! Started logfile: J1957-3845_X_2003_07_09_pus_uvs.log on Wed Dec 19 23:41:00 2012 obs J1957-3845_X_2003_07_09_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2003_07_09_pus_uva.fits ! AN table 1: 68 integrations on 171 of 171 possible baselines. ! AN table 2: 71 integrations on 171 of 171 possible baselines. ! AN table 3: 597 integrations on 171 of 171 possible baselines. ! AN table 4: 155 integrations on 171 of 171 possible baselines. ! AN table 5: 186 integrations on 171 of 171 possible baselines. ! AN table 6: 32 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0337272 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! 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. ! 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. ! 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 1870 lines of history. ! ! Reading 25584 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.1 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1957-3845_X_2003_07_09_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.100x0.100 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 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9552 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9552 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9552 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 4. ! A total of 1292 telescope corrections were flagged in sub-array 1. ! A total of 1223 telescope corrections were flagged in sub-array 2. ! A total of 9552 telescope corrections were flagged in sub-array 3. ! A total of 2945 telescope corrections were flagged in sub-array 4. ! A total of 3484 telescope corrections were flagged in sub-array 5. ! A total of 608 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=1.919011Jy sigma=0.013500 ! Fit after self-cal, rms=1.518959Jy sigma=0.011507 ! 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 ! Estimated beam: bmin=0.6703 mas, bmaj=1.321 mas, bpa=-10.98 degrees ! Estimated noise=1605.76 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 = 1.87956 Jy ! Component: 100 - total flux cleaned = 2.3209 Jy ! Total flux subtracted in 100 components = 2.3209 Jy ! Clean residual min=-0.105467 max=0.249519 Jy/beam ! Clean residual mean=0.003399 rms=0.044829 Jy/beam ! Combined flux in latest and established models = 2.3209 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 2.3209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.736726Jy sigma=0.004277 ! Fit after self-cal, rms=0.737000Jy sigma=0.004277 ! Inverting map 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 ! Estimated beam: bmin=0.8048 mas, bmaj=1.351 mas, bpa=-9.331 degrees ! Estimated noise=789.831 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 = 0.285122 Jy ! Component: 100 - total flux cleaned = 0.414652 Jy ! Component: 150 - total flux cleaned = 0.476938 Jy ! Component: 200 - total flux cleaned = 0.482372 Jy ! Total flux subtracted in 200 components = 0.482372 Jy ! Clean residual min=-0.113595 max=0.206257 Jy/beam ! Clean residual mean=-0.001292 rms=0.043532 Jy/beam ! Combined flux in latest and established models = 2.80327 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 26 components and 2.80327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.666965Jy sigma=0.003277 ! Fit after self-cal, rms=0.667292Jy sigma=0.003276 ! Inverting map 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* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! 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* ! HN 1.00* KP 0.90 LA 0.96 MA 1.00* ! MK 0.89 NL 1.50 NY 1.00* ON 1.00* ! OV 0.94 PT 0.97 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 246 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HN 1.00* KP 0.91 LA 0.97 MA 1.00* ! MK 0.95 NL 1.23 NY 1.00* ON 1.00* ! OV 0.98 PT 0.96 SC 0.88 TC 1.06 ! TS 1.00* WF 1.77 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.17 GC 1.00* GG 1.00* ! HN 1.00* KP 1.21 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.07 PT 1.25 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.00* KP 0.85 LA 0.96 MA 1.00* ! MK 0.88 NL 1.41 NY 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* ! ! A total of 246 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HN 1.00* KP 0.86 LA 0.97 MA 1.00* ! MK 0.97 NL 1.19 NY 1.00* ON 1.00* ! OV 0.97 PT 1.01 SC 0.87 TC 1.11 ! TS 1.00* WF 1.81 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.17 GC 1.00* GG 1.00* ! HN 1.00* KP 1.21 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.07 PT 1.28 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.93 GC 1.00* GG 1.00* ! HN 1.00* KP 0.79 LA 0.97 MA 1.00* ! MK 0.88 NL 1.43 NY 1.00* ON 1.00* ! OV 0.99 PT 1.04 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 246 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.00* KP 0.81 LA 0.98 MA 1.00* ! MK 0.97 NL 1.18 NY 1.00* ON 1.00* ! OV 1.01 PT 1.03 SC 0.87 TC 1.05 ! TS 1.00* WF 1.82 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.14 GC 1.00* GG 1.00* ! HN 1.00* KP 1.22 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.10 PT 1.25 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.93 GC 1.00* GG 1.00* ! HN 1.00* KP 0.85 LA 0.96 MA 1.00* ! MK 0.89 NL 1.44 NY 1.00* ON 1.00* ! OV 0.98 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 246 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.93 GC 1.00* GG 1.00* ! HN 1.00* KP 0.86 LA 0.97 MA 1.00* ! MK 0.99 NL 1.18 NY 1.00* ON 1.00* ! OV 1.00 PT 1.03 SC 0.92 TC 1.06 ! TS 1.00* WF 1.83 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.13 GC 1.00* GG 1.00* ! HN 1.00* KP 1.21 LA 1.00* MA 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.07 PT 1.25 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 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* ! ! ! Fit before self-cal, rms=0.667292Jy sigma=0.003276 ! Fit after self-cal, rms=0.660737Jy sigma=0.001500 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8128 mas, bmaj=1.405 mas, bpa=-8.642 degrees ! Estimated noise=781.849 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 = 0.000823883 Jy ! Component: 100 - total flux cleaned = 0.00171392 Jy ! Component: 150 - total flux cleaned = 0.00171396 Jy ! Component: 200 - total flux cleaned = 0.00166394 Jy ! Total flux subtracted in 200 components = 0.00166394 Jy ! Clean residual min=-0.030331 max=0.028730 Jy/beam ! Clean residual mean=0.000178 rms=0.007935 Jy/beam ! Combined flux in latest and established models = 2.80493 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 36 components and 2.80493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.657929Jy sigma=0.001500 ! Fit after self-cal, rms=0.660880Jy sigma=0.001498 ! Inverting map 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=0.660880Jy sigma=0.001498 ! Fit after self-cal, rms=0.564237Jy sigma=0.001365 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8154 mas, bmaj=1.407 mas, bpa=-8.702 degrees ! Estimated noise=783.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00541818 Jy ! Component: 100 - total flux cleaned = -0.00584147 Jy ! Component: 150 - total flux cleaned = -0.00582701 Jy ! Component: 200 - total flux cleaned = -0.00581803 Jy ! Total flux subtracted in 200 components = -0.00581803 Jy ! Clean residual min=-0.017036 max=0.019307 Jy/beam ! Clean residual mean=0.000235 rms=0.003488 Jy/beam ! Combined flux in latest and established models = 2.79912 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 47 components and 2.79912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.562768Jy sigma=0.001359 ! Fit after self-cal, rms=0.562251Jy sigma=0.001358 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 (-1.2, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00845019 Jy ! Component: 100 - total flux cleaned = 0.00800391 Jy ! Component: 150 - total flux cleaned = 0.00690661 Jy ! Component: 200 - total flux cleaned = 0.00624738 Jy ! Total flux subtracted in 200 components = 0.00624738 Jy ! Clean residual min=-0.015632 max=0.009980 Jy/beam ! Clean residual mean=0.000140 rms=0.002964 Jy/beam ! Combined flux in latest and established models = 2.80536 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 2.80536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.560899Jy sigma=0.001350 ! Fit after self-cal, rms=0.560882Jy sigma=0.001349 ! Inverting map 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=0.560882Jy sigma=0.001349 ! Fit after self-cal, rms=0.568713Jy sigma=0.001336 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.816 mas, bmaj=1.413 mas, bpa=-8.783 degrees ! Estimated noise=783.941 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00150693 Jy ! Component: 100 - total flux cleaned = -0.00117692 Jy ! Component: 150 - total flux cleaned = -0.000569902 Jy ! Component: 200 - total flux cleaned = -0.00056798 Jy ! Total flux subtracted in 200 components = -0.00056798 Jy ! Clean residual min=-0.014124 max=0.009096 Jy/beam ! Clean residual mean=0.000110 rms=0.002654 Jy/beam ! Combined flux in latest and established models = 2.8048 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 74 components and 2.8048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.567779Jy sigma=0.001333 ! Fit after self-cal, rms=0.567723Jy sigma=0.001332 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.00087761 Jy ! Component: 100 - total flux cleaned = 0.000619516 Jy ! Component: 150 - total flux cleaned = 0.000619504 Jy ! Component: 200 - total flux cleaned = 0.000619055 Jy ! Total flux subtracted in 200 components = 0.000619055 Jy ! Clean residual min=-0.013008 max=0.008828 Jy/beam ! Clean residual mean=0.000098 rms=0.002532 Jy/beam ! Combined flux in latest and established models = 2.80542 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 76 components and 2.80542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.567037Jy sigma=0.001331 ! Fit after self-cal, rms=0.567025Jy sigma=0.001331 ! Inverting map 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=0.567025Jy sigma=0.001331 ! Fit after self-cal, rms=0.571153Jy sigma=0.001327 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.531 mas, bmaj=7.918 mas, bpa=-5.832 degrees ! Estimated noise=892.044 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00047944 Jy ! Component: 100 - total flux cleaned = -0.000853077 Jy ! Component: 150 - total flux cleaned = -0.00116274 Jy ! Component: 200 - total flux cleaned = -0.00133618 Jy ! Total flux subtracted in 200 components = -0.00133618 Jy ! Clean residual min=-0.007199 max=0.005485 Jy/beam ! Clean residual mean=0.000175 rms=0.002541 Jy/beam ! Combined flux in latest and established models = 2.80408 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 92 components and 2.80408 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.570979Jy sigma=0.001327 ! Fit after self-cal, rms=0.570979Jy sigma=0.001327 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000158916 Jy ! Component: 100 - total flux cleaned = -0.000142832 Jy ! Component: 150 - total flux cleaned = -0.000303587 Jy ! Component: 200 - total flux cleaned = -0.000447535 Jy ! Total flux subtracted in 200 components = -0.000447535 Jy ! Clean residual min=-0.007052 max=0.005239 Jy/beam ! Clean residual mean=0.000183 rms=0.002440 Jy/beam ! Combined flux in latest and established models = 2.80363 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 101 components and 2.80363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.570864Jy sigma=0.001327 ! Fit after self-cal, rms=0.570858Jy sigma=0.001326 ! Inverting map 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 ! Estimated beam: bmin=0.8165 mas, bmaj=1.417 mas, bpa=-8.81 degrees ! Estimated noise=784.653 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8165 x 1.417 at -8.81 degrees (North through East) ! Clean map min=-0.011884 max=2.4437 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=0.570858Jy sigma=0.001326 ! Fit after self-cal, rms=0.564565Jy sigma=0.001075 ! Inverting map and beam ! Estimated beam: bmin=0.8171 mas, bmaj=1.417 mas, bpa=-8.768 degrees ! Estimated noise=784.536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00271439 Jy ! Component: 100 - total flux cleaned = -0.00247787 Jy ! Component: 150 - total flux cleaned = -0.00247965 Jy ! Component: 200 - total flux cleaned = -0.00247579 Jy ! Total flux subtracted in 200 components = -0.00247579 Jy ! Clean residual min=-0.010506 max=0.007565 Jy/beam ! Clean residual mean=0.000045 rms=0.002040 Jy/beam ! Combined flux in latest and established models = 2.80116 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 106 components and 2.80116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.563959Jy sigma=0.001074 ! Fit after self-cal, rms=0.563943Jy sigma=0.001074 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000666481 Jy ! Component: 100 - total flux cleaned = 0.000855546 Jy ! Component: 150 - total flux cleaned = 0.000853878 Jy ! Component: 200 - total flux cleaned = 0.000861237 Jy ! Total flux subtracted in 200 components = 0.000861237 Jy ! Clean residual min=-0.009873 max=0.007141 Jy/beam ! Clean residual mean=0.000031 rms=0.001954 Jy/beam ! Combined flux in latest and established models = 2.80202 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 108 components and 2.80202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.563548Jy sigma=0.001073 ! Fit after self-cal, rms=0.563531Jy sigma=0.001073 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.563531Jy sigma=0.001073 ! Fit after self-cal, rms=0.567340Jy sigma=0.001072 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 ! Estimated beam: bmin=0.6673 mas, bmaj=1.351 mas, bpa=-11.02 degrees ! Estimated noise=1643.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.90285 Jy ! Component: 100 - total flux cleaned = 2.35208 Jy ! Component: 150 - total flux cleaned = 2.51873 Jy ! Component: 200 - total flux cleaned = 2.61419 Jy ! Total flux subtracted in 200 components = 2.61419 Jy ! Clean residual min=-0.020335 max=0.051387 Jy/beam ! Clean residual mean=0.001338 rms=0.009481 Jy/beam ! Combined flux in latest and established models = 2.61419 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 45 model components to the UV plane model. ! The established model now contains 45 components and 2.61419 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8177 mas, bmaj=1.42 mas, bpa=-8.805 degrees ! Estimated noise=784.528 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 = 0.0885971 Jy ! Component: 100 - total flux cleaned = 0.130571 Jy ! Component: 150 - total flux cleaned = 0.154017 Jy ! Component: 200 - total flux cleaned = 0.167525 Jy ! Total flux subtracted in 200 components = 0.167525 Jy ! Clean residual min=-0.007063 max=0.011997 Jy/beam ! Clean residual mean=0.000376 rms=0.002695 Jy/beam ! Combined flux in latest and established models = 2.78171 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 101 components and 2.78171 Jy ! Inverting map ! Added new window around map position (-1.2, 0.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106665 Jy ! Component: 100 - total flux cleaned = 0.0146345 Jy ! Component: 150 - total flux cleaned = 0.0158411 Jy ! Component: 200 - total flux cleaned = 0.0169915 Jy ! Total flux subtracted in 200 components = 0.0169915 Jy ! Clean residual min=-0.006031 max=0.006015 Jy/beam ! Clean residual mean=0.000072 rms=0.001572 Jy/beam ! Combined flux in latest and established models = 2.7987 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 136 components and 2.7987 Jy ! Inverting map uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7535 mas, bmaj=0.8994 mas, bpa=27.13 degrees ! Estimated noise=2254.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00160159 Jy ! Component: 100 - total flux cleaned = -0.00159191 Jy ! Component: 150 - total flux cleaned = -0.00132887 Jy ! Component: 200 - total flux cleaned = -0.00133277 Jy ! Total flux subtracted in 200 components = -0.00133277 Jy ! Clean residual min=-0.010419 max=0.009949 Jy/beam ! Clean residual mean=0.000090 rms=0.003048 Jy/beam ! Combined flux in latest and established models = 2.79737 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000208724 Jy ! Component: 100 - total flux cleaned = 0.00040374 Jy ! Component: 150 - total flux cleaned = 0.000582676 Jy ! Component: 200 - total flux cleaned = 0.000579506 Jy ! Total flux subtracted in 200 components = 0.000579506 Jy ! Clean residual min=-0.010222 max=0.009777 Jy/beam ! Clean residual mean=0.000078 rms=0.002955 Jy/beam ! Combined flux in latest and established models = 2.79795 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 170 components and 2.79795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.564194Jy sigma=0.001068 ! Fit after self-cal, rms=0.563730Jy sigma=0.001067 wmodel J1957-3845_X_2003_07_09_pus_map.mod ! Writing 170 model components to file: J1957-3845_X_2003_07_09_pus_map.mod wobs J1957-3845_X_2003_07_09_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2003_07_09_pus_uvs.fits wwins J1957-3845_X_2003_07_09_pus_map.win ! wwins: Wrote 3 windows to J1957-3845_X_2003_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00179007 Jy ! Component: 100 - total flux cleaned = -0.00421006 Jy ! Component: 150 - total flux cleaned = -0.00486863 Jy ! Component: 200 - total flux cleaned = -0.00518304 Jy ! Component: 250 - total flux cleaned = -0.00563972 Jy ! Component: 300 - total flux cleaned = -0.00623172 Jy ! Component: 350 - total flux cleaned = -0.00680476 Jy ! Component: 400 - total flux cleaned = -0.00694385 Jy ! Component: 450 - total flux cleaned = -0.00708024 Jy ! Component: 500 - total flux cleaned = -0.00721185 Jy ! Component: 550 - total flux cleaned = -0.00734019 Jy ! Component: 600 - total flux cleaned = -0.00746733 Jy ! Component: 650 - total flux cleaned = -0.00771927 Jy ! Component: 700 - total flux cleaned = -0.00808857 Jy ! Component: 750 - total flux cleaned = -0.00844929 Jy ! Component: 800 - total flux cleaned = -0.00868603 Jy ! Component: 850 - total flux cleaned = -0.00903506 Jy ! Component: 900 - total flux cleaned = -0.00926458 Jy ! Component: 950 - total flux cleaned = -0.00949135 Jy ! Component: 1000 - total flux cleaned = -0.00993644 Jy ! Component: 1050 - total flux cleaned = -0.0101551 Jy ! Component: 1100 - total flux cleaned = -0.0103707 Jy ! Component: 1150 - total flux cleaned = -0.010477 Jy ! Component: 1200 - total flux cleaned = -0.0104764 Jy ! Component: 1250 - total flux cleaned = -0.010477 Jy ! Component: 1300 - total flux cleaned = -0.0105791 Jy ! Component: 1350 - total flux cleaned = -0.0104794 Jy ! Component: 1400 - total flux cleaned = -0.0105798 Jy ! Component: 1450 - total flux cleaned = -0.0103834 Jy ! Component: 1500 - total flux cleaned = -0.010384 Jy ! Component: 1550 - total flux cleaned = -0.0103844 Jy ! Component: 1600 - total flux cleaned = -0.0102895 Jy ! Component: 1650 - total flux cleaned = -0.0101954 Jy ! Component: 1700 - total flux cleaned = -0.0100096 Jy ! Component: 1750 - total flux cleaned = -0.0100094 Jy ! Component: 1800 - total flux cleaned = -0.00991772 Jy ! Component: 1850 - total flux cleaned = -0.00964862 Jy ! Component: 1900 - total flux cleaned = -0.0095606 Jy ! Component: 1950 - total flux cleaned = -0.00947285 Jy ! Component: 2000 - total flux cleaned = -0.00947288 Jy ! Total flux subtracted in 2048 components = -0.00930007 Jy ! Clean residual min=-0.004868 max=0.004911 Jy/beam ! Clean residual mean=0.000113 rms=0.001809 Jy/beam ! Combined flux in latest and established models = 2.78865 Jy keep ! Adding 146 model components to the UV plane model. ! The established model now contains 316 components and 2.78865 Jy ![Exited script file: muppet] wmap "J1957-3845_X_2003_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7535 x 0.8994 at 27.13 degrees (North through East) ! Clean map min=-0.011105 max=2.2732 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2003_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.27323 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00179714 device "J1957-3845_X_2003_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2003_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.23717 0.23717 0.47434 0.948681 1.89736 3.79472 7.58944 15.1789 30.3578 60.7156 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0053 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.273 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7535 x 0.8994 at 27.13 degrees (North through East) ! Clean map min=-0.011105 max=2.2732 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2003_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2003_07_09_pus_map.gif/vgif' mapplot cln