! Started logfile: 1657-261_X.log on Sun Apr 19 22:30:43 2009 observe 1657-261_X.edt2 ! Reading UV FITS file: 1657-261_X.edt2 ! AN table 1: 32 integrations on 190 of 190 possible baselines. ! AN table 2: 18 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.114632 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 1491 lines of history. ! ! Reading 4356 visibilities. ![@gonzo7-0.1 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 505 telescope corrections were flagged in sub-array 1. ! A total of 336 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 483 telescope corrections were flagged in sub-array 1. ! A total of 328 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 505 telescope corrections were flagged in sub-array 1. ! A total of 332 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 504 telescope corrections were flagged in sub-array 1. ! A total of 333 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.597618Jy sigma=8.667336 ! Fit after self-cal, rms=0.563422Jy sigma=8.765896 ! 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=0.5321 mas, bmaj=1.774 mas, bpa=5.905 degrees ! Estimated noise=2.54984 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 = 0.362583 Jy ! Total flux subtracted in 50 components = 0.362583 Jy ! Clean residual min=-0.038072 max=0.101120 Jy/beam ! Clean residual mean=0.000238 rms=0.012084 Jy/beam ! Combined flux in latest and established models = 0.362583 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 0.362583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173811Jy sigma=2.706893 ! Fit after self-cal, rms=0.173799Jy sigma=2.706892 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0805005 Jy ! Total flux subtracted in 50 components = 0.0805005 Jy ! Clean residual min=-0.026946 max=0.035682 Jy/beam ! Clean residual mean=-0.000007 rms=0.007697 Jy/beam ! Combined flux in latest and established models = 0.443083 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 7 components and 0.443083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146325Jy sigma=1.789038 ! Fit after self-cal, rms=0.146322Jy sigma=1.789027 ! 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=0.6971 mas, bmaj=1.973 mas, bpa=5.148 degrees ! Estimated noise=1.18816 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 = 0.0394571 Jy ! Component: 100 - total flux cleaned = 0.0550995 Jy ! Total flux subtracted in 100 components = 0.0550995 Jy ! Clean residual min=-0.016550 max=0.024070 Jy/beam ! Clean residual mean=-0.000293 rms=0.006230 Jy/beam ! Combined flux in latest and established models = 0.498183 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 0.498183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142636Jy sigma=1.471086 ! Fit after self-cal, rms=0.142623Jy sigma=1.470867 ! 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 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.84 KP 1.18 LA 1.61 ! MA 1.00* MC 1.00* MK 1.02 NL 0.82 ! NY 1.00* ON 1.00* OV 0.97 PT 0.97 ! SC 1.06 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.21 LA 1.00* ! MA 1.00* MC 1.00* MK 0.83 NL 1.00* ! NY 1.00* ON 1.00* OV 0.95 PT 1.08 ! SC 1.00* TS 1.01 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 0.84 KP 1.21 LA 1.54 ! MA 1.00* MC 1.00* MK 1.02 NL 0.95 ! NY 1.00* ON 1.00* OV 0.95 PT 0.97 ! SC 1.18 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.41 LA 1.00* ! MA 1.00* MC 1.00* MK 0.91 NL 1.00* ! NY 1.00* ON 1.00* OV 1.03 PT 1.01 ! SC 1.00* TS 0.91 WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.91 GC 1.00* HH 1.00* ! HN 1.00* KK 0.84 KP 1.21 LA 1.89 ! MA 1.00* MC 1.00* MK 1.03 NL 1.00* ! NY 1.00* ON 1.00* OV 0.95 PT 0.96 ! SC 1.03 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.48 LA 1.00* ! MA 1.00* MC 1.00* MK 0.94 NL 1.00* ! NY 1.00* ON 1.00* OV 0.94 PT 1.05 ! SC 1.00* TS 0.95 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.89 GC 1.00* HH 1.00* ! HN 1.00* KK 0.91 KP 1.28 LA 1.65 ! MA 1.00* MC 1.00* MK 1.03 NL 1.26 ! NY 1.00* ON 1.00* OV 0.96 PT 0.98 ! SC 0.99 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.01 LA 1.00* ! MA 1.00* MC 1.00* MK 1.07 NL 1.00* ! NY 1.00* ON 1.00* OV 0.92 PT 1.17 ! SC 1.00* TS 1.00 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.142623Jy sigma=1.470867 ! Fit after self-cal, rms=0.164683Jy sigma=1.158216 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7045 mas, bmaj=1.976 mas, bpa=4.669 degrees ! Estimated noise=1.17889 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 = 0.00314979 Jy ! Component: 100 - total flux cleaned = 0.00276757 Jy ! Total flux subtracted in 100 components = 0.00276757 Jy ! Clean residual min=-0.006086 max=0.007180 Jy/beam ! Clean residual mean=0.000174 rms=0.001762 Jy/beam ! Combined flux in latest and established models = 0.50095 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 28 components and 0.50095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164459Jy sigma=1.155132 ! Fit after self-cal, rms=0.164653Jy sigma=1.154499 ! 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 = 0.000209682 Jy ! Component: 100 - total flux cleaned = -0.000203767 Jy ! Total flux subtracted in 100 components = -0.000203767 Jy ! Clean residual min=-0.006157 max=0.006971 Jy/beam ! Clean residual mean=0.000173 rms=0.001741 Jy/beam ! Combined flux in latest and established models = 0.500747 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 36 components and 0.500747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164586Jy sigma=1.154248 ! Fit after self-cal, rms=0.210552Jy sigma=1.106553 ! Inverting map and beam ! Estimated beam: bmin=0.7029 mas, bmaj=1.979 mas, bpa=4.43 degrees ! Estimated noise=1.17763 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 = 0.00143162 Jy ! Component: 100 - total flux cleaned = 0.00105071 Jy ! Total flux subtracted in 100 components = 0.00105071 Jy ! Clean residual min=-0.005369 max=0.006278 Jy/beam ! Clean residual mean=0.000161 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 0.501797 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 46 components and 0.501797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210448Jy sigma=1.105253 ! Fit after self-cal, rms=0.210532Jy sigma=1.104956 ! 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 46 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: 0.7029 x 1.979 at 4.43 degrees (North through East) ! Clean map min=-0.0053236 max=0.46855 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=0.7029 mas, bmaj=1.979 mas, bpa=4.43 degrees ! Estimated noise=1.17763 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7029 x 1.979 at 4.43 degrees (North through East) ! Clean map min=-0.0053236 max=0.46855 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 1657-261_X.log closed on Sun Apr 19 22:30:49 2009