! Started logfile: /scr/pima/rdv76_uvs/J1756+1535_X_dfm.log on Fri Jun 15 03:56:22 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.40599 obs /scr/pima/rdv76_uvs/J1756+1535_X_uva.fits ! Reading UV FITS file: /scr/pima/rdv76_uvs/J1756+1535_X_uva.fits ! AN table 1: 109 integrations on 28 of 28 possible baselines. ! AN table 2: 180 integrations on 55 of 55 possible baselines. ! Apparent sampling: 0.248919 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1756+1535 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40599e+09 8e+06 1 8e+06 ! 02 2 8.47599e+09 8e+06 1 8e+06 ! 03 3 8.79099e+09 8e+06 1 8e+06 ! 04 4 8.89599e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 79 lines of history. ! ! Reading 12896 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J1756+1535_X] 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 475 telescope corrections were flagged in sub-array 1. ! A total of 1475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 475 telescope corrections were flagged in sub-array 1. ! A total of 1475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 475 telescope corrections were flagged in sub-array 1. ! A total of 1475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 475 telescope corrections were flagged in sub-array 1. ! A total of 1475 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.073276Jy sigma=12.783892 ! Fit after self-cal, rms=0.713273Jy sigma=8.307054 ! 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 ! Your choice of large map pixels excluded 2.34% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.5739 mas, bmaj=1.276 mas, bpa=-10.53 degrees ! Estimated noise=0.926561 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 = 0.243299 Jy ! Component: 100 - total flux cleaned = 0.312903 Jy ! Total flux subtracted in 100 components = 0.312903 Jy ! Clean residual min=-0.013544 max=0.030752 Jy/beam ! Clean residual mean=0.000003 rms=0.003360 Jy/beam ! Combined flux in latest and established models = 0.312903 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.312903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192361Jy sigma=2.043413 ! Fit after self-cal, rms=0.192079Jy sigma=2.039764 ! Inverting map ! Your choice of large map pixels excluded 2.34% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Added new window around map position (-0.6, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0365505 Jy ! Component: 100 - total flux cleaned = 0.0576601 Jy ! Total flux subtracted in 100 components = 0.0576601 Jy ! Clean residual min=-0.010706 max=0.014859 Jy/beam ! Clean residual mean=0.000000 rms=0.002321 Jy/beam ! Combined flux in latest and established models = 0.370563 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.370563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185340Jy sigma=1.932773 ! Fit after self-cal, rms=0.185033Jy sigma=1.928735 ! Inverting map ! Your choice of large map pixels excluded 2.34% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0153227 Jy ! Component: 100 - total flux cleaned = 0.0237587 Jy ! Total flux subtracted in 100 components = 0.0237587 Jy ! Clean residual min=-0.009169 max=0.008956 Jy/beam ! Clean residual mean=-0.000002 rms=0.002038 Jy/beam ! Combined flux in latest and established models = 0.394322 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 0.394322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183935Jy sigma=1.910843 ! Fit after self-cal, rms=0.183812Jy sigma=1.909150 ! Inverting map ! Your choice of large map pixels excluded 2.34% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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 ! Your choice of large map pixels excluded 2.34% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.6129 mas, bmaj=1.397 mas, bpa=-9.374 degrees ! Estimated noise=0.595956 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 = 0.00738419 Jy ! Component: 100 - total flux cleaned = 0.0115141 Jy ! Component: 150 - total flux cleaned = 0.0139595 Jy ! Component: 200 - total flux cleaned = 0.0147497 Jy ! Total flux subtracted in 200 components = 0.0147497 Jy ! Clean residual min=-0.006473 max=0.006095 Jy/beam ! Clean residual mean=0.000003 rms=0.001290 Jy/beam ! Combined flux in latest and established models = 0.409071 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 0.409071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183535Jy sigma=1.904812 ! Fit after self-cal, rms=0.183522Jy sigma=1.904426 ! Inverting map ! Your choice of large map pixels excluded 2.34% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6129 x 1.397 at -9.374 degrees (North through East) ! Clean map min=-0.0054792 max=0.31096 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 LA 0.97 NL 0.99 NY 0.98 ! PT 1.06 SC 0.96 WZ 1.09 ZC 0.96 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 KK 1.07 KP 1.02 ! LA 0.97 MK 1.02 NL 1.01 NY 1.00 ! OV 0.97 PT 0.99 SC 1.05 ! ! ! Correcting IF 2. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 LA 0.94 NL 0.98 NY 0.96 ! PT 1.05 SC 0.98 WZ 1.04 ZC 0.98 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.03 KK 0.97 KP 1.03 ! LA 0.95 MK 1.00 NL 1.02 NY 1.01 ! OV 0.98 PT 1.01 SC 0.96 ! ! ! Correcting IF 3. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 LA 0.97 NL 0.98 NY 0.98 ! PT 1.07 SC 0.97 WZ 1.01 ZC 0.99 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 KK 1.02 KP 1.00 ! LA 0.96 MK 0.96 NL 0.99 NY 1.04 ! OV 0.99 PT 1.04 SC 1.01 ! ! ! Correcting IF 4. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 LA 0.97 NL 0.95 NY 1.03 ! PT 1.00 SC 1.02 WZ 0.98 ZC 0.96 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 KK 0.94 KP 1.00 ! LA 0.96 MK 1.01 NL 1.02 NY 1.06 ! OV 1.00 PT 1.01 SC 0.96 ! ! ! Fit before self-cal, rms=0.183522Jy sigma=1.904426 ! Fit after self-cal, rms=0.184864Jy sigma=1.907735 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.6263 mas, bmaj=1.372 mas, bpa=-7.914 degrees ! Estimated noise=0.619259 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 = 0.00171808 Jy ! Component: 100 - total flux cleaned = 0.00171514 Jy ! Component: 150 - total flux cleaned = 0.0016598 Jy ! Component: 200 - total flux cleaned = 0.00166134 Jy ! Total flux subtracted in 200 components = 0.00166134 Jy ! Clean residual min=-0.005335 max=0.005761 Jy/beam ! Clean residual mean=0.000008 rms=0.001152 Jy/beam ! Combined flux in latest and established models = 0.410733 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.410733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184808Jy sigma=1.907381 ! Fit after self-cal, rms=0.184849Jy sigma=1.907195 ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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. ! ! Fit before self-cal, rms=0.184849Jy sigma=1.907195 ! Fit after self-cal, rms=0.184797Jy sigma=1.906073 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.626 mas, bmaj=1.372 mas, bpa=-7.901 degrees ! Estimated noise=0.619526 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000749555 Jy ! Component: 100 - total flux cleaned = 0.000700264 Jy ! Component: 150 - total flux cleaned = 0.000654246 Jy ! Component: 200 - total flux cleaned = 0.000653466 Jy ! Total flux subtracted in 200 components = 0.000653466 Jy ! Clean residual min=-0.005354 max=0.005696 Jy/beam ! Clean residual mean=0.000008 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 0.411386 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 0.411386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184764Jy sigma=1.905890 ! Fit after self-cal, rms=0.184773Jy sigma=1.905842 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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 (29.4, -13.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00404422 Jy ! Component: 100 - total flux cleaned = 0.00405854 Jy ! Component: 150 - total flux cleaned = 0.00390564 Jy ! Component: 200 - total flux cleaned = 0.00383954 Jy ! Total flux subtracted in 200 components = 0.00383954 Jy ! Clean residual min=-0.005148 max=0.005123 Jy/beam ! Clean residual mean=0.000008 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 0.415226 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.415226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184615Jy sigma=1.904444 ! Fit after self-cal, rms=0.184613Jy sigma=1.904333 ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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. ! ! Fit before self-cal, rms=0.184613Jy sigma=1.904333 ! Fit after self-cal, rms=0.184472Jy sigma=1.903921 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.6257 mas, bmaj=1.372 mas, bpa=-7.899 degrees ! Estimated noise=0.619336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000927948 Jy ! Component: 100 - total flux cleaned = 0.000990607 Jy ! Component: 150 - total flux cleaned = 0.000989409 Jy ! Component: 200 - total flux cleaned = 0.000939641 Jy ! Total flux subtracted in 200 components = 0.000939641 Jy ! Clean residual min=-0.004938 max=0.005010 Jy/beam ! Clean residual mean=0.000007 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.416165 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 57 components and 0.416165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184427Jy sigma=1.903595 ! Fit after self-cal, rms=0.184432Jy sigma=1.903573 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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 (-19.8, 18.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00415561 Jy ! Component: 100 - total flux cleaned = 0.00499765 Jy ! Component: 150 - total flux cleaned = 0.00536383 Jy ! Component: 200 - total flux cleaned = 0.00552818 Jy ! Total flux subtracted in 200 components = 0.00552818 Jy ! Clean residual min=-0.004763 max=0.004644 Jy/beam ! Clean residual mean=0.000005 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.421694 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 71 components and 0.421694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184317Jy sigma=1.902312 ! Fit after self-cal, rms=0.184309Jy sigma=1.902234 ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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. ! ! Fit before self-cal, rms=0.184309Jy sigma=1.902234 ! Fit after self-cal, rms=0.184289Jy sigma=1.902164 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=2.293 mas, bmaj=2.677 mas, bpa=-12.06 degrees ! Estimated noise=0.892434 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178608 Jy ! Component: 100 - total flux cleaned = 0.00265994 Jy ! Component: 150 - total flux cleaned = 0.00284509 Jy ! Component: 200 - total flux cleaned = 0.00296165 Jy ! Total flux subtracted in 200 components = 0.00296165 Jy ! Clean residual min=-0.004597 max=0.004753 Jy/beam ! Clean residual mean=0.000011 rms=0.001287 Jy/beam ! Combined flux in latest and established models = 0.424655 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 81 components and 0.424655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184290Jy sigma=1.902010 ! Fit after self-cal, rms=0.184286Jy sigma=1.901986 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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 = 0.000174157 Jy ! Component: 100 - total flux cleaned = 0.000175263 Jy ! Component: 150 - total flux cleaned = 0.000206283 Jy ! Component: 200 - total flux cleaned = 0.000207727 Jy ! Total flux subtracted in 200 components = 0.000207727 Jy ! Clean residual min=-0.004509 max=0.004852 Jy/beam ! Clean residual mean=0.000010 rms=0.001278 Jy/beam ! Combined flux in latest and established models = 0.424863 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 84 components and 0.424863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184291Jy sigma=1.902011 ! Fit after self-cal, rms=0.184291Jy sigma=1.901993 ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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 ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.6257 mas, bmaj=1.373 mas, bpa=-7.863 degrees ! Estimated noise=0.618619 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6257 x 1.373 at -7.863 degrees (North through East) ! Clean map min=-0.003873 max=0.31129 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 ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.5868 mas, bmaj=1.247 mas, bpa=-9.328 degrees ! Estimated noise=0.978116 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.242162 Jy ! Component: 100 - total flux cleaned = 0.316505 Jy ! Component: 150 - total flux cleaned = 0.354727 Jy ! Component: 200 - total flux cleaned = 0.377168 Jy ! Total flux subtracted in 200 components = 0.377168 Jy ! Clean residual min=-0.010038 max=0.011374 Jy/beam ! Clean residual mean=0.000005 rms=0.002186 Jy/beam ! Combined flux in latest and established models = 0.377168 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.377168 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.6257 mas, bmaj=1.373 mas, bpa=-7.863 degrees ! Estimated noise=0.618619 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 = 0.0142755 Jy ! Component: 100 - total flux cleaned = 0.022619 Jy ! Component: 150 - total flux cleaned = 0.0287626 Jy ! Component: 200 - total flux cleaned = 0.0333789 Jy ! Total flux subtracted in 200 components = 0.0333789 Jy ! Clean residual min=-0.005324 max=0.004848 Jy/beam ! Clean residual mean=0.000010 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 0.410547 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 29 components and 0.410547 Jy ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec 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 ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=2.293 mas, bmaj=2.677 mas, bpa=-12.06 degrees ! Estimated noise=0.892434 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00579365 Jy ! Component: 100 - total flux cleaned = 0.00804542 Jy ! Component: 150 - total flux cleaned = 0.00967199 Jy ! Component: 200 - total flux cleaned = 0.0108656 Jy ! Total flux subtracted in 200 components = 0.0108656 Jy ! Clean residual min=-0.004459 max=0.005021 Jy/beam ! Clean residual mean=0.000015 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.421413 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 = 0.000996119 Jy ! Component: 100 - total flux cleaned = 0.00173431 Jy ! Component: 150 - total flux cleaned = 0.00211697 Jy ! Component: 200 - total flux cleaned = 0.00238238 Jy ! Total flux subtracted in 200 components = 0.00238238 Jy ! Clean residual min=-0.004376 max=0.004961 Jy/beam ! Clean residual mean=0.000011 rms=0.001281 Jy/beam ! Combined flux in latest and established models = 0.423795 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 53 components and 0.423795 Jy ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! Estimated beam: bmin=0.6257 mas, bmaj=1.373 mas, bpa=-7.863 degrees ! Estimated noise=0.618619 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115827 Jy ! Component: 100 - total flux cleaned = 0.000978581 Jy ! Component: 150 - total flux cleaned = 0.000979069 Jy ! Component: 200 - total flux cleaned = 0.000826866 Jy ! Total flux subtracted in 200 components = 0.000826866 Jy ! Clean residual min=-0.004828 max=0.004807 Jy/beam ! Clean residual mean=0.000004 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 0.424622 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 71 components and 0.424622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184365Jy sigma=1.902490 ! Fit after self-cal, rms=0.184329Jy sigma=1.902325 wmodel J1756+1535_X_map.mod ! Writing 71 model components to file: J1756+1535_X_map.mod wobs J1756+1535_X_uvs.fits ! Writing UV FITS file: J1756+1535_X_uvs.fits wwins J1756+1535_X_map.win ! wwins: Wrote 4 windows to J1756+1535_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00051568 Jy ! Component: 100 - total flux cleaned = -0.00123593 Jy ! Component: 150 - total flux cleaned = -0.00185007 Jy ! Component: 200 - total flux cleaned = -0.0024491 Jy ! Component: 250 - total flux cleaned = -0.00303136 Jy ! Component: 300 - total flux cleaned = -0.00317382 Jy ! Component: 350 - total flux cleaned = -0.00338274 Jy ! Component: 400 - total flux cleaned = -0.00358736 Jy ! Component: 450 - total flux cleaned = -0.0035188 Jy ! Component: 500 - total flux cleaned = -0.00318835 Jy ! Component: 550 - total flux cleaned = -0.00325101 Jy ! Component: 600 - total flux cleaned = -0.00293082 Jy ! Component: 650 - total flux cleaned = -0.00286764 Jy ! Component: 700 - total flux cleaned = -0.00268074 Jy ! Component: 750 - total flux cleaned = -0.0026187 Jy ! Component: 800 - total flux cleaned = -0.00249746 Jy ! Component: 850 - total flux cleaned = -0.00213944 Jy ! Component: 900 - total flux cleaned = -0.00213998 Jy ! Component: 950 - total flux cleaned = -0.00184768 Jy ! Component: 1000 - total flux cleaned = -0.00161768 Jy ! Component: 1050 - total flux cleaned = -0.00150392 Jy ! Component: 1100 - total flux cleaned = -0.00144713 Jy ! Component: 1150 - total flux cleaned = -0.00100068 Jy ! Component: 1200 - total flux cleaned = -0.000945961 Jy ! Component: 1250 - total flux cleaned = -0.000836557 Jy ! Component: 1300 - total flux cleaned = -0.000890313 Jy ! Component: 1350 - total flux cleaned = -0.000676756 Jy ! Component: 1400 - total flux cleaned = -0.000412721 Jy ! Component: 1450 - total flux cleaned = -0.000623018 Jy ! Component: 1500 - total flux cleaned = -0.000415588 Jy ! Component: 1550 - total flux cleaned = -0.00051912 Jy ! Component: 1600 - total flux cleaned = -0.000468009 Jy ! Component: 1650 - total flux cleaned = -0.000417792 Jy ! Component: 1700 - total flux cleaned = -0.000516812 Jy ! Component: 1750 - total flux cleaned = -0.000665127 Jy ! Component: 1800 - total flux cleaned = -0.000616228 Jy ! Component: 1850 - total flux cleaned = -0.000616111 Jy ! Component: 1900 - total flux cleaned = -0.000664141 Jy ! Component: 1950 - total flux cleaned = -0.000616158 Jy ! Component: 2000 - total flux cleaned = -0.000806018 Jy ! Component: 2050 - total flux cleaned = -0.000758693 Jy ! Component: 2100 - total flux cleaned = -0.000945124 Jy ! Component: 2150 - total flux cleaned = -0.00117591 Jy ! Component: 2200 - total flux cleaned = -0.00126794 Jy ! Component: 2250 - total flux cleaned = -0.00126759 Jy ! Component: 2300 - total flux cleaned = -0.0012682 Jy ! Component: 2350 - total flux cleaned = -0.00153699 Jy ! Component: 2400 - total flux cleaned = -0.00153649 Jy ! Component: 2450 - total flux cleaned = -0.00162424 Jy ! Component: 2500 - total flux cleaned = -0.00144847 Jy ! Component: 2550 - total flux cleaned = -0.00157882 Jy ! Component: 2600 - total flux cleaned = -0.00179439 Jy ! Component: 2650 - total flux cleaned = -0.00162278 Jy ! Component: 2700 - total flux cleaned = -0.0019208 Jy ! Component: 2750 - total flux cleaned = -0.00170924 Jy ! Component: 2800 - total flux cleaned = -0.00191877 Jy ! Component: 2850 - total flux cleaned = -0.00200111 Jy ! Component: 2900 - total flux cleaned = -0.00208407 Jy ! Component: 2950 - total flux cleaned = -0.00204213 Jy ! Component: 3000 - total flux cleaned = -0.00208328 Jy ! Component: 3050 - total flux cleaned = -0.00248874 Jy ! Component: 3100 - total flux cleaned = -0.00248873 Jy ! Component: 3150 - total flux cleaned = -0.00244916 Jy ! Component: 3200 - total flux cleaned = -0.00252864 Jy ! Component: 3250 - total flux cleaned = -0.00264751 Jy ! Component: 3300 - total flux cleaned = -0.00256912 Jy ! Component: 3350 - total flux cleaned = -0.00264748 Jy ! Component: 3400 - total flux cleaned = -0.0028412 Jy ! Component: 3450 - total flux cleaned = -0.00291822 Jy ! Component: 3500 - total flux cleaned = -0.00299483 Jy ! Component: 3550 - total flux cleaned = -0.00295651 Jy ! Component: 3600 - total flux cleaned = -0.00291907 Jy ! Component: 3650 - total flux cleaned = -0.00322024 Jy ! Component: 3700 - total flux cleaned = -0.00314541 Jy ! Component: 3750 - total flux cleaned = -0.00318308 Jy ! Component: 3800 - total flux cleaned = -0.00322002 Jy ! Component: 3850 - total flux cleaned = -0.00325663 Jy ! Component: 3900 - total flux cleaned = -0.00321998 Jy ! Component: 3950 - total flux cleaned = -0.00325607 Jy ! Component: 4000 - total flux cleaned = -0.00329186 Jy ! Component: 4050 - total flux cleaned = -0.00329184 Jy ! Total flux subtracted in 4096 components = -0.00329179 Jy ! Clean residual min=-0.002175 max=0.002601 Jy/beam ! Clean residual mean=0.000001 rms=0.000581 Jy/beam ! Combined flux in latest and established models = 0.42133 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 355 components and 0.42133 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /scr/pima/rdv76_uvs/J1756+1535_X_map.fits ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6257 x 1.373 at -7.863 degrees (North through East) ! Clean map min=-0.0038623 max=0.3103 Jy/beam ! Writing clean map to FITS file: /scr/pima/rdv76_uvs/J1756+1535_X_map.fits wmodel /scr/pima/rdv76_uvs/J1756+1535_X_map.mod ! Writing 355 model components to file: /scr/pima/rdv76_uvs/J1756+1535_X_map.mod wobs /scr/pima/rdv76_uvs/J1756+1535_X_uvs.fits ! Writing UV FITS file: /scr/pima/rdv76_uvs/J1756+1535_X_uvs.fits wwins /scr/pima/rdv76_uvs/J1756+1535_X_map.win ! wwins: Wrote 5 windows to /scr/pima/rdv76_uvs/J1756+1535_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.310303 invert ! Inverting map ! Your choice of large map pixels excluded 2.51% of the data. ! The x-axis pixel size should ideally be below 0.1833 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000577644 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.558464 0.558464 1.11693 2.23386 4.46771 8.93542 17.8708 35.7417 71.4834 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.31 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 537.187 quit ! Quitting program ! Log file /scr/pima/rdv76_uvs/J1756+1535_X_dfm.log closed on Fri Jun 15 03:56:27 2018