! Started logfile: .//J2257+4310_C_dfm.log on Mon Jan 20 19:23:40 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J2257+4310_C_uva.fits ! Reading UV FITS file: .//J2257+4310_C_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2257+4310 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 4608 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J2257+4310_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 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 print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.999655Jy sigma=20.543517 ! Fit after self-cal, rms=0.945221Jy sigma=19.416412 ! 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=1.443 mas, bmaj=4.627 mas, bpa=-39.69 degrees ! Estimated noise=0.857679 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 = 0.0430751 Jy ! Component: 100 - total flux cleaned = 0.0528309 Jy ! Total flux subtracted in 100 components = 0.0528309 Jy ! Clean residual min=-0.002818 max=0.003533 Jy/beam ! Clean residual mean=-0.000001 rms=0.000728 Jy/beam ! Combined flux in latest and established models = 0.0528309 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0528309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.036432Jy sigma=0.693847 ! Fit after self-cal, rms=0.036311Jy sigma=0.691491 ! 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=1.764 mas, bmaj=4.646 mas, bpa=-40.04 degrees ! Estimated noise=0.519268 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 = 0.00333132 Jy ! Component: 100 - total flux cleaned = 0.00418445 Jy ! Component: 150 - total flux cleaned = 0.00443566 Jy ! Component: 200 - total flux cleaned = 0.00447614 Jy ! Total flux subtracted in 200 components = 0.00447614 Jy ! Clean residual min=-0.001675 max=0.001678 Jy/beam ! Clean residual mean=0.000001 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.057307 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.057307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035992Jy sigma=0.684889 ! Fit after self-cal, rms=0.035995Jy sigma=0.684788 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.764 x 4.646 at -40.04 degrees (North through East) ! Clean map min=-0.0015825 max=0.055248 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 0.93 KP 1.07 ! MK 0.94 NL 0.87 OV 0.97 PT 1.02 ! SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 0.95 KP 1.00 ! MK 1.12 NL 1.08 OV 1.06 PT 0.98 ! SC 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.97 KP 0.98 ! MK 0.96 NL 1.00 OV 0.97 PT 1.05 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.09 HN 0.90 KP 0.99 ! MK 1.07 NL 1.01 OV 1.09 PT 1.00 ! SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 0.94 KP 1.03 ! MK 1.00 NL 0.99 OV 1.05 PT 1.01 ! SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.08 HN 1.08 KP 1.02 ! MK 1.01 NL 1.02 OV 0.94 PT 0.98 ! SC 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 1.00 KP 0.97 ! MK 0.92 NL 1.03 OV 0.96 PT 1.01 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.06 HN 0.91 KP 1.00 ! MK 1.04 NL 0.96 OV 0.98 PT 1.00 ! SC 0.95 ! ! ! Fit before self-cal, rms=0.035995Jy sigma=0.684788 ! Fit after self-cal, rms=0.035795Jy sigma=0.680187 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.763 mas, bmaj=4.628 mas, bpa=-40.22 degrees ! Estimated noise=0.515362 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 = 0.00062202 Jy ! Component: 100 - total flux cleaned = 0.000544274 Jy ! Component: 150 - total flux cleaned = 0.000431847 Jy ! Component: 200 - total flux cleaned = 0.000353053 Jy ! Total flux subtracted in 200 components = 0.000353053 Jy ! Clean residual min=-0.001502 max=0.001556 Jy/beam ! Clean residual mean=0.000000 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.0576601 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 30 components and 0.0576601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035758Jy sigma=0.679484 ! Fit after self-cal, rms=0.035768Jy sigma=0.679352 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035768Jy sigma=0.679352 ! Fit after self-cal, rms=0.035825Jy sigma=0.679290 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.763 mas, bmaj=4.627 mas, bpa=-40.3 degrees ! Estimated noise=0.516 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000290877 Jy ! Component: 100 - total flux cleaned = 0.000236791 Jy ! Component: 150 - total flux cleaned = 0.000173949 Jy ! Component: 200 - total flux cleaned = 0.000103132 Jy ! Total flux subtracted in 200 components = 0.000103132 Jy ! Clean residual min=-0.001459 max=0.001523 Jy/beam ! Clean residual mean=0.000000 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.0577632 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 33 components and 0.0577632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035809Jy sigma=0.678978 ! Fit after self-cal, rms=0.035810Jy sigma=0.678957 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 (74.1, 59.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00067608 Jy ! Component: 100 - total flux cleaned = 0.000614027 Jy ! Component: 150 - total flux cleaned = 0.00063778 Jy ! Component: 200 - total flux cleaned = 0.000704326 Jy ! Total flux subtracted in 200 components = 0.000704326 Jy ! Clean residual min=-0.001363 max=0.001304 Jy/beam ! Clean residual mean=-0.000000 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.0584675 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 52 components and 0.0584675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035743Jy sigma=0.677808 ! Fit after self-cal, rms=0.035739Jy sigma=0.677719 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035739Jy sigma=0.677719 ! Fit after self-cal, rms=0.035755Jy sigma=0.677643 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.763 mas, bmaj=4.629 mas, bpa=-40.33 degrees ! Estimated noise=0.516309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00011472 Jy ! Component: 100 - total flux cleaned = 0.000198197 Jy ! Component: 150 - total flux cleaned = 0.000216789 Jy ! Component: 200 - total flux cleaned = 0.000199591 Jy ! Total flux subtracted in 200 components = 0.000199591 Jy ! Clean residual min=-0.001387 max=0.001224 Jy/beam ! Clean residual mean=-0.000001 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.0586671 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 61 components and 0.0586671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035732Jy sigma=0.677233 ! Fit after self-cal, rms=0.035732Jy sigma=0.677215 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 = 3.97861e-05 Jy ! Component: 100 - total flux cleaned = 2.32964e-05 Jy ! Component: 150 - total flux cleaned = -2.34881e-05 Jy ! Component: 200 - total flux cleaned = -6.73122e-05 Jy ! Total flux subtracted in 200 components = -6.73122e-05 Jy ! Clean residual min=-0.001393 max=0.001198 Jy/beam ! Clean residual mean=-0.000001 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.0585998 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 64 components and 0.0585998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035719Jy sigma=0.676962 ! Fit after self-cal, rms=0.035719Jy sigma=0.676956 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035719Jy sigma=0.676956 ! Fit after self-cal, rms=0.035693Jy sigma=0.676929 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.545 mas, bmaj=4.915 mas, bpa=-45.31 degrees ! Estimated noise=0.593242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000493101 Jy ! Component: 100 - total flux cleaned = -0.000779093 Jy ! Component: 150 - total flux cleaned = -0.000894209 Jy ! Component: 200 - total flux cleaned = -0.000921628 Jy ! Total flux subtracted in 200 components = -0.000921628 Jy ! Clean residual min=-0.001326 max=0.001512 Jy/beam ! Clean residual mean=-0.000001 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.0576782 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 76 components and 0.0576782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035690Jy sigma=0.676801 ! Fit after self-cal, rms=0.035688Jy sigma=0.676788 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 (-64.5, 45.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000354918 Jy ! Component: 100 - total flux cleaned = 0.00025412 Jy ! Component: 150 - total flux cleaned = 0.000187341 Jy ! Component: 200 - total flux cleaned = 0.000166631 Jy ! Total flux subtracted in 200 components = 0.000166631 Jy ! Clean residual min=-0.001036 max=0.000964 Jy/beam ! Clean residual mean=-0.000002 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.0578448 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 103 components and 0.0578448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035641Jy sigma=0.675744 ! Fit after self-cal, rms=0.035636Jy sigma=0.675684 ! 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=1.762 mas, bmaj=4.629 mas, bpa=-40.33 degrees ! Estimated noise=0.516255 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.762 x 4.629 at -40.33 degrees (North through East) ! Clean map min=-0.0011418 max=0.054946 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 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=1.445 mas, bmaj=4.601 mas, bpa=-39.96 degrees ! Estimated noise=0.852819 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0428353 Jy ! Component: 100 - total flux cleaned = 0.0525796 Jy ! Component: 150 - total flux cleaned = 0.0565327 Jy ! Component: 200 - total flux cleaned = 0.058527 Jy ! Total flux subtracted in 200 components = 0.058527 Jy ! Clean residual min=-0.002428 max=0.002457 Jy/beam ! Clean residual mean=-0.000001 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.058527 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.058527 Jy ! Inverting map and beam ! Estimated beam: bmin=1.762 mas, bmaj=4.629 mas, bpa=-40.33 degrees ! Estimated noise=0.516255 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 = 0.001223 Jy ! Component: 100 - total flux cleaned = 0.00192519 Jy ! Component: 150 - total flux cleaned = 0.0022443 Jy ! Component: 200 - total flux cleaned = 0.00228128 Jy ! Total flux subtracted in 200 components = 0.00228128 Jy ! Clean residual min=-0.001344 max=0.001267 Jy/beam ! Clean residual mean=-0.000001 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.0608083 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 38 components and 0.0608083 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.545 mas, bmaj=4.915 mas, bpa=-45.31 degrees ! Estimated noise=0.593242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000549204 Jy ! Component: 100 - total flux cleaned = -0.000735276 Jy ! Component: 150 - total flux cleaned = -0.000898843 Jy ! Component: 200 - total flux cleaned = -0.00109265 Jy ! Total flux subtracted in 200 components = -0.00109265 Jy ! Clean residual min=-0.001071 max=0.001024 Jy/beam ! Clean residual mean=-0.000001 rms=0.000293 Jy/beam ! Combined flux in latest and established models = 0.0597156 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 = -0.000152915 Jy ! Component: 100 - total flux cleaned = -0.000294838 Jy ! Component: 150 - total flux cleaned = -0.000464918 Jy ! Component: 200 - total flux cleaned = -0.000570952 Jy ! Total flux subtracted in 200 components = -0.000570952 Jy ! Clean residual min=-0.000950 max=0.001007 Jy/beam ! Clean residual mean=-0.000001 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.0591447 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 83 components and 0.0591447 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.762 mas, bmaj=4.629 mas, bpa=-40.33 degrees ! Estimated noise=0.516255 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000285365 Jy ! Component: 100 - total flux cleaned = 0.000315176 Jy ! Component: 150 - total flux cleaned = 0.000342362 Jy ! Component: 200 - total flux cleaned = 0.000343071 Jy ! Total flux subtracted in 200 components = 0.000343071 Jy ! Clean residual min=-0.001135 max=0.001067 Jy/beam ! Clean residual mean=-0.000001 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0594878 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 105 components and 0.0594878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035658Jy sigma=0.676139 ! Fit after self-cal, rms=0.035654Jy sigma=0.676047 wmodel J2257+4310_C_map.mod ! Writing 105 model components to file: J2257+4310_C_map.mod wobs J2257+4310_C_uvs.fits ! Writing UV FITS file: J2257+4310_C_uvs.fits wwins J2257+4310_C_map.win ! wwins: Wrote 3 windows to J2257+4310_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000127577 Jy ! Component: 100 - total flux cleaned = -0.000182559 Jy ! Component: 150 - total flux cleaned = -0.000270757 Jy ! Component: 200 - total flux cleaned = -0.000355657 Jy ! Component: 250 - total flux cleaned = -0.000504361 Jy ! Component: 300 - total flux cleaned = -0.000584443 Jy ! Component: 350 - total flux cleaned = -0.00056903 Jy ! Component: 400 - total flux cleaned = -0.000584554 Jy ! Component: 450 - total flux cleaned = -0.000480791 Jy ! Component: 500 - total flux cleaned = -0.000451867 Jy ! Component: 550 - total flux cleaned = -0.000338044 Jy ! Component: 600 - total flux cleaned = -0.000324106 Jy ! Component: 650 - total flux cleaned = -0.000200244 Jy ! Component: 700 - total flux cleaned = -0.000173032 Jy ! Component: 750 - total flux cleaned = -6.65756e-05 Jy ! Component: 800 - total flux cleaned = 1.14356e-05 Jy ! Component: 850 - total flux cleaned = 6.30203e-05 Jy ! Component: 900 - total flux cleaned = 0.000151783 Jy ! Component: 950 - total flux cleaned = 0.000201842 Jy ! Component: 1000 - total flux cleaned = 0.000300832 Jy ! Component: 1050 - total flux cleaned = 0.000386128 Jy ! Component: 1100 - total flux cleaned = 0.000458568 Jy ! Component: 1150 - total flux cleaned = 0.000530099 Jy ! Component: 1200 - total flux cleaned = 0.000577309 Jy ! Component: 1250 - total flux cleaned = 0.000635685 Jy ! Component: 1300 - total flux cleaned = 0.000693524 Jy ! Component: 1350 - total flux cleaned = 0.00075065 Jy ! Component: 1400 - total flux cleaned = 0.000784553 Jy ! Component: 1450 - total flux cleaned = 0.000829311 Jy ! Component: 1500 - total flux cleaned = 0.000862738 Jy ! Component: 1550 - total flux cleaned = 0.000906914 Jy ! Component: 1600 - total flux cleaned = 0.000983074 Jy ! Component: 1650 - total flux cleaned = 0.000972331 Jy ! Component: 1700 - total flux cleaned = 0.00107922 Jy ! Component: 1750 - total flux cleaned = 0.00105798 Jy ! Component: 1800 - total flux cleaned = 0.00115259 Jy ! Component: 1850 - total flux cleaned = 0.00117351 Jy ! Component: 1900 - total flux cleaned = 0.00127687 Jy ! Component: 1950 - total flux cleaned = 0.00129728 Jy ! Component: 2000 - total flux cleaned = 0.00136842 Jy ! Component: 2050 - total flux cleaned = 0.00136852 Jy ! Component: 2100 - total flux cleaned = 0.00141863 Jy ! Component: 2150 - total flux cleaned = 0.00144845 Jy ! Component: 2200 - total flux cleaned = 0.00146828 Jy ! Component: 2250 - total flux cleaned = 0.00154639 Jy ! Component: 2300 - total flux cleaned = 0.0015852 Jy ! Component: 2350 - total flux cleaned = 0.00163318 Jy ! Component: 2400 - total flux cleaned = 0.0016617 Jy ! Component: 2450 - total flux cleaned = 0.00168073 Jy ! Component: 2500 - total flux cleaned = 0.00168073 Jy ! Component: 2550 - total flux cleaned = 0.00173684 Jy ! Component: 2600 - total flux cleaned = 0.00177393 Jy ! Component: 2650 - total flux cleaned = 0.00181082 Jy ! Component: 2700 - total flux cleaned = 0.00186572 Jy ! Component: 2750 - total flux cleaned = 0.00188398 Jy ! Component: 2800 - total flux cleaned = 0.00196545 Jy ! Component: 2850 - total flux cleaned = 0.00201942 Jy ! Component: 2900 - total flux cleaned = 0.00206413 Jy ! Component: 2950 - total flux cleaned = 0.00211742 Jy ! Component: 3000 - total flux cleaned = 0.00215279 Jy ! Component: 3050 - total flux cleaned = 0.00218792 Jy ! Component: 3100 - total flux cleaned = 0.0022228 Jy ! Component: 3150 - total flux cleaned = 0.00226614 Jy ! Component: 3200 - total flux cleaned = 0.00230062 Jy ! Component: 3250 - total flux cleaned = 0.0023693 Jy ! Component: 3300 - total flux cleaned = 0.00238632 Jy ! Component: 3350 - total flux cleaned = 0.00242882 Jy ! Component: 3400 - total flux cleaned = 0.00247952 Jy ! Component: 3450 - total flux cleaned = 0.00252155 Jy ! Component: 3500 - total flux cleaned = 0.00255505 Jy ! Component: 3550 - total flux cleaned = 0.00259663 Jy ! Component: 3600 - total flux cleaned = 0.00265464 Jy ! Component: 3650 - total flux cleaned = 0.00265459 Jy ! Component: 3700 - total flux cleaned = 0.00268736 Jy ! Component: 3750 - total flux cleaned = 0.00272011 Jy ! Component: 3800 - total flux cleaned = 0.00278516 Jy ! Component: 3850 - total flux cleaned = 0.00281755 Jy ! Component: 3900 - total flux cleaned = 0.00288196 Jy ! Component: 3950 - total flux cleaned = 0.00289805 Jy ! Component: 4000 - total flux cleaned = 0.00296996 Jy ! Component: 4050 - total flux cleaned = 0.00300174 Jy ! Total flux subtracted in 4096 components = 0.00302563 Jy ! Clean residual min=-0.000462 max=0.000468 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.0625134 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 395 components and 0.0625133 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J2257+4310_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.762 x 4.629 at -40.33 degrees (North through East) ! Clean map min=-0.0010241 max=0.054673 Jy/beam ! Writing clean map to FITS file: .//J2257+4310_C_map.fits wmodel .//J2257+4310_C_map.mod ! Writing 395 model components to file: .//J2257+4310_C_map.mod wobs .//J2257+4310_C_uvs.fits ! Writing UV FITS file: .//J2257+4310_C_uvs.fits wwins .//J2257+4310_C_map.win ! wwins: Wrote 4 windows to .//J2257+4310_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0546733 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000137862 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.756468 0.756468 1.51294 3.02587 6.05174 12.1035 24.207 48.414 96.8279 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.054 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 396.579 quit ! Quitting program ! Log file .//J2257+4310_C_dfm.log closed on Mon Jan 20 19:23:44 2020