! Started logfile: J1751+0939_S_2001_03_12_pus_uvs.log on Wed Jan 2 18:59:17 2013 obs J1751+0939_S_2001_03_12_pus_uva.fits ! Reading UV FITS file: J1751+0939_S_2001_03_12_pus_uva.fits ! AN table 1: 90 integrations on 136 of 136 possible baselines. ! AN table 2: 31 integrations on 136 of 136 possible baselines. ! AN table 3: 18 integrations on 136 of 136 possible baselines. ! AN table 4: 98 integrations on 136 of 136 possible baselines. ! AN table 5: 112 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0870133 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1751+0939 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1899 lines of history. ! ! Reading 16520 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 ![@muppet J1751+0939_S_2001_03_12_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 0.500x0.500 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 1261 telescope corrections were flagged in sub-array 1. ! A total of 308 telescope corrections were flagged in sub-array 2. ! A total of 155 telescope corrections were flagged in sub-array 3. ! A total of 1375 telescope corrections were flagged in sub-array 4. ! A total of 1480 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 1452 telescope corrections were flagged in sub-array 1. ! A total of 318 telescope corrections were flagged in sub-array 2. ! A total of 158 telescope corrections were flagged in sub-array 3. ! A total of 1666 telescope corrections were flagged in sub-array 4. ! A total of 1636 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 1224 telescope corrections were flagged in sub-array 1. ! A total of 287 telescope corrections were flagged in sub-array 2. ! A total of 149 telescope corrections were flagged in sub-array 3. ! A total of 1594 telescope corrections were flagged in sub-array 4. ! A total of 1498 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 1452 telescope corrections were flagged in sub-array 1. ! A total of 318 telescope corrections were flagged in sub-array 2. ! A total of 158 telescope corrections were flagged in sub-array 3. ! A total of 1666 telescope corrections were flagged in sub-array 4. ! A total of 1657 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=1.609255Jy sigma=0.012751 ! Fit after self-cal, rms=1.003987Jy sigma=0.007746 ! 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=1.899 mas, bmaj=4.295 mas, bpa=0.2552 degrees ! Estimated noise=1289.29 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 = 1.36149 Jy ! Component: 100 - total flux cleaned = 1.67403 Jy ! Total flux subtracted in 100 components = 1.67403 Jy ! Clean residual min=-0.083669 max=0.118576 Jy/beam ! Clean residual mean=0.000571 rms=0.021325 Jy/beam ! Combined flux in latest and established models = 1.67403 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.67403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.584470Jy sigma=0.004137 ! Fit after self-cal, rms=0.584394Jy sigma=0.004137 ! 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=2.303 mas, bmaj=6.096 mas, bpa=-1.628 degrees ! Estimated noise=813.729 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 = 0.160197 Jy ! Component: 100 - total flux cleaned = 0.230061 Jy ! Component: 150 - total flux cleaned = 0.264684 Jy ! Component: 200 - total flux cleaned = 0.277614 Jy ! Total flux subtracted in 200 components = 0.277614 Jy ! Clean residual min=-0.044511 max=0.066851 Jy/beam ! Clean residual mean=0.000572 rms=0.012821 Jy/beam ! Combined flux in latest and established models = 1.95164 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 1.95164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.536101Jy sigma=0.003739 ! Fit after self-cal, rms=0.535799Jy sigma=0.003737 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MA 2.81 ! MC 1.15 MK 0.91 NL 1.00* ON 0.89 ! OV 1.08 PT 1.00* SC 1.00* TS 1.01 ! WZ 0.73 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 1.09 HH 1.00* HN 1.09 ! KK 0.96 KP 1.00* LA 0.92 MA 1.00* ! MC 1.00* MK 0.86 NL 0.90 ON 1.00* ! OV 1.00 PT 0.95 SC 1.00* TS 1.15 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 1.08 HH 1.00* HN 0.92 ! KK 0.96 KP 1.00* LA 0.92 MA 1.00* ! MC 1.00* MK 0.92 NL 0.87 ON 1.00* ! OV 1.01 PT 0.95 SC 1.01 TS 1.00* ! WZ 1.00* ! ! A total of 291 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 81 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.98 FD 1.16 HH 0.79 HN 1.00 ! KK 1.00* KP 1.00* LA 0.96 MA 3.59 ! MC 1.09 MK 1.00* NL 0.91 ON 0.88 ! OV 1.11 PT 0.99 SC 1.10 TS 1.00* ! WZ 0.83 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.09 LA 1.00* MA 1.00* ! MC 1.00* MK 0.98 NL 1.00* ON 1.00* ! OV 0.99 PT 1.00* SC 1.00* TS 0.96 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.99 HH 1.00* HN 1.16 ! KK 1.00* KP 1.05 LA 0.96 MA 1.00* ! MC 1.00* MK 0.93 NL 0.96 ON 1.00* ! OV 0.93 PT 1.01 SC 1.00* TS 0.98 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.90 FD 1.00 HH 1.00* HN 0.97 ! KK 1.00* KP 1.02 LA 0.95 MA 1.00* ! MC 1.00* MK 0.98 NL 0.95 ON 1.00* ! OV 0.92 PT 1.00 SC 0.82 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 66 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.96 FD 1.06 HH 0.59 HN 1.03 ! KK 1.00* KP 1.07 LA 1.03 MA 0.80 ! MC 1.00* MK 1.00* NL 1.01 ON 1.00* ! OV 1.03 PT 1.08 SC 0.86 TS 1.00* ! WZ 0.79 ! ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.12 LA 1.00* MA 0.81 ! MC 1.25 MK 0.98 NL 1.00* ON 0.83 ! OV 1.09 PT 1.00* SC 1.00* TS 0.94 ! WZ 0.74 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.07 HH 1.00* HN 1.60 ! KK 0.90 KP 0.98 LA 0.96 MA 1.00* ! MC 1.00* MK 0.91 NL 1.12 ON 1.00* ! OV 1.14 PT 0.96 SC 1.00* TS 1.05 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.96 HH 1.00* HN 4.69 ! KK 0.87 KP 1.07 LA 0.81 MA 1.00* ! MC 1.00* MK 1.00 NL 0.96 ON 1.00* ! OV 1.25 PT 1.21 SC 1.09 TS 1.00* ! WZ 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.11 FD 0.88 HH 3.37 HN 1.37 ! KK 1.00* KP 0.97 LA 0.79 MA 1.32 ! MC 2.41 MK 1.00* NL 1.09 ON 0.84 ! OV 1.04 PT 1.31 SC 1.12 TS 1.00* ! WZ 0.80 ! ! ! Correcting IF 4. ! A total of 3 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* ! KK 1.00* KP 1.15 LA 1.00* MA 1.00* ! MC 1.00* MK 0.98 NL 1.00* ON 1.00* ! OV 0.97 PT 1.00* SC 1.00* TS 0.98 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.85 HH 1.00* HN 1.38 ! KK 1.00* KP 1.09 LA 0.83 MA 1.00* ! MC 1.00* MK 0.93 NL 1.00 ON 1.00* ! OV 0.92 PT 1.02 SC 1.00* TS 0.92 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.84 HH 1.00* HN 1.14 ! KK 1.00* KP 1.04 LA 0.82 MA 1.00* ! MC 1.00* MK 0.96 NL 0.98 ON 1.00* ! OV 0.92 PT 0.94 SC 1.12 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 90 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.05 FD 0.92 HH 1.00* HN 1.19 ! KK 1.00* KP 1.11 LA 0.87 MA 1.00* ! MC 0.97 MK 1.00* NL 1.03 ON 1.00* ! OV 1.02 PT 1.08 SC 1.09 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.535799Jy sigma=0.003737 ! Fit after self-cal, rms=0.403499Jy sigma=0.002352 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.297 mas, bmaj=5.896 mas, bpa=-1.075 degrees ! Estimated noise=828.024 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 = -0.00379117 Jy ! Component: 100 - total flux cleaned = -0.00412221 Jy ! Component: 150 - total flux cleaned = -0.0038551 Jy ! Component: 200 - total flux cleaned = -0.00387124 Jy ! Total flux subtracted in 200 components = -0.00387124 Jy ! Clean residual min=-0.019546 max=0.021314 Jy/beam ! Clean residual mean=-0.000056 rms=0.004083 Jy/beam ! Combined flux in latest and established models = 1.94777 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 26 components and 1.94777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.402615Jy sigma=0.002350 ! Fit after self-cal, rms=0.402443Jy sigma=0.002347 ! Inverting map ! Added new window around map position (8.5, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116824 Jy ! Component: 100 - total flux cleaned = 0.0128575 Jy ! Component: 150 - total flux cleaned = 0.0123551 Jy ! Component: 200 - total flux cleaned = 0.0119038 Jy ! Total flux subtracted in 200 components = 0.0119038 Jy ! Clean residual min=-0.018842 max=0.016266 Jy/beam ! Clean residual mean=-0.000108 rms=0.003898 Jy/beam ! Combined flux in latest and established models = 1.95968 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 40 components and 1.95968 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400248Jy sigma=0.002333 ! Fit after self-cal, rms=0.400156Jy sigma=0.002332 ! 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=0.400156Jy sigma=0.002332 ! Fit after self-cal, rms=0.325335Jy sigma=0.002163 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.288 mas, bmaj=5.884 mas, bpa=-0.8622 degrees ! Estimated noise=827.961 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00352595 Jy ! Component: 100 - total flux cleaned = 0.00473392 Jy ! Component: 150 - total flux cleaned = 0.0052454 Jy ! Component: 200 - total flux cleaned = 0.00546245 Jy ! Total flux subtracted in 200 components = 0.00546245 Jy ! Clean residual min=-0.010751 max=0.011358 Jy/beam ! Clean residual mean=-0.000073 rms=0.002333 Jy/beam ! Combined flux in latest and established models = 1.96514 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 1.96514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324736Jy sigma=0.002159 ! Fit after self-cal, rms=0.324839Jy sigma=0.002158 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 (12.5, 38). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00741958 Jy ! Component: 100 - total flux cleaned = 0.00840623 Jy ! Component: 150 - total flux cleaned = 0.00907917 Jy ! Component: 200 - total flux cleaned = 0.00907787 Jy ! Total flux subtracted in 200 components = 0.00907787 Jy ! Clean residual min=-0.010277 max=0.009040 Jy/beam ! Clean residual mean=-0.000093 rms=0.002249 Jy/beam ! Combined flux in latest and established models = 1.97422 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 1.97422 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324234Jy sigma=0.002155 ! Fit after self-cal, rms=0.324198Jy sigma=0.002155 ! 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=0.324198Jy sigma=0.002155 ! Fit after self-cal, rms=0.322870Jy sigma=0.002154 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.287 mas, bmaj=5.88 mas, bpa=-0.832 degrees ! Estimated noise=827.796 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0024742 Jy ! Component: 100 - total flux cleaned = 0.00290407 Jy ! Component: 150 - total flux cleaned = 0.00330142 Jy ! Component: 200 - total flux cleaned = 0.00329191 Jy ! Total flux subtracted in 200 components = 0.00329191 Jy ! Clean residual min=-0.010470 max=0.008911 Jy/beam ! Clean residual mean=-0.000089 rms=0.002193 Jy/beam ! Combined flux in latest and established models = 1.97751 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 66 components and 1.97751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322519Jy sigma=0.002152 ! Fit after self-cal, rms=0.322486Jy sigma=0.002152 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 = 0.000582651 Jy ! Component: 100 - total flux cleaned = 0.000582627 Jy ! Component: 150 - total flux cleaned = 0.000580597 Jy ! Component: 200 - total flux cleaned = 0.000404328 Jy ! Total flux subtracted in 200 components = 0.000404328 Jy ! Clean residual min=-0.010307 max=0.008969 Jy/beam ! Clean residual mean=-0.000090 rms=0.002162 Jy/beam ! Combined flux in latest and established models = 1.97791 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 1.97791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322212Jy sigma=0.002150 ! Fit after self-cal, rms=0.322200Jy sigma=0.002150 ! 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=0.322200Jy sigma=0.002150 ! Fit after self-cal, rms=0.321716Jy sigma=0.002150 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.021 mas, bmaj=11.31 mas, bpa=-10.49 degrees ! Estimated noise=1098.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258817 Jy ! Component: 100 - total flux cleaned = 0.00364117 Jy ! Component: 150 - total flux cleaned = 0.00407554 Jy ! Component: 200 - total flux cleaned = 0.00414136 Jy ! Total flux subtracted in 200 components = 0.00414136 Jy ! Clean residual min=-0.009330 max=0.007440 Jy/beam ! Clean residual mean=-0.000212 rms=0.002276 Jy/beam ! Combined flux in latest and established models = 1.98205 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 86 components and 1.98205 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321661Jy sigma=0.002149 ! Fit after self-cal, rms=0.321649Jy sigma=0.002149 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 = 4.83625e-05 Jy ! Component: 100 - total flux cleaned = 0.000178774 Jy ! Component: 150 - total flux cleaned = 0.000179028 Jy ! Component: 200 - total flux cleaned = 0.000237216 Jy ! Total flux subtracted in 200 components = 0.000237216 Jy ! Clean residual min=-0.009365 max=0.007409 Jy/beam ! Clean residual mean=-0.000213 rms=0.002269 Jy/beam ! Combined flux in latest and established models = 1.98229 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 1.98229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321611Jy sigma=0.002149 ! Fit after self-cal, rms=0.321609Jy sigma=0.002149 ! 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=2.287 mas, bmaj=5.877 mas, bpa=-0.8122 degrees ! Estimated noise=827.904 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.287 x 5.877 at -0.8122 degrees (North through East) ! Clean map min=-0.010038 max=1.7552 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=0.321609Jy sigma=0.002149 ! Fit after self-cal, rms=0.267064Jy sigma=0.001748 ! Inverting map and beam ! Estimated beam: bmin=2.288 mas, bmaj=5.875 mas, bpa=-0.7993 degrees ! Estimated noise=828.005 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00443232 Jy ! Component: 100 - total flux cleaned = -0.00426952 Jy ! Component: 150 - total flux cleaned = -0.00377727 Jy ! Component: 200 - total flux cleaned = -0.00346634 Jy ! Total flux subtracted in 200 components = -0.00346634 Jy ! Clean residual min=-0.007054 max=0.007375 Jy/beam ! Clean residual mean=-0.000053 rms=0.001779 Jy/beam ! Combined flux in latest and established models = 1.97882 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 101 components and 1.97882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266758Jy sigma=0.001746 ! Fit after self-cal, rms=0.266723Jy sigma=0.001746 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000206359 Jy ! Component: 100 - total flux cleaned = 0.000232379 Jy ! Component: 150 - total flux cleaned = 0.000375424 Jy ! Component: 200 - total flux cleaned = 0.000375403 Jy ! Total flux subtracted in 200 components = 0.000375403 Jy ! Clean residual min=-0.007085 max=0.007222 Jy/beam ! Clean residual mean=-0.000055 rms=0.001759 Jy/beam ! Combined flux in latest and established models = 1.9792 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 104 components and 1.9792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266517Jy sigma=0.001744 ! Fit after self-cal, rms=0.266498Jy sigma=0.001744 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266498Jy sigma=0.001744 ! Fit after self-cal, rms=0.266367Jy sigma=0.001744 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=1.865 mas, bmaj=4.007 mas, bpa=3.148 degrees ! Estimated noise=1317.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.34787 Jy ! Component: 100 - total flux cleaned = 1.65265 Jy ! Component: 150 - total flux cleaned = 1.77424 Jy ! Component: 200 - total flux cleaned = 1.83628 Jy ! Total flux subtracted in 200 components = 1.83628 Jy ! Clean residual min=-0.013792 max=0.030394 Jy/beam ! Clean residual mean=0.000175 rms=0.004203 Jy/beam ! Combined flux in latest and established models = 1.83628 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 15 model components to the UV plane model. ! The established model now contains 15 components and 1.83628 Jy ! Inverting map and beam ! Estimated beam: bmin=2.289 mas, bmaj=5.876 mas, bpa=-0.785 degrees ! Estimated noise=827.984 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 = 0.0570916 Jy ! Component: 100 - total flux cleaned = 0.085818 Jy ! Component: 150 - total flux cleaned = 0.103423 Jy ! Component: 200 - total flux cleaned = 0.115131 Jy ! Total flux subtracted in 200 components = 0.115131 Jy ! Clean residual min=-0.008222 max=0.008931 Jy/beam ! Clean residual mean=0.000031 rms=0.002044 Jy/beam ! Combined flux in latest and established models = 1.95141 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 38 components and 1.95141 Jy ! Inverting map ! Added new window around map position (4, 9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00968066 Jy ! Component: 100 - total flux cleaned = 0.0167394 Jy ! Component: 150 - total flux cleaned = 0.0199964 Jy ! Component: 200 - total flux cleaned = 0.0214174 Jy ! Total flux subtracted in 200 components = 0.0214174 Jy ! Clean residual min=-0.008088 max=0.007214 Jy/beam ! Clean residual mean=-0.000044 rms=0.001811 Jy/beam ! Combined flux in latest and established models = 1.97283 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 56 components and 1.97283 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=9.021 mas, bmaj=11.3 mas, bpa=-10.54 degrees ! Estimated noise=1097.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00437443 Jy ! Component: 100 - total flux cleaned = 0.00667088 Jy ! Component: 150 - total flux cleaned = 0.0078206 Jy ! Component: 200 - total flux cleaned = 0.00888308 Jy ! Total flux subtracted in 200 components = 0.00888308 Jy ! Clean residual min=-0.007366 max=0.006312 Jy/beam ! Clean residual mean=-0.000147 rms=0.001894 Jy/beam ! Combined flux in latest and established models = 1.98171 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 = 0.000598624 Jy ! Component: 100 - total flux cleaned = 0.00113546 Jy ! Component: 150 - total flux cleaned = 0.00157464 Jy ! Component: 200 - total flux cleaned = 0.00198429 Jy ! Total flux subtracted in 200 components = 0.00198429 Jy ! Clean residual min=-0.007248 max=0.006398 Jy/beam ! Clean residual mean=-0.000156 rms=0.001866 Jy/beam ! Combined flux in latest and established models = 1.9837 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 92 components and 1.9837 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.289 mas, bmaj=5.876 mas, bpa=-0.785 degrees ! Estimated noise=827.984 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00101578 Jy ! Component: 100 - total flux cleaned = -0.00119233 Jy ! Component: 150 - total flux cleaned = -0.00136248 Jy ! Component: 200 - total flux cleaned = -0.00136156 Jy ! Total flux subtracted in 200 components = -0.00136156 Jy ! Clean residual min=-0.007901 max=0.007297 Jy/beam ! Clean residual mean=-0.000068 rms=0.001743 Jy/beam ! Combined flux in latest and established models = 1.98233 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 107 components and 1.98233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266810Jy sigma=0.001747 ! Fit after self-cal, rms=0.266700Jy sigma=0.001746 wmodel J1751+0939_S_2001_03_12_pus_map.mod ! Writing 107 model components to file: J1751+0939_S_2001_03_12_pus_map.mod wobs J1751+0939_S_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J1751+0939_S_2001_03_12_pus_uvs.fits wwins J1751+0939_S_2001_03_12_pus_map.win ! wwins: Wrote 4 windows to J1751+0939_S_2001_03_12_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 = -0.000732901 Jy ! Component: 100 - total flux cleaned = 1.25292e-05 Jy ! Component: 150 - total flux cleaned = 0.00108105 Jy ! Component: 200 - total flux cleaned = 0.00165057 Jy ! Component: 250 - total flux cleaned = 0.00198047 Jy ! Component: 300 - total flux cleaned = 0.00230407 Jy ! Component: 350 - total flux cleaned = 0.00272453 Jy ! Component: 400 - total flux cleaned = 0.00313432 Jy ! Component: 450 - total flux cleaned = 0.0031336 Jy ! Component: 500 - total flux cleaned = 0.00333086 Jy ! Component: 550 - total flux cleaned = 0.00333101 Jy ! Component: 600 - total flux cleaned = 0.00332905 Jy ! Component: 650 - total flux cleaned = 0.00305062 Jy ! Component: 700 - total flux cleaned = 0.00314395 Jy ! Component: 750 - total flux cleaned = 0.00305389 Jy ! Component: 800 - total flux cleaned = 0.00314529 Jy ! Component: 850 - total flux cleaned = 0.00332317 Jy ! Component: 900 - total flux cleaned = 0.00349876 Jy ! Component: 950 - total flux cleaned = 0.00367098 Jy ! Component: 1000 - total flux cleaned = 0.00384122 Jy ! Component: 1050 - total flux cleaned = 0.00434684 Jy ! Component: 1100 - total flux cleaned = 0.0045137 Jy ! Component: 1150 - total flux cleaned = 0.00500937 Jy ! Component: 1200 - total flux cleaned = 0.0052546 Jy ! Component: 1250 - total flux cleaned = 0.00565886 Jy ! Component: 1300 - total flux cleaned = 0.00598106 Jy ! Component: 1350 - total flux cleaned = 0.00630049 Jy ! Component: 1400 - total flux cleaned = 0.00661793 Jy ! Component: 1450 - total flux cleaned = 0.00708972 Jy ! Component: 1500 - total flux cleaned = 0.00740056 Jy ! Component: 1550 - total flux cleaned = 0.0074787 Jy ! Component: 1600 - total flux cleaned = 0.00809386 Jy ! Component: 1650 - total flux cleaned = 0.00839955 Jy ! Component: 1700 - total flux cleaned = 0.00870261 Jy ! Component: 1750 - total flux cleaned = 0.00892944 Jy ! Component: 1800 - total flux cleaned = 0.00922798 Jy ! Component: 1850 - total flux cleaned = 0.00959955 Jy ! Component: 1900 - total flux cleaned = 0.00967286 Jy ! Component: 1950 - total flux cleaned = 0.01004 Jy ! Component: 2000 - total flux cleaned = 0.0105508 Jy ! Total flux subtracted in 2048 components = 0.0106239 Jy ! Clean residual min=-0.004195 max=0.004562 Jy/beam ! Clean residual mean=-0.000059 rms=0.001290 Jy/beam ! Combined flux in latest and established models = 1.99296 Jy keep ! Adding 131 model components to the UV plane model. ! The established model now contains 238 components and 1.99296 Jy ![Exited script file: muppet] wmap "J1751+0939_S_2001_03_12_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.289 x 5.876 at -0.785 degrees (North through East) ! Clean map min=-0.0067196 max=1.761 Jy/beam ! Writing clean map to FITS file: J1751+0939_S_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.76097 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00129136 device "J1751+0939_S_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J1751+0939_S_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.219997 0.219997 0.439994 0.879987 1.75997 3.51995 7.0399 14.0798 28.1596 56.3192 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0038 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.76 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.289 x 5.876 at -0.785 degrees (North through East) ! Clean map min=-0.0067196 max=1.761 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1751+0939_S_2001_03_12_pus_uvs.log closed on Wed Jan 2 18:59:26 2013