! Started logfile: J2000-1748_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:44:15 2010 obs J2000-1748_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2000-1748_S_2008_04_02_pus_uva.fits ! AN table 1: 39 integrations on 120 of 120 possible baselines. ! AN table 2: 57 integrations on 120 of 120 possible baselines. ! AN table 3: 19 integrations on 120 of 120 possible baselines. ! AN table 4: 63 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.138577 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2000-1748 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 984 lines of history. ! ! Reading 11840 visibilities. select I ! Polarization I is unavailable. ! 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 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. 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 490 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 237 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 490 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 237 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 490 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 237 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 490 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 237 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.933578Jy sigma=0.007926 ! Fit after self-cal, rms=0.645699Jy sigma=0.005306 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 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. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.523 mas, bmaj=4.609 mas, bpa=-9.862 degrees ! Estimated noise=1392.89 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.18766 Jy ! Component: 100 - total flux cleaned = 1.44778 Jy ! Total flux subtracted in 100 components = 1.44778 Jy ! Clean residual min=-0.050126 max=0.078714 Jy/beam ! Clean residual mean=0.000137 rms=0.011681 Jy/beam ! Combined flux in latest and established models = 1.44778 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 1.44778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.347871Jy sigma=0.002688 ! Fit after self-cal, rms=0.347902Jy sigma=0.002688 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0794572 Jy ! Component: 100 - total flux cleaned = 0.118124 Jy ! Total flux subtracted in 100 components = 0.118124 Jy ! Clean residual min=-0.046469 max=0.051565 Jy/beam ! Clean residual mean=0.000113 rms=0.010409 Jy/beam ! Combined flux in latest and established models = 1.5659 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 17 components and 1.5659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323307Jy sigma=0.002490 ! Fit after self-cal, rms=0.323271Jy sigma=0.002489 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 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 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.088 mas, bmaj=6.708 mas, bpa=-7.167 degrees ! Estimated noise=789.539 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.5, -8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0580839 Jy ! Component: 100 - total flux cleaned = 0.0781533 Jy ! Component: 150 - total flux cleaned = 0.085263 Jy ! Component: 200 - total flux cleaned = 0.0891149 Jy ! Total flux subtracted in 200 components = 0.0891149 Jy ! Clean residual min=-0.028120 max=0.045034 Jy/beam ! Clean residual mean=0.000191 rms=0.008118 Jy/beam ! Combined flux in latest and established models = 1.65502 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 35 components and 1.65502 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.311748Jy sigma=0.002392 ! Fit after self-cal, rms=0.310807Jy sigma=0.002384 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.05 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.02 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.97 ZC 1.25 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.04 HH 1.00* HN 1.08 ! KK 1.17 KP 0.99 LA 1.21 MK 0.82 ! NL 0.91 NY 1.00* ON 1.00* OV 0.97 ! PT 1.01 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.13 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.96 ZC 1.12 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.05 FD 1.02 HH 1.00* HN 1.07 ! KK 1.00* KP 0.95 LA 1.19 MK 1.00* ! NL 0.94 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.04 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.06 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.90 ZC 1.00 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.13 HH 1.00* HN 1.14 ! KK 1.10 KP 1.00 LA 1.12 MK 0.89 ! NL 0.95 NY 1.00* ON 1.00* OV 1.00 ! PT 1.00 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.11 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.03 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.18 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.07 FD 1.10 HH 1.00* HN 1.14 ! KK 1.00* KP 0.99 LA 1.10 MK 1.00* ! NL 0.95 NY 1.00* ON 1.00* OV 1.02 ! PT 0.99 SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.93 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.95 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.86 ZC 1.13 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.14 HH 1.00* HN 1.12 ! KK 1.14 KP 1.00 LA 0.89 MK 0.91 ! NL 0.98 NY 1.00* ON 1.00* OV 1.02 ! PT 1.07 SC 0.96 WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.95 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.90 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.81 ZC 1.16 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.13 FD 1.11 HH 1.00* HN 1.14 ! KK 1.00* KP 0.98 LA 0.87 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 1.05 ! PT 1.04 SC 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.98 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.02 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.82 ZC 1.04 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.10 HH 1.00* HN 1.04 ! KK 1.12 KP 0.93 LA 0.74 MK 0.96 ! NL 0.91 NY 1.00* ON 1.00* OV 0.86 ! PT 0.92 SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.01 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.02 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.75 ZC 1.06 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 1.08 HH 1.00* HN 1.04 ! KK 1.00* KP 0.91 LA 0.73 MK 1.00* ! NL 0.90 NY 1.00* ON 1.00* OV 0.86 ! PT 0.89 SC 0.97 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.310807Jy sigma=0.002384 ! Fit after self-cal, rms=0.189337Jy sigma=0.001319 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.148 mas, bmaj=7.122 mas, bpa=-6.695 degrees ! Estimated noise=791.351 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00350446 Jy ! Component: 100 - total flux cleaned = -0.00419285 Jy ! Component: 150 - total flux cleaned = -0.00470849 Jy ! Component: 200 - total flux cleaned = -0.00492473 Jy ! Total flux subtracted in 200 components = -0.00492473 Jy ! Clean residual min=-0.011271 max=0.008649 Jy/beam ! Clean residual mean=0.000322 rms=0.001987 Jy/beam ! Combined flux in latest and established models = 1.65009 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 48 components and 1.65009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188189Jy sigma=0.001309 ! Fit after self-cal, rms=0.187658Jy sigma=0.001307 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187658Jy sigma=0.001307 ! Fit after self-cal, rms=0.185243Jy sigma=0.001296 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.146 mas, bmaj=7.121 mas, bpa=-6.761 degrees ! Estimated noise=790.747 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00215991 Jy ! Component: 100 - total flux cleaned = -0.00215411 Jy ! Component: 150 - total flux cleaned = -0.00235224 Jy ! Component: 200 - total flux cleaned = -0.00235627 Jy ! Total flux subtracted in 200 components = -0.00235627 Jy ! Clean residual min=-0.009776 max=0.006982 Jy/beam ! Clean residual mean=0.000293 rms=0.001734 Jy/beam ! Combined flux in latest and established models = 1.64774 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 57 components and 1.64774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184679Jy sigma=0.001291 ! Fit after self-cal, rms=0.184638Jy sigma=0.001290 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000140933 Jy ! Component: 100 - total flux cleaned = -0.000147118 Jy ! Component: 150 - total flux cleaned = -0.000144206 Jy ! Component: 200 - total flux cleaned = -2.91866e-05 Jy ! Total flux subtracted in 200 components = -2.91866e-05 Jy ! Clean residual min=-0.009562 max=0.006695 Jy/beam ! Clean residual mean=0.000292 rms=0.001692 Jy/beam ! Combined flux in latest and established models = 1.64771 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 59 components and 1.64771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184419Jy sigma=0.001289 ! Fit after self-cal, rms=0.184415Jy sigma=0.001289 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184415Jy sigma=0.001289 ! Fit after self-cal, rms=0.181679Jy sigma=0.001264 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.145 mas, bmaj=7.117 mas, bpa=-6.839 degrees ! Estimated noise=790.757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123593 Jy ! Component: 100 - total flux cleaned = -0.000896301 Jy ! Component: 150 - total flux cleaned = -0.000772424 Jy ! Component: 200 - total flux cleaned = -0.000777125 Jy ! Total flux subtracted in 200 components = -0.000777125 Jy ! Clean residual min=-0.005323 max=0.004624 Jy/beam ! Clean residual mean=0.000194 rms=0.001206 Jy/beam ! Combined flux in latest and established models = 1.64693 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 72 components and 1.64693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181362Jy sigma=0.001262 ! Fit after self-cal, rms=0.181349Jy sigma=0.001262 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000588667 Jy ! Component: 100 - total flux cleaned = -0.000487157 Jy ! Component: 150 - total flux cleaned = -0.000403832 Jy ! Component: 200 - total flux cleaned = -0.000403594 Jy ! Total flux subtracted in 200 components = -0.000403594 Jy ! Clean residual min=-0.005214 max=0.004249 Jy/beam ! Clean residual mean=0.000194 rms=0.001176 Jy/beam ! Combined flux in latest and established models = 1.64653 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 78 components and 1.64653 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181238Jy sigma=0.001261 ! Fit after self-cal, rms=0.181238Jy sigma=0.001261 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181238Jy sigma=0.001261 ! Fit after self-cal, rms=0.180838Jy sigma=0.001260 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.931 mas, bmaj=15.23 mas, bpa=-3.461 degrees ! Estimated noise=993.365 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100329 Jy ! Component: 100 - total flux cleaned = -0.00111374 Jy ! Component: 150 - total flux cleaned = -0.00111843 Jy ! Component: 200 - total flux cleaned = -0.00111969 Jy ! Total flux subtracted in 200 components = -0.00111969 Jy ! Clean residual min=-0.003092 max=0.005017 Jy/beam ! Clean residual mean=0.000363 rms=0.001411 Jy/beam ! Combined flux in latest and established models = 1.64541 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 84 components and 1.64541 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180794Jy sigma=0.001259 ! Fit after self-cal, rms=0.180769Jy sigma=0.001259 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.60523e-05 Jy ! Component: 100 - total flux cleaned = -3.8106e-05 Jy ! Component: 150 - total flux cleaned = -3.63252e-05 Jy ! Component: 200 - total flux cleaned = -3.59424e-05 Jy ! Total flux subtracted in 200 components = -3.59424e-05 Jy ! Clean residual min=-0.003054 max=0.004992 Jy/beam ! Clean residual mean=0.000362 rms=0.001406 Jy/beam ! Combined flux in latest and established models = 1.64537 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 88 components and 1.64537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180751Jy sigma=0.001259 ! Fit after self-cal, rms=0.180749Jy sigma=0.001259 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=3.143 mas, bmaj=7.107 mas, bpa=-6.886 degrees ! Estimated noise=790.667 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.143 x 7.107 at -6.886 degrees (North through East) ! Clean map min=-0.0046446 max=1.5183 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal 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 new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180749Jy sigma=0.001259 ! Fit after self-cal, rms=0.166205Jy sigma=0.001149 ! Inverting map and beam ! Estimated beam: bmin=3.142 mas, bmaj=7.11 mas, bpa=-6.904 degrees ! Estimated noise=790.427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000779216 Jy ! Component: 100 - total flux cleaned = -0.000673034 Jy ! Component: 150 - total flux cleaned = -0.00084432 Jy ! Component: 200 - total flux cleaned = -0.00084816 Jy ! Total flux subtracted in 200 components = -0.00084816 Jy ! Clean residual min=-0.004248 max=0.003906 Jy/beam ! Clean residual mean=0.000156 rms=0.001047 Jy/beam ! Combined flux in latest and established models = 1.64453 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 95 components and 1.64453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166071Jy sigma=0.001148 ! Fit after self-cal, rms=0.166076Jy sigma=0.001147 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000349294 Jy ! Component: 100 - total flux cleaned = -0.000351383 Jy ! Component: 150 - total flux cleaned = -0.000293204 Jy ! Component: 200 - total flux cleaned = -0.00024047 Jy ! Total flux subtracted in 200 components = -0.00024047 Jy ! Clean residual min=-0.004341 max=0.003913 Jy/beam ! Clean residual mean=0.000156 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 1.64428 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 96 components and 1.64428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166024Jy sigma=0.001147 ! Fit after self-cal, rms=0.166026Jy sigma=0.001147 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166026Jy sigma=0.001147 ! Fit after self-cal, rms=0.165812Jy sigma=0.001147 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 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. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.525 mas, bmaj=5.02 mas, bpa=-8.645 degrees ! Estimated noise=1381.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.18827 Jy ! Component: 100 - total flux cleaned = 1.44817 Jy ! Component: 150 - total flux cleaned = 1.52054 Jy ! Component: 200 - total flux cleaned = 1.55394 Jy ! Total flux subtracted in 200 components = 1.55394 Jy ! Clean residual min=-0.008410 max=0.016654 Jy/beam ! Clean residual mean=0.000064 rms=0.002638 Jy/beam ! Combined flux in latest and established models = 1.55394 Jy uvw 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. flux_cutoff = imstat(rms) * dynam ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 1.55394 Jy ! Inverting map and beam ! Estimated beam: bmin=3.141 mas, bmaj=7.104 mas, bpa=-6.942 degrees ! Estimated noise=790.532 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0343024 Jy ! Component: 100 - total flux cleaned = 0.0533396 Jy ! Component: 150 - total flux cleaned = 0.0647422 Jy ! Component: 200 - total flux cleaned = 0.07203 Jy ! Total flux subtracted in 200 components = 0.07203 Jy ! Clean residual min=-0.004133 max=0.007125 Jy/beam ! Clean residual mean=0.000159 rms=0.001288 Jy/beam ! Combined flux in latest and established models = 1.62597 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 54 components and 1.62597 Jy ! Inverting map ! Added new window around map position (2.5, 8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00702209 Jy ! Component: 100 - total flux cleaned = 0.0103017 Jy ! Component: 150 - total flux cleaned = 0.011617 Jy ! Component: 200 - total flux cleaned = 0.0123725 Jy ! Total flux subtracted in 200 components = 0.0123725 Jy ! Clean residual min=-0.003785 max=0.004384 Jy/beam ! Clean residual mean=0.000151 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 1.63834 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 1.63834 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.937 mas, bmaj=15.23 mas, bpa=-3.456 degrees ! Estimated noise=993.273 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00317502 Jy ! Component: 100 - total flux cleaned = 0.00360693 Jy ! Component: 150 - total flux cleaned = 0.0036674 Jy ! Component: 200 - total flux cleaned = 0.00371658 Jy ! Total flux subtracted in 200 components = 0.00371657 Jy ! Clean residual min=-0.002858 max=0.004802 Jy/beam ! Clean residual mean=0.000315 rms=0.001286 Jy/beam ! Combined flux in latest and established models = 1.64206 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.69759e-05 Jy ! Component: 100 - total flux cleaned = 0.000134349 Jy ! Component: 150 - total flux cleaned = 0.000176569 Jy ! Component: 200 - total flux cleaned = 0.000259879 Jy ! Total flux subtracted in 200 components = 0.000259879 Jy ! Clean residual min=-0.002859 max=0.004761 Jy/beam ! Clean residual mean=0.000315 rms=0.001281 Jy/beam ! Combined flux in latest and established models = 1.64232 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 91 components and 1.64232 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.141 mas, bmaj=7.104 mas, bpa=-6.942 degrees ! Estimated noise=790.532 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00045856 Jy ! Component: 100 - total flux cleaned = -0.000544477 Jy ! Component: 150 - total flux cleaned = -0.000539869 Jy ! Component: 200 - total flux cleaned = -0.000464438 Jy ! Total flux subtracted in 200 components = -0.000464438 Jy ! Clean residual min=-0.003543 max=0.003914 Jy/beam ! Clean residual mean=0.000148 rms=0.000995 Jy/beam ! Combined flux in latest and established models = 1.64185 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 104 components and 1.64185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165630Jy sigma=0.001145 ! Fit after self-cal, rms=0.165662Jy sigma=0.001145 wmodel J2000-1748_S_2008_04_02_pus_map.mod ! Writing 104 model components to file: J2000-1748_S_2008_04_02_pus_map.mod wobs J2000-1748_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2000-1748_S_2008_04_02_pus_uvs.fits wwins J2000-1748_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J2000-1748_S_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101468 Jy ! Component: 100 - total flux cleaned = 0.00114427 Jy ! Component: 150 - total flux cleaned = 0.00145426 Jy ! Component: 200 - total flux cleaned = 0.00193109 Jy ! Component: 250 - total flux cleaned = 0.00238932 Jy ! Component: 300 - total flux cleaned = 0.00294307 Jy ! Component: 350 - total flux cleaned = 0.00353522 Jy ! Component: 400 - total flux cleaned = 0.00416356 Jy ! Component: 450 - total flux cleaned = 0.0047247 Jy ! Component: 500 - total flux cleaned = 0.0052728 Jy ! Component: 550 - total flux cleaned = 0.005809 Jy ! Component: 600 - total flux cleaned = 0.00638285 Jy ! Component: 650 - total flux cleaned = 0.00713375 Jy ! Component: 700 - total flux cleaned = 0.0077792 Jy ! Component: 750 - total flux cleaned = 0.00846092 Jy ! Component: 800 - total flux cleaned = 0.0091332 Jy ! Component: 850 - total flux cleaned = 0.00979594 Jy ! Component: 900 - total flux cleaned = 0.0105373 Jy ! Component: 950 - total flux cleaned = 0.0111819 Jy ! Component: 1000 - total flux cleaned = 0.0117763 Jy ! Component: 1050 - total flux cleaned = 0.0124473 Jy ! Component: 1100 - total flux cleaned = 0.0129856 Jy ! Component: 1150 - total flux cleaned = 0.0134773 Jy ! Component: 1200 - total flux cleaned = 0.0140041 Jy ! Component: 1250 - total flux cleaned = 0.0145651 Jy ! Component: 1300 - total flux cleaned = 0.0150797 Jy ! Component: 1350 - total flux cleaned = 0.0156288 Jy ! Component: 1400 - total flux cleaned = 0.0162878 Jy ! Component: 1450 - total flux cleaned = 0.0167102 Jy ! Component: 1500 - total flux cleaned = 0.0172808 Jy ! Component: 1550 - total flux cleaned = 0.0178084 Jy ! Component: 1600 - total flux cleaned = 0.0182938 Jy ! Component: 1650 - total flux cleaned = 0.0189228 Jy ! Component: 1700 - total flux cleaned = 0.0193629 Jy ! Component: 1750 - total flux cleaned = 0.0199805 Jy ! Component: 1800 - total flux cleaned = 0.0204838 Jy ! Component: 1850 - total flux cleaned = 0.0209475 Jy ! Component: 1900 - total flux cleaned = 0.0214431 Jy ! Component: 1950 - total flux cleaned = 0.0218992 Jy ! Component: 2000 - total flux cleaned = 0.0223513 Jy ! Total flux subtracted in 2048 components = 0.0229037 Jy ! Clean residual min=-0.002503 max=0.002059 Jy/beam ! Clean residual mean=0.000130 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 1.66476 Jy keep ! Adding 125 model components to the UV plane model. ! The established model now contains 229 components and 1.66476 Jy wmap "J2000-1748_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.141 x 7.104 at -6.942 degrees (North through East) ! Clean map min=-0.0032742 max=1.5286 Jy/beam ! Writing clean map to FITS file: J2000-1748_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.52859 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000676326 device "J2000-1748_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2000-1748_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.132735 0.132735 0.26547 0.53094 1.06188 2.12376 4.24752 8.49504 16.9901 33.9801 67.9603 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.528 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.141 x 7.104 at -6.942 degrees (North through East) ! Clean map min=-0.0032742 max=1.5286 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2000-1748_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2000-1748_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2000-1748_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:44:20 2010