! Started logfile: /tmp/maps//J1957+3338_C_20180605_dfm.log on Wed Jul 4 23:41:13 2018 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 /tmp/maps//J1957+3338_C_20180605_uva.fits ! Reading UV FITS file: /tmp/maps//J1957+3338_C_20180605_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.943434 visibilities/baseline/integration-bin. ! Found source: J1957+3338 ! ! 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 94 lines of history. ! ! Reading 7472 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 J1957+3338_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. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006621Jy sigma=27.804009 ! Fit after self-cal, rms=0.857715Jy sigma=23.665553 ! 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=1.243 mas, bmaj=4.007 mas, bpa=-14.1 degrees ! Estimated noise=0.454889 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 = 0.104076 Jy ! Component: 100 - total flux cleaned = 0.132676 Jy ! Total flux subtracted in 100 components = 0.132676 Jy ! Clean residual min=-0.006510 max=0.012776 Jy/beam ! Clean residual mean=-0.000007 rms=0.001283 Jy/beam ! Combined flux in latest and established models = 0.132676 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.132676 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=0.040600Jy sigma=0.997874 ! Fit after self-cal, rms=0.040581Jy sigma=0.997502 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0140635 Jy ! Component: 100 - total flux cleaned = 0.0202256 Jy ! Total flux subtracted in 100 components = 0.0202256 Jy ! Clean residual min=-0.005531 max=0.003621 Jy/beam ! Clean residual mean=-0.000004 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.152902 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 12 components and 0.152902 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=0.034257Jy sigma=0.810617 ! Fit after self-cal, rms=0.034250Jy sigma=0.810323 ! 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=1.61 mas, bmaj=4.199 mas, bpa=-13.95 degrees ! Estimated noise=0.304522 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 = 0.0053503 Jy ! Component: 100 - total flux cleaned = 0.00822257 Jy ! Component: 150 - total flux cleaned = 0.0100288 Jy ! Component: 200 - total flux cleaned = 0.0106329 Jy ! Total flux subtracted in 200 components = 0.0106329 Jy ! Clean residual min=-0.004610 max=0.005412 Jy/beam ! Clean residual mean=-0.000010 rms=0.001126 Jy/beam ! Combined flux in latest and established models = 0.163535 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 20 components and 0.163535 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=0.033283Jy sigma=0.786871 ! Fit after self-cal, rms=0.033279Jy sigma=0.786771 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.61 x 4.199 at -13.95 degrees (North through East) ! Clean map min=-0.00441 max=0.14145 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.95 HN 0.98 KP 0.92 ! LA 1.04 MK 1.01 NL 1.08 OV 1.01 ! PT 0.93 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.97 KP 0.95 ! LA 1.04 MK 1.01 NL 1.09 OV 1.00 ! PT 0.91 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.95 HN 1.01 KP 0.93 ! LA 1.05 MK 1.01 NL 1.09 OV 1.00 ! PT 0.91 SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.99 KP 0.92 ! LA 1.04 MK 0.99 NL 1.09 OV 1.03 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.00 KP 0.94 ! LA 1.07 MK 0.98 NL 1.08 OV 1.03 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 0.98 KP 0.93 ! LA 1.04 MK 1.00 NL 1.07 OV 1.06 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.96 HN 0.97 KP 0.92 ! LA 1.05 MK 0.98 NL 1.07 OV 1.05 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 0.97 KP 0.92 ! LA 1.05 MK 0.98 NL 1.04 OV 1.04 ! PT 0.92 SC 0.97 ! ! ! Fit before self-cal, rms=0.033279Jy sigma=0.786771 ! Fit after self-cal, rms=0.030828Jy sigma=0.725609 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.607 mas, bmaj=4.222 mas, bpa=-14.03 degrees ! Estimated noise=0.303677 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 (-13.2, 3.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00467889 Jy ! Component: 100 - total flux cleaned = 0.00711704 Jy ! Component: 150 - total flux cleaned = 0.00838816 Jy ! Component: 200 - total flux cleaned = 0.00888022 Jy ! Total flux subtracted in 200 components = 0.00888022 Jy ! Clean residual min=-0.001955 max=0.002463 Jy/beam ! Clean residual mean=0.000000 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.172415 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 51 components and 0.172415 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=0.030164Jy sigma=0.699479 ! Fit after self-cal, rms=0.030154Jy sigma=0.698756 ! 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=0.030154Jy sigma=0.698756 ! Fit after self-cal, rms=0.030057Jy sigma=0.698176 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.607 mas, bmaj=4.223 mas, bpa=-14.06 degrees ! Estimated noise=0.302824 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000767078 Jy ! Component: 100 - total flux cleaned = 0.00102919 Jy ! Component: 150 - total flux cleaned = 0.00132739 Jy ! Component: 200 - total flux cleaned = 0.00158628 Jy ! Total flux subtracted in 200 components = 0.00158628 Jy ! Clean residual min=-0.001845 max=0.002265 Jy/beam ! Clean residual mean=0.000000 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.174001 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 63 components and 0.174001 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=0.029959Jy sigma=0.694557 ! Fit after self-cal, rms=0.029961Jy sigma=0.694441 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 (-31.5, 21.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231555 Jy ! Component: 100 - total flux cleaned = 0.00361894 Jy ! Component: 150 - total flux cleaned = 0.00441044 Jy ! Component: 200 - total flux cleaned = 0.00491239 Jy ! Total flux subtracted in 200 components = 0.00491239 Jy ! Clean residual min=-0.001641 max=0.001813 Jy/beam ! Clean residual mean=-0.000000 rms=0.000411 Jy/beam ! Combined flux in latest and established models = 0.178914 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 95 components and 0.178914 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=0.029753Jy sigma=0.688113 ! Fit after self-cal, rms=0.029745Jy sigma=0.687883 ! Inverting map ! Added new window around map position (-66.9, -22.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158471 Jy ! Component: 100 - total flux cleaned = 0.00232087 Jy ! Component: 150 - total flux cleaned = 0.00288929 Jy ! Component: 200 - total flux cleaned = 0.00331449 Jy ! Total flux subtracted in 200 components = 0.00331449 Jy ! Clean residual min=-0.001509 max=0.001610 Jy/beam ! Clean residual mean=0.000000 rms=0.000361 Jy/beam ! Combined flux in latest and established models = 0.182228 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 119 components and 0.182228 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=0.029639Jy sigma=0.684446 ! Fit after self-cal, rms=0.029639Jy sigma=0.684303 ! Inverting map ! Added new window around map position (-18.6, -51). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142629 Jy ! Component: 100 - total flux cleaned = 0.00207349 Jy ! Component: 150 - total flux cleaned = 0.00250759 Jy ! Component: 200 - total flux cleaned = 0.00287285 Jy ! Total flux subtracted in 200 components = 0.00287285 Jy ! Clean residual min=-0.001511 max=0.001220 Jy/beam ! Clean residual mean=0.000001 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.185101 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 147 components and 0.185101 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=0.029555Jy sigma=0.681641 ! Fit after self-cal, rms=0.029551Jy sigma=0.681581 ! 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=0.029551Jy sigma=0.681581 ! Fit after self-cal, rms=0.029501Jy sigma=0.680974 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.607 mas, bmaj=4.228 mas, bpa=-14.07 degrees ! Estimated noise=0.302466 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000207628 Jy ! Component: 100 - total flux cleaned = 0.00044162 Jy ! Component: 150 - total flux cleaned = 0.000634055 Jy ! Component: 200 - total flux cleaned = 0.000833696 Jy ! Total flux subtracted in 200 components = 0.000833696 Jy ! Clean residual min=-0.001466 max=0.001094 Jy/beam ! Clean residual mean=0.000002 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.185935 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 160 components and 0.185935 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=0.029466Jy sigma=0.680026 ! Fit after self-cal, rms=0.029469Jy sigma=0.680004 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 = 0.000155163 Jy ! Component: 100 - total flux cleaned = 0.00033781 Jy ! Component: 150 - total flux cleaned = 0.000474843 Jy ! Component: 200 - total flux cleaned = 0.000604519 Jy ! Total flux subtracted in 200 components = 0.000604519 Jy ! Clean residual min=-0.001430 max=0.001078 Jy/beam ! Clean residual mean=0.000002 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.186539 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 172 components and 0.186539 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=0.029449Jy sigma=0.679448 ! Fit after self-cal, rms=0.029449Jy sigma=0.679436 ! 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=0.029449Jy sigma=0.679436 ! Fit after self-cal, rms=0.029450Jy sigma=0.679385 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.605 mas, bmaj=4.97 mas, bpa=-11.81 degrees ! Estimated noise=0.376841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000582931 Jy ! Component: 100 - total flux cleaned = 0.000749848 Jy ! Component: 150 - total flux cleaned = 0.000893215 Jy ! Component: 200 - total flux cleaned = 0.00102321 Jy ! Total flux subtracted in 200 components = 0.00102321 Jy ! Clean residual min=-0.001705 max=0.001589 Jy/beam ! Clean residual mean=0.000003 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.187563 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 201 components and 0.187563 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=0.029433Jy sigma=0.679032 ! Fit after self-cal, rms=0.029434Jy sigma=0.678990 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 = 0.000196963 Jy ! Component: 100 - total flux cleaned = 0.000315614 Jy ! Component: 150 - total flux cleaned = 0.000407972 Jy ! Component: 200 - total flux cleaned = 0.000478506 Jy ! Total flux subtracted in 200 components = 0.000478506 Jy ! Clean residual min=-0.001654 max=0.001563 Jy/beam ! Clean residual mean=0.000003 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.188041 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 219 components and 0.188041 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=0.029427Jy sigma=0.678875 ! Fit after self-cal, rms=0.029427Jy sigma=0.678858 ! 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=1.608 mas, bmaj=4.23 mas, bpa=-14.07 degrees ! Estimated noise=0.302496 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.608 x 4.23 at -14.07 degrees (North through East) ! Clean map min=-0.0015822 max=0.14144 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=1.239 mas, bmaj=4.032 mas, bpa=-14.14 degrees ! Estimated noise=0.450125 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.102958 Jy ! Component: 100 - total flux cleaned = 0.131548 Jy ! Component: 150 - total flux cleaned = 0.145655 Jy ! Component: 200 - total flux cleaned = 0.152977 Jy ! Total flux subtracted in 200 components = 0.152977 Jy ! Clean residual min=-0.002896 max=0.003463 Jy/beam ! Clean residual mean=-0.000001 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.152977 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.152977 Jy ! Inverting map and beam ! Estimated beam: bmin=1.608 mas, bmaj=4.23 mas, bpa=-14.07 degrees ! Estimated noise=0.302496 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-18.3, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00611292 Jy ! Component: 100 - total flux cleaned = 0.0103549 Jy ! Component: 150 - total flux cleaned = 0.0136005 Jy ! Component: 200 - total flux cleaned = 0.0161914 Jy ! Total flux subtracted in 200 components = 0.0161914 Jy ! Clean residual min=-0.002022 max=0.002164 Jy/beam ! Clean residual mean=-0.000002 rms=0.000550 Jy/beam ! Combined flux in latest and established models = 0.169169 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 43 components and 0.169169 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=3.605 mas, bmaj=4.97 mas, bpa=-11.81 degrees ! Estimated noise=0.376841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00356409 Jy ! Component: 100 - total flux cleaned = 0.00616554 Jy ! Component: 150 - total flux cleaned = 0.00824603 Jy ! Component: 200 - total flux cleaned = 0.00994187 Jy ! Total flux subtracted in 200 components = 0.00994187 Jy ! Clean residual min=-0.002097 max=0.001769 Jy/beam ! Clean residual mean=-0.000001 rms=0.000656 Jy/beam ! Combined flux in latest and established models = 0.179111 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 = 0.000972428 Jy ! Component: 100 - total flux cleaned = 0.00186783 Jy ! Component: 150 - total flux cleaned = 0.00260701 Jy ! Component: 200 - total flux cleaned = 0.00322306 Jy ! Total flux subtracted in 200 components = 0.00322306 Jy ! Clean residual min=-0.001776 max=0.001568 Jy/beam ! Clean residual mean=-0.000000 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 0.182334 Jy ! Adding 104 model components to the UV plane model. ! The established model now contains 139 components and 0.182334 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.608 mas, bmaj=4.23 mas, bpa=-14.07 degrees ! Estimated noise=0.302496 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.30596e-05 Jy ! Component: 100 - total flux cleaned = 0.000347981 Jy ! Component: 150 - total flux cleaned = 0.000807131 Jy ! Component: 200 - total flux cleaned = 0.00122288 Jy ! Total flux subtracted in 200 components = 0.00122288 Jy ! Clean residual min=-0.001390 max=0.001201 Jy/beam ! Clean residual mean=0.000000 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.183557 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 160 components and 0.183557 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=0.029535Jy sigma=0.681661 ! Fit after self-cal, rms=0.029516Jy sigma=0.680958 wmodel J1957+3338_C_map.mod ! Writing 160 model components to file: J1957+3338_C_map.mod wobs J1957+3338_C_uvs.fits ! Writing UV FITS file: J1957+3338_C_uvs.fits wwins J1957+3338_C_map.win ! wwins: Wrote 6 windows to J1957+3338_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 = -0.000600632 Jy ! Component: 100 - total flux cleaned = -0.000817619 Jy ! Component: 150 - total flux cleaned = -0.0008987 Jy ! Component: 200 - total flux cleaned = -0.000898904 Jy ! Component: 250 - total flux cleaned = -0.000844918 Jy ! Component: 300 - total flux cleaned = -0.000775692 Jy ! Component: 350 - total flux cleaned = -0.000692463 Jy ! Component: 400 - total flux cleaned = -0.000579505 Jy ! Component: 450 - total flux cleaned = -0.000532209 Jy ! Component: 500 - total flux cleaned = -0.000471153 Jy ! Component: 550 - total flux cleaned = -0.000396717 Jy ! Component: 600 - total flux cleaned = -0.000323825 Jy ! Component: 650 - total flux cleaned = -0.000295342 Jy ! Component: 700 - total flux cleaned = -0.000238983 Jy ! Component: 750 - total flux cleaned = -0.000197668 Jy ! Component: 800 - total flux cleaned = -0.000183783 Jy ! Component: 850 - total flux cleaned = -0.000143844 Jy ! Component: 900 - total flux cleaned = -7.83914e-05 Jy ! Component: 950 - total flux cleaned = -1.44072e-05 Jy ! Component: 1000 - total flux cleaned = 1.07991e-05 Jy ! Component: 1050 - total flux cleaned = 3.57335e-05 Jy ! Component: 1100 - total flux cleaned = 0.000109205 Jy ! Component: 1150 - total flux cleaned = 0.000121292 Jy ! Component: 1200 - total flux cleaned = 0.000192842 Jy ! Component: 1250 - total flux cleaned = 0.000274725 Jy ! Component: 1300 - total flux cleaned = 0.000286418 Jy ! Component: 1350 - total flux cleaned = 0.000343303 Jy ! Component: 1400 - total flux cleaned = 0.000332061 Jy ! Component: 1450 - total flux cleaned = 0.000365426 Jy ! Component: 1500 - total flux cleaned = 0.000387101 Jy ! Component: 1550 - total flux cleaned = 0.000376306 Jy ! Component: 1600 - total flux cleaned = 0.000408223 Jy ! Component: 1650 - total flux cleaned = 0.000408125 Jy ! Component: 1700 - total flux cleaned = 0.000408069 Jy ! Component: 1750 - total flux cleaned = 0.000428712 Jy ! Component: 1800 - total flux cleaned = 0.000459469 Jy ! Component: 1850 - total flux cleaned = 0.000459554 Jy ! Component: 1900 - total flux cleaned = 0.000509489 Jy ! Component: 1950 - total flux cleaned = 0.000509582 Jy ! Component: 2000 - total flux cleaned = 0.000539014 Jy ! Component: 2050 - total flux cleaned = 0.000587428 Jy ! Component: 2100 - total flux cleaned = 0.000616176 Jy ! Component: 2150 - total flux cleaned = 0.000635141 Jy ! Component: 2200 - total flux cleaned = 0.000644572 Jy ! Component: 2250 - total flux cleaned = 0.000663341 Jy ! Component: 2300 - total flux cleaned = 0.000691118 Jy ! Component: 2350 - total flux cleaned = 0.000700226 Jy ! Component: 2400 - total flux cleaned = 0.000709406 Jy ! Component: 2450 - total flux cleaned = 0.000727629 Jy ! Component: 2500 - total flux cleaned = 0.000763424 Jy ! Component: 2550 - total flux cleaned = 0.000736712 Jy ! Component: 2600 - total flux cleaned = 0.000754414 Jy ! Component: 2650 - total flux cleaned = 0.00076322 Jy ! Component: 2700 - total flux cleaned = 0.000754426 Jy ! Component: 2750 - total flux cleaned = 0.000737241 Jy ! Component: 2800 - total flux cleaned = 0.000737263 Jy ! Component: 2850 - total flux cleaned = 0.000720262 Jy ! Component: 2900 - total flux cleaned = 0.000728698 Jy ! Component: 2950 - total flux cleaned = 0.000711916 Jy ! Component: 3000 - total flux cleaned = 0.000703581 Jy ! Component: 3050 - total flux cleaned = 0.000728353 Jy ! Component: 3100 - total flux cleaned = 0.000736447 Jy ! Component: 3150 - total flux cleaned = 0.000671275 Jy ! Component: 3200 - total flux cleaned = 0.000687438 Jy ! Component: 3250 - total flux cleaned = 0.000671325 Jy ! Component: 3300 - total flux cleaned = 0.000671286 Jy ! Component: 3350 - total flux cleaned = 0.000671308 Jy ! Component: 3400 - total flux cleaned = 0.000647667 Jy ! Component: 3450 - total flux cleaned = 0.000639871 Jy ! Component: 3500 - total flux cleaned = 0.000671053 Jy ! Component: 3550 - total flux cleaned = 0.000632316 Jy ! Component: 3600 - total flux cleaned = 0.000624625 Jy ! Component: 3650 - total flux cleaned = 0.000616952 Jy ! Component: 3700 - total flux cleaned = 0.000609416 Jy ! Component: 3750 - total flux cleaned = 0.000601898 Jy ! Component: 3800 - total flux cleaned = 0.000571885 Jy ! Component: 3850 - total flux cleaned = 0.000556989 Jy ! Component: 3900 - total flux cleaned = 0.00052738 Jy ! Component: 3950 - total flux cleaned = 0.000505199 Jy ! Component: 4000 - total flux cleaned = 0.000461221 Jy ! Component: 4050 - total flux cleaned = 0.000483102 Jy ! Total flux subtracted in 4096 components = 0.000446895 Jy ! Clean residual min=-0.000494 max=0.000397 Jy/beam ! Clean residual mean=0.000000 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.184004 Jy keep ! Adding 325 model components to the UV plane model. ! The established model now contains 485 components and 0.184004 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1957+3338_C_20180605_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.608 x 4.23 at -14.07 degrees (North through East) ! Clean map min=-0.00074996 max=0.14041 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1957+3338_C_20180605_map.fits wmodel /tmp/maps//J1957+3338_C_20180605_map.mod ! Writing 485 model components to file: /tmp/maps//J1957+3338_C_20180605_map.mod wobs /tmp/maps//J1957+3338_C_20180605_uvs.fits ! Writing UV FITS file: /tmp/maps//J1957+3338_C_20180605_uvs.fits wwins /tmp/maps//J1957+3338_C_20180605_map.win ! wwins: Wrote 7 windows to /tmp/maps//J1957+3338_C_20180605_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.140414 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000132489 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.283067 0.283067 0.566134 1.13227 2.26454 4.52907 9.05815 18.1163 36.2326 72.4652 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.14 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1059.82 quit ! Quitting program ! Log file /tmp/maps//J1957+3338_C_20180605_dfm.log closed on Wed Jul 4 23:41:23 2018