! Started logfile: J1801+4404_S_2007_12_05_pus_uvs.log on Sat Sep 11 23:22:49 2010 obs J1801+4404_S_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1801+4404_S_2007_12_05_pus_uva.fits ! AN table 1: 561 integrations on 136 of 136 possible baselines. ! AN table 2: 151 integrations on 136 of 136 possible baselines. ! AN table 3: 14 integrations on 136 of 136 possible baselines. ! AN table 4: 45 integrations on 136 of 136 possible baselines. ! AN table 5: 3 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0759044 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1801+4404 ! ! 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 31960 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 6877 telescope corrections were flagged in sub-array 1. ! A total of 2281 telescope corrections were flagged in sub-array 2. ! A total of 167 telescope corrections were flagged in sub-array 3. ! A total of 590 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 6877 telescope corrections were flagged in sub-array 1. ! A total of 2281 telescope corrections were flagged in sub-array 2. ! A total of 167 telescope corrections were flagged in sub-array 3. ! A total of 590 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 6877 telescope corrections were flagged in sub-array 1. ! A total of 2281 telescope corrections were flagged in sub-array 2. ! A total of 167 telescope corrections were flagged in sub-array 3. ! A total of 590 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 7102 telescope corrections were flagged in sub-array 1. ! A total of 2350 telescope corrections were flagged in sub-array 2. ! A total of 167 telescope corrections were flagged in sub-array 3. ! A total of 590 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.686794Jy sigma=0.004961 ! Fit after self-cal, rms=0.543676Jy sigma=0.003545 ! 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=1.882 mas, bmaj=2.434 mas, bpa=3.711 degrees ! Estimated noise=1174.49 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 = 0.427933 Jy ! Component: 100 - total flux cleaned = 0.528213 Jy ! Total flux subtracted in 100 components = 0.528213 Jy ! Clean residual min=-0.014655 max=0.038838 Jy/beam ! Clean residual mean=0.000289 rms=0.004312 Jy/beam ! Combined flux in latest and established models = 0.528213 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.528213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321406Jy sigma=0.001403 ! Fit after self-cal, rms=0.321390Jy sigma=0.001403 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0427113 Jy ! Component: 100 - total flux cleaned = 0.0669725 Jy ! Total flux subtracted in 100 components = 0.0669725 Jy ! Clean residual min=-0.013136 max=0.014583 Jy/beam ! Clean residual mean=0.000034 rms=0.003253 Jy/beam ! Combined flux in latest and established models = 0.595185 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 0.595185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314456Jy sigma=0.001343 ! Fit after self-cal, rms=0.314320Jy sigma=0.001343 ! 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=2.141 mas, bmaj=2.545 mas, bpa=3.136 degrees ! Estimated noise=649.836 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 = 0.0166247 Jy ! Component: 100 - total flux cleaned = 0.0236183 Jy ! Component: 150 - total flux cleaned = 0.0269583 Jy ! Component: 200 - total flux cleaned = 0.0274 Jy ! Total flux subtracted in 200 components = 0.0274 Jy ! Clean residual min=-0.013512 max=0.009302 Jy/beam ! Clean residual mean=-0.001288 rms=0.002627 Jy/beam ! Combined flux in latest and established models = 0.622585 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 24 components and 0.622585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313146Jy sigma=0.001336 ! Fit after self-cal, rms=0.313025Jy sigma=0.001336 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 282 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00* HH 1.11 HN 1.05 ! KB 0.99 KP 1.00* LA 1.00* MK 1.00* ! NL 0.98 NY 0.99 ON 1.00 OV 1.00* ! PT 1.00* SV 1.08 TS 1.08 WZ 0.99 ! ZC 0.99 ! ! A total of 141 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.00* HH 1.00* HN 1.09 ! KB 0.94 KP 1.00* LA 1.01 MK 0.99 ! NL 0.86 NY 1.00* ON 1.00* OV 0.92 ! PT 0.97 SV 1.00* TS 0.94 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.16 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00 MK 0.96 ! NL 1.00* NY 1.00* ON 1.00* OV 0.94 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 1.18 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.10 MK 1.00* ! NL 1.03 NY 1.00* ON 1.00* OV 0.92 ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Correcting IF 2. ! A total of 282 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00* HH 1.13 HN 1.02 ! KB 1.05 KP 1.00* LA 1.00* MK 1.00* ! NL 0.99 NY 0.99 ON 0.92 OV 1.00* ! PT 1.00* SV 1.07 TS 1.09 WZ 0.94 ! ZC 1.00 ! ! A total of 141 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.00* HH 1.00* HN 1.09 ! KB 1.04 KP 1.00* LA 1.08 MK 0.95 ! NL 0.88 NY 1.00* ON 1.00* OV 0.98 ! PT 0.98 SV 1.00* TS 0.91 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.01 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.09 MK 0.97 ! NL 1.00* NY 1.00* ON 1.00* OV 0.95 ! PT 1.09 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.09 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.16 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 0.96 ! PT 1.10 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Correcting IF 3. ! A total of 282 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00* HH 0.94 HN 1.02 ! KB 1.01 KP 1.00* LA 1.00* MK 1.00* ! NL 1.01 NY 0.91 ON 0.94 OV 1.00* ! PT 1.00* SV 0.94 TS 0.99 WZ 0.99 ! ZC 0.99 ! ! A total of 141 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.00* HH 1.00* HN 1.03 ! KB 1.03 KP 1.00* LA 0.99 MK 0.97 ! NL 0.94 NY 1.00* ON 1.00* OV 0.95 ! PT 1.00 SV 1.00* TS 0.84 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.12 FD 0.99 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00 MK 1.01 ! NL 1.00* NY 1.00* ON 1.00* OV 0.96 ! PT 1.09 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.05 FD 1.07 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.01 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 0.99 ! PT 1.09 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Correcting IF 4. ! A total of 282 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 1.04 ! KB 0.98 KP 1.00* LA 1.00* MK 1.00* ! NL 0.94 NY 0.90 ON 0.92 OV 1.00* ! PT 1.00* SV 1.00* TS 1.15 WZ 0.96 ! ZC 1.04 ! ! A total of 72 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.00* HH 1.00* HN 0.99 ! KB 1.00 KP 1.00* LA 0.98 MK 0.91 ! NL 0.85 NY 1.00* ON 1.00* OV 0.96 ! PT 0.88 SV 1.00* TS 0.96 WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.95 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00 MK 0.87 ! NL 1.00* NY 1.00* ON 1.00* OV 0.95 ! PT 0.95 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.90 FD 0.95 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.99 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 0.98 ! PT 0.98 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Fit before self-cal, rms=0.313025Jy sigma=0.001336 ! Fit after self-cal, rms=0.303540Jy sigma=0.001283 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=2.505 mas, bpa=1.659 degrees ! Estimated noise=691.72 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 = -0.00273189 Jy ! Component: 100 - total flux cleaned = -0.00337671 Jy ! Component: 150 - total flux cleaned = -0.00389028 Jy ! Component: 200 - total flux cleaned = -0.00414948 Jy ! Total flux subtracted in 200 components = -0.00414948 Jy ! Clean residual min=-0.008164 max=0.008311 Jy/beam ! Clean residual mean=0.000006 rms=0.001759 Jy/beam ! Combined flux in latest and established models = 0.618436 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 30 components and 0.618436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303496Jy sigma=0.001282 ! Fit after self-cal, rms=0.303344Jy sigma=0.001282 ! 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=0.303344Jy sigma=0.001282 ! Fit after self-cal, rms=0.302187Jy sigma=0.001262 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.158 mas, bmaj=2.51 mas, bpa=3.243 degrees ! Estimated noise=698.041 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000218636 Jy ! Component: 100 - total flux cleaned = -0.000523949 Jy ! Component: 150 - total flux cleaned = -0.000632772 Jy ! Component: 200 - total flux cleaned = -0.000464458 Jy ! Total flux subtracted in 200 components = -0.000464458 Jy ! Clean residual min=-0.005097 max=0.009333 Jy/beam ! Clean residual mean=0.000901 rms=0.001371 Jy/beam ! Combined flux in latest and established models = 0.617971 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 34 components and 0.617971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302030Jy sigma=0.001260 ! Fit after self-cal, rms=0.301996Jy sigma=0.001260 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 (-1.5, -5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00825571 Jy ! Component: 100 - total flux cleaned = 0.0107411 Jy ! Component: 150 - total flux cleaned = 0.0112453 Jy ! Component: 200 - total flux cleaned = 0.0114459 Jy ! Total flux subtracted in 200 components = 0.0114459 Jy ! Clean residual min=-0.004714 max=0.005799 Jy/beam ! Clean residual mean=0.000382 rms=0.001217 Jy/beam ! Combined flux in latest and established models = 0.629417 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.629417 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301739Jy sigma=0.001258 ! Fit after self-cal, rms=0.301764Jy sigma=0.001257 ! Inverting map ! Added new window around map position (-13.5, -28). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.005947 Jy ! Component: 100 - total flux cleaned = 0.00949568 Jy ! Component: 150 - total flux cleaned = 0.0101592 Jy ! Component: 200 - total flux cleaned = 0.0107284 Jy ! Total flux subtracted in 200 components = 0.0107284 Jy ! Clean residual min=-0.004662 max=0.004552 Jy/beam ! Clean residual mean=-0.000074 rms=0.001116 Jy/beam ! Combined flux in latest and established models = 0.640145 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 65 components and 0.640145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301645Jy sigma=0.001256 ! Fit after self-cal, rms=0.301651Jy sigma=0.001256 ! 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=0.301651Jy sigma=0.001256 ! Fit after self-cal, rms=0.302636Jy sigma=0.001243 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.161 mas, bmaj=2.516 mas, bpa=2.683 degrees ! Estimated noise=698.278 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178958 Jy ! Component: 100 - total flux cleaned = 0.00211937 Jy ! Component: 150 - total flux cleaned = 0.00249438 Jy ! Component: 200 - total flux cleaned = 0.00290099 Jy ! Total flux subtracted in 200 components = 0.00290099 Jy ! Clean residual min=-0.004311 max=0.003594 Jy/beam ! Clean residual mean=-0.000316 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.643046 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 81 components and 0.643046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302571Jy sigma=0.001242 ! Fit after self-cal, rms=0.302594Jy sigma=0.001242 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 = 0.000746664 Jy ! Component: 100 - total flux cleaned = 0.00108903 Jy ! Component: 150 - total flux cleaned = 0.00151086 Jy ! Component: 200 - total flux cleaned = 0.00173206 Jy ! Total flux subtracted in 200 components = 0.00173206 Jy ! Clean residual min=-0.004226 max=0.003341 Jy/beam ! Clean residual mean=-0.000392 rms=0.000877 Jy/beam ! Combined flux in latest and established models = 0.644778 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 88 components and 0.644778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302568Jy sigma=0.001242 ! Fit after self-cal, rms=0.302569Jy sigma=0.001242 ! 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=0.302569Jy sigma=0.001242 ! Fit after self-cal, rms=0.302390Jy sigma=0.001241 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.045 mas, bmaj=8.896 mas, bpa=83.64 degrees ! Estimated noise=1083.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129943 Jy ! Component: 100 - total flux cleaned = 0.00192567 Jy ! Component: 150 - total flux cleaned = 0.00242018 Jy ! Component: 200 - total flux cleaned = 0.00273903 Jy ! Total flux subtracted in 200 components = 0.00273903 Jy ! Clean residual min=-0.006219 max=0.003726 Jy/beam ! Clean residual mean=-0.001281 rms=0.001515 Jy/beam ! Combined flux in latest and established models = 0.647517 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 103 components and 0.647517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302394Jy sigma=0.001241 ! Fit after self-cal, rms=0.302392Jy sigma=0.001241 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 = 0.000290851 Jy ! Component: 100 - total flux cleaned = 0.000482673 Jy ! Component: 150 - total flux cleaned = 0.000582013 Jy ! Component: 200 - total flux cleaned = 0.000642228 Jy ! Total flux subtracted in 200 components = 0.000642228 Jy ! Clean residual min=-0.006349 max=0.003510 Jy/beam ! Clean residual mean=-0.001392 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 0.648159 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 109 components and 0.64816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302400Jy sigma=0.001241 ! Fit after self-cal, rms=0.302400Jy sigma=0.001241 ! 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=2.164 mas, bmaj=2.518 mas, bpa=2.757 degrees ! Estimated noise=698.244 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.164 x 2.518 at 2.757 degrees (North through East) ! Clean map min=-0.003548 max=0.54884 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=0.302400Jy sigma=0.001241 ! Fit after self-cal, rms=0.852092Jy sigma=0.001084 ! Inverting map and beam ! Estimated beam: bmin=2.165 mas, bmaj=2.519 mas, bpa=2.825 degrees ! Estimated noise=698.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000560191 Jy ! Component: 100 - total flux cleaned = 0.000605975 Jy ! Component: 150 - total flux cleaned = 0.000749282 Jy ! Component: 200 - total flux cleaned = 0.0008371 Jy ! Total flux subtracted in 200 components = 0.0008371 Jy ! Clean residual min=-0.003497 max=0.003228 Jy/beam ! Clean residual mean=-0.000246 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.648997 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 119 components and 0.648997 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.852078Jy sigma=0.001084 ! Fit after self-cal, rms=0.852094Jy sigma=0.001084 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000191571 Jy ! Component: 100 - total flux cleaned = 0.00027348 Jy ! Component: 150 - total flux cleaned = 0.000349707 Jy ! Component: 200 - total flux cleaned = 0.000424067 Jy ! Total flux subtracted in 200 components = 0.000424067 Jy ! Clean residual min=-0.003537 max=0.003165 Jy/beam ! Clean residual mean=-0.000265 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.649421 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 122 components and 0.64942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.852090Jy sigma=0.001084 ! Fit after self-cal, rms=0.852085Jy sigma=0.001084 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.852085Jy sigma=0.001084 ! Fit after self-cal, rms=1.441985Jy sigma=0.001084 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=1.952 mas, bmaj=2.472 mas, bpa=1.033 degrees ! Estimated noise=1156.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.431887 Jy ! Component: 100 - total flux cleaned = 0.531138 Jy ! Component: 150 - total flux cleaned = 0.56963 Jy ! Component: 200 - total flux cleaned = 0.589003 Jy ! Total flux subtracted in 200 components = 0.589003 Jy ! Clean residual min=-0.005982 max=0.009754 Jy/beam ! Clean residual mean=0.000168 rms=0.001703 Jy/beam ! Combined flux in latest and established models = 0.589003 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.589003 Jy ! Inverting map and beam ! Estimated beam: bmin=2.166 mas, bmaj=2.521 mas, bpa=2.858 degrees ! Estimated noise=699.123 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 = 0.0147724 Jy ! Component: 100 - total flux cleaned = 0.0246842 Jy ! Component: 150 - total flux cleaned = 0.0323443 Jy ! Component: 200 - total flux cleaned = 0.0384583 Jy ! Total flux subtracted in 200 components = 0.0384583 Jy ! Clean residual min=-0.003369 max=0.005132 Jy/beam ! Clean residual mean=0.000746 rms=0.000938 Jy/beam ! Combined flux in latest and established models = 0.627461 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 46 components and 0.627461 Jy ! Inverting map ! Added new window around map position (-6, -26.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00544378 Jy ! Component: 100 - total flux cleaned = 0.00950597 Jy ! Component: 150 - total flux cleaned = 0.0118246 Jy ! Component: 200 - total flux cleaned = 0.0138357 Jy ! Total flux subtracted in 200 components = 0.0138357 Jy ! Clean residual min=-0.003394 max=0.003139 Jy/beam ! Clean residual mean=0.000144 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.641297 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 61 components and 0.641297 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=8.03 mas, bmaj=8.894 mas, bpa=83.58 degrees ! Estimated noise=1082.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00496794 Jy ! Component: 100 - total flux cleaned = 0.0076403 Jy ! Component: 150 - total flux cleaned = 0.00895362 Jy ! Component: 200 - total flux cleaned = 0.0092041 Jy ! Total flux subtracted in 200 components = 0.0092041 Jy ! Clean residual min=-0.005702 max=0.003759 Jy/beam ! Clean residual mean=-0.000988 rms=0.001395 Jy/beam ! Combined flux in latest and established models = 0.650501 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 = 0.000133592 Jy ! Component: 100 - total flux cleaned = 0.000215978 Jy ! Component: 150 - total flux cleaned = 0.000329849 Jy ! Component: 200 - total flux cleaned = 0.000431866 Jy ! Total flux subtracted in 200 components = 0.000431866 Jy ! Clean residual min=-0.005711 max=0.003624 Jy/beam ! Clean residual mean=-0.001058 rms=0.001376 Jy/beam ! Combined flux in latest and established models = 0.650933 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 82 components and 0.650933 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.166 mas, bmaj=2.521 mas, bpa=2.858 degrees ! Estimated noise=699.123 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000103712 Jy ! Component: 100 - total flux cleaned = -3.03563e-05 Jy ! Component: 150 - total flux cleaned = -9.14207e-05 Jy ! Component: 200 - total flux cleaned = -3.43823e-05 Jy ! Total flux subtracted in 200 components = -3.43823e-05 Jy ! Clean residual min=-0.003611 max=0.002717 Jy/beam ! Clean residual mean=-0.000270 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 0.650898 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 104 components and 0.650899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.441956Jy sigma=0.001083 ! Fit after self-cal, rms=1.441980Jy sigma=0.001083 wmodel J1801+4404_S_2007_12_05_pus_map.mod ! Writing 104 model components to file: J1801+4404_S_2007_12_05_pus_map.mod wobs J1801+4404_S_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1801+4404_S_2007_12_05_pus_uvs.fits wwins J1801+4404_S_2007_12_05_pus_map.win ! wwins: Wrote 4 windows to J1801+4404_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 = -0.00132668 Jy ! Component: 100 - total flux cleaned = -0.00218635 Jy ! Component: 150 - total flux cleaned = -0.00289467 Jy ! Component: 200 - total flux cleaned = -0.00356876 Jy ! Component: 250 - total flux cleaned = -0.00403142 Jy ! Component: 300 - total flux cleaned = -0.00447585 Jy ! Component: 350 - total flux cleaned = -0.00469147 Jy ! Component: 400 - total flux cleaned = -0.00486022 Jy ! Component: 450 - total flux cleaned = -0.00498342 Jy ! Component: 500 - total flux cleaned = -0.00498307 Jy ! Component: 550 - total flux cleaned = -0.00506242 Jy ! Component: 600 - total flux cleaned = -0.00514016 Jy ! Component: 650 - total flux cleaned = -0.00513951 Jy ! Component: 700 - total flux cleaned = -0.00513951 Jy ! Component: 750 - total flux cleaned = -0.00521435 Jy ! Component: 800 - total flux cleaned = -0.00521447 Jy ! Component: 850 - total flux cleaned = -0.00521471 Jy ! Component: 900 - total flux cleaned = -0.00525096 Jy ! Component: 950 - total flux cleaned = -0.00525124 Jy ! Component: 1000 - total flux cleaned = -0.0052865 Jy ! Component: 1050 - total flux cleaned = -0.00528634 Jy ! Component: 1100 - total flux cleaned = -0.00528638 Jy ! Component: 1150 - total flux cleaned = -0.00532038 Jy ! Component: 1200 - total flux cleaned = -0.00535372 Jy ! Component: 1250 - total flux cleaned = -0.00532047 Jy ! Component: 1300 - total flux cleaned = -0.00535333 Jy ! Component: 1350 - total flux cleaned = -0.00535327 Jy ! Component: 1400 - total flux cleaned = -0.00538543 Jy ! Component: 1450 - total flux cleaned = -0.00538528 Jy ! Component: 1500 - total flux cleaned = -0.00535369 Jy ! Component: 1550 - total flux cleaned = -0.00535381 Jy ! Component: 1600 - total flux cleaned = -0.0053848 Jy ! Component: 1650 - total flux cleaned = -0.00538471 Jy ! Component: 1700 - total flux cleaned = -0.00535415 Jy ! Component: 1750 - total flux cleaned = -0.00535422 Jy ! Component: 1800 - total flux cleaned = -0.00535434 Jy ! Component: 1850 - total flux cleaned = -0.00538417 Jy ! Component: 1900 - total flux cleaned = -0.00535456 Jy ! Component: 1950 - total flux cleaned = -0.00535458 Jy ! Component: 2000 - total flux cleaned = -0.00535462 Jy ! Total flux subtracted in 2048 components = -0.00538353 Jy ! Clean residual min=-0.001623 max=0.001626 Jy/beam ! Clean residual mean=-0.000030 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 0.645515 Jy keep ! Adding 172 model components to the UV plane model. ! The established model now contains 276 components and 0.645515 Jy wmap "J1801+4404_S_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.166 x 2.521 at 2.858 degrees (North through East) ! Clean map min=-0.0029277 max=0.551 Jy/beam ! Writing clean map to FITS file: J1801+4404_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 0.550997 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000527096 device "J1801+4404_S_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1801+4404_S_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.286986 0.286986 0.573973 1.14795 2.29589 4.59178 9.18356 18.3671 36.7343 73.4685 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.55 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.166 x 2.521 at 2.858 degrees (North through East) ! Clean map min=-0.0029277 max=0.551 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1801+4404_S_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1801+4404_S_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1801+4404_S_2007_12_05_pus_uvs.log closed on Sat Sep 11 23:23:03 2010