! Started logfile: /vlbi/bs262/maps//J0837+5825_C_20180429_dfm.log on Mon Jun 4 23:27:33 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 /vlbi/bs262/maps//J0837+5825_C_20180429_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0837+5825_C_20180429_uva.fits ! AN table 1: 21 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.952381 visibilities/baseline/integration-bin. ! Found source: J0837+5825 ! ! 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 76 lines of history. ! ! Reading 4480 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 J0837+5825_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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.242624Jy sigma=29.473989 ! Fit after self-cal, rms=0.315002Jy sigma=7.396658 ! 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=1.29 mas, bmaj=4.812 mas, bpa=-11.86 degrees ! Estimated noise=0.708607 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 = 0.524895 Jy ! Component: 100 - total flux cleaned = 0.664538 Jy ! Total flux subtracted in 100 components = 0.664538 Jy ! Clean residual min=-0.038501 max=0.062841 Jy/beam ! Clean residual mean=-0.000011 rms=0.008824 Jy/beam ! Combined flux in latest and established models = 0.664538 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.664538 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=0.179329Jy sigma=3.941735 ! Fit after self-cal, rms=0.178889Jy sigma=3.936927 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0698694 Jy ! Component: 100 - total flux cleaned = 0.107231 Jy ! Total flux subtracted in 100 components = 0.107231 Jy ! Clean residual min=-0.023547 max=0.027103 Jy/beam ! Clean residual mean=-0.000007 rms=0.006259 Jy/beam ! Combined flux in latest and established models = 0.77177 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 8 components and 0.77177 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=0.134314Jy sigma=2.850396 ! Fit after self-cal, rms=0.134304Jy sigma=2.847966 ! 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=1.669 mas, bmaj=4.967 mas, bpa=-12.46 degrees ! Estimated noise=0.456007 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 = 0.0338395 Jy ! Component: 100 - total flux cleaned = 0.0500688 Jy ! Component: 150 - total flux cleaned = 0.0609189 Jy ! Component: 200 - total flux cleaned = 0.0681624 Jy ! Total flux subtracted in 200 components = 0.0681624 Jy ! Clean residual min=-0.026529 max=0.032634 Jy/beam ! Clean residual mean=-0.000022 rms=0.006223 Jy/beam ! Combined flux in latest and established models = 0.839932 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.839932 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=0.124861Jy sigma=2.656267 ! Fit after self-cal, rms=0.124877Jy sigma=2.655692 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.669 x 4.967 at -12.46 degrees (North through East) ! Clean map min=-0.025668 max=0.72762 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 HN 1.02 KP 0.93 ! LA 0.99 MK 0.96 NL 1.06 OV 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.93 HN 1.02 KP 0.92 ! LA 0.99 MK 0.95 NL 1.07 OV 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.92 HN 1.04 KP 0.93 ! LA 0.98 MK 0.96 NL 1.07 OV 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 HN 1.04 KP 0.92 ! LA 0.99 MK 0.96 NL 1.07 OV 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.04 KP 0.93 ! LA 1.00 MK 0.96 NL 1.09 OV 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.94 HN 1.04 KP 0.94 ! LA 1.01 MK 0.99 NL 1.09 OV 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 1.05 KP 0.94 ! LA 1.01 MK 0.97 NL 1.09 OV 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.95 HN 1.05 KP 0.94 ! LA 1.01 MK 0.99 NL 1.10 OV 1.00 ! ! ! Fit before self-cal, rms=0.124877Jy sigma=2.655692 ! Fit after self-cal, rms=0.114906Jy sigma=2.320849 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.672 mas, bmaj=4.941 mas, bpa=-12.15 degrees ! Estimated noise=0.453321 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 (4.5, 0.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0139593 Jy ! Component: 100 - total flux cleaned = 0.0154053 Jy ! Component: 150 - total flux cleaned = 0.015759 Jy ! Component: 200 - total flux cleaned = 0.0167322 Jy ! Total flux subtracted in 200 components = 0.0167322 Jy ! Clean residual min=-0.011324 max=0.012115 Jy/beam ! Clean residual mean=0.000000 rms=0.002571 Jy/beam ! Combined flux in latest and established models = 0.856664 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 42 components and 0.856664 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=0.110707Jy sigma=2.203467 ! Fit after self-cal, rms=0.110553Jy sigma=2.198956 ! 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=0.110553Jy sigma=2.198956 ! Fit after self-cal, rms=0.110422Jy sigma=2.197436 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.671 mas, bmaj=4.943 mas, bpa=-12.15 degrees ! Estimated noise=0.452377 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00694207 Jy ! Component: 100 - total flux cleaned = 0.00619161 Jy ! Component: 150 - total flux cleaned = 0.00465738 Jy ! Component: 200 - total flux cleaned = 0.00407422 Jy ! Total flux subtracted in 200 components = 0.00407422 Jy ! Clean residual min=-0.011055 max=0.010855 Jy/beam ! Clean residual mean=0.000000 rms=0.002348 Jy/beam ! Combined flux in latest and established models = 0.860738 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 64 components and 0.860738 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=0.109493Jy sigma=2.168289 ! Fit after self-cal, rms=0.109393Jy sigma=2.166953 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 = 0.00116616 Jy ! Component: 100 - total flux cleaned = 0.000164283 Jy ! Component: 150 - total flux cleaned = -0.000887971 Jy ! Component: 200 - total flux cleaned = -0.00143571 Jy ! Total flux subtracted in 200 components = -0.00143571 Jy ! Clean residual min=-0.010446 max=0.010213 Jy/beam ! Clean residual mean=-0.000000 rms=0.002257 Jy/beam ! Combined flux in latest and established models = 0.859303 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 83 components and 0.859303 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=0.109030Jy sigma=2.154647 ! Fit after self-cal, rms=0.108989Jy sigma=2.154240 ! 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=0.108989Jy sigma=2.154240 ! Fit after self-cal, rms=0.109075Jy sigma=2.127708 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.673 mas, bmaj=4.944 mas, bpa=-12.15 degrees ! Estimated noise=0.453113 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000429789 Jy ! Component: 100 - total flux cleaned = -0.00143806 Jy ! Component: 150 - total flux cleaned = -0.00189709 Jy ! Component: 200 - total flux cleaned = -0.00221651 Jy ! Total flux subtracted in 200 components = -0.00221651 Jy ! Clean residual min=-0.009404 max=0.009306 Jy/beam ! Clean residual mean=-0.000001 rms=0.002073 Jy/beam ! Combined flux in latest and established models = 0.857086 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 98 components and 0.857086 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=0.108897Jy sigma=2.120111 ! Fit after self-cal, rms=0.108874Jy sigma=2.119899 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 = -0.000654681 Jy ! Component: 100 - total flux cleaned = -0.000750181 Jy ! Component: 150 - total flux cleaned = -0.000842497 Jy ! Component: 200 - total flux cleaned = -0.00109948 Jy ! Total flux subtracted in 200 components = -0.00109948 Jy ! Clean residual min=-0.009456 max=0.009116 Jy/beam ! Clean residual mean=-0.000001 rms=0.002047 Jy/beam ! Combined flux in latest and established models = 0.855987 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 108 components and 0.855987 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=0.108781Jy sigma=2.115334 ! Fit after self-cal, rms=0.108765Jy sigma=2.115216 ! 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=0.108765Jy sigma=2.115216 ! Fit after self-cal, rms=0.108666Jy sigma=2.094353 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.463 mas, bmaj=5.246 mas, bpa=-17.48 degrees ! Estimated noise=0.556832 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.4841e-05 Jy ! Component: 100 - total flux cleaned = -0.000126637 Jy ! Component: 150 - total flux cleaned = -0.000392067 Jy ! Component: 200 - total flux cleaned = -0.000484962 Jy ! Total flux subtracted in 200 components = -0.000484962 Jy ! Clean residual min=-0.006043 max=0.006403 Jy/beam ! Clean residual mean=-0.000001 rms=0.001601 Jy/beam ! Combined flux in latest and established models = 0.855502 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 129 components and 0.855502 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=0.108628Jy sigma=2.092695 ! Fit after self-cal, rms=0.108618Jy sigma=2.092594 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 = -0.000564703 Jy ! Component: 100 - total flux cleaned = -0.000754112 Jy ! Component: 150 - total flux cleaned = -0.000821808 Jy ! Component: 200 - total flux cleaned = -0.000853501 Jy ! Total flux subtracted in 200 components = -0.000853501 Jy ! Clean residual min=-0.005992 max=0.006317 Jy/beam ! Clean residual mean=-0.000001 rms=0.001600 Jy/beam ! Combined flux in latest and established models = 0.854648 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 140 components and 0.854648 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=0.108613Jy sigma=2.091814 ! Fit after self-cal, rms=0.108607Jy sigma=2.091783 ! 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=1.674 mas, bmaj=4.946 mas, bpa=-12.16 degrees ! Estimated noise=0.453203 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.674 x 4.946 at -12.16 degrees (North through East) ! Clean map min=-0.0085696 max=0.72266 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.108607Jy sigma=2.091783 ! Fit after self-cal, rms=0.570843Jy sigma=0.729317 ! Inverting map and beam ! Estimated beam: bmin=1.689 mas, bmaj=4.948 mas, bpa=-11.99 degrees ! Estimated noise=0.455392 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00421504 Jy ! Component: 100 - total flux cleaned = -0.00662687 Jy ! Component: 150 - total flux cleaned = -0.00693149 Jy ! Component: 200 - total flux cleaned = -0.00694223 Jy ! Total flux subtracted in 200 components = -0.00694223 Jy ! Clean residual min=-0.004645 max=0.004539 Jy/beam ! Clean residual mean=-0.000001 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.847706 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 155 components and 0.847706 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=0.570884Jy sigma=0.679488 ! Fit after self-cal, rms=0.571141Jy sigma=0.678143 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000838371 Jy ! Component: 100 - total flux cleaned = -0.000841633 Jy ! Component: 150 - total flux cleaned = -0.000838653 Jy ! Component: 200 - total flux cleaned = -0.000747818 Jy ! Total flux subtracted in 200 components = -0.000747818 Jy ! Clean residual min=-0.003992 max=0.003844 Jy/beam ! Clean residual mean=-0.000001 rms=0.000728 Jy/beam ! Combined flux in latest and established models = 0.846958 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 173 components and 0.846958 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=0.571151Jy sigma=0.661315 ! Fit after self-cal, rms=0.571256Jy sigma=0.660639 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.571256Jy sigma=0.660639 ! Fit after self-cal, rms=0.564823Jy sigma=0.656598 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=1.305 mas, bmaj=4.784 mas, bpa=-11.26 degrees ! Estimated noise=0.717989 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.531805 Jy ! Component: 100 - total flux cleaned = 0.668173 Jy ! Component: 150 - total flux cleaned = 0.734291 Jy ! Component: 200 - total flux cleaned = 0.769947 Jy ! Total flux subtracted in 200 components = 0.769947 Jy ! Clean residual min=-0.011341 max=0.017145 Jy/beam ! Clean residual mean=-0.000004 rms=0.002612 Jy/beam ! Combined flux in latest and established models = 0.769947 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.769947 Jy ! Inverting map and beam ! Estimated beam: bmin=1.688 mas, bmaj=4.953 mas, bpa=-11.96 degrees ! Estimated noise=0.455121 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 = 0.0312719 Jy ! Component: 100 - total flux cleaned = 0.0502496 Jy ! Component: 150 - total flux cleaned = 0.0626461 Jy ! Component: 200 - total flux cleaned = 0.069595 Jy ! Total flux subtracted in 200 components = 0.069595 Jy ! Clean residual min=-0.005380 max=0.006695 Jy/beam ! Clean residual mean=-0.000003 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 0.839542 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 37 components and 0.839542 Jy ! Inverting map ! Added new window around map position (-2.1, 23.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00527293 Jy ! Component: 100 - total flux cleaned = 0.00852084 Jy ! Component: 150 - total flux cleaned = 0.00994631 Jy ! Component: 200 - total flux cleaned = 0.0109921 Jy ! Total flux subtracted in 200 components = 0.0109921 Jy ! Clean residual min=-0.002994 max=0.003837 Jy/beam ! Clean residual mean=-0.000001 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 0.850534 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 67 components and 0.850534 Jy ! Inverting map ! Added new window around map position (6.3, -24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168866 Jy ! Component: 100 - total flux cleaned = 0.00238743 Jy ! Component: 150 - total flux cleaned = 0.00268639 Jy ! Component: 200 - total flux cleaned = 0.00268511 Jy ! Total flux subtracted in 200 components = 0.00268511 Jy ! Clean residual min=-0.002247 max=0.002692 Jy/beam ! Clean residual mean=-0.000000 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.853219 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 95 components and 0.853219 Jy ! Inverting map ! Added new window around map position (19.5, -24.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207758 Jy ! Component: 100 - total flux cleaned = 0.00215532 Jy ! Component: 150 - total flux cleaned = 0.00176368 Jy ! Component: 200 - total flux cleaned = 0.00135477 Jy ! Total flux subtracted in 200 components = 0.00135477 Jy ! Clean residual min=-0.002040 max=0.002308 Jy/beam ! Clean residual mean=0.000000 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.854574 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 122 components and 0.854573 Jy ! Inverting map ! Added new window around map position (7.5, 49.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.72304e-05 Jy ! Component: 100 - total flux cleaned = -0.000110473 Jy ! Component: 150 - total flux cleaned = -0.000158615 Jy ! Component: 200 - total flux cleaned = -0.00011351 Jy ! Total flux subtracted in 200 components = -0.00011351 Jy ! Clean residual min=-0.001743 max=0.001881 Jy/beam ! Clean residual mean=-0.000000 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.85446 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 148 components and 0.85446 Jy ! Inverting map ! Added new window around map position (-15.3, -14.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000610828 Jy ! Component: 100 - total flux cleaned = 9.4482e-05 Jy ! Component: 150 - total flux cleaned = -7.53355e-05 Jy ! Component: 200 - total flux cleaned = -0.000230965 Jy ! Total flux subtracted in 200 components = -0.000230965 Jy ! Clean residual min=-0.001513 max=0.001514 Jy/beam ! Clean residual mean=-0.000000 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.854229 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 173 components and 0.854229 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=3.464 mas, bmaj=5.256 mas, bpa=-17.41 degrees ! Estimated noise=0.557255 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.64662e-05 Jy ! Component: 100 - total flux cleaned = -0.000108471 Jy ! Component: 150 - total flux cleaned = -0.000137011 Jy ! Component: 200 - total flux cleaned = -0.000192802 Jy ! Total flux subtracted in 200 components = -0.000192802 Jy ! Clean residual min=-0.001307 max=0.001416 Jy/beam ! Clean residual mean=-0.000001 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.854036 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 = -2.66734e-05 Jy ! Component: 100 - total flux cleaned = -3.03437e-06 Jy ! Component: 150 - total flux cleaned = -9.41701e-05 Jy ! Component: 200 - total flux cleaned = -7.2255e-05 Jy ! Total flux subtracted in 200 components = -7.2255e-05 Jy ! Clean residual min=-0.001246 max=0.001316 Jy/beam ! Clean residual mean=-0.000001 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.853964 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 231 components and 0.853964 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.688 mas, bmaj=4.953 mas, bpa=-11.96 degrees ! Estimated noise=0.455121 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000643212 Jy ! Component: 100 - total flux cleaned = -0.000923717 Jy ! Component: 150 - total flux cleaned = -0.0010988 Jy ! Component: 200 - total flux cleaned = -0.00126365 Jy ! Total flux subtracted in 200 components = -0.00126365 Jy ! Clean residual min=-0.001380 max=0.001290 Jy/beam ! Clean residual mean=-0.000001 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.8527 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 250 components and 0.852701 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=0.564728Jy sigma=0.614487 ! Fit after self-cal, rms=0.565459Jy sigma=0.612774 wmodel J0837+5825_C_map.mod ! Writing 250 model components to file: J0837+5825_C_map.mod wobs J0837+5825_C_uvs.fits ! Writing UV FITS file: J0837+5825_C_uvs.fits wwins J0837+5825_C_map.win ! wwins: Wrote 7 windows to J0837+5825_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 = 8.27288e-05 Jy ! Component: 100 - total flux cleaned = 6.09875e-05 Jy ! Component: 150 - total flux cleaned = 3.85562e-05 Jy ! Component: 200 - total flux cleaned = 7.82925e-05 Jy ! Component: 250 - total flux cleaned = 0.000136216 Jy ! Component: 300 - total flux cleaned = 0.000230058 Jy ! Component: 350 - total flux cleaned = 0.000248146 Jy ! Component: 400 - total flux cleaned = 0.000301298 Jy ! Component: 450 - total flux cleaned = 0.000335411 Jy ! Component: 500 - total flux cleaned = 0.000318264 Jy ! Component: 550 - total flux cleaned = 0.000401755 Jy ! Component: 600 - total flux cleaned = 0.00049965 Jy ! Component: 650 - total flux cleaned = 0.000612112 Jy ! Component: 700 - total flux cleaned = 0.000690929 Jy ! Component: 750 - total flux cleaned = 0.000815094 Jy ! Component: 800 - total flux cleaned = 0.00092205 Jy ! Component: 850 - total flux cleaned = 0.00102754 Jy ! Component: 900 - total flux cleaned = 0.00116131 Jy ! Component: 950 - total flux cleaned = 0.00122005 Jy ! Component: 1000 - total flux cleaned = 0.00133551 Jy ! Component: 1050 - total flux cleaned = 0.00142054 Jy ! Component: 1100 - total flux cleaned = 0.00149085 Jy ! Component: 1150 - total flux cleaned = 0.00156022 Jy ! Component: 1200 - total flux cleaned = 0.00165596 Jy ! Component: 1250 - total flux cleaned = 0.00175045 Jy ! Component: 1300 - total flux cleaned = 0.00183008 Jy ! Component: 1350 - total flux cleaned = 0.00188253 Jy ! Component: 1400 - total flux cleaned = 0.00199954 Jy ! Component: 1450 - total flux cleaned = 0.00201237 Jy ! Component: 1500 - total flux cleaned = 0.00211365 Jy ! Component: 1550 - total flux cleaned = 0.00220129 Jy ! Component: 1600 - total flux cleaned = 0.00223827 Jy ! Component: 1650 - total flux cleaned = 0.00228739 Jy ! Component: 1700 - total flux cleaned = 0.00239667 Jy ! Component: 1750 - total flux cleaned = 0.00248077 Jy ! Component: 1800 - total flux cleaned = 0.0025401 Jy ! Component: 1850 - total flux cleaned = 0.00262259 Jy ! Component: 1900 - total flux cleaned = 0.0027041 Jy ! Component: 1950 - total flux cleaned = 0.00275021 Jy ! Component: 2000 - total flux cleaned = 0.00280736 Jy ! Component: 2050 - total flux cleaned = 0.00287513 Jy ! Component: 2100 - total flux cleaned = 0.00294234 Jy ! Component: 2150 - total flux cleaned = 0.00298682 Jy ! Component: 2200 - total flux cleaned = 0.00307513 Jy ! Component: 2250 - total flux cleaned = 0.00312974 Jy ! Component: 2300 - total flux cleaned = 0.00315127 Jy ! Component: 2350 - total flux cleaned = 0.00322648 Jy ! Component: 2400 - total flux cleaned = 0.00322656 Jy ! Component: 2450 - total flux cleaned = 0.00330049 Jy ! Component: 2500 - total flux cleaned = 0.00333204 Jy ! Component: 2550 - total flux cleaned = 0.0033737 Jy ! Component: 2600 - total flux cleaned = 0.00344593 Jy ! Component: 2650 - total flux cleaned = 0.00345623 Jy ! Component: 2700 - total flux cleaned = 0.00349696 Jy ! Component: 2750 - total flux cleaned = 0.00351711 Jy ! Component: 2800 - total flux cleaned = 0.00353718 Jy ! Component: 2850 - total flux cleaned = 0.00355718 Jy ! Component: 2900 - total flux cleaned = 0.00358689 Jy ! Component: 2950 - total flux cleaned = 0.00361632 Jy ! Component: 3000 - total flux cleaned = 0.00366507 Jy ! Component: 3050 - total flux cleaned = 0.00367477 Jy ! Component: 3100 - total flux cleaned = 0.00372274 Jy ! Component: 3150 - total flux cleaned = 0.00371317 Jy ! Component: 3200 - total flux cleaned = 0.00376048 Jy ! Component: 3250 - total flux cleaned = 0.0037511 Jy ! Component: 3300 - total flux cleaned = 0.00379782 Jy ! Component: 3350 - total flux cleaned = 0.00384412 Jy ! Component: 3400 - total flux cleaned = 0.00382563 Jy ! Component: 3450 - total flux cleaned = 0.00384394 Jy ! Component: 3500 - total flux cleaned = 0.00383489 Jy ! Component: 3550 - total flux cleaned = 0.00385296 Jy ! Component: 3600 - total flux cleaned = 0.00387084 Jy ! Component: 3650 - total flux cleaned = 0.00382625 Jy ! Component: 3700 - total flux cleaned = 0.00385308 Jy ! Component: 3750 - total flux cleaned = 0.00387084 Jy ! Component: 3800 - total flux cleaned = 0.00387086 Jy ! Component: 3850 - total flux cleaned = 0.00390577 Jy ! Component: 3900 - total flux cleaned = 0.00388832 Jy ! Component: 3950 - total flux cleaned = 0.00390549 Jy ! Component: 4000 - total flux cleaned = 0.00387121 Jy ! Component: 4050 - total flux cleaned = 0.00388833 Jy ! Total flux subtracted in 4096 components = 0.00389686 Jy ! Clean residual min=-0.000502 max=0.000554 Jy/beam ! Clean residual mean=-0.000000 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.856598 Jy keep ! Adding 272 model components to the UV plane model. ! The established model now contains 522 components and 0.856598 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0837+5825_C_20180429_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.688 x 4.953 at -11.96 degrees (North through East) ! Clean map min=-0.0039024 max=0.72305 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0837+5825_C_20180429_map.fits wmodel /vlbi/bs262/maps//J0837+5825_C_20180429_map.mod ! Writing 522 model components to file: /vlbi/bs262/maps//J0837+5825_C_20180429_map.mod wobs /vlbi/bs262/maps//J0837+5825_C_20180429_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0837+5825_C_20180429_uvs.fits wwins /vlbi/bs262/maps//J0837+5825_C_20180429_map.win ! wwins: Wrote 8 windows to /vlbi/bs262/maps//J0837+5825_C_20180429_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.723046 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000153064 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.063508 0.063508 0.127016 0.254032 0.508064 1.01613 2.03226 4.06451 8.12903 16.2581 32.5161 65.0322 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.723 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4723.81 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0837+5825_C_20180429_dfm.log closed on Mon Jun 4 23:27:37 2018