! Started logfile: 0454+844_X.log on Mon Jul 18 12:05:19 2005 observe 0454+844_X.edt ! Reading UV FITS file: 0454+844_X.edt ! AN table 1: 61 integrations on 171 of 171 possible baselines. ! AN table 2: 98 integrations on 171 of 171 possible baselines. ! AN table 3: 86 integrations on 171 of 171 possible baselines. ! AN table 4: 51 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.259799 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0454+844 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1818 lines of history. ! ! Reading 52600 visibilities. ![@gonzo8-0.1 0454+844_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 8.0 float win_mult win_mult = 1.8 float solint solint = 3.6/6.0 logical doflt doflt = true logical doamp float new_peak float flux_cutoff mapsize field_size,field_cell ! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize. select ! 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 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 560 telescope corrections were flagged in sub-array 1. ! A total of 1052 telescope corrections were flagged in sub-array 2. ! A total of 698 telescope corrections were flagged in sub-array 3. ! A total of 523 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 556 telescope corrections were flagged in sub-array 1. ! A total of 1053 telescope corrections were flagged in sub-array 2. ! A total of 735 telescope corrections were flagged in sub-array 3. ! A total of 523 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 560 telescope corrections were flagged in sub-array 1. ! A total of 1054 telescope corrections were flagged in sub-array 2. ! A total of 697 telescope corrections were flagged in sub-array 3. ! A total of 526 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 561 telescope corrections were flagged in sub-array 1. ! A total of 1055 telescope corrections were flagged in sub-array 2. ! A total of 735 telescope corrections were flagged in sub-array 3. ! A total of 522 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.851715Jy sigma=0.015082 ! Fit after self-cal, rms=0.851256Jy sigma=0.015080 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvweight 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. doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.5951 mas, bmaj=0.7559 mas, bpa=64.62 degrees ! Estimated noise=420.675 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.102107 Jy ! Total flux subtracted in 50 components = 0.102107 Jy ! Clean residual min=-0.004552 max=0.030774 Jy/beam ! Clean residual mean=0.000010 rms=0.001416 Jy/beam ! Combined flux in latest and established models = 0.102107 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.102107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090907Jy sigma=0.001578 ! Fit after self-cal, rms=0.090897Jy sigma=0.001577 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0301057 Jy ! Total flux subtracted in 50 components = 0.0301057 Jy ! Clean residual min=-0.003466 max=0.012227 Jy/beam ! Clean residual mean=0.000007 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 0.132213 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.132213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077716Jy sigma=0.001320 ! Fit after self-cal, rms=0.077705Jy sigma=0.001320 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0139744 Jy ! Total flux subtracted in 50 components = 0.0139744 Jy ! Clean residual min=-0.003157 max=0.007886 Jy/beam ! Clean residual mean=0.000005 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.146187 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 16 components and 0.146187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074022Jy sigma=0.001245 ! Fit after self-cal, rms=0.074000Jy sigma=0.001244 ! Inverting map ! Added new window around map position (0.3, -1.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00921929 Jy ! Total flux subtracted in 50 components = 0.00921929 Jy ! Clean residual min=-0.002912 max=0.005333 Jy/beam ! Clean residual mean=0.000004 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.155406 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 29 components and 0.155406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072282Jy sigma=0.001209 ! Fit after self-cal, rms=0.072254Jy sigma=0.001208 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00676335 Jy ! Total flux subtracted in 50 components = 0.00676335 Jy ! Clean residual min=-0.002726 max=0.004315 Jy/beam ! Clean residual mean=0.000004 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.16217 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 0.16217 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071283Jy sigma=0.001188 ! Fit after self-cal, rms=0.071266Jy sigma=0.001188 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Uniform Weighting CLEAN ***" ! *** Finished Uniform Weighting CLEAN *** print "****************************************" ! **************************************** uvweight 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 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9126 mas, bmaj=1.012 mas, bpa=60.88 degrees ! Estimated noise=190.251 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108169 Jy ! Component: 100 - total flux cleaned = 0.016773 Jy ! Total flux subtracted in 100 components = 0.016773 Jy ! Clean residual min=-0.001676 max=0.004118 Jy/beam ! Clean residual mean=-0.000017 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.178943 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 66 components and 0.178943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069860Jy sigma=0.001159 ! Fit after self-cal, rms=0.069807Jy sigma=0.001158 ! Inverting map ! Added new window around map position (0.4, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00417606 Jy ! Component: 100 - total flux cleaned = 0.00648165 Jy ! Total flux subtracted in 100 components = 0.00648165 Jy ! Clean residual min=-0.001498 max=0.002142 Jy/beam ! Clean residual mean=-0.000015 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.185424 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 85 components and 0.185424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069589Jy sigma=0.001154 ! Fit after self-cal, rms=0.069567Jy sigma=0.001153 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 0.98 HH 1.00* ! HN 0.97 KK 1.00* KP 1.01 LA 1.02 ! MC 1.00* MK 0.99 NL 1.02 NY 0.94 ! ON 1.00* OV 1.01 PT 1.02 SC 1.00* ! TS 1.00* WF 0.86 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 GC 1.00* HH 1.00* ! HN 1.03 KK 1.00* KP 1.04 LA 1.03 ! MC 1.00* MK 1.01 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 1.01 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.99 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00 KP 1.00 LA 0.93 ! MC 1.00* MK 1.07 NL 0.96 NY 1.00* ! ON 1.00* OV 1.01 PT 0.97 SC 1.05 ! TS 1.03 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.97 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.95 LA 0.99 ! MC 1.00* MK 1.00* NL 1.07 NY 1.00* ! ON 1.00* OV 1.00 PT 0.95 SC 1.09 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 GC 1.02 HH 1.00* ! HN 0.99 KK 1.00* KP 1.00 LA 1.02 ! MC 1.00* MK 0.97 NL 1.04 NY 0.96 ! ON 1.00* OV 1.03 PT 1.04 SC 1.00* ! TS 1.00* WF 0.91 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 1.00 LA 1.02 ! MC 1.00* MK 0.99 NL 0.98 NY 1.00* ! ON 1.00* OV 1.01 PT 1.04 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.96 GC 1.00* HH 1.00* ! HN 0.99 KK 1.01 KP 1.02 LA 0.90 ! MC 1.00* MK 1.06 NL 0.97 NY 1.00* ! ON 1.00* OV 1.01 PT 0.99 SC 1.09 ! TS 1.06 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 0.97 GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 0.98 LA 1.01 ! MC 1.00* MK 1.00* NL 1.02 NY 1.00* ! ON 1.00* OV 0.97 PT 0.96 SC 1.08 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GC 1.00 HH 1.00* ! HN 1.06 KK 1.00* KP 1.01 LA 1.02 ! MC 1.00* MK 0.96 NL 1.05 NY 0.97 ! ON 1.00* OV 1.01 PT 1.00 SC 1.00* ! TS 1.00* WF 0.86 WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.00 LA 1.03 ! MC 1.00* MK 0.99 NL 1.00 NY 1.00* ! ON 1.00* OV 1.01 PT 1.04 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.97 GC 1.00* HH 1.00* ! HN 0.96 KK 0.96 KP 0.99 LA 0.91 ! MC 1.00* MK 1.07 NL 0.99 NY 1.00* ! ON 1.00* OV 1.02 PT 0.98 SC 1.03 ! TS 1.03 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.05 FD 1.00 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.99 LA 0.97 ! MC 1.00* MK 1.00* NL 1.01 NY 1.00* ! ON 1.00* OV 0.99 PT 0.97 SC 1.12 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 1.02 HH 1.00* ! HN 1.01 KK 1.00* KP 0.99 LA 1.00 ! MC 1.00* MK 1.01 NL 1.04 NY 0.95 ! ON 1.00* OV 0.98 PT 0.99 SC 1.00* ! TS 1.00* WF 0.81 WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.99 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 1.01 LA 1.02 ! MC 1.00* MK 1.03 NL 1.01 NY 1.00* ! ON 1.00* OV 0.98 PT 1.02 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.97 GC 1.00* HH 1.00* ! HN 0.98 KK 0.93 KP 1.02 LA 0.90 ! MC 1.00* MK 1.06 NL 0.97 NY 1.00* ! ON 1.00* OV 1.01 PT 0.99 SC 1.01 ! TS 1.04 WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.98 GC 1.00* HH 1.00* ! HN 0.98 KK 1.00* KP 1.00 LA 0.98 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.01 PT 1.01 SC 1.16 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.069567Jy sigma=0.001153 ! Fit after self-cal, rms=0.068520Jy sigma=0.001146 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9196 mas, bmaj=1.019 mas, bpa=60.34 degrees ! Estimated noise=189.764 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000957269 Jy ! Component: 100 - total flux cleaned = 0.00108577 Jy ! Total flux subtracted in 100 components = 0.00108577 Jy ! Clean residual min=-0.000972 max=0.001157 Jy/beam ! Clean residual mean=-0.000011 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.18651 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 98 components and 0.18651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068505Jy sigma=0.001145 ! Fit after self-cal, rms=0.068504Jy sigma=0.001145 ! Inverting map dynam = dynam - 1.0 doamp = true solint = solint * (6.0/3.6) 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000159394 Jy ! Component: 100 - total flux cleaned = 0.000200024 Jy ! Total flux subtracted in 100 components = 0.000200024 Jy ! Clean residual min=-0.000949 max=0.001131 Jy/beam ! Clean residual mean=-0.000011 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.18671 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 101 components and 0.18671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068497Jy sigma=0.001145 ! Fit after self-cal, rms=0.067584Jy sigma=0.001108 ! Inverting map and beam ! Estimated beam: bmin=0.9212 mas, bmaj=1.019 mas, bpa=59.67 degrees ! Estimated noise=190.411 mJy/beam. doamp = false solint = solint / (6.0/3.6) 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000737648 Jy ! Component: 100 - total flux cleaned = 0.000875708 Jy ! Total flux subtracted in 100 components = 0.000875708 Jy ! Clean residual min=-0.000848 max=0.001034 Jy/beam ! Clean residual mean=-0.000011 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.187586 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 112 components and 0.187586 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067577Jy sigma=0.001108 ! Fit after self-cal, rms=0.067578Jy sigma=0.001108 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0454+844_X ! Writing UV FITS file: 0454+844_X.uvf ! Writing 112 model components to file: 0454+844_X.mod ! wwins: Wrote 3 windows to 0454+844_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9212 x 1.019 at 59.67 degrees (North through East) ! Clean map min=-0.00083441 max=0.14279 Jy/beam ! Writing clean map to FITS file: 0454+844_X.fits ! Writing difmap environment to: 0454+844_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0454+844_X] device 0454+844_Xuv.ps/vps,1,2 ! Attempting to open device: '0454+844_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0454+844_Xim.ps/vps ! Attempting to open device: '0454+844_Xim.ps/vps' uvweight 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. loglevs -1,2048,2 ! The new contour levels are: ! -1 1 2 4 8 16 32 64 128 256 512 1024 2048 cmul = imstat(rms)*3 ! Inverting map and beam ! Estimated beam: bmin=0.9212 mas, bmaj=1.019 mas, bpa=59.67 degrees ! Estimated noise=190.411 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9212 x 1.019 at 59.67 degrees (North through East) ! Clean map min=-0.00083441 max=0.14279 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0454+844_X.log closed on Mon Jul 18 12:06:52 2005