! Started logfile: 1622-253_X.log on Tue Mar 25 11:43:41 2008 observe 1622-253_X.edt ! Reading UV FITS file: 1622-253_X.edt ! AN table 1: 15 integrations on 136 of 136 possible baselines. ! AN table 2: 3 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.127451 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1622-253 ! ! 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 1214 lines of history. ! ! Reading 1248 visibilities. ![@gonzo8-0.1 1622-253_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 187 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 186 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 187 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 187 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.433728Jy sigma=0.024232 ! Fit after self-cal, rms=1.447928Jy sigma=0.024513 ! 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=0.634 mas, bmaj=1.782 mas, bpa=2.088 degrees ! Estimated noise=2728.81 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 = 1.84545 Jy ! Total flux subtracted in 50 components = 1.84545 Jy ! Clean residual min=-0.134430 max=0.514667 Jy/beam ! Clean residual mean=0.000731 rms=0.048180 Jy/beam ! Combined flux in latest and established models = 1.84545 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 1.84545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.623725Jy sigma=0.011017 ! Fit after self-cal, rms=0.623725Jy sigma=0.011017 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.410515 Jy ! Total flux subtracted in 50 components = 0.410515 Jy ! Clean residual min=-0.050453 max=0.138599 Jy/beam ! Clean residual mean=0.000329 rms=0.019742 Jy/beam ! Combined flux in latest and established models = 2.25597 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 2.25597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273817Jy sigma=0.004910 ! Fit after self-cal, rms=0.273772Jy sigma=0.004910 ! 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=0.9173 mas, bmaj=2.476 mas, bpa=0.3083 degrees ! Estimated noise=1462.46 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 = 0.206614 Jy ! Component: 100 - total flux cleaned = 0.285628 Jy ! Total flux subtracted in 100 components = 0.285628 Jy ! Clean residual min=-0.016487 max=0.039108 Jy/beam ! Clean residual mean=0.000127 rms=0.007873 Jy/beam ! Combined flux in latest and established models = 2.5416 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 47 components and 2.5416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125721Jy sigma=0.001777 ! Fit after self-cal, rms=0.125551Jy sigma=0.001776 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00* ! KK 1.05 KP 0.98 LA 0.98 MC 1.00* ! MK 0.95 NL 1.03 NY 1.00* ON 1.00* ! OV 0.99 PT 0.96 SC 1.02 WF 1.27 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 1.00* HN 1.00* ! KK 1.03 KP 0.98 LA 1.00 MC 1.00* ! MK 0.93 NL 1.02 NY 1.00* ON 1.00* ! OV 0.98 PT 0.98 SC 1.04 WF 1.17 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 GC 1.00* HN 1.00* ! KK 1.03 KP 1.00 LA 0.98 MC 1.00* ! MK 0.96 NL 1.03 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.00 WF 1.35 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.00* HN 1.00* ! KK 1.01 KP 0.98 LA 0.99 MC 1.00* ! MK 0.95 NL 0.98 NY 1.00* ON 1.00* ! OV 1.00 PT 0.98 SC 1.02 WF 1.44 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Fit before self-cal, rms=0.125551Jy sigma=0.001776 ! Fit after self-cal, rms=0.093778Jy sigma=0.001276 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9274 mas, bmaj=2.481 mas, bpa=0.6857 degrees ! Estimated noise=1458.33 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 = 0.00182184 Jy ! Component: 100 - total flux cleaned = 0.00182626 Jy ! Total flux subtracted in 100 components = 0.00182626 Jy ! Clean residual min=-0.009640 max=0.018361 Jy/beam ! Clean residual mean=0.000036 rms=0.002953 Jy/beam ! Combined flux in latest and established models = 2.54342 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 51 components and 2.54342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093440Jy sigma=0.001271 ! Fit after self-cal, rms=0.093346Jy sigma=0.001270 ! 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 (-2.7, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151059 Jy ! Component: 100 - total flux cleaned = 0.0179685 Jy ! Total flux subtracted in 100 components = 0.0179685 Jy ! Clean residual min=-0.008008 max=0.009596 Jy/beam ! Clean residual mean=0.000018 rms=0.002250 Jy/beam ! Combined flux in latest and established models = 2.56139 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 2.56139 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091117Jy sigma=0.001231 ! Fit after self-cal, rms=0.089091Jy sigma=0.001201 ! Inverting map and beam ! Estimated beam: bmin=0.9273 mas, bmaj=2.48 mas, bpa=0.7187 degrees ! Estimated noise=1457.7 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 = 0.0053711 Jy ! Component: 100 - total flux cleaned = 0.005399 Jy ! Total flux subtracted in 100 components = 0.005399 Jy ! Clean residual min=-0.007125 max=0.007630 Jy/beam ! Clean residual mean=0.000014 rms=0.001946 Jy/beam ! Combined flux in latest and established models = 2.56679 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 69 components and 2.56679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088597Jy sigma=0.001194 ! Fit after self-cal, rms=0.088552Jy sigma=0.001193 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1622-253_X ! Writing UV FITS file: 1622-253_X.uvf ! Writing 69 model components to file: 1622-253_X.mod ! wwins: Wrote 2 windows to 1622-253_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9273 x 2.48 at 0.7187 degrees (North through East) ! Clean map min=-0.0068352 max=2.4244 Jy/beam ! Writing clean map to FITS file: 1622-253_X.fits ! Writing difmap environment to: 1622-253_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1622-253_X] device 1622-253_Xuv.ps/vps,1,2 ! Attempting to open device: '1622-253_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1622-253_Xim.ps/vps ! Attempting to open device: '1622-253_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=0.9273 mas, bmaj=2.48 mas, bpa=0.7187 degrees ! Estimated noise=1457.7 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9273 x 2.48 at 0.7187 degrees (North through East) ! Clean map min=-0.0068352 max=2.4244 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 1622-253_X.log closed on Tue Mar 25 11:43:45 2008