! Started logfile: 1908-201_X.log on Mon Mar 31 22:49:52 2008 observe 1908-201_X.edt ! Reading UV FITS file: 1908-201_X.edt ! AN table 1: 9 integrations on 136 of 136 possible baselines. ! AN table 2: 93 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0902537 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1908-201 ! ! 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 1222 lines of history. ! ! Reading 5008 visibilities. ![@gonzo8-0.1 1908-201_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 121 telescope corrections were flagged in sub-array 1. ! A total of 1315 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 121 telescope corrections were flagged in sub-array 1. ! A total of 1311 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 121 telescope corrections were flagged in sub-array 1. ! A total of 1311 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 121 telescope corrections were flagged in sub-array 1. ! A total of 1338 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.264370Jy sigma=0.020005 ! Fit after self-cal, rms=1.264238Jy sigma=0.020006 ! 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=0.6008 mas, bmaj=2.826 mas, bpa=-4.141 degrees ! Estimated noise=1164.03 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 = 1.68573 Jy ! Total flux subtracted in 50 components = 1.68573 Jy ! Clean residual min=-0.116558 max=0.484865 Jy/beam ! Clean residual mean=0.000410 rms=0.042371 Jy/beam ! Combined flux in latest and established models = 1.68573 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.68573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.659327Jy sigma=0.010617 ! Fit after self-cal, rms=0.659321Jy sigma=0.010617 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.472692 Jy ! Total flux subtracted in 50 components = 0.472692 Jy ! Clean residual min=-0.057122 max=0.193305 Jy/beam ! Clean residual mean=0.000243 rms=0.019030 Jy/beam ! Combined flux in latest and established models = 2.15843 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 2.15843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309314Jy sigma=0.005001 ! Fit after self-cal, rms=0.309316Jy sigma=0.005001 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.197761 Jy ! Total flux subtracted in 50 components = 0.197761 Jy ! Clean residual min=-0.039681 max=0.084591 Jy/beam ! Clean residual mean=0.000175 rms=0.010476 Jy/beam ! Combined flux in latest and established models = 2.35619 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 17 components and 2.35619 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189850Jy sigma=0.002964 ! Fit after self-cal, rms=0.189832Jy sigma=0.002963 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0892378 Jy ! Total flux subtracted in 50 components = 0.0892378 Jy ! Clean residual min=-0.033128 max=0.042124 Jy/beam ! Clean residual mean=0.000148 rms=0.007627 Jy/beam ! Combined flux in latest and established models = 2.44542 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 43 components and 2.44543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155627Jy sigma=0.002288 ! Fit after self-cal, rms=0.155545Jy sigma=0.002287 ! 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=0.6524 mas, bmaj=3.078 mas, bpa=-5.208 degrees ! Estimated noise=775.171 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 = 0.0645732 Jy ! Component: 100 - total flux cleaned = 0.102406 Jy ! Total flux subtracted in 100 components = 0.102406 Jy ! Clean residual min=-0.023255 max=0.038532 Jy/beam ! Clean residual mean=0.001464 rms=0.006519 Jy/beam ! Combined flux in latest and established models = 2.54783 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 72 components and 2.54783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132049Jy sigma=0.001802 ! Fit after self-cal, rms=0.131678Jy sigma=0.001799 ! 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 1.02 FD 1.00 GC 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.99 MC 1.00* ! MK 1.00 NL 0.99 NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.00* HN 1.01 ! KK 1.00* KP 0.99 LA 0.99 MC 1.04 ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00 WF 1.00 ! WZ 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.98 MC 1.00* ! MK 1.01 NL 0.99 NY 1.00* ON 1.00* ! OV 1.00 PT 0.99 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.00* HN 1.01 ! KK 1.00* KP 0.99 LA 0.99 MC 1.04 ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00 WF 0.99 ! WZ 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.99 MC 1.00* ! MK 1.01 NL 0.99 NY 1.00* ON 1.00* ! OV 1.00 PT 0.99 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.00* HN 1.00 ! KK 1.00* KP 0.99 LA 0.99 MC 1.05 ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00 WF 0.99 ! WZ 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.99 MC 1.00* ! MK 1.00 NL 0.99 NY 1.00* ON 1.00* ! OV 1.00 PT 0.99 SC 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 0.99 GC 1.00* HN 1.00 ! KK 1.00* KP 0.99 LA 0.99 MC 1.05 ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00 WF 0.99 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.131678Jy sigma=0.001799 ! Fit after self-cal, rms=0.126572Jy sigma=0.001682 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6606 mas, bmaj=3.085 mas, bpa=-5.177 degrees ! Estimated noise=774.094 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 = 0.00662103 Jy ! Component: 100 - total flux cleaned = 0.0066257 Jy ! Total flux subtracted in 100 components = 0.0066257 Jy ! Clean residual min=-0.018961 max=0.033024 Jy/beam ! Clean residual mean=0.001399 rms=0.005439 Jy/beam ! Combined flux in latest and established models = 2.55446 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 82 components and 2.55446 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125115Jy sigma=0.001661 ! Fit after self-cal, rms=0.124853Jy sigma=0.001659 ! 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) ! Added new window around map position (4.5, 5.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.03475 Jy ! Component: 100 - total flux cleaned = 0.0534709 Jy ! Total flux subtracted in 100 components = 0.0534709 Jy ! Clean residual min=-0.017460 max=0.024543 Jy/beam ! Clean residual mean=0.000862 rms=0.004151 Jy/beam ! Combined flux in latest and established models = 2.60793 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 118 components and 2.60793 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116789Jy sigma=0.001487 ! Fit after self-cal, rms=0.114554Jy sigma=0.001453 ! Inverting map and beam ! Estimated beam: bmin=0.6613 mas, bmaj=3.088 mas, bpa=-5.191 degrees ! Estimated noise=774.126 mJy/beam. ! Added new window around map position (2, 2.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0203626 Jy ! Component: 100 - total flux cleaned = 0.0265975 Jy ! Total flux subtracted in 100 components = 0.0265975 Jy ! Clean residual min=-0.018121 max=0.014635 Jy/beam ! Clean residual mean=0.000579 rms=0.003348 Jy/beam ! Combined flux in latest and established models = 2.63453 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 139 components and 2.63453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108940Jy sigma=0.001375 ! Fit after self-cal, rms=0.107720Jy sigma=0.001361 ! Inverting map and beam ! Estimated beam: bmin=0.6608 mas, bmaj=3.086 mas, bpa=-5.186 degrees ! Estimated noise=774.346 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 = 0.0123043 Jy ! Component: 100 - total flux cleaned = 0.0146799 Jy ! Total flux subtracted in 100 components = 0.0146799 Jy ! Clean residual min=-0.017336 max=0.012271 Jy/beam ! Clean residual mean=0.000443 rms=0.002927 Jy/beam ! Combined flux in latest and established models = 2.64921 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 152 components and 2.64921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104631Jy sigma=0.001322 ! Fit after self-cal, rms=0.104312Jy sigma=0.001318 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1908-201_X ! Writing UV FITS file: 1908-201_X.uvf ! Writing 152 model components to file: 1908-201_X.mod ! wwins: Wrote 3 windows to 1908-201_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6608 x 3.086 at -5.186 degrees (North through East) ! Clean map min=-0.015175 max=2.1534 Jy/beam ! Writing clean map to FITS file: 1908-201_X.fits ! Writing difmap environment to: 1908-201_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1908-201_X] device 1908-201_Xuv.ps/vps,1,2 ! Attempting to open device: '1908-201_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1908-201_Xim.ps/vps ! Attempting to open device: '1908-201_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=0.6608 mas, bmaj=3.086 mas, bpa=-5.186 degrees ! Estimated noise=774.346 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6608 x 3.086 at -5.186 degrees (North through East) ! Clean map min=-0.015175 max=2.1534 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 1908-201_X.log closed on Mon Mar 31 22:49:58 2008