! Started logfile: /image_prod/ug002_uvm//J1901+8623_S_a_dfm.log on Wed Mar 4 17:37:03 2020 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /image_prod/ug002_uvm//J1901+8623_S_a_uvm.fits ! Reading UV FITS file: /image_prod/ug002_uvm//J1901+8623_S_a_uvm.fits ! AN table 1: 100 integrations on 28 of 28 possible baselines. ! AN table 2: 150 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.809319 visibilities/baseline/integration-bin. ! Found source: J1901+8623 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 36 lines of history. ! ! Reading 23187 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1901+8623_S_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 0.500x0.500 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 75 telescope corrections were flagged in sub-array 1. ! A total of 151 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 75 telescope corrections were flagged in sub-array 1. ! A total of 151 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 75 telescope corrections were flagged in sub-array 1. ! A total of 151 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.010215Jy sigma=7.396966 ! Fit after self-cal, rms=0.908008Jy sigma=6.596694 ! 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=3.304 mas, bmaj=3.422 mas, bpa=89.26 degrees ! Estimated noise=1.1429 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 = 0.0637042 Jy ! Component: 100 - total flux cleaned = 0.0948983 Jy ! Total flux subtracted in 100 components = 0.0948983 Jy ! Clean residual min=-0.006076 max=0.016801 Jy/beam ! Clean residual mean=-0.000082 rms=0.001702 Jy/beam ! Combined flux in latest and established models = 0.0948983 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 34 components and 0.0948983 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.086799Jy sigma=0.604218 ! Fit after self-cal, rms=0.085902Jy sigma=0.599310 ! Inverting map ! Added new window around map position (2.5, 3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0229853 Jy ! Component: 100 - total flux cleaned = 0.038934 Jy ! Total flux subtracted in 100 components = 0.038934 Jy ! Clean residual min=-0.004292 max=0.009526 Jy/beam ! Clean residual mean=-0.000053 rms=0.001144 Jy/beam ! Combined flux in latest and established models = 0.133832 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 59 components and 0.133832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075587Jy sigma=0.507351 ! Fit after self-cal, rms=0.075211Jy sigma=0.505380 ! Inverting map ! Added new window around map position (5, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0130478 Jy ! Component: 100 - total flux cleaned = 0.0222241 Jy ! Total flux subtracted in 100 components = 0.0222241 Jy ! Clean residual min=-0.003559 max=0.005406 Jy/beam ! Clean residual mean=-0.000037 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 0.156056 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 74 components and 0.156056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071602Jy sigma=0.472300 ! Fit after self-cal, rms=0.071463Jy sigma=0.471456 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00767608 Jy ! Component: 100 - total flux cleaned = 0.0134263 Jy ! Total flux subtracted in 100 components = 0.0134263 Jy ! Clean residual min=-0.003074 max=0.003965 Jy/beam ! Clean residual mean=-0.000027 rms=0.000753 Jy/beam ! Combined flux in latest and established models = 0.169483 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 88 components and 0.169483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070140Jy sigma=0.459099 ! Fit after self-cal, rms=0.070078Jy sigma=0.458713 ! 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=4.113 mas, bmaj=4.279 mas, bpa=-66.28 degrees ! Estimated noise=0.648332 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 = 0.00770357 Jy ! Component: 100 - total flux cleaned = 0.0129768 Jy ! Component: 150 - total flux cleaned = 0.0167634 Jy ! Component: 200 - total flux cleaned = 0.0195039 Jy ! Total flux subtracted in 200 components = 0.0195039 Jy ! Clean residual min=-0.002555 max=0.003768 Jy/beam ! Clean residual mean=-0.000022 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.188987 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 117 components and 0.188987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069113Jy sigma=0.449379 ! Fit after self-cal, rms=0.069049Jy sigma=0.448864 ! Inverting map ! Added new window around map position (7, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0036901 Jy ! Component: 100 - total flux cleaned = 0.00601143 Jy ! Component: 150 - total flux cleaned = 0.00777303 Jy ! Component: 200 - total flux cleaned = 0.00879189 Jy ! Total flux subtracted in 200 components = 0.00879189 Jy ! Clean residual min=-0.002211 max=0.003041 Jy/beam ! Clean residual mean=-0.000011 rms=0.000538 Jy/beam ! Combined flux in latest and established models = 0.197779 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 146 components and 0.197778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068835Jy sigma=0.446741 ! Fit after self-cal, rms=0.068808Jy sigma=0.446506 ! Inverting map ! Added new window around map position (4.5, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00315088 Jy ! Component: 100 - total flux cleaned = 0.0051613 Jy ! Component: 150 - total flux cleaned = 0.00651822 Jy ! Component: 200 - total flux cleaned = 0.00726604 Jy ! Total flux subtracted in 200 components = 0.00726604 Jy ! Clean residual min=-0.001848 max=0.001918 Jy/beam ! Clean residual mean=-0.000003 rms=0.000481 Jy/beam ! Combined flux in latest and established models = 0.205045 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 169 components and 0.205045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068643Jy sigma=0.445009 ! Fit after self-cal, rms=0.068616Jy sigma=0.444814 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.113 x 4.279 at -66.28 degrees (North through East) ! Clean map min=-0.0018492 max=0.08198 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 1.03 KP 0.99 ! MK 1.04 NL 0.95 OV 0.90 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.01 HN 1.03 KP 0.98 ! LA 1.00 MK 1.00 NL 1.02 OV 1.00 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 0.99 KP 1.01 ! MK 1.01 NL 1.02 OV 0.88 SC 0.64 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.00 HN 1.01 KP 0.99 ! LA 1.00 MK 1.01 NL 1.03 OV 1.01 ! PT 0.98 SC 0.90 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.02 HN 0.99 KP 0.99 ! MK 0.95 NL 0.89 OV 0.95 SC 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.02 HN 0.98 KP 1.00 ! LA 1.01 MK 1.04 NL 1.02 OV 0.99 ! PT 1.02 SC 1.01 ! ! ! Fit before self-cal, rms=0.068616Jy sigma=0.444814 ! Fit after self-cal, rms=0.065608Jy sigma=0.442123 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.095 mas, bmaj=4.253 mas, bpa=-66.92 degrees ! Estimated noise=0.646488 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 = 0.00117177 Jy ! Component: 100 - total flux cleaned = 0.00142205 Jy ! Component: 150 - total flux cleaned = 0.00170185 Jy ! Component: 200 - total flux cleaned = 0.00188361 Jy ! Total flux subtracted in 200 components = 0.00188361 Jy ! Clean residual min=-0.001487 max=0.001738 Jy/beam ! Clean residual mean=-0.000001 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.206928 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 189 components and 0.206928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065562Jy sigma=0.441779 ! Fit after self-cal, rms=0.065563Jy sigma=0.441697 ! 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. ! ! Fit before self-cal, rms=0.065563Jy sigma=0.441697 ! Fit after self-cal, rms=0.064606Jy sigma=0.438363 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.083 mas, bmaj=4.244 mas, bpa=-61.91 degrees ! Estimated noise=0.64272 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00042726 Jy ! Component: 100 - total flux cleaned = 0.000855531 Jy ! Component: 150 - total flux cleaned = 0.00120811 Jy ! Component: 200 - total flux cleaned = 0.00133857 Jy ! Total flux subtracted in 200 components = 0.00133857 Jy ! Clean residual min=-0.001311 max=0.001397 Jy/beam ! Clean residual mean=0.000007 rms=0.000304 Jy/beam ! Combined flux in latest and established models = 0.208267 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 200 components and 0.208267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064582Jy sigma=0.438176 ! Fit after self-cal, rms=0.064587Jy sigma=0.438098 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 (76, -15.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00053024 Jy ! Component: 100 - total flux cleaned = 0.000652532 Jy ! Component: 150 - total flux cleaned = 0.0007575 Jy ! Component: 200 - total flux cleaned = 0.00075712 Jy ! Total flux subtracted in 200 components = 0.00075712 Jy ! Clean residual min=-0.001248 max=0.001237 Jy/beam ! Clean residual mean=0.000008 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.209024 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 214 components and 0.209024 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064559Jy sigma=0.437862 ! Fit after self-cal, rms=0.064553Jy sigma=0.437846 ! 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. ! ! Fit before self-cal, rms=0.064553Jy sigma=0.437846 ! Fit after self-cal, rms=0.064216Jy sigma=0.437798 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.078 mas, bmaj=4.231 mas, bpa=-61.81 degrees ! Estimated noise=0.639584 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000407457 Jy ! Component: 100 - total flux cleaned = 0.000582054 Jy ! Component: 150 - total flux cleaned = 0.000717882 Jy ! Component: 200 - total flux cleaned = 0.000841272 Jy ! Total flux subtracted in 200 components = 0.000841272 Jy ! Clean residual min=-0.001224 max=0.001210 Jy/beam ! Clean residual mean=0.000007 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.209865 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 223 components and 0.209865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064201Jy sigma=0.437665 ! Fit after self-cal, rms=0.064197Jy sigma=0.437658 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 = 0.000180073 Jy ! Component: 100 - total flux cleaned = 0.000199581 Jy ! Component: 150 - total flux cleaned = 0.000237111 Jy ! Component: 200 - total flux cleaned = 0.0002372 Jy ! Total flux subtracted in 200 components = 0.0002372 Jy ! Clean residual min=-0.001208 max=0.001167 Jy/beam ! Clean residual mean=0.000007 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.210102 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 227 components and 0.210102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064188Jy sigma=0.437578 ! Fit after self-cal, rms=0.064186Jy sigma=0.437575 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.064186Jy sigma=0.437575 ! Fit after self-cal, rms=0.063964Jy sigma=0.437557 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.197 mas, bmaj=8.972 mas, bpa=-17.17 degrees ! Estimated noise=0.805788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000757188 Jy ! Component: 100 - total flux cleaned = 0.000798111 Jy ! Component: 150 - total flux cleaned = 0.000850323 Jy ! Component: 200 - total flux cleaned = 0.000834904 Jy ! Total flux subtracted in 200 components = 0.000834904 Jy ! Clean residual min=-0.001347 max=0.001302 Jy/beam ! Clean residual mean=0.000017 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.210937 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 245 components and 0.210937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063961Jy sigma=0.437510 ! Fit after self-cal, rms=0.063958Jy sigma=0.437493 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 = 4.98888e-05 Jy ! Component: 100 - total flux cleaned = -1.32559e-05 Jy ! Component: 150 - total flux cleaned = -2.65735e-05 Jy ! Component: 200 - total flux cleaned = -3.8753e-05 Jy ! Total flux subtracted in 200 components = -3.8753e-05 Jy ! Clean residual min=-0.001314 max=0.001276 Jy/beam ! Clean residual mean=0.000017 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.210899 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 264 components and 0.210899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063957Jy sigma=0.437473 ! Fit after self-cal, rms=0.063955Jy sigma=0.437465 ! 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=4.074 mas, bmaj=4.223 mas, bpa=-62.6 degrees ! Estimated noise=0.63738 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.074 x 4.223 at -62.6 degrees (North through East) ! Clean map min=-0.0012008 max=0.079663 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=3.285 mas, bmaj=3.369 mas, bpa=89.03 degrees ! Estimated noise=1.11006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0622528 Jy ! Component: 100 - total flux cleaned = 0.0957629 Jy ! Component: 150 - total flux cleaned = 0.118747 Jy ! Component: 200 - total flux cleaned = 0.135067 Jy ! Total flux subtracted in 200 components = 0.135067 Jy ! Clean residual min=-0.003928 max=0.009139 Jy/beam ! Clean residual mean=-0.000050 rms=0.001051 Jy/beam ! Combined flux in latest and established models = 0.135067 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 50 model components to the UV plane model. ! The established model now contains 50 components and 0.135067 Jy ! Inverting map and beam ! Estimated beam: bmin=4.074 mas, bmaj=4.223 mas, bpa=-62.6 degrees ! Estimated noise=0.63738 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 = 0.0196319 Jy ! Component: 100 - total flux cleaned = 0.0321769 Jy ! Component: 150 - total flux cleaned = 0.0409315 Jy ! Component: 200 - total flux cleaned = 0.047439 Jy ! Total flux subtracted in 200 components = 0.047439 Jy ! Clean residual min=-0.001899 max=0.004181 Jy/beam ! Clean residual mean=-0.000026 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.182506 Jy ! Adding 103 model components to the UV plane model. ! The established model now contains 147 components and 0.182506 Jy ! Inverting map ! Added new window around map position (8, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519165 Jy ! Component: 100 - total flux cleaned = 0.0093478 Jy ! Component: 150 - total flux cleaned = 0.0127178 Jy ! Component: 200 - total flux cleaned = 0.015485 Jy ! Total flux subtracted in 200 components = 0.015485 Jy ! Clean residual min=-0.001438 max=0.001819 Jy/beam ! Clean residual mean=-0.000008 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.197991 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 186 components and 0.197991 Jy ! Inverting map ! Added new window around map position (-1.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00234394 Jy ! Component: 100 - total flux cleaned = 0.00432098 Jy ! Component: 150 - total flux cleaned = 0.00601013 Jy ! Component: 200 - total flux cleaned = 0.00746193 Jy ! Total flux subtracted in 200 components = 0.00746193 Jy ! Clean residual min=-0.001330 max=0.001204 Jy/beam ! Clean residual mean=0.000000 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.205453 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 219 components and 0.205453 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.197 mas, bmaj=8.972 mas, bpa=-17.17 degrees ! Estimated noise=0.805788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209603 Jy ! Component: 100 - total flux cleaned = 0.00327381 Jy ! Component: 150 - total flux cleaned = 0.00369355 Jy ! Component: 200 - total flux cleaned = 0.00396482 Jy ! Total flux subtracted in 200 components = 0.00396482 Jy ! Clean residual min=-0.001521 max=0.001308 Jy/beam ! Clean residual mean=0.000012 rms=0.000380 Jy/beam ! Combined flux in latest and established models = 0.209418 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 = 0.000201613 Jy ! Component: 100 - total flux cleaned = 0.000378683 Jy ! Component: 150 - total flux cleaned = 0.000483436 Jy ! Component: 200 - total flux cleaned = 0.000553713 Jy ! Total flux subtracted in 200 components = 0.000553713 Jy ! Clean residual min=-0.001395 max=0.001278 Jy/beam ! Clean residual mean=0.000014 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.209972 Jy ! Adding 121 model components to the UV plane model. ! The established model now contains 322 components and 0.209972 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.074 mas, bmaj=4.223 mas, bpa=-62.6 degrees ! Estimated noise=0.63738 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000181044 Jy ! Component: 100 - total flux cleaned = 0.000179199 Jy ! Component: 150 - total flux cleaned = 0.00022871 Jy ! Component: 200 - total flux cleaned = 0.000275673 Jy ! Total flux subtracted in 200 components = 0.000275673 Jy ! Clean residual min=-0.001221 max=0.001161 Jy/beam ! Clean residual mean=0.000006 rms=0.000278 Jy/beam ! Combined flux in latest and established models = 0.210247 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 345 components and 0.210247 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063958Jy sigma=0.437477 ! Fit after self-cal, rms=0.063942Jy sigma=0.437372 wmodel J1901+8623_S_a_map.mod ! Writing 345 model components to file: J1901+8623_S_a_map.mod wobs J1901+8623_S_a_uvs.fits ! Writing UV FITS file: J1901+8623_S_a_uvs.fits wwins J1901+8623_S_a_map.win ! wwins: Wrote 8 windows to J1901+8623_S_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 = -0.000243882 Jy ! Component: 100 - total flux cleaned = -0.000263117 Jy ! Component: 150 - total flux cleaned = -0.000225716 Jy ! Component: 200 - total flux cleaned = -0.000189191 Jy ! Component: 250 - total flux cleaned = -0.000100154 Jy ! Component: 300 - total flux cleaned = -3.05081e-05 Jy ! Component: 350 - total flux cleaned = 3.77978e-06 Jy ! Component: 400 - total flux cleaned = 5.43462e-05 Jy ! Component: 450 - total flux cleaned = 0.000168995 Jy ! Component: 500 - total flux cleaned = 0.000265203 Jy ! Component: 550 - total flux cleaned = 0.000312563 Jy ! Component: 600 - total flux cleaned = 0.000359571 Jy ! Component: 650 - total flux cleaned = 0.000406139 Jy ! Component: 700 - total flux cleaned = 0.000467244 Jy ! Component: 750 - total flux cleaned = 0.00055727 Jy ! Component: 800 - total flux cleaned = 0.000631382 Jy ! Component: 850 - total flux cleaned = 0.000690223 Jy ! Component: 900 - total flux cleaned = 0.000748254 Jy ! Component: 950 - total flux cleaned = 0.00074852 Jy ! Component: 1000 - total flux cleaned = 0.000805417 Jy ! Component: 1050 - total flux cleaned = 0.000805474 Jy ! Component: 1100 - total flux cleaned = 0.000847268 Jy ! Component: 1150 - total flux cleaned = 0.000819636 Jy ! Component: 1200 - total flux cleaned = 0.000847103 Jy ! Component: 1250 - total flux cleaned = 0.000833506 Jy ! Component: 1300 - total flux cleaned = 0.000887451 Jy ! Component: 1350 - total flux cleaned = 0.000913985 Jy ! Component: 1400 - total flux cleaned = 0.000927093 Jy ! Component: 1450 - total flux cleaned = 0.000913995 Jy ! Component: 1500 - total flux cleaned = 0.000940018 Jy ! Component: 1550 - total flux cleaned = 0.000978708 Jy ! Component: 1600 - total flux cleaned = 0.00100454 Jy ! Component: 1650 - total flux cleaned = 0.00105534 Jy ! Component: 1700 - total flux cleaned = 0.00109316 Jy ! Component: 1750 - total flux cleaned = 0.00110571 Jy ! Component: 1800 - total flux cleaned = 0.0011183 Jy ! Component: 1850 - total flux cleaned = 0.00114297 Jy ! Component: 1900 - total flux cleaned = 0.00114305 Jy ! Component: 1950 - total flux cleaned = 0.00115521 Jy ! Component: 2000 - total flux cleaned = 0.00115515 Jy ! Component: 2050 - total flux cleaned = 0.00114308 Jy ! Component: 2100 - total flux cleaned = 0.00115517 Jy ! Component: 2150 - total flux cleaned = 0.00119081 Jy ! Component: 2200 - total flux cleaned = 0.0011555 Jy ! Component: 2250 - total flux cleaned = 0.00121442 Jy ! Component: 2300 - total flux cleaned = 0.00123792 Jy ! Component: 2350 - total flux cleaned = 0.00126105 Jy ! Component: 2400 - total flux cleaned = 0.00129568 Jy ! Component: 2450 - total flux cleaned = 0.00131857 Jy ! Component: 2500 - total flux cleaned = 0.00133017 Jy ! Component: 2550 - total flux cleaned = 0.00130751 Jy ! Component: 2600 - total flux cleaned = 0.00136411 Jy ! Component: 2650 - total flux cleaned = 0.00139789 Jy ! Component: 2700 - total flux cleaned = 0.00140901 Jy ! Component: 2750 - total flux cleaned = 0.00144246 Jy ! Component: 2800 - total flux cleaned = 0.00147565 Jy ! Component: 2850 - total flux cleaned = 0.00151971 Jy ! Component: 2900 - total flux cleaned = 0.00155251 Jy ! Component: 2950 - total flux cleaned = 0.00156339 Jy ! Component: 3000 - total flux cleaned = 0.00162855 Jy ! Component: 3050 - total flux cleaned = 0.00162843 Jy ! Component: 3100 - total flux cleaned = 0.00164992 Jy ! Component: 3150 - total flux cleaned = 0.00167123 Jy ! Component: 3200 - total flux cleaned = 0.00172456 Jy ! Component: 3250 - total flux cleaned = 0.00173525 Jy ! Component: 3300 - total flux cleaned = 0.00181961 Jy ! Component: 3350 - total flux cleaned = 0.0018091 Jy ! Component: 3400 - total flux cleaned = 0.00181953 Jy ! Component: 3450 - total flux cleaned = 0.00185082 Jy ! Component: 3500 - total flux cleaned = 0.00186116 Jy ! Component: 3550 - total flux cleaned = 0.00193339 Jy ! Component: 3600 - total flux cleaned = 0.00192318 Jy ! Component: 3650 - total flux cleaned = 0.0019028 Jy ! Component: 3700 - total flux cleaned = 0.00196381 Jy ! Component: 3750 - total flux cleaned = 0.00198419 Jy ! Component: 3800 - total flux cleaned = 0.00199427 Jy ! Component: 3850 - total flux cleaned = 0.0020244 Jy ! Component: 3900 - total flux cleaned = 0.00202443 Jy ! Component: 3950 - total flux cleaned = 0.00205418 Jy ! Component: 4000 - total flux cleaned = 0.00212347 Jy ! Component: 4050 - total flux cleaned = 0.00205438 Jy ! Total flux subtracted in 4096 components = 0.00208388 Jy ! Clean residual min=-0.000672 max=0.000564 Jy/beam ! Clean residual mean=0.000003 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.212331 Jy keep ! Adding 316 model components to the UV plane model. ! The established model now contains 661 components and 0.212331 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uvm//J1901+8623_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.074 x 4.223 at -62.6 degrees (North through East) ! Clean map min=-0.00094829 max=0.079402 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uvm//J1901+8623_S_a_map.fits wmodel /image_prod/ug002_uvm//J1901+8623_S_a_map.mod ! Writing 661 model components to file: /image_prod/ug002_uvm//J1901+8623_S_a_map.mod wobs /image_prod/ug002_uvm//J1901+8623_S_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uvm//J1901+8623_S_a_uvs.fits wwins /image_prod/ug002_uvm//J1901+8623_S_a_map.win ! wwins: Wrote 9 windows to /image_prod/ug002_uvm//J1901+8623_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0794016 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00018086 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.683338 0.683338 1.36668 2.73335 5.4667 10.9334 21.8668 43.7336 87.4672 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.079 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 439.021 quit ! Quitting program ! Log file /image_prod/ug002_uvm//J1901+8623_S_a_dfm.log closed on Wed Mar 4 17:37:09 2020