! Started logfile: .//J1745+3951_C_dfm.log on Mon Jan 20 00:08:14 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1745+3951_C_uvm.fits ! Reading UV FITS file: .//J1745+3951_C_uvm.fits ! AN table 1: 94 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.991489 visibilities/baseline/integration-bin. ! Found source: J1745+3951 ! ! 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 33552 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 J1745+3951_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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000628Jy sigma=25.463119 ! Fit after self-cal, rms=0.966099Jy sigma=24.563305 ! 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=1.223 mas, bmaj=4.052 mas, bpa=-10.41 degrees ! Estimated noise=0.32673 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 = 0.0255551 Jy ! Component: 100 - total flux cleaned = 0.0316159 Jy ! Total flux subtracted in 100 components = 0.0316159 Jy ! Clean residual min=-0.003997 max=0.004399 Jy/beam ! Clean residual mean=-0.000004 rms=0.000743 Jy/beam ! Combined flux in latest and established models = 0.0316159 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0316159 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=0.034220Jy sigma=0.828127 ! Fit after self-cal, rms=0.032677Jy sigma=0.790220 ! Inverting map ! Added new window around map position (-3.6, -9.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00390986 Jy ! Component: 100 - total flux cleaned = 0.0054249 Jy ! Total flux subtracted in 100 components = 0.0054249 Jy ! Clean residual min=-0.003784 max=0.004249 Jy/beam ! Clean residual mean=-0.000003 rms=0.000672 Jy/beam ! Combined flux in latest and established models = 0.0370408 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 15 components and 0.0370408 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=0.032050Jy sigma=0.773419 ! Fit after self-cal, rms=0.031997Jy sigma=0.771842 ! Inverting map ! Added new window around map position (-3, -55.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00264607 Jy ! Component: 100 - total flux cleaned = 0.0031488 Jy ! Total flux subtracted in 100 components = 0.0031488 Jy ! Clean residual min=-0.003442 max=0.003756 Jy/beam ! Clean residual mean=-0.000003 rms=0.000620 Jy/beam ! Combined flux in latest and established models = 0.0401896 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 28 components and 0.0401896 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=0.031643Jy sigma=0.763450 ! Fit after self-cal, rms=0.031579Jy sigma=0.761850 ! 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=1.577 mas, bmaj=4.382 mas, bpa=-9.731 degrees ! Estimated noise=0.154442 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 (38.4, -36). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00385985 Jy ! Component: 100 - total flux cleaned = 0.00639635 Jy ! Component: 150 - total flux cleaned = 0.00821433 Jy ! Component: 200 - total flux cleaned = 0.00940686 Jy ! Total flux subtracted in 200 components = 0.00940686 Jy ! Clean residual min=-0.002309 max=0.002477 Jy/beam ! Clean residual mean=-0.000002 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.0495965 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 74 components and 0.0495965 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=0.030977Jy sigma=0.746169 ! Fit after self-cal, rms=0.030923Jy sigma=0.744587 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.577 x 4.382 at -9.731 degrees (North through East) ! Clean map min=-0.0024023 max=0.034292 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 0.94 KP 0.96 ! LA 0.93 MK 0.97 NL 1.04 OV 0.94 ! PT 0.92 SC 0.81 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.97 HN 0.96 KP 0.95 ! LA 0.96 MK 1.05 NL 1.00 OV 0.97 ! PT 0.91 SC 0.80 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 0.99 KP 0.97 ! LA 1.00 MK 1.04 NL 1.01 OV 0.92 ! PT 0.90 SC 0.84 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 0.93 KP 0.94 ! LA 1.01 MK 1.03 NL 1.07 OV 0.95 ! PT 0.86 SC 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.81 FD 0.97 HN 1.00 KP 0.96 ! LA 1.05 MK 1.01 NL 1.05 OV 1.05 ! PT 0.89 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.92 HN 1.07 KP 0.95 ! LA 1.09 MK 1.01 NL 1.00 OV 1.08 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 1.07 KP 0.92 ! LA 1.04 MK 1.05 NL 1.05 OV 1.05 ! PT 0.92 SC 1.07 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.91 HN 1.10 KP 0.96 ! LA 1.07 MK 0.99 NL 1.05 OV 1.05 ! PT 0.97 SC 1.03 ! ! ! Fit before self-cal, rms=0.030923Jy sigma=0.744587 ! Fit after self-cal, rms=0.031163Jy sigma=0.735772 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.584 mas, bmaj=4.41 mas, bpa=-9.23 degrees ! Estimated noise=0.148962 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 = -0.000266678 Jy ! Component: 100 - total flux cleaned = -0.000223812 Jy ! Component: 150 - total flux cleaned = -2.77361e-05 Jy ! Component: 200 - total flux cleaned = 0.000115092 Jy ! Total flux subtracted in 200 components = 0.000115092 Jy ! Clean residual min=-0.002109 max=0.001969 Jy/beam ! Clean residual mean=-0.000002 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.0497116 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 92 components and 0.0497115 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=0.031037Jy sigma=0.733124 ! Fit after self-cal, rms=0.031073Jy sigma=0.732562 ! 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=0.031073Jy sigma=0.732562 ! Fit after self-cal, rms=0.040673Jy sigma=0.705136 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.619 mas, bmaj=4.431 mas, bpa=-10.36 degrees ! Estimated noise=0.154733 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000493512 Jy ! Component: 100 - total flux cleaned = 0.000763741 Jy ! Component: 150 - total flux cleaned = 0.000924488 Jy ! Component: 200 - total flux cleaned = 0.00102496 Jy ! Total flux subtracted in 200 components = 0.00102496 Jy ! Clean residual min=-0.001384 max=0.001321 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.0507365 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 0.0507365 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=0.040642Jy sigma=0.704018 ! Fit after self-cal, rms=0.040953Jy sigma=0.703058 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 = 0.000328541 Jy ! Component: 100 - total flux cleaned = 0.000410702 Jy ! Component: 150 - total flux cleaned = 0.000498977 Jy ! Component: 200 - total flux cleaned = 0.000539584 Jy ! Total flux subtracted in 200 components = 0.000539584 Jy ! Clean residual min=-0.001452 max=0.001378 Jy/beam ! Clean residual mean=-0.000001 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.0512761 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 125 components and 0.0512761 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=0.040941Jy sigma=0.702675 ! Fit after self-cal, rms=0.040942Jy sigma=0.702654 ! 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=0.040942Jy sigma=0.702654 ! Fit after self-cal, rms=0.043472Jy sigma=0.702368 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.62 mas, bmaj=4.421 mas, bpa=-10.43 degrees ! Estimated noise=0.154935 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000359799 Jy ! Component: 100 - total flux cleaned = 0.000517703 Jy ! Component: 150 - total flux cleaned = 0.000641234 Jy ! Component: 200 - total flux cleaned = 0.000738503 Jy ! Total flux subtracted in 200 components = 0.000738503 Jy ! Clean residual min=-0.001450 max=0.001306 Jy/beam ! Clean residual mean=-0.000001 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0520146 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 131 components and 0.0520146 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=0.043457Jy sigma=0.701973 ! Fit after self-cal, rms=0.043502Jy sigma=0.701935 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 = 0.000129769 Jy ! Component: 100 - total flux cleaned = 0.000204388 Jy ! Component: 150 - total flux cleaned = 0.000249998 Jy ! Component: 200 - total flux cleaned = 0.000292533 Jy ! Total flux subtracted in 200 components = 0.000292533 Jy ! Clean residual min=-0.001468 max=0.001326 Jy/beam ! Clean residual mean=-0.000001 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0523071 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 133 components and 0.0523071 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=0.043494Jy sigma=0.701761 ! Fit after self-cal, rms=0.043494Jy sigma=0.701753 ! 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=0.043494Jy sigma=0.701753 ! Fit after self-cal, rms=0.044135Jy sigma=0.701646 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.554 mas, bmaj=5.132 mas, bpa=-11.93 degrees ! Estimated noise=0.190914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00068456 Jy ! Component: 100 - total flux cleaned = 0.00111006 Jy ! Component: 150 - total flux cleaned = 0.00119022 Jy ! Component: 200 - total flux cleaned = 0.00122604 Jy ! Total flux subtracted in 200 components = 0.00122604 Jy ! Clean residual min=-0.001936 max=0.001703 Jy/beam ! Clean residual mean=-0.000001 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.0535331 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 148 components and 0.0535331 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=0.044120Jy sigma=0.701811 ! Fit after self-cal, rms=0.044135Jy sigma=0.701762 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 = 0.000194694 Jy ! Component: 100 - total flux cleaned = 0.000273769 Jy ! Component: 150 - total flux cleaned = 0.000305263 Jy ! Component: 200 - total flux cleaned = 0.000344691 Jy ! Total flux subtracted in 200 components = 0.000344691 Jy ! Clean residual min=-0.001928 max=0.001701 Jy/beam ! Clean residual mean=-0.000001 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.0538778 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 161 components and 0.0538778 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=0.044131Jy sigma=0.701873 ! Fit after self-cal, rms=0.044132Jy sigma=0.701859 ! 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=1.618 mas, bmaj=4.414 mas, bpa=-10.44 degrees ! Estimated noise=0.154964 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.618 x 4.414 at -10.44 degrees (North through East) ! Clean map min=-0.0013956 max=0.033387 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=1.253 mas, bmaj=4.082 mas, bpa=-11.63 degrees ! Estimated noise=0.334275 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.026761 Jy ! Component: 100 - total flux cleaned = 0.0337012 Jy ! Component: 150 - total flux cleaned = 0.037749 Jy ! Component: 200 - total flux cleaned = 0.0405056 Jy ! Total flux subtracted in 200 components = 0.0405056 Jy ! Clean residual min=-0.001632 max=0.001754 Jy/beam ! Clean residual mean=-0.000002 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.0405056 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0405056 Jy ! Inverting map and beam ! Estimated beam: bmin=1.618 mas, bmaj=4.414 mas, bpa=-10.44 degrees ! Estimated noise=0.154964 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 = 0.00333087 Jy ! Component: 100 - total flux cleaned = 0.00552873 Jy ! Component: 150 - total flux cleaned = 0.00718986 Jy ! Component: 200 - total flux cleaned = 0.0085086 Jy ! Total flux subtracted in 200 components = 0.0085086 Jy ! Clean residual min=-0.001482 max=0.001501 Jy/beam ! Clean residual mean=-0.000002 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.0490142 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 67 components and 0.0490142 Jy ! Inverting map ! Added new window around map position (4.2, -2.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136843 Jy ! Component: 100 - total flux cleaned = 0.0023351 Jy ! Component: 150 - total flux cleaned = 0.00296235 Jy ! Component: 200 - total flux cleaned = 0.00336983 Jy ! Total flux subtracted in 200 components = 0.00336983 Jy ! Clean residual min=-0.001515 max=0.001394 Jy/beam ! Clean residual mean=-0.000001 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.052384 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 92 components and 0.052384 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=3.554 mas, bmaj=5.132 mas, bpa=-11.93 degrees ! Estimated noise=0.190914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108354 Jy ! Component: 100 - total flux cleaned = 0.0015219 Jy ! Component: 150 - total flux cleaned = 0.00171204 Jy ! Component: 200 - total flux cleaned = 0.00177237 Jy ! Total flux subtracted in 200 components = 0.00177237 Jy ! Clean residual min=-0.001947 max=0.001813 Jy/beam ! Clean residual mean=-0.000002 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.0541564 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 = 1.75583e-05 Jy ! Component: 100 - total flux cleaned = 5.09098e-05 Jy ! Component: 150 - total flux cleaned = 8.15863e-05 Jy ! Component: 200 - total flux cleaned = 9.60954e-05 Jy ! Total flux subtracted in 200 components = 9.60954e-05 Jy ! Clean residual min=-0.001951 max=0.001786 Jy/beam ! Clean residual mean=-0.000001 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.0542525 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 133 components and 0.0542525 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.618 mas, bmaj=4.414 mas, bpa=-10.44 degrees ! Estimated noise=0.154964 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000159615 Jy ! Component: 100 - total flux cleaned = -0.00013982 Jy ! Component: 150 - total flux cleaned = -0.000122069 Jy ! Component: 200 - total flux cleaned = -0.000106407 Jy ! Total flux subtracted in 200 components = -0.000106407 Jy ! Clean residual min=-0.001531 max=0.001277 Jy/beam ! Clean residual mean=-0.000001 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0541461 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 151 components and 0.0541461 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=0.044122Jy sigma=0.701392 ! Fit after self-cal, rms=0.044080Jy sigma=0.701001 wmodel J1745+3951_C_map.mod ! Writing 151 model components to file: J1745+3951_C_map.mod wobs J1745+3951_C_uvs.fits ! Writing UV FITS file: J1745+3951_C_uvs.fits wwins J1745+3951_C_map.win ! wwins: Wrote 5 windows to J1745+3951_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 = -0.000275651 Jy ! Component: 100 - total flux cleaned = -0.000187893 Jy ! Component: 150 - total flux cleaned = -0.000167615 Jy ! Component: 200 - total flux cleaned = -0.000167583 Jy ! Component: 250 - total flux cleaned = -5.30856e-05 Jy ! Component: 300 - total flux cleaned = -5.31238e-05 Jy ! Component: 350 - total flux cleaned = -5.28122e-05 Jy ! Component: 400 - total flux cleaned = -1.74507e-05 Jy ! Component: 450 - total flux cleaned = 1.68565e-05 Jy ! Component: 500 - total flux cleaned = 1.71168e-05 Jy ! Component: 550 - total flux cleaned = 9.90678e-05 Jy ! Component: 600 - total flux cleaned = 0.000146828 Jy ! Component: 650 - total flux cleaned = 0.000162449 Jy ! Component: 700 - total flux cleaned = 0.000178164 Jy ! Component: 750 - total flux cleaned = 0.000193471 Jy ! Component: 800 - total flux cleaned = 0.000238341 Jy ! Component: 850 - total flux cleaned = 0.000282295 Jy ! Component: 900 - total flux cleaned = 0.000325694 Jy ! Component: 950 - total flux cleaned = 0.000339765 Jy ! Component: 1000 - total flux cleaned = 0.000311641 Jy ! Component: 1050 - total flux cleaned = 0.000353288 Jy ! Component: 1100 - total flux cleaned = 0.000366928 Jy ! Component: 1150 - total flux cleaned = 0.000366804 Jy ! Component: 1200 - total flux cleaned = 0.000393545 Jy ! Component: 1250 - total flux cleaned = 0.000433213 Jy ! Component: 1300 - total flux cleaned = 0.000433508 Jy ! Component: 1350 - total flux cleaned = 0.000511 Jy ! Component: 1400 - total flux cleaned = 0.000485341 Jy ! Component: 1450 - total flux cleaned = 0.000510885 Jy ! Component: 1500 - total flux cleaned = 0.000586139 Jy ! Component: 1550 - total flux cleaned = 0.000573616 Jy ! Component: 1600 - total flux cleaned = 0.000598167 Jy ! Component: 1650 - total flux cleaned = 0.000622331 Jy ! Component: 1700 - total flux cleaned = 0.000610308 Jy ! Component: 1750 - total flux cleaned = 0.00067009 Jy ! Component: 1800 - total flux cleaned = 0.000681924 Jy ! Component: 1850 - total flux cleaned = 0.000728721 Jy ! Component: 1900 - total flux cleaned = 0.000740212 Jy ! Component: 1950 - total flux cleaned = 0.000694314 Jy ! Component: 2000 - total flux cleaned = 0.000728855 Jy ! Component: 2050 - total flux cleaned = 0.000762842 Jy ! Component: 2100 - total flux cleaned = 0.000751705 Jy ! Component: 2150 - total flux cleaned = 0.000807449 Jy ! Component: 2200 - total flux cleaned = 0.000818452 Jy ! Component: 2250 - total flux cleaned = 0.000818381 Jy ! Component: 2300 - total flux cleaned = 0.000861971 Jy ! Component: 2350 - total flux cleaned = 0.000905 Jy ! Component: 2400 - total flux cleaned = 0.000872746 Jy ! Component: 2450 - total flux cleaned = 0.00091545 Jy ! Component: 2500 - total flux cleaned = 0.000925853 Jy ! Component: 2550 - total flux cleaned = 0.000936422 Jy ! Component: 2600 - total flux cleaned = 0.000988576 Jy ! Component: 2650 - total flux cleaned = 0.000947091 Jy ! Component: 2700 - total flux cleaned = 0.000978235 Jy ! Component: 2750 - total flux cleaned = 0.00100897 Jy ! Component: 2800 - total flux cleaned = 0.00102927 Jy ! Component: 2850 - total flux cleaned = 0.00102917 Jy ! Component: 2900 - total flux cleaned = 0.00104929 Jy ! Component: 2950 - total flux cleaned = 0.00104941 Jy ! Component: 3000 - total flux cleaned = 0.00104938 Jy ! Component: 3050 - total flux cleaned = 0.00107911 Jy ! Component: 3100 - total flux cleaned = 0.00111827 Jy ! Component: 3150 - total flux cleaned = 0.00110862 Jy ! Component: 3200 - total flux cleaned = 0.00113761 Jy ! Component: 3250 - total flux cleaned = 0.00117613 Jy ! Component: 3300 - total flux cleaned = 0.00114744 Jy ! Component: 3350 - total flux cleaned = 0.00114749 Jy ! Component: 3400 - total flux cleaned = 0.00118534 Jy ! Component: 3450 - total flux cleaned = 0.00119478 Jy ! Component: 3500 - total flux cleaned = 0.00121352 Jy ! Component: 3550 - total flux cleaned = 0.00126935 Jy ! Component: 3600 - total flux cleaned = 0.00125082 Jy ! Component: 3650 - total flux cleaned = 0.0012692 Jy ! Component: 3700 - total flux cleaned = 0.00128754 Jy ! Component: 3750 - total flux cleaned = 0.00129662 Jy ! Component: 3800 - total flux cleaned = 0.00132376 Jy ! Component: 3850 - total flux cleaned = 0.00130583 Jy ! Component: 3900 - total flux cleaned = 0.00135943 Jy ! Component: 3950 - total flux cleaned = 0.00133274 Jy ! Component: 4000 - total flux cleaned = 0.00137695 Jy ! Component: 4050 - total flux cleaned = 0.00136818 Jy ! Total flux subtracted in 4096 components = 0.00141186 Jy ! Clean residual min=-0.000445 max=0.000437 Jy/beam ! Clean residual mean=-0.000001 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.055558 Jy keep ! Adding 378 model components to the UV plane model. ! The established model now contains 529 components and 0.055558 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1745+3951_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.618 x 4.414 at -10.44 degrees (North through East) ! Clean map min=-0.0012716 max=0.033417 Jy/beam ! Writing clean map to FITS file: .//J1745+3951_C_map.fits wmodel .//J1745+3951_C_map.mod ! Writing 529 model components to file: .//J1745+3951_C_map.mod wobs .//J1745+3951_C_uvs.fits ! Writing UV FITS file: .//J1745+3951_C_uvs.fits wwins .//J1745+3951_C_map.win ! wwins: Wrote 6 windows to .//J1745+3951_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0334172 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000171952 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.54368 1.54368 3.08736 6.17473 12.3495 24.6989 49.3978 98.7956 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.033 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 194.34 quit ! Quitting program ! Log file .//J1745+3951_C_dfm.log closed on Mon Jan 20 00:08:19 2020