! Started logfile: 1657-261_X.log on Wed Aug 13 13:11:13 2008 observe 1657-261_X.edt ! Reading UV FITS file: 1657-261_X.edt ! AN table 1: 45 integrations on 171 of 171 possible baselines. ! AN table 2: 12 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0406279 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1657-261 ! ! 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 1526 lines of history. ! ! Reading 1584 visibilities. ![@gonzo7-0.1-pw 1657-261_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 = 7.0 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 792 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 792 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 792 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 795 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.423589Jy sigma=8.033295 ! Fit after self-cal, rms=0.421724Jy sigma=8.079206 ! 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 peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=0.6678 mas, bmaj=1.664 mas, bpa=-0.5373 degrees ! Estimated noise=1.99898 mJy/beam. ! Added new window around map position (0, 0). 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.461478 Jy ! Total flux subtracted in 50 components = 0.461478 Jy ! Clean residual min=-0.039892 max=0.128700 Jy/beam ! Clean residual mean=0.000468 rms=0.015505 Jy/beam ! Combined flux in latest and established models = 0.461478 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.461478 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204271Jy sigma=3.772978 ! Fit after self-cal, rms=0.204270Jy sigma=3.772979 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.106115 Jy ! Total flux subtracted in 50 components = 0.106115 Jy ! Clean residual min=-0.029764 max=0.046712 Jy/beam ! Clean residual mean=0.000092 rms=0.008884 Jy/beam ! Combined flux in latest and established models = 0.567593 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 9 components and 0.567593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149585Jy sigma=2.323134 ! Fit after self-cal, rms=0.149580Jy sigma=2.323002 ! 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=0.8224 mas, bmaj=1.955 mas, bpa=1.088 degrees ! Estimated noise=1.23094 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 = 0.0498265 Jy ! Component: 100 - total flux cleaned = 0.0698448 Jy ! Total flux subtracted in 100 components = 0.0698448 Jy ! Clean residual min=-0.015714 max=0.023163 Jy/beam ! Clean residual mean=-0.000768 rms=0.004968 Jy/beam ! Combined flux in latest and established models = 0.637438 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 18 components and 0.637438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134095Jy sigma=1.901629 ! Fit after self-cal, rms=0.134062Jy sigma=1.901437 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.91 GC 1.00* HH 1.00* ! HN 1.00* KK 1.07 KP 1.05 LA 0.93 ! MA 1.00* MK 1.02 NL 1.15 NY 1.00* ! OV 0.97 PT 0.91 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 1.11 KP 0.91 LA 0.94 ! MA 1.00* MK 0.90 NL 1.04 NY 1.00* ! OV 0.99 PT 1.08 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.06 GC 1.00* HH 1.00* ! HN 1.00* KK 1.08 KP 0.86 LA 1.05 ! MA 1.00* MK 0.95 NL 1.13 NY 1.00* ! OV 0.89 PT 1.02 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 1.08 GC 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 0.94 LA 1.26 ! MA 1.00* MK 1.02 NL 1.09 NY 1.00* ! OV 1.06 PT 1.04 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.134062Jy sigma=1.901437 ! Fit after self-cal, rms=0.074478Jy sigma=1.218823 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9477 mas, bmaj=5.24 mas, bpa=-4.163 degrees ! Estimated noise=1.19405 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 = 0.00126505 Jy ! Component: 100 - total flux cleaned = 0.00130894 Jy ! Total flux subtracted in 100 components = 0.00130894 Jy ! Clean residual min=-0.005739 max=0.004196 Jy/beam ! Clean residual mean=-0.000132 rms=0.001336 Jy/beam ! Combined flux in latest and established models = 0.638747 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 26 components and 0.638747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074319Jy sigma=1.218676 ! Fit after self-cal, rms=0.074347Jy sigma=1.218014 ! 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 = 0.000576446 Jy ! Component: 100 - total flux cleaned = 0.000460729 Jy ! Total flux subtracted in 100 components = 0.000460729 Jy ! Clean residual min=-0.005667 max=0.004243 Jy/beam ! Clean residual mean=-0.000139 rms=0.001336 Jy/beam ! Combined flux in latest and established models = 0.639208 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 31 components and 0.639208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074283Jy sigma=1.218238 ! Fit after self-cal, rms=0.073989Jy sigma=1.178968 ! Inverting map and beam ! Estimated beam: bmin=0.9489 mas, bmaj=5.237 mas, bpa=-4.159 degrees ! Estimated noise=1.1998 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 = 0.00228998 Jy ! Component: 100 - total flux cleaned = 0.00227734 Jy ! Total flux subtracted in 100 components = 0.00227734 Jy ! Clean residual min=-0.005248 max=0.004261 Jy/beam ! Clean residual mean=-0.000035 rms=0.001311 Jy/beam ! Combined flux in latest and established models = 0.641485 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 35 components and 0.641485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073834Jy sigma=1.178818 ! Fit after self-cal, rms=0.073877Jy sigma=1.178429 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1657-261_X ! Writing UV FITS file: 1657-261_X.uvf ! Writing 35 model components to file: 1657-261_X.mod ! wwins: Wrote 1 windows to 1657-261_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9489 x 5.237 at -4.159 degrees (North through East) ! Clean map min=-0.005162 max=0.60371 Jy/beam ! Writing clean map to FITS file: 1657-261_X.fits ! Writing difmap environment to: 1657-261_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1657-261_X] device 1657-261_Xuv.ps/vps,1,2 ! Attempting to open device: '1657-261_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1657-261_Xim.ps/vps ! Attempting to open device: '1657-261_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=0.9489 mas, bmaj=5.237 mas, bpa=-4.159 degrees ! Estimated noise=1.1998 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9489 x 5.237 at -4.159 degrees (North through East) ! Clean map min=-0.005162 max=0.60371 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1-pw] quit ! Quitting program ! Log file 1657-261_X.log closed on Wed Aug 13 13:11:21 2008