! Started logfile: 0657+172_X.log on Tue Jul 19 16:12:17 2005 observe 0657+172_X.edt ! Reading UV FITS file: 0657+172_X.edt ! AN table 1: 18 integrations on 171 of 171 possible baselines. ! AN table 2: 21 integrations on 171 of 171 possible baselines. ! AN table 3: 33 integrations on 171 of 171 possible baselines. ! AN table 4: 17 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.129969 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0657+172 ! ! 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 1818 lines of history. ! ! Reading 7912 visibilities. ![@gonzo8-0.1 0657+172_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 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 540 telescope corrections were flagged in sub-array 3. ! A total of 317 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 540 telescope corrections were flagged in sub-array 3. ! A total of 311 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 539 telescope corrections were flagged in sub-array 3. ! A total of 317 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 540 telescope corrections were flagged in sub-array 3. ! A total of 314 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.218384Jy sigma=0.003441 ! Fit after self-cal, rms=0.217356Jy sigma=0.003467 ! 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=0.8629 mas, bmaj=1.271 mas, bpa=2.119 degrees ! Estimated noise=1112.98 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 = 0.615581 Jy ! Total flux subtracted in 50 components = 0.615581 Jy ! Clean residual min=-0.029385 max=0.171688 Jy/beam ! Clean residual mean=0.000033 rms=0.009542 Jy/beam ! Combined flux in latest and established models = 0.615581 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 0.615581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209918Jy sigma=0.003593 ! Fit after self-cal, rms=0.209918Jy sigma=0.003593 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.134962 Jy ! Total flux subtracted in 50 components = 0.134962 Jy ! Clean residual min=-0.012280 max=0.041631 Jy/beam ! Clean residual mean=0.000040 rms=0.003785 Jy/beam ! Combined flux in latest and established models = 0.750543 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 6 components and 0.750543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107375Jy sigma=0.001763 ! Fit after self-cal, rms=0.107370Jy sigma=0.001763 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0429361 Jy ! Total flux subtracted in 50 components = 0.0429361 Jy ! Clean residual min=-0.009640 max=0.019672 Jy/beam ! Clean residual mean=0.000041 rms=0.002660 Jy/beam ! Combined flux in latest and established models = 0.79348 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 25 components and 0.79348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090497Jy sigma=0.001426 ! Fit after self-cal, rms=0.090418Jy sigma=0.001425 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0230815 Jy ! Total flux subtracted in 50 components = 0.0230815 Jy ! Clean residual min=-0.009122 max=0.011525 Jy/beam ! Clean residual mean=0.000042 rms=0.002237 Jy/beam ! Combined flux in latest and established models = 0.816561 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 0.816561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085153Jy sigma=0.001316 ! Fit after self-cal, rms=0.085089Jy sigma=0.001316 ! 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=1.105 mas, bmaj=1.584 mas, bpa=6.741 degrees ! Estimated noise=694.092 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 = 0.0168534 Jy ! Component: 100 - total flux cleaned = 0.0248997 Jy ! Total flux subtracted in 100 components = 0.0248997 Jy ! Clean residual min=-0.006991 max=0.009023 Jy/beam ! Clean residual mean=0.000115 rms=0.001825 Jy/beam ! Combined flux in latest and established models = 0.841461 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 48 components and 0.841461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082416Jy sigma=0.001259 ! Fit after self-cal, rms=0.082377Jy sigma=0.001259 ! 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 0.98 FD 1.13 GC 1.00 HH 1.00* ! HN 0.95 KK 1.00* KP 1.00 LA 0.98 ! MC 1.00* MK 1.00 NL 1.01 NY 1.03 ! ON 1.00* OV 1.02 PT 1.00 SC 1.00 ! 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 1.03 FD 0.98 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.00 LA 0.98 ! MC 1.00* MK 1.00* NL 0.96 NY 1.00* ! ON 1.00* OV 1.03 PT 1.01 SC 0.97 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.97 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.01 LA 1.03 ! MC 1.00* MK 0.95 NL 1.05 NY 1.00* ! ON 1.00* OV 0.97 PT 0.98 SC 1.05 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.17 GC 0.99 HH 1.00* ! HN 0.95 KK 1.00* KP 1.00 LA 0.96 ! MC 1.00* MK 1.01 NL 1.00 NY 1.04 ! ON 1.00* OV 1.01 PT 1.01 SC 1.00 ! TS 1.00* WF 0.99 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 0.96 KK 1.00* KP 1.01 LA 0.99 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.05 PT 0.99 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.96 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.01 LA 1.03 ! MC 1.00* MK 1.00 NL 1.03 NY 1.00* ! ON 1.00* OV 0.98 PT 0.98 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.13 GC 1.01 HH 1.00* ! HN 0.96 KK 1.00* KP 1.00 LA 0.96 ! MC 1.00* MK 1.00 NL 1.01 NY 1.06 ! ON 1.00* OV 1.01 PT 0.99 SC 0.98 ! TS 1.00* WF 0.97 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.01 LA 0.99 ! MC 1.00* MK 1.00* NL 0.97 NY 1.00* ! ON 1.00* OV 1.04 PT 1.01 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 1.00 LA 1.01 ! MC 1.00* MK 1.00 NL 1.02 NY 1.00* ! ON 1.00* OV 0.99 PT 0.98 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.17 GC 1.02 HH 1.00* ! HN 0.94 KK 1.00* KP 1.00 LA 0.97 ! MC 1.00* MK 1.02 NL 1.02 NY 1.06 ! ON 1.00* OV 1.01 PT 0.99 SC 1.02 ! TS 1.00* WF 0.99 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 0.97 KK 1.00* KP 0.99 LA 1.00 ! MC 1.00* MK 1.00* NL 0.96 NY 1.00* ! ON 1.00* OV 1.01 PT 1.00 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.00 LA 1.05 ! MC 1.00* MK 0.98 NL 1.03 NY 1.00* ! ON 1.00* OV 0.98 PT 1.00 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.082377Jy sigma=0.001259 ! Fit after self-cal, rms=0.077299Jy sigma=0.001174 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=1.595 mas, bpa=6.702 degrees ! Estimated noise=695.67 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 = 0.00201152 Jy ! Component: 100 - total flux cleaned = 0.00207003 Jy ! Total flux subtracted in 100 components = 0.00207003 Jy ! Clean residual min=-0.004437 max=0.007715 Jy/beam ! Clean residual mean=0.000036 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 0.843531 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 53 components and 0.843531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077170Jy sigma=0.001172 ! Fit after self-cal, rms=0.077150Jy sigma=0.001172 ! 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 (-1.5, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00623753 Jy ! Component: 100 - total flux cleaned = 0.00671173 Jy ! Total flux subtracted in 100 components = 0.00671173 Jy ! Clean residual min=-0.004156 max=0.006836 Jy/beam ! Clean residual mean=0.000045 rms=0.001183 Jy/beam ! Combined flux in latest and established models = 0.850243 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 70 components and 0.850243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076713Jy sigma=0.001164 ! Fit after self-cal, rms=0.076134Jy sigma=0.001152 ! Inverting map and beam ! Estimated beam: bmin=1.1 mas, bmaj=1.595 mas, bpa=6.534 degrees ! Estimated noise=697.066 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 = 0.00381947 Jy ! Component: 100 - total flux cleaned = 0.00410525 Jy ! Total flux subtracted in 100 components = 0.00410525 Jy ! Clean residual min=-0.003897 max=0.007023 Jy/beam ! Clean residual mean=0.000030 rms=0.001108 Jy/beam ! Combined flux in latest and established models = 0.854348 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 0.854348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075966Jy sigma=0.001149 ! Fit after self-cal, rms=0.075923Jy sigma=0.001148 ! Inverting map ! Added new window around map position (-3.2, -4.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00647187 Jy ! Component: 100 - total flux cleaned = 0.00958604 Jy ! Total flux subtracted in 100 components = 0.00958604 Jy ! Clean residual min=-0.003828 max=0.004685 Jy/beam ! Clean residual mean=0.000023 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 0.863934 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 90 components and 0.863934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075457Jy sigma=0.001139 ! Fit after self-cal, rms=0.075415Jy sigma=0.001138 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0657+172_X ! Writing UV FITS file: 0657+172_X.uvf ! Writing 90 model components to file: 0657+172_X.mod ! wwins: Wrote 3 windows to 0657+172_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.1 x 1.595 at 6.534 degrees (North through East) ! Clean map min=-0.0038034 max=0.80146 Jy/beam ! Writing clean map to FITS file: 0657+172_X.fits ! Writing difmap environment to: 0657+172_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0657+172_X] device 0657+172_Xuv.ps/vps,1,2 ! Attempting to open device: '0657+172_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0657+172_Xim.ps/vps ! Attempting to open device: '0657+172_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=1.1 mas, bmaj=1.595 mas, bpa=6.534 degrees ! Estimated noise=697.066 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.1 x 1.595 at 6.534 degrees (North through East) ! Clean map min=-0.0038034 max=0.80146 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0657+172_X.log closed on Tue Jul 19 16:13:10 2005