! Started logfile: J1925+2106_S_2007_12_05_pus_uvs.log on Sat Sep 11 23:23:21 2010 obs J1925+2106_S_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1925+2106_S_2007_12_05_pus_uva.fits ! AN table 1: 83 integrations on 136 of 136 possible baselines. ! AN table 2: 147 integrations on 136 of 136 possible baselines. ! AN table 3: 54 integrations on 136 of 136 possible baselines. ! AN table 4: 12 integrations on 136 of 136 possible baselines. ! AN table 5: 42 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0881918 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1925+2106 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1723 lines of history. ! ! Reading 16216 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 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 0.500x0.500 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 1216 telescope corrections were flagged in sub-array 1. ! A total of 1574 telescope corrections were flagged in sub-array 2. ! A total of 768 telescope corrections were flagged in sub-array 3. ! A total of 151 telescope corrections were flagged in sub-array 4. ! A total of 607 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 1216 telescope corrections were flagged in sub-array 1. ! A total of 1574 telescope corrections were flagged in sub-array 2. ! A total of 768 telescope corrections were flagged in sub-array 3. ! A total of 151 telescope corrections were flagged in sub-array 4. ! A total of 607 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 1216 telescope corrections were flagged in sub-array 1. ! A total of 1574 telescope corrections were flagged in sub-array 2. ! A total of 768 telescope corrections were flagged in sub-array 3. ! A total of 151 telescope corrections were flagged in sub-array 4. ! A total of 607 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 1297 telescope corrections were flagged in sub-array 1. ! A total of 1653 telescope corrections were flagged in sub-array 2. ! A total of 768 telescope corrections were flagged in sub-array 3. ! A total of 151 telescope corrections were flagged in sub-array 4. ! A total of 645 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.862007Jy sigma=0.006989 ! Fit after self-cal, rms=0.591424Jy sigma=0.004481 ! 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=2.118 mas, bmaj=2.955 mas, bpa=-6.617 degrees ! Estimated noise=1866.63 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 = 0.906372 Jy ! Component: 100 - total flux cleaned = 1.26918 Jy ! Total flux subtracted in 100 components = 1.26918 Jy ! Clean residual min=-0.071728 max=0.170346 Jy/beam ! Clean residual mean=0.001319 rms=0.023326 Jy/beam ! Combined flux in latest and established models = 1.26918 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.26918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380709Jy sigma=0.002425 ! Fit after self-cal, rms=0.375654Jy sigma=0.002417 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.192567 Jy ! Component: 100 - total flux cleaned = 0.29818 Jy ! Total flux subtracted in 100 components = 0.29818 Jy ! Clean residual min=-0.055589 max=0.074283 Jy/beam ! Clean residual mean=-0.000237 rms=0.014619 Jy/beam ! Combined flux in latest and established models = 1.56736 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 31 components and 1.56736 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320240Jy sigma=0.001697 ! Fit after self-cal, rms=0.319053Jy sigma=0.001695 ! 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=1.806 mas, bmaj=3.041 mas, bpa=-5.369 degrees ! Estimated noise=808.247 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 (-6.5, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0478347 Jy ! Component: 100 - total flux cleaned = 0.0725039 Jy ! Component: 150 - total flux cleaned = 0.0873796 Jy ! Component: 200 - total flux cleaned = 0.0905551 Jy ! Total flux subtracted in 200 components = 0.0905551 Jy ! Clean residual min=-0.031061 max=0.022292 Jy/beam ! Clean residual mean=-0.007345 rms=0.006304 Jy/beam ! Combined flux in latest and established models = 1.65792 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 50 components and 1.65792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309651Jy sigma=0.001633 ! Fit after self-cal, rms=0.308699Jy sigma=0.001623 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.04 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.00* OV 1.00* ! PT 1.00* SV 1.03 TS 1.03 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.14 HN 1.00* ! KB 1.04 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.06 OV 1.00* ! PT 1.00* SV 1.07 TS 1.01 WZ 1.04 ! ZC 1.02 ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.04 HH 1.00* HN 1.16 ! KB 1.00* KP 1.00* LA 0.92 MK 1.00* ! NL 0.74 NY 1.14 ON 1.00* OV 0.95 ! PT 0.89 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.89 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.99 MK 1.08 ! NL 1.00* NY 1.00* ON 1.00* OV 0.94 ! PT 0.98 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 1.00* HN 1.22 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 1.05 OV 1.00* ! PT 1.00* SV 1.02 TS 1.00* WZ 1.04 ! ZC 1.06 ! ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.10 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.00* OV 1.00* ! PT 1.00* SV 1.02 TS 1.02 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.13 HN 1.00* ! KB 1.07 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.04 ON 1.00 OV 1.00* ! PT 1.00* SV 1.05 TS 1.01 WZ 0.97 ! ZC 1.01 ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.95 HH 1.00* HN 1.15 ! KB 1.00* KP 1.00* LA 0.98 MK 1.00* ! NL 0.79 NY 1.12 ON 1.00* OV 0.99 ! PT 0.91 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.07 MK 1.04 ! NL 1.00* NY 1.00* ON 1.00* OV 0.94 ! PT 0.98 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 1.00* HN 1.18 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.96 OV 1.00* ! PT 1.00* SV 1.02 TS 1.00* WZ 0.98 ! ZC 1.05 ! ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.04 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 1.00* OV 1.00* ! PT 1.00* SV 0.85 TS 0.93 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KB 1.03 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.95 ON 0.95 OV 1.00* ! PT 1.00* SV 0.92 TS 0.92 WZ 1.05 ! ZC 1.00 ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 0.95 HH 1.00* HN 1.13 ! KB 1.00* KP 1.00* LA 0.91 MK 1.00* ! NL 0.81 NY 1.01 ON 1.00* OV 1.02 ! PT 0.94 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.96 MK 1.05 ! NL 1.00* NY 1.00* ON 1.00* OV 0.96 ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 1.00* HN 1.11 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.91 ON 0.96 OV 1.00* ! PT 1.00* SV 0.90 TS 1.00* WZ 0.98 ! ZC 1.04 ! ! ! Correcting IF 4. ! A total of 114 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.87 HN 1.00* ! KB 1.05 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.97 ON 0.94 OV 1.00* ! PT 1.00* SV 1.00* TS 1.03 WZ 1.01 ! ZC 1.06 ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 HH 1.00* HN 1.15 ! KB 1.00* KP 1.00* LA 0.91 MK 1.00* ! NL 0.75 NY 1.01 ON 1.00* OV 0.98 ! PT 0.83 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.88 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.98 MK 0.96 ! NL 1.00* NY 1.00* ON 1.00* OV 0.94 ! PT 0.87 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 1.00* HN 1.09 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.84 ON 0.94 OV 1.00* ! PT 1.00* SV 1.00* TS 1.00* WZ 1.04 ! ZC 1.12 ! ! ! Fit before self-cal, rms=0.308699Jy sigma=0.001623 ! Fit after self-cal, rms=0.292218Jy sigma=0.001319 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.79 mas, bmaj=2.976 mas, bpa=-6.221 degrees ! Estimated noise=844.752 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 = 0.00746139 Jy ! Component: 100 - total flux cleaned = 0.010306 Jy ! Component: 150 - total flux cleaned = 0.0126389 Jy ! Component: 200 - total flux cleaned = 0.0133964 Jy ! Total flux subtracted in 200 components = 0.0133964 Jy ! Clean residual min=-0.012898 max=0.009014 Jy/beam ! Clean residual mean=-0.001490 rms=0.002779 Jy/beam ! Combined flux in latest and established models = 1.67131 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 56 components and 1.67131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291346Jy sigma=0.001314 ! Fit after self-cal, rms=0.291152Jy sigma=0.001313 ! 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=0.291152Jy sigma=0.001313 ! Fit after self-cal, rms=0.290866Jy sigma=0.001312 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.792 mas, bmaj=2.976 mas, bpa=-6.162 degrees ! Estimated noise=846.283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00585647 Jy ! Component: 100 - total flux cleaned = 0.00782221 Jy ! Component: 150 - total flux cleaned = 0.00887109 Jy ! Component: 200 - total flux cleaned = 0.00913301 Jy ! Total flux subtracted in 200 components = 0.00913301 Jy ! Clean residual min=-0.011473 max=0.009271 Jy/beam ! Clean residual mean=-0.000873 rms=0.002569 Jy/beam ! Combined flux in latest and established models = 1.68045 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 65 components and 1.68045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290507Jy sigma=0.001310 ! Fit after self-cal, rms=0.290437Jy sigma=0.001310 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 = 0.00192791 Jy ! Component: 100 - total flux cleaned = 0.00239547 Jy ! Component: 150 - total flux cleaned = 0.00249188 Jy ! Component: 200 - total flux cleaned = 0.00266496 Jy ! Total flux subtracted in 200 components = 0.00266496 Jy ! Clean residual min=-0.011337 max=0.009202 Jy/beam ! Clean residual mean=-0.001100 rms=0.002497 Jy/beam ! Combined flux in latest and established models = 1.68311 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 1.68311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290317Jy sigma=0.001309 ! Fit after self-cal, rms=0.290302Jy sigma=0.001309 ! 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=0.290302Jy sigma=0.001309 ! Fit after self-cal, rms=0.289870Jy sigma=0.001308 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.794 mas, bmaj=2.975 mas, bpa=-6.129 degrees ! Estimated noise=847.291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00449606 Jy ! Component: 100 - total flux cleaned = 0.00572902 Jy ! Component: 150 - total flux cleaned = 0.00649385 Jy ! Component: 200 - total flux cleaned = 0.00674721 Jy ! Total flux subtracted in 200 components = 0.00674721 Jy ! Clean residual min=-0.010335 max=0.009252 Jy/beam ! Clean residual mean=-0.000558 rms=0.002385 Jy/beam ! Combined flux in latest and established models = 1.68986 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 83 components and 1.68986 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289705Jy sigma=0.001307 ! Fit after self-cal, rms=0.289650Jy sigma=0.001307 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 = 0.00154384 Jy ! Component: 100 - total flux cleaned = 0.00188416 Jy ! Component: 150 - total flux cleaned = 0.00195894 Jy ! Component: 200 - total flux cleaned = 0.00202114 Jy ! Total flux subtracted in 200 components = 0.00202114 Jy ! Clean residual min=-0.010272 max=0.009120 Jy/beam ! Clean residual mean=-0.000730 rms=0.002342 Jy/beam ! Combined flux in latest and established models = 1.69188 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 90 components and 1.69188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289584Jy sigma=0.001307 ! Fit after self-cal, rms=0.289579Jy sigma=0.001306 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.289579Jy sigma=0.001306 ! Fit after self-cal, rms=0.289182Jy sigma=0.001306 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.366 mas, bmaj=10.83 mas, bpa=-69.65 degrees ! Estimated noise=1298.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00506784 Jy ! Component: 100 - total flux cleaned = 0.00522503 Jy ! Component: 150 - total flux cleaned = 0.00518948 Jy ! Component: 200 - total flux cleaned = 0.00510186 Jy ! Total flux subtracted in 200 components = 0.00510186 Jy ! Clean residual min=-0.009186 max=0.006373 Jy/beam ! Clean residual mean=-0.001390 rms=0.002308 Jy/beam ! Combined flux in latest and established models = 1.69698 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 93 components and 1.69698 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289163Jy sigma=0.001306 ! Fit after self-cal, rms=0.289140Jy sigma=0.001306 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 = 0.000630429 Jy ! Component: 100 - total flux cleaned = 0.000579533 Jy ! Component: 150 - total flux cleaned = 0.000543926 Jy ! Component: 200 - total flux cleaned = 0.000475937 Jy ! Total flux subtracted in 200 components = 0.000475937 Jy ! Clean residual min=-0.009419 max=0.006073 Jy/beam ! Clean residual mean=-0.001533 rms=0.002316 Jy/beam ! Combined flux in latest and established models = 1.69746 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 103 components and 1.69746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289143Jy sigma=0.001307 ! Fit after self-cal, rms=0.289143Jy sigma=0.001306 ! 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=1.795 mas, bmaj=2.973 mas, bpa=-6.112 degrees ! Estimated noise=847.961 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.795 x 2.973 at -6.112 degrees (North through East) ! Clean map min=-0.0089467 max=0.94311 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=0.289143Jy sigma=0.001306 ! Fit after self-cal, rms=0.283495Jy sigma=0.001168 ! Inverting map and beam ! Estimated beam: bmin=1.793 mas, bmaj=2.972 mas, bpa=-6.136 degrees ! Estimated noise=846.713 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207263 Jy ! Component: 100 - total flux cleaned = 0.00241678 Jy ! Component: 150 - total flux cleaned = 0.00258724 Jy ! Component: 200 - total flux cleaned = 0.00265814 Jy ! Total flux subtracted in 200 components = 0.00265814 Jy ! Clean residual min=-0.009101 max=0.008851 Jy/beam ! Clean residual mean=-0.000309 rms=0.002137 Jy/beam ! Combined flux in latest and established models = 1.70012 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 110 components and 1.70012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.283381Jy sigma=0.001167 ! Fit after self-cal, rms=0.283352Jy sigma=0.001167 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0008371 Jy ! Component: 100 - total flux cleaned = 0.00083856 Jy ! Component: 150 - total flux cleaned = 0.000902245 Jy ! Component: 200 - total flux cleaned = 0.000843413 Jy ! Total flux subtracted in 200 components = 0.000843413 Jy ! Clean residual min=-0.009067 max=0.008587 Jy/beam ! Clean residual mean=-0.000380 rms=0.002092 Jy/beam ! Combined flux in latest and established models = 1.70096 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 114 components and 1.70096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.283313Jy sigma=0.001167 ! Fit after self-cal, rms=0.283312Jy sigma=0.001167 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.283312Jy sigma=0.001167 ! Fit after self-cal, rms=0.282740Jy sigma=0.001166 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=2.156 mas, bmaj=2.97 mas, bpa=-6.903 degrees ! Estimated noise=1857.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.875438 Jy ! Component: 100 - total flux cleaned = 1.21248 Jy ! Component: 150 - total flux cleaned = 1.38574 Jy ! Component: 200 - total flux cleaned = 1.48559 Jy ! Total flux subtracted in 200 components = 1.48559 Jy ! Clean residual min=-0.022224 max=0.051590 Jy/beam ! Clean residual mean=0.001113 rms=0.007824 Jy/beam ! Combined flux in latest and established models = 1.48559 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 26 model components to the UV plane model. ! The established model now contains 26 components and 1.48559 Jy ! Inverting map and beam ! Estimated beam: bmin=1.793 mas, bmaj=2.968 mas, bpa=-6.164 degrees ! Estimated noise=847.309 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 (2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0645162 Jy ! Component: 100 - total flux cleaned = 0.106797 Jy ! Component: 150 - total flux cleaned = 0.136501 Jy ! Component: 200 - total flux cleaned = 0.158048 Jy ! Total flux subtracted in 200 components = 0.158048 Jy ! Clean residual min=-0.005718 max=0.015850 Jy/beam ! Clean residual mean=0.004787 rms=0.002512 Jy/beam ! Combined flux in latest and established models = 1.64364 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 66 components and 1.64364 Jy ! Inverting map ! Added new window around map position (26.5, -18.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0168914 Jy ! Component: 100 - total flux cleaned = 0.0290931 Jy ! Component: 150 - total flux cleaned = 0.0383308 Jy ! Component: 200 - total flux cleaned = 0.0454549 Jy ! Total flux subtracted in 200 components = 0.0454549 Jy ! Clean residual min=-0.007153 max=0.008028 Jy/beam ! Clean residual mean=0.000973 rms=0.001673 Jy/beam ! Combined flux in latest and established models = 1.68909 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 90 components and 1.68909 Jy ! Inverting map ! Added new window around map position (-29.5, -18.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00632358 Jy ! Component: 100 - total flux cleaned = 0.00870855 Jy ! Component: 150 - total flux cleaned = 0.0105534 Jy ! Component: 200 - total flux cleaned = 0.0121609 Jy ! Total flux subtracted in 200 components = 0.0121609 Jy ! Clean residual min=-0.005912 max=0.005030 Jy/beam ! Clean residual mean=-0.000037 rms=0.001305 Jy/beam ! Combined flux in latest and established models = 1.70125 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 112 components and 1.70125 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.353 mas, bmaj=10.81 mas, bpa=-69.37 degrees ! Estimated noise=1301.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00487285 Jy ! Component: 100 - total flux cleaned = 0.00515077 Jy ! Component: 150 - total flux cleaned = 0.00503289 Jy ! Component: 200 - total flux cleaned = 0.0049347 Jy ! Total flux subtracted in 200 components = 0.0049347 Jy ! Clean residual min=-0.008500 max=0.005074 Jy/beam ! Clean residual mean=-0.001593 rms=0.001979 Jy/beam ! Combined flux in latest and established models = 1.70619 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 = -0.000180785 Jy ! Component: 100 - total flux cleaned = -0.000343855 Jy ! Component: 150 - total flux cleaned = -0.000495696 Jy ! Component: 200 - total flux cleaned = -0.000636031 Jy ! Total flux subtracted in 200 components = -0.000636031 Jy ! Clean residual min=-0.008028 max=0.005326 Jy/beam ! Clean residual mean=-0.001398 rms=0.001942 Jy/beam ! Combined flux in latest and established models = 1.70555 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 133 components and 1.70555 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.793 mas, bmaj=2.968 mas, bpa=-6.164 degrees ! Estimated noise=847.309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000330342 Jy ! Component: 100 - total flux cleaned = -0.000100856 Jy ! Component: 150 - total flux cleaned = 1.983e-06 Jy ! Component: 200 - total flux cleaned = 0.000174585 Jy ! Total flux subtracted in 200 components = 0.000174585 Jy ! Clean residual min=-0.005466 max=0.004236 Jy/beam ! Clean residual mean=-0.000410 rms=0.001185 Jy/beam ! Combined flux in latest and established models = 1.70572 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 153 components and 1.70572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282294Jy sigma=0.001161 ! Fit after self-cal, rms=0.282301Jy sigma=0.001160 wmodel J1925+2106_S_2007_12_05_pus_map.mod ! Writing 153 model components to file: J1925+2106_S_2007_12_05_pus_map.mod wobs J1925+2106_S_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1925+2106_S_2007_12_05_pus_uvs.fits wwins J1925+2106_S_2007_12_05_pus_map.win ! wwins: Wrote 5 windows to J1925+2106_S_2007_12_05_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 = -0.0022828 Jy ! Component: 100 - total flux cleaned = -0.00370413 Jy ! Component: 150 - total flux cleaned = -0.00442189 Jy ! Component: 200 - total flux cleaned = -0.00469117 Jy ! Component: 250 - total flux cleaned = -0.00488375 Jy ! Component: 300 - total flux cleaned = -0.00488351 Jy ! Component: 350 - total flux cleaned = -0.00488331 Jy ! Component: 400 - total flux cleaned = -0.00488358 Jy ! Component: 450 - total flux cleaned = -0.00493986 Jy ! Component: 500 - total flux cleaned = -0.00493968 Jy ! Component: 550 - total flux cleaned = -0.00488672 Jy ! Component: 600 - total flux cleaned = -0.00488735 Jy ! Component: 650 - total flux cleaned = -0.00488749 Jy ! Component: 700 - total flux cleaned = -0.00488761 Jy ! Component: 750 - total flux cleaned = -0.00488736 Jy ! Component: 800 - total flux cleaned = -0.00483914 Jy ! Component: 850 - total flux cleaned = -0.00483909 Jy ! Component: 900 - total flux cleaned = -0.00483891 Jy ! Component: 950 - total flux cleaned = -0.00483893 Jy ! Component: 1000 - total flux cleaned = -0.00483863 Jy ! Component: 1050 - total flux cleaned = -0.00479485 Jy ! Component: 1100 - total flux cleaned = -0.00479527 Jy ! Component: 1150 - total flux cleaned = -0.00479544 Jy ! Component: 1200 - total flux cleaned = -0.00479548 Jy ! Component: 1250 - total flux cleaned = -0.00479539 Jy ! Component: 1300 - total flux cleaned = -0.00479532 Jy ! Component: 1350 - total flux cleaned = -0.00479512 Jy ! Component: 1400 - total flux cleaned = -0.00475569 Jy ! Component: 1450 - total flux cleaned = -0.00479434 Jy ! Component: 1500 - total flux cleaned = -0.00475602 Jy ! Component: 1550 - total flux cleaned = -0.00475601 Jy ! Component: 1600 - total flux cleaned = -0.00475617 Jy ! Component: 1650 - total flux cleaned = -0.00479299 Jy ! Component: 1700 - total flux cleaned = -0.00479291 Jy ! Component: 1750 - total flux cleaned = -0.00482883 Jy ! Component: 1800 - total flux cleaned = -0.00482873 Jy ! Component: 1850 - total flux cleaned = -0.00486427 Jy ! Component: 1900 - total flux cleaned = -0.00486426 Jy ! Component: 1950 - total flux cleaned = -0.00489905 Jy ! Component: 2000 - total flux cleaned = -0.00489915 Jy ! Total flux subtracted in 2048 components = -0.00493339 Jy ! Clean residual min=-0.001722 max=0.002196 Jy/beam ! Clean residual mean=0.000078 rms=0.000620 Jy/beam ! Combined flux in latest and established models = 1.70079 Jy keep ! Adding 121 model components to the UV plane model. ! The established model now contains 274 components and 1.70079 Jy wmap "J1925+2106_S_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.793 x 2.968 at -6.164 degrees (North through East) ! Clean map min=-0.0043102 max=0.94016 Jy/beam ! Writing clean map to FITS file: J1925+2106_S_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.940157 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000593495 device "J1925+2106_S_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1925+2106_S_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.189381 0.189381 0.378763 0.757526 1.51505 3.0301 6.06021 12.1204 24.2408 48.4816 96.9633 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.94 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.793 x 2.968 at -6.164 degrees (North through East) ! Clean map min=-0.0043102 max=0.94016 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1925+2106_S_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1925+2106_S_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1925+2106_S_2007_12_05_pus_uvs.log closed on Sat Sep 11 23:23:28 2010