! Started logfile: /vlbi/uf001/uvm//J1901+8623_X_a_dfm.log on Sun Jan 13 22:19:05 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uvm//J1901+8623_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1901+8623_X_a_uvm.fits ! AN table 1: 146 integrations on 21 of 21 possible baselines. ! AN table 2: 98 integrations on 15 of 15 possible baselines. ! AN table 3: 49 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.874787 visibilities/baseline/integration-bin. ! Found source: J1901+8623 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 55332 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1901+8623_X_a] 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 0.200x0.200 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 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 9. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 10. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 11. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 12. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.001169Jy sigma=23.933254 ! Fit after self-cal, rms=0.969707Jy sigma=23.198446 ! 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=1.384 mas, bmaj=2.386 mas, bpa=37.68 degrees ! Estimated noise=0.337772 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 = 0.0232177 Jy ! Component: 100 - total flux cleaned = 0.0290574 Jy ! Total flux subtracted in 100 components = 0.0290574 Jy ! Clean residual min=-0.002155 max=0.002622 Jy/beam ! Clean residual mean=-0.000004 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.0290574 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0290574 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.049398Jy sigma=1.129465 ! Fit after self-cal, rms=0.047928Jy sigma=1.094769 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00445652 Jy ! Component: 100 - total flux cleaned = 0.00717202 Jy ! Total flux subtracted in 100 components = 0.00717202 Jy ! Clean residual min=-0.001783 max=0.001792 Jy/beam ! Clean residual mean=-0.000003 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.0362295 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 24 components and 0.0362295 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047319Jy sigma=1.081157 ! Fit after self-cal, rms=0.047252Jy sigma=1.080256 ! 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=1.823 mas, bmaj=2.716 mas, bpa=34.98 degrees ! Estimated noise=0.128139 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 = 0.00368261 Jy ! Component: 100 - total flux cleaned = 0.00601041 Jy ! Component: 150 - total flux cleaned = 0.00762057 Jy ! Component: 200 - total flux cleaned = 0.00875182 Jy ! Total flux subtracted in 200 components = 0.00875182 Jy ! Clean residual min=-0.001318 max=0.001999 Jy/beam ! Clean residual mean=-0.000000 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.0449813 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 59 components and 0.0449813 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.046917Jy sigma=1.072395 ! Fit after self-cal, rms=0.046812Jy sigma=1.070712 ! Inverting map ! Added new window around map position (3.6, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207529 Jy ! Component: 100 - total flux cleaned = 0.00333673 Jy ! Component: 150 - total flux cleaned = 0.00425562 Jy ! Component: 200 - total flux cleaned = 0.00496166 Jy ! Total flux subtracted in 200 components = 0.00496166 Jy ! Clean residual min=-0.001157 max=0.001223 Jy/beam ! Clean residual mean=0.000000 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.0499429 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 107 components and 0.0499429 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.046708Jy sigma=1.068057 ! Fit after self-cal, rms=0.046650Jy sigma=1.067140 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.823 x 2.716 at 34.98 degrees (North through East) ! Clean map min=-0.0011278 max=0.031344 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 1.11 KP 0.95 LA 0.97 ! NL 1.15 OV 1.04 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.15 KP 1.04 LA 0.93 ! NL 1.23 PT 0.94 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.02 HN 1.23 KP 1.11 LA 0.98 ! NL 1.21 PT 0.84 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 HN 1.22 KP 0.95 LA 0.99 ! NL 1.16 OV 0.99 PT 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.10 KP 1.03 LA 0.99 ! NL 1.20 PT 0.93 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.11 HN 1.12 KP 0.99 LA 1.04 ! NL 1.26 PT 0.86 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.19 KP 0.97 LA 1.00 ! NL 1.10 OV 1.06 PT 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.03 KP 1.10 LA 1.06 ! NL 1.16 PT 0.90 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.03 HN 1.05 KP 1.12 LA 1.09 ! NL 1.18 PT 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.07 KP 1.04 LA 1.00 ! NL 1.18 OV 1.03 PT 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.16 FD 1.06 KP 1.11 LA 0.98 ! NL 1.18 PT 0.92 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.92 HN 0.97 KP 1.26 LA 1.11 ! NL 1.18 PT 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.10 KP 1.00 LA 1.01 ! NL 1.10 OV 1.05 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.12 KP 1.09 LA 0.95 ! NL 1.09 PT 0.92 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.00 HN 1.07 KP 1.17 LA 1.00 ! NL 1.25 PT 0.91 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.04 KP 1.09 LA 1.04 ! NL 1.05 OV 1.04 PT 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.04 KP 1.13 LA 0.98 ! NL 1.09 PT 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 HN 0.96 KP 1.20 LA 1.02 ! NL 1.24 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.00 KP 1.08 LA 0.99 ! NL 1.09 OV 0.96 PT 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.06 KP 1.11 LA 0.99 ! NL 1.19 PT 0.90 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.02 HN 0.91 KP 1.07 LA 1.06 ! NL 1.12 PT 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 1.01 KP 1.08 LA 1.05 ! NL 1.10 OV 0.96 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.08 KP 1.11 LA 0.95 ! NL 1.09 PT 0.90 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.08 HN 0.94 KP 1.20 LA 1.01 ! NL 1.18 PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 0.97 KP 1.02 LA 1.07 ! NL 1.07 OV 0.97 PT 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.04 KP 1.10 LA 0.99 ! NL 1.06 PT 0.84 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.05 HN 0.90 KP 1.06 LA 1.00 ! NL 1.04 PT 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 0.88 KP 1.02 LA 1.01 ! NL 1.14 OV 0.94 PT 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.97 KP 1.01 LA 0.96 ! NL 1.08 PT 0.92 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.97 HN 0.91 KP 1.05 LA 1.07 ! NL 0.98 PT 0.89 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 0.92 KP 1.00 LA 1.02 ! NL 1.01 OV 0.97 PT 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 1.01 KP 0.98 LA 1.03 ! NL 1.03 PT 0.89 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 HN 0.82 KP 1.00 LA 1.04 ! NL 1.07 PT 0.84 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 0.93 KP 0.92 LA 1.08 ! NL 1.01 OV 0.94 PT 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.90 KP 0.96 LA 1.00 ! NL 0.92 PT 0.93 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.87 HN 0.81 KP 1.06 LA 1.05 ! NL 1.17 PT 0.81 ! ! ! Fit before self-cal, rms=0.046650Jy sigma=1.067140 ! Fit after self-cal, rms=0.047091Jy sigma=1.062767 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.828 mas, bmaj=2.747 mas, bpa=34.23 degrees ! Estimated noise=0.130166 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 = 0.000829935 Jy ! Component: 100 - total flux cleaned = 0.000950156 Jy ! Component: 150 - total flux cleaned = 0.00098157 Jy ! Component: 200 - total flux cleaned = 0.00100818 Jy ! Total flux subtracted in 200 components = 0.00100818 Jy ! Clean residual min=-0.000662 max=0.000648 Jy/beam ! Clean residual mean=-0.000001 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0509511 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 132 components and 0.0509511 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047074Jy sigma=1.062337 ! Fit after self-cal, rms=0.047152Jy sigma=1.060919 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047152Jy sigma=1.060919 ! Fit after self-cal, rms=0.047859Jy sigma=1.059094 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.818 mas, bmaj=2.763 mas, bpa=34.12 degrees ! Estimated noise=0.130433 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000535096 Jy ! Component: 100 - total flux cleaned = 0.000723768 Jy ! Component: 150 - total flux cleaned = 0.00075633 Jy ! Component: 200 - total flux cleaned = 0.000774987 Jy ! Total flux subtracted in 200 components = 0.000774987 Jy ! Clean residual min=-0.000564 max=0.000584 Jy/beam ! Clean residual mean=-0.000001 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.0517261 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 146 components and 0.0517261 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047851Jy sigma=1.058914 ! Fit after self-cal, rms=0.047932Jy sigma=1.058250 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 (-30.4, -18.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000546484 Jy ! Component: 100 - total flux cleaned = 0.000859877 Jy ! Component: 150 - total flux cleaned = 0.00100706 Jy ! Component: 200 - total flux cleaned = 0.00106771 Jy ! Total flux subtracted in 200 components = 0.00106771 Jy ! Clean residual min=-0.000574 max=0.000480 Jy/beam ! Clean residual mean=-0.000001 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0527938 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 172 components and 0.0527938 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047924Jy sigma=1.058062 ! Fit after self-cal, rms=0.047924Jy sigma=1.057981 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047924Jy sigma=1.057981 ! Fit after self-cal, rms=0.048217Jy sigma=1.057806 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.809 mas, bmaj=2.763 mas, bpa=34.07 degrees ! Estimated noise=0.130331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000470737 Jy ! Component: 100 - total flux cleaned = 0.000766213 Jy ! Component: 150 - total flux cleaned = 0.000911898 Jy ! Component: 200 - total flux cleaned = 0.000974597 Jy ! Total flux subtracted in 200 components = 0.000974597 Jy ! Clean residual min=-0.000519 max=0.000479 Jy/beam ! Clean residual mean=-0.000001 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.0537684 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 178 components and 0.0537684 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.048211Jy sigma=1.057658 ! Fit after self-cal, rms=0.048248Jy sigma=1.057501 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 = 0.000346579 Jy ! Component: 100 - total flux cleaned = 0.000472752 Jy ! Component: 150 - total flux cleaned = 0.000491567 Jy ! Component: 200 - total flux cleaned = 0.000491965 Jy ! Total flux subtracted in 200 components = 0.000491965 Jy ! Clean residual min=-0.000546 max=0.000451 Jy/beam ! Clean residual mean=-0.000001 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0542604 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 187 components and 0.0542604 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.048243Jy sigma=1.057412 ! Fit after self-cal, rms=0.048241Jy sigma=1.057343 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.048241Jy sigma=1.057343 ! Fit after self-cal, rms=0.048323Jy sigma=1.057279 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.702 mas, bmaj=3.11 mas, bpa=27.16 degrees ! Estimated noise=0.140075 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000388328 Jy ! Component: 100 - total flux cleaned = 0.000549609 Jy ! Component: 150 - total flux cleaned = 0.000647098 Jy ! Component: 200 - total flux cleaned = 0.000688318 Jy ! Total flux subtracted in 200 components = 0.000688318 Jy ! Clean residual min=-0.000528 max=0.000462 Jy/beam ! Clean residual mean=-0.000001 rms=0.000123 Jy/beam ! Combined flux in latest and established models = 0.0549487 Jy selfcal ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 228 components and 0.0549487 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.048319Jy sigma=1.057194 ! Fit after self-cal, rms=0.048334Jy sigma=1.057154 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 = 0.000161372 Jy ! Component: 100 - total flux cleaned = 0.00021804 Jy ! Component: 150 - total flux cleaned = 0.00024597 Jy ! Component: 200 - total flux cleaned = 0.000264239 Jy ! Total flux subtracted in 200 components = 0.000264239 Jy ! Clean residual min=-0.000532 max=0.000443 Jy/beam ! Clean residual mean=-0.000001 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0552129 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 248 components and 0.0552129 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.048332Jy sigma=1.057114 ! Fit after self-cal, rms=0.048332Jy sigma=1.057068 ! 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=1.803 mas, bmaj=2.761 mas, bpa=34.06 degrees ! Estimated noise=0.130166 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.803 x 2.761 at 34.06 degrees (North through East) ! Clean map min=-0.0005095 max=0.031393 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=1.362 mas, bmaj=2.418 mas, bpa=37.06 degrees ! Estimated noise=0.344015 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0244783 Jy ! Component: 100 - total flux cleaned = 0.0308347 Jy ! Component: 150 - total flux cleaned = 0.0347902 Jy ! Component: 200 - total flux cleaned = 0.0378262 Jy ! Total flux subtracted in 200 components = 0.0378262 Jy ! Clean residual min=-0.001955 max=0.001819 Jy/beam ! Clean residual mean=-0.000004 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.0378262 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0378262 Jy ! Inverting map and beam ! Estimated beam: bmin=1.803 mas, bmaj=2.761 mas, bpa=34.06 degrees ! Estimated noise=0.130166 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 = 0.00435974 Jy ! Component: 100 - total flux cleaned = 0.00718858 Jy ! Component: 150 - total flux cleaned = 0.00924166 Jy ! Component: 200 - total flux cleaned = 0.0108162 Jy ! Total flux subtracted in 200 components = 0.0108162 Jy ! Clean residual min=-0.000804 max=0.000938 Jy/beam ! Clean residual mean=-0.000002 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0486424 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 88 components and 0.0486424 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.702 mas, bmaj=3.11 mas, bpa=27.16 degrees ! Estimated noise=0.140075 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00164095 Jy ! Component: 100 - total flux cleaned = 0.00281752 Jy ! Component: 150 - total flux cleaned = 0.00372167 Jy ! Component: 200 - total flux cleaned = 0.00442769 Jy ! Total flux subtracted in 200 components = 0.00442769 Jy ! Clean residual min=-0.000650 max=0.000583 Jy/beam ! Clean residual mean=-0.000002 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0530701 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 = 0.000438007 Jy ! Component: 100 - total flux cleaned = 0.000802141 Jy ! Component: 150 - total flux cleaned = 0.00104552 Jy ! Component: 200 - total flux cleaned = 0.00118574 Jy ! Total flux subtracted in 200 components = 0.00118574 Jy ! Clean residual min=-0.000552 max=0.000481 Jy/beam ! Clean residual mean=-0.000001 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.0542558 Jy ! Adding 102 model components to the UV plane model. ! The established model now contains 170 components and 0.0542558 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.803 mas, bmaj=2.761 mas, bpa=34.06 degrees ! Estimated noise=0.130166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.05838e-05 Jy ! Component: 100 - total flux cleaned = 0.000111411 Jy ! Component: 150 - total flux cleaned = 0.000176437 Jy ! Component: 200 - total flux cleaned = 0.000264667 Jy ! Total flux subtracted in 200 components = 0.000264667 Jy ! Clean residual min=-0.000516 max=0.000471 Jy/beam ! Clean residual mean=-0.000001 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0545205 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 191 components and 0.0545205 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.048332Jy sigma=1.057107 ! Fit after self-cal, rms=0.048329Jy sigma=1.056981 wmodel J1901+8623_X_a_map.mod ! Writing 191 model components to file: J1901+8623_X_a_map.mod wobs J1901+8623_X_a_uvs.fits ! Writing UV FITS file: J1901+8623_X_a_uvs.fits wwins J1901+8623_X_a_map.win ! wwins: Wrote 3 windows to J1901+8623_X_a_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 = -0.000240905 Jy ! Component: 100 - total flux cleaned = -0.00041549 Jy ! Component: 150 - total flux cleaned = -0.000505298 Jy ! Component: 200 - total flux cleaned = -0.000536115 Jy ! Component: 250 - total flux cleaned = -0.000543335 Jy ! Component: 300 - total flux cleaned = -0.000543145 Jy ! Component: 350 - total flux cleaned = -0.00052918 Jy ! Component: 400 - total flux cleaned = -0.000515889 Jy ! Component: 450 - total flux cleaned = -0.000516075 Jy ! Component: 500 - total flux cleaned = -0.000496593 Jy ! Component: 550 - total flux cleaned = -0.000458598 Jy ! Component: 600 - total flux cleaned = -0.000433854 Jy ! Component: 650 - total flux cleaned = -0.00041558 Jy ! Component: 700 - total flux cleaned = -0.000385642 Jy ! Component: 750 - total flux cleaned = -0.000368031 Jy ! Component: 800 - total flux cleaned = -0.000356546 Jy ! Component: 850 - total flux cleaned = -0.000345114 Jy ! Component: 900 - total flux cleaned = -0.000339514 Jy ! Component: 950 - total flux cleaned = -0.000339539 Jy ! Component: 1000 - total flux cleaned = -0.000306871 Jy ! Component: 1050 - total flux cleaned = -0.000301524 Jy ! Component: 1100 - total flux cleaned = -0.000274979 Jy ! Component: 1150 - total flux cleaned = -0.000243508 Jy ! Component: 1200 - total flux cleaned = -0.000217541 Jy ! Component: 1250 - total flux cleaned = -0.000197087 Jy ! Component: 1300 - total flux cleaned = -0.000176778 Jy ! Component: 1350 - total flux cleaned = -0.000161769 Jy ! Component: 1400 - total flux cleaned = -0.000136846 Jy ! Component: 1450 - total flux cleaned = -0.000107334 Jy ! Component: 1500 - total flux cleaned = -8.31046e-05 Jy ! Component: 1550 - total flux cleaned = -7.34623e-05 Jy ! Component: 1600 - total flux cleaned = -4.48609e-05 Jy ! Component: 1650 - total flux cleaned = -3.06802e-05 Jy ! Component: 1700 - total flux cleaned = -7.28761e-06 Jy ! Component: 1750 - total flux cleaned = 6.68338e-06 Jy ! Component: 1800 - total flux cleaned = 3.88128e-05 Jy ! Component: 1850 - total flux cleaned = 7.0619e-05 Jy ! Component: 1900 - total flux cleaned = 8.40627e-05 Jy ! Component: 1950 - total flux cleaned = 0.000110761 Jy ! Component: 2000 - total flux cleaned = 0.000119626 Jy ! Component: 2050 - total flux cleaned = 0.00015029 Jy ! Component: 2100 - total flux cleaned = 0.000163297 Jy ! Component: 2150 - total flux cleaned = 0.000180494 Jy ! Component: 2200 - total flux cleaned = 0.000206106 Jy ! Component: 2250 - total flux cleaned = 0.000222998 Jy ! Component: 2300 - total flux cleaned = 0.000218845 Jy ! Component: 2350 - total flux cleaned = 0.000243856 Jy ! Component: 2400 - total flux cleaned = 0.000264495 Jy ! Component: 2450 - total flux cleaned = 0.000293148 Jy ! Component: 2500 - total flux cleaned = 0.000301239 Jy ! Component: 2550 - total flux cleaned = 0.000301272 Jy ! Component: 2600 - total flux cleaned = 0.000321363 Jy ! Component: 2650 - total flux cleaned = 0.000329336 Jy ! Component: 2700 - total flux cleaned = 0.000360987 Jy ! Component: 2750 - total flux cleaned = 0.000392389 Jy ! Component: 2800 - total flux cleaned = 0.000411852 Jy ! Component: 2850 - total flux cleaned = 0.000419625 Jy ! Component: 2900 - total flux cleaned = 0.000435024 Jy ! Component: 2950 - total flux cleaned = 0.000450376 Jy ! Component: 3000 - total flux cleaned = 0.000473164 Jy ! Component: 3050 - total flux cleaned = 0.000507177 Jy ! Component: 3100 - total flux cleaned = 0.000522202 Jy ! Component: 3150 - total flux cleaned = 0.000540841 Jy ! Component: 3200 - total flux cleaned = 0.000563079 Jy ! Component: 3250 - total flux cleaned = 0.000566744 Jy ! Component: 3300 - total flux cleaned = 0.000607024 Jy ! Component: 3350 - total flux cleaned = 0.000607023 Jy ! Component: 3400 - total flux cleaned = 0.000628751 Jy ! Component: 3450 - total flux cleaned = 0.000646746 Jy ! Component: 3500 - total flux cleaned = 0.000657484 Jy ! Component: 3550 - total flux cleaned = 0.000671724 Jy ! Component: 3600 - total flux cleaned = 0.000664659 Jy ! Component: 3650 - total flux cleaned = 0.000685763 Jy ! Component: 3700 - total flux cleaned = 0.000703234 Jy ! Component: 3750 - total flux cleaned = 0.000706718 Jy ! Component: 3800 - total flux cleaned = 0.000727484 Jy ! Component: 3850 - total flux cleaned = 0.00072404 Jy ! Component: 3900 - total flux cleaned = 0.00074116 Jy ! Component: 3950 - total flux cleaned = 0.000744578 Jy ! Component: 4000 - total flux cleaned = 0.000747986 Jy ! Component: 4050 - total flux cleaned = 0.000758103 Jy ! Total flux subtracted in 4096 components = 0.000778227 Jy ! Clean residual min=-0.000249 max=0.000181 Jy/beam ! Clean residual mean=0.000000 rms=0.000063 Jy/beam ! Combined flux in latest and established models = 0.0552987 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 488 components and 0.0552987 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1901+8623_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.803 x 2.761 at 34.06 degrees (North through East) ! Clean map min=-0.00041902 max=0.03135 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1901+8623_X_a_map.fits wmodel /vlbi/uf001/uvm//J1901+8623_X_a_map.mod ! Writing 488 model components to file: /vlbi/uf001/uvm//J1901+8623_X_a_map.mod wobs /vlbi/uf001/uvm//J1901+8623_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1901+8623_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1901+8623_X_a_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uvm//J1901+8623_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0313502 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.26307e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.599333 0.599333 1.19867 2.39733 4.79467 9.58933 19.1787 38.3573 76.7147 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.031 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 500.556 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1901+8623_X_a_dfm.log closed on Sun Jan 13 22:19:13 2019