! Started logfile: 3C446_X.log on Tue Aug 8 00:13:39 2006 observe 3C446_X.edt ! Reading UV FITS file: 3C446_X.edt ! AN table 1: 42 integrations on 190 of 190 possible baselines. ! AN table 2: 42 integrations on 190 of 190 possible baselines. ! AN table 3: 52 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.114628 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C446 ! ! 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 1409 lines of history. ! ! Reading 11848 visibilities. ![@gonzo8-0.1 3C446_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 658 telescope corrections were flagged in sub-array 1. ! A total of 639 telescope corrections were flagged in sub-array 2. ! A total of 857 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 658 telescope corrections were flagged in sub-array 1. ! A total of 654 telescope corrections were flagged in sub-array 2. ! A total of 865 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 658 telescope corrections were flagged in sub-array 1. ! A total of 639 telescope corrections were flagged in sub-array 2. ! A total of 857 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 658 telescope corrections were flagged in sub-array 1. ! A total of 646 telescope corrections were flagged in sub-array 2. ! A total of 857 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=3.622382Jy sigma=0.052283 ! Fit after self-cal, rms=3.626752Jy sigma=0.052361 ! 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=0.5078 mas, bmaj=1.236 mas, bpa=0.8009 degrees ! Estimated noise=1020.03 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 = 3.4128 Jy ! Total flux subtracted in 50 components = 3.4128 Jy ! Clean residual min=-0.178998 max=0.952751 Jy/beam ! Clean residual mean=0.003041 rms=0.064051 Jy/beam ! Combined flux in latest and established models = 3.4128 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 3.4128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.467719Jy sigma=0.021659 ! Fit after self-cal, rms=1.467718Jy sigma=0.021659 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.946888 Jy ! Total flux subtracted in 50 components = 0.946888 Jy ! Clean residual min=-0.112243 max=0.430271 Jy/beam ! Clean residual mean=0.001901 rms=0.035523 Jy/beam ! Combined flux in latest and established models = 4.35969 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 12 components and 4.35969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.844036Jy sigma=0.012266 ! Fit after self-cal, rms=0.843413Jy sigma=0.012260 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.480677 Jy ! Total flux subtracted in 50 components = 0.480677 Jy ! Clean residual min=-0.081642 max=0.232213 Jy/beam ! Clean residual mean=0.001315 rms=0.022983 Jy/beam ! Combined flux in latest and established models = 4.84036 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 4.84036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.578517Jy sigma=0.008070 ! Fit after self-cal, rms=0.578238Jy sigma=0.008067 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.266658 Jy ! Total flux subtracted in 50 components = 0.266658 Jy ! Clean residual min=-0.067810 max=0.132363 Jy/beam ! Clean residual mean=0.000991 rms=0.017421 Jy/beam ! Combined flux in latest and established models = 5.10702 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 26 components and 5.10702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.459191Jy sigma=0.006128 ! Fit after self-cal, rms=0.459100Jy sigma=0.006126 ! 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=0.5796 mas, bmaj=1.211 mas, bpa=1.519 degrees ! Estimated noise=645.6 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 = 0.209025 Jy ! Component: 100 - total flux cleaned = 0.31239 Jy ! Total flux subtracted in 100 components = 0.31239 Jy ! Clean residual min=-0.075421 max=0.083718 Jy/beam ! Clean residual mean=0.003510 rms=0.018037 Jy/beam ! Combined flux in latest and established models = 5.41941 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 5.41941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.377551Jy sigma=0.004712 ! Fit after self-cal, rms=0.376946Jy sigma=0.004707 ! 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 0.98 FD 0.98 GC 0.96 HN 1.00* ! LA 0.99 NL 0.93 OV 0.98 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.98 ! KP 0.99 MA 1.00* MC 1.00* MK 0.96 ! NY 1.00* TS 1.00 WZ 1.00* PT 0.99 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.07 GC 1.00* HN 0.96 ! LA 1.00* NL 1.02 OV 1.00* SC 0.97 ! WF 1.02 GG 1.00* HH 1.01 KK 1.00* ! KP 1.00* MA 1.12 MC 1.07 MK 1.00* ! NY 1.00* TS 1.00* WZ 1.05 PT 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.05 GC 1.01 HN 0.99 ! LA 1.12 NL 1.04 OV 1.02 SC 0.97 ! WF 0.94 GG 1.00* HH 1.00* KK 1.00 ! KP 1.04 MA 1.00* MC 1.00* MK 0.97 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.05 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 GC 0.98 HN 1.00* ! LA 0.98 NL 0.90 OV 0.98 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.99 ! KP 0.96 MA 1.00* MC 1.00* MK 0.96 ! NY 1.00* TS 1.00 WZ 1.00* PT 1.01 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.07 GC 1.00* HN 0.96 ! LA 1.00* NL 1.07 OV 1.00* SC 1.00* ! WF 1.02 GG 1.00* HH 1.01 KK 1.00* ! KP 1.00* MA 1.13 MC 1.05 MK 1.00* ! NY 1.00* TS 1.00* WZ 1.02 PT 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.02 GC 1.04 HN 0.98 ! LA 1.12 NL 1.03 OV 1.05 SC 1.00* ! WF 0.95 GG 1.00* HH 1.00* KK 1.01 ! KP 1.01 MA 1.00* MC 1.00* MK 0.97 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.02 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.95 GC 1.00 HN 1.00* ! LA 0.97 NL 0.89 OV 0.95 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.98 ! KP 0.95 MA 1.00* MC 1.00* MK 0.98 ! NY 1.00* TS 0.97 WZ 1.00* PT 1.01 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.06 GC 1.00* HN 0.95 ! LA 1.00* NL 1.00 OV 1.00* SC 0.98 ! WF 1.03 GG 1.00* HH 1.14 KK 1.00* ! KP 1.00* MA 1.19 MC 1.06 MK 1.00* ! NY 1.00* TS 1.00* WZ 1.01 PT 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.99 GC 1.06 HN 0.98 ! LA 1.13 NL 1.01 OV 1.00 SC 0.97 ! WF 1.04 GG 1.00* HH 1.00* KK 1.00 ! KP 1.02 MA 1.00* MC 1.00* MK 0.99 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.94 GC 1.01 HN 1.00* ! LA 0.96 NL 0.89 OV 0.94 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.98 ! KP 0.95 MA 1.00* MC 1.00* MK 1.01 ! NY 1.00* TS 0.97 WZ 1.00* PT 1.00 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.06 GC 1.00* HN 0.96 ! LA 1.00* NL 0.98 OV 1.00* SC 0.98 ! WF 1.03 GG 1.00* HH 1.32 KK 1.00* ! KP 1.00* MA 1.22 MC 1.06 MK 1.00* ! NY 1.00* TS 1.00* WZ 1.01 PT 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 1.03 GC 1.13 HN 0.99 ! LA 1.07 NL 1.00 OV 0.98 SC 1.02 ! WF 1.07 GG 1.00* HH 1.00* KK 0.99 ! KP 1.05 MA 1.00* MC 1.00* MK 1.02 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.02 ! ! ! Fit before self-cal, rms=0.376946Jy sigma=0.004707 ! Fit after self-cal, rms=0.174871Jy sigma=0.002125 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.5734 mas, bmaj=1.358 mas, bpa=-0.1761 degrees ! Estimated noise=660.379 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 (2.9, -0.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0643392 Jy ! Component: 100 - total flux cleaned = 0.0931671 Jy ! Total flux subtracted in 100 components = 0.0931671 Jy ! Clean residual min=-0.016334 max=0.020805 Jy/beam ! Clean residual mean=0.000639 rms=0.004064 Jy/beam ! Combined flux in latest and established models = 5.51258 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 44 components and 5.51258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153321Jy sigma=0.001732 ! Fit after self-cal, rms=0.152687Jy sigma=0.001720 ! 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 = 0.0193118 Jy ! Component: 100 - total flux cleaned = 0.027137 Jy ! Total flux subtracted in 100 components = 0.027137 Jy ! Clean residual min=-0.014649 max=0.018726 Jy/beam ! Clean residual mean=0.000262 rms=0.003606 Jy/beam ! Combined flux in latest and established models = 5.53971 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 60 components and 5.53971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150033Jy sigma=0.001674 ! Fit after self-cal, rms=0.145039Jy sigma=0.001605 ! Inverting map and beam ! Estimated beam: bmin=0.5732 mas, bmaj=1.359 mas, bpa=-0.1845 degrees ! Estimated noise=660.216 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 = 0.00950518 Jy ! Component: 100 - total flux cleaned = 0.0149311 Jy ! Total flux subtracted in 100 components = 0.0149311 Jy ! Clean residual min=-0.012476 max=0.017474 Jy/beam ! Clean residual mean=0.000302 rms=0.003107 Jy/beam ! Combined flux in latest and established models = 5.55464 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 74 components and 5.55465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143011Jy sigma=0.001570 ! Fit after self-cal, rms=0.142850Jy sigma=0.001568 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C446_X ! Writing UV FITS file: 3C446_X.uvf ! Writing 74 model components to file: 3C446_X.mod ! wwins: Wrote 2 windows to 3C446_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5732 x 1.359 at -0.1845 degrees (North through East) ! Clean map min=-0.01146 max=4.5175 Jy/beam ! Writing clean map to FITS file: 3C446_X.fits ! Writing difmap environment to: 3C446_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C446_X] device 3C446_Xuv.ps/vps,1,2 ! Attempting to open device: '3C446_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C446_Xim.ps/vps ! Attempting to open device: '3C446_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=0.5732 mas, bmaj=1.359 mas, bpa=-0.1845 degrees ! Estimated noise=660.216 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5732 x 1.359 at -0.1845 degrees (North through East) ! Clean map min=-0.01146 max=4.5175 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 3C446_X.log closed on Tue Aug 8 00:14:07 2006