpa=-5.839 degrees ! Estimated noise=1.53211 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.017558 Jy ! Component: 100 - total flux cleaned = -0.0183875 Jy ! Component: 150 - total flux cleaned = -0.0186152 Jy ! Component: 200 - total flux cleaned = -0.0182321 Jy ! Total flux subtracted in 200 components = -0.0182321 Jy ! Clean residual min=-0.013234 max=0.013200 Jy/beam ! Clean residual mean=0.000123 rms=0.003549 Jy/beam ! Combined flux in latest and established models = 2.48334 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 2.48334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247894Jy sigma=1.062956 ! Fit after self-cal, rms=0.247337Jy sigma=1.054241 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 (1.6, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00401139 Jy ! Component: 100 - total flux cleaned = 0.00175193 Jy ! Component: 150 - total flux cleaned = -8.11655e-05 Jy ! Component: 200 - total flux cleaned = -0.000827205 Jy ! Total flux subtracted in 200 components = -0.000827205 Jy ! Clean residual min=-0.011936 max=0.013164 Jy/beam ! Clean residual mean=0.000143 rms=0.003089 Jy/beam ! Combined flux in latest and established models = 2.48251 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 49 components and 2.48251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245234Jy sigma=1.046654 ! Fit after self-cal, rms=0.245220Jy sigma=1.039869 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Added new window around map position (5.6, -6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00676988 Jy ! Component: 100 - total flux cleaned = 0.00680597 Jy ! Component: 150 - total flux cleaned = 0.00654231 Jy ! Component: 200 - total flux cleaned = 0.00610618 Jy ! Total flux subtracted in 200 components = 0.00610618 Jy ! Clean residual min=-0.010415 max=0.007991 Jy/beam ! Clean residual mean=0.000007 rms=0.002613 Jy/beam ! Combined flux in latest and established models = 2.48861 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 2.48861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243451Jy sigma=1.035706 ! Fit after self-cal, rms=0.243363Jy sigma=1.032831 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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=0.243363Jy sigma=1.032831 ! Fit after self-cal, rms=0.244770Jy sigma=1.013754 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=2.354 mas, bmaj=7.617 mas, bpa=-8 degrees ! Estimated noise=1.88551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00762007 Jy ! Component: 100 - total flux cleaned = -0.0091548 Jy ! Component: 150 - total flux cleaned = -0.0104025 Jy ! Component: 200 - total flux cleaned = -0.0113049 Jy ! Total flux subtracted in 200 components = -0.0113049 Jy ! Clean residual min=-0.009071 max=0.006051 Jy/beam ! Clean residual mean=-0.000502 rms=0.002531 Jy/beam ! Combined flux in latest and established models = 2.47731 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 2.47731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243802Jy sigma=1.011722 ! Fit after self-cal, rms=0.243768Jy sigma=1.010614 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 = -0.000947535 Jy ! Component: 100 - total flux cleaned = -0.00116818 Jy ! Component: 150 - total flux cleaned = -0.00146407 Jy ! Component: 200 - total flux cleaned = -0.00164158 Jy ! Total flux subtracted in 200 components = -0.00164158 Jy ! Clean residual min=-0.008700 max=0.005518 Jy/beam ! Clean residual mean=-0.000360 rms=0.002420 Jy/beam ! Combined flux in latest and established models = 2.47567 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 67 components and 2.47567 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243362Jy sigma=1.010290 ! Fit after self-cal, rms=0.243360Jy sigma=1.009947 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8308 mas, bmaj=1.378 mas, bpa=-5.86 degrees ! Estimated noise=1.52845 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8308 x 1.378 at -5.86 degrees (North through East) ! Clean map min=-0.013379 max=2.1798 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=0.243360Jy sigma=1.009947 ! Fit after self-cal, rms=0.185736Jy sigma=0.707701 ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8323 mas, bmaj=1.378 mas, bpa=-5.844 degrees ! Estimated noise=1.52796 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00828471 Jy ! Component: 100 - total flux cleaned = -0.00900435 Jy ! Component: 150 - total flux cleaned = -0.00885675 Jy ! Component: 200 - total flux cleaned = -0.00885734 Jy ! Total flux subtracted in 200 components = -0.00885734 Jy ! Clean residual min=-0.007465 max=0.005600 Jy/beam ! Clean residual mean=-0.000294 rms=0.001758 Jy/beam ! Combined flux in latest and established models = 2.46681 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 2.46681 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184779Jy sigma=0.705623 ! Fit after self-cal, rms=0.184697Jy sigma=0.702914 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000776308 Jy ! Component: 100 - total flux cleaned = -0.000785079 Jy ! Component: 150 - total flux cleaned = -0.000499028 Jy ! Component: 200 - total flux cleaned = -0.000230409 Jy ! Total flux subtracted in 200 components = -0.000230409 Jy ! Clean residual min=-0.007222 max=0.005377 Jy/beam ! Clean residual mean=-0.000285 rms=0.001697 Jy/beam ! Combined flux in latest and established models = 2.46658 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 82 components and 2.46658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184211Jy sigma=0.701203 ! Fit after self-cal, rms=0.184221Jy sigma=0.700158 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184221Jy sigma=0.700158 ! Fit after self-cal, rms=0.184261Jy sigma=0.696879 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.6193 mas, bmaj=0.8804 mas, bpa=16.04 degrees ! Estimated noise=3.191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.63232 Jy ! Component: 100 - total flux cleaned = 2.03419 Jy ! Component: 150 - total flux cleaned = 2.18323 Jy ! Component: 200 - total flux cleaned = 2.25218 Jy ! Total flux subtracted in 200 components = 2.25218 Jy ! Clean residual min=-0.018885 max=0.042855 Jy/beam ! Clean residual mean=0.001556 rms=0.006206 Jy/beam ! Combined flux in latest and established models = 2.25218 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 2.25218 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8322 mas, bmaj=1.378 mas, bpa=-5.82 degrees ! Estimated noise=1.52574 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.4, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0882489 Jy ! Component: 100 - total flux cleaned = 0.135821 Jy ! Component: 150 - total flux cleaned = 0.164858 Jy ! Component: 200 - total flux cleaned = 0.183404 Jy ! Total flux subtracted in 200 components = 0.183404 Jy ! Clean residual min=-0.010954 max=0.011804 Jy/beam ! Clean residual mean=0.000342 rms=0.003510 Jy/beam ! Combined flux in latest and established models = 2.43558 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 38 components and 2.43558 Jy ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=2.357 mas, bmaj=7.641 mas, bpa=-8.055 degrees ! Estimated noise=1.87943 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0169994 Jy ! Component: 100 - total flux cleaned = 0.0195484 Jy ! Component: 150 - total flux cleaned = 0.0201607 Jy ! Component: 200 - total flux cleaned = 0.0208973 Jy ! Total flux subtracted in 200 components = 0.0208973 Jy ! Clean residual min=-0.007940 max=0.006270 Jy/beam ! Clean residual mean=-0.000530 rms=0.002820 Jy/beam ! Combined flux in latest and established models = 2.45648 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 = 0.000400055 Jy ! Component: 100 - total flux cleaned = 0.000735019 Jy ! Component: 150 - total flux cleaned = 0.000730654 Jy ! Component: 200 - total flux cleaned = 0.00073237 Jy ! Total flux subtracted in 200 components = 0.00073237 Jy ! Clean residual min=-0.006905 max=0.005640 Jy/beam ! Clean residual mean=-0.000567 rms=0.002336 Jy/beam ! Combined flux in latest and established models = 2.45721 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 68 components and 2.45721 Jy ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! Estimated beam: bmin=0.8322 mas, bmaj=1.378 mas, bpa=-5.82 degrees ! Estimated noise=1.52574 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00427517 Jy ! Component: 100 - total flux cleaned = 0.00400182 Jy ! Component: 150 - total flux cleaned = 0.0034796 Jy ! Component: 200 - total flux cleaned = 0.00299757 Jy ! Total flux subtracted in 200 components = 0.00299757 Jy ! Clean residual min=-0.006846 max=0.005868 Jy/beam ! Clean residual mean=-0.000351 rms=0.001759 Jy/beam ! Combined flux in latest and established models = 2.46021 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 81 components and 2.46021 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183730Jy sigma=0.695272 ! Fit after self-cal, rms=0.182945Jy sigma=0.690944 wmodel J1957-3845_X_2003_05_07_pus_map.mod ! Writing 81 model components to file: J1957-3845_X_2003_05_07_pus_map.mod wobs J1957-3845_X_2003_05_07_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2003_05_07_pus_uvs.fits wwins J1957-3845_X_2003_05_07_pus_map.win ! wwins: Wrote 5 windows to J1957-3845_X_2003_05_07_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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00245283 Jy ! Component: 100 - total flux cleaned = -0.00328981 Jy ! Component: 150 - total flux cleaned = -0.0033847 Jy ! Component: 200 - total flux cleaned = -0.00365224 Jy ! Component: 250 - total flux cleaned = -0.00416565 Jy ! Component: 300 - total flux cleaned = -0.00499247 Jy ! Component: 350 - total flux cleaned = -0.00571247 Jy ! Component: 400 - total flux cleaned = -0.0063338 Jy ! Component: 450 - total flux cleaned = -0.00686194 Jy ! Component: 500 - total flux cleaned = -0.00730228 Jy ! Component: 550 - total flux cleaned = -0.00773112 Jy ! Component: 600 - total flux cleaned = -0.00836004 Jy ! Component: 650 - total flux cleaned = -0.00877106 Jy ! Component: 700 - total flux cleaned = -0.00917419 Jy ! Component: 750 - total flux cleaned = -0.00943865 Jy ! Component: 800 - total flux cleaned = -0.00976367 Jy ! Component: 850 - total flux cleaned = -0.0100192 Jy ! Component: 900 - total flux cleaned = -0.0103338 Jy ! Component: 950 - total flux cleaned = -0.0105197 Jy ! Component: 1000 - total flux cleaned = -0.0106419 Jy ! Total flux subtracted in 1024 components = -0.0107635 Jy ! Clean residual min=-0.003406 max=0.003489 Jy/beam ! Clean residual mean=-0.000136 rms=0.001180 Jy/beam ! Combined flux in latest and established models = 2.44945 Jy keep ! Adding 59 model components to the UV plane model. ! The established model now contains 139 components and 2.44945 Jy wmap "J1957-3845_X_2003_05_07_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8322 x 1.378 at -5.82 degrees (North through East) ! Clean map min=-0.0090069 max=2.178 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2003_05_07_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.178 invert ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1907 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00118395 device "J1957-3845_X_2003_05_07_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2003_05_07_pus_map.eps/VPS' loglevs 0.326 ! The new contour levels are: ! -0.326 0.326 0.652 1.304 2.608 5.216 10.432 20.864 41.728 83.456 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.178 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8322 x 1.378 at -5.82 degrees (North through East) ! Clean map min=-0.0090069 max=2.178 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2003_05_07_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2003_05_07_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_2003_05_07_pus_uvs.log closed on Tue Dec 12 22:16:08 2006