! Started logfile: J2258-2758_X_2013_01_09_pus_uvs.log on Mon Nov 3 15:56:26 2014 obs J2258-2758_X_2013_01_09_pus_uva.fits ! Reading UV FITS file: J2258-2758_X_2013_01_09_pus_uva.fits ! AN table 1: 31 integrations on 120 of 120 possible baselines. ! AN table 2: 52 integrations on 120 of 120 possible baselines. ! AN table 3: 10 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.121326 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2258-2758 ! ! 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 2998 lines of history. ! ! Reading 5416 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2258-2758_X_2013_01_09_pus] 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 = 256x256 pixels with 0.200x0.200 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 268 telescope corrections were flagged in sub-array 1. ! A total of 670 telescope corrections were flagged in sub-array 2. ! A total of 106 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 268 telescope corrections were flagged in sub-array 1. ! A total of 670 telescope corrections were flagged in sub-array 2. ! A total of 106 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 268 telescope corrections were flagged in sub-array 1. ! A total of 670 telescope corrections were flagged in sub-array 2. ! A total of 106 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 268 telescope corrections were flagged in sub-array 1. ! A total of 670 telescope corrections were flagged in sub-array 2. ! A total of 106 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=3.197795Jy sigma=0.026598 ! Fit after self-cal, rms=3.207043Jy sigma=0.026660 ! 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 ! Your choice of large map pixels excluded 3.3% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6352 mas, bmaj=1.372 mas, bpa=16.52 degrees ! Estimated noise=2245.1 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 = 3.08133 Jy ! Component: 100 - total flux cleaned = 3.86198 Jy ! Total flux subtracted in 100 components = 3.86198 Jy ! Clean residual min=-0.217051 max=0.347310 Jy/beam ! Clean residual mean=0.006673 rms=0.080950 Jy/beam ! Combined flux in latest and established models = 3.86197 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 3.86197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.228243Jy sigma=0.008721 ! Fit after self-cal, rms=1.228175Jy sigma=0.008721 ! Inverting map ! Your choice of large map pixels excluded 3.3% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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 ! Your choice of large map pixels excluded 3.3% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.8971 mas, bmaj=1.896 mas, bpa=8.87 degrees ! Estimated noise=1310.01 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 = 0.38508 Jy ! Component: 100 - total flux cleaned = 0.56761 Jy ! Component: 150 - total flux cleaned = 0.656144 Jy ! Component: 200 - total flux cleaned = 0.694566 Jy ! Total flux subtracted in 200 components = 0.694566 Jy ! Clean residual min=-0.212713 max=0.230011 Jy/beam ! Clean residual mean=-0.004037 rms=0.076297 Jy/beam ! Combined flux in latest and established models = 4.55654 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 4.55654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.163523Jy sigma=0.007478 ! Fit after self-cal, rms=1.163222Jy sigma=0.007477 ! Inverting map ! Your choice of large map pixels excluded 3.3% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.49 HH 0.84 HN 1.30 ! KP 0.79 LA 1.01 MC 1.00* MK 0.91 ! NL 1.06 NY 1.00* OV 1.01 PT 1.03 ! SC 0.97 TS 1.00* WF 0.94 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 HH 0.75 HN 1.20 ! KP 0.78 LA 0.99 MC 1.00* MK 1.00* ! NL 0.84 NY 1.00* OV 0.98 PT 1.01 ! SC 0.93 TS 1.00* WF 0.97 WZ 1.38 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.11 HH 1.00* HN 1.00* ! KP 0.78 LA 0.99 MC 1.00* MK 0.85 ! NL 0.94 NY 1.00* OV 1.00* PT 1.01 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.57 HH 0.98 HN 1.37 ! KP 0.77 LA 1.03 MC 1.00* MK 0.95 ! NL 1.25 NY 1.00* OV 1.04 PT 1.10 ! SC 1.06 TS 1.00* WF 1.00 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 HH 0.87 HN 1.25 ! KP 0.75 LA 1.02 MC 1.00* MK 1.00* ! NL 0.97 NY 1.00* OV 1.02 PT 1.08 ! SC 1.01 TS 1.00* WF 1.05 WZ 1.40 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.17 HH 1.00* HN 1.00* ! KP 0.77 LA 1.02 MC 1.00* MK 0.90 ! NL 1.09 NY 1.00* OV 1.00* PT 1.07 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.53 HH 1.00 HN 1.30 ! KP 0.66 LA 1.03 MC 1.00* MK 0.94 ! NL 1.17 NY 1.00* OV 1.03 PT 1.02 ! SC 0.97 TS 1.00* WF 1.01 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 HH 0.85 HN 1.22 ! KP 0.65 LA 1.01 MC 1.00* MK 1.00* ! NL 0.91 NY 1.00* OV 1.01 PT 1.00 ! SC 0.92 TS 1.00* WF 1.05 WZ 1.38 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.15 HH 1.00* HN 1.00* ! KP 0.66 LA 1.01 MC 1.00* MK 0.88 ! NL 1.01 NY 1.00* OV 1.00* PT 0.99 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.68 HH 1.21 HN 1.34 ! KP 0.72 LA 1.09 MC 1.00* MK 0.98 ! NL 1.21 NY 1.00* OV 1.07 PT 1.13 ! SC 1.08 TS 1.00* WF 1.11 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.08 HH 0.97 HN 1.24 ! KP 0.71 LA 1.08 MC 1.00* MK 1.00* ! NL 0.94 NY 1.00* OV 1.05 PT 1.10 ! SC 1.04 TS 1.00* WF 1.13 WZ 1.45 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.24 HH 1.00* HN 1.00* ! KP 0.72 LA 1.08 MC 1.00* MK 0.93 ! NL 1.05 NY 1.00* OV 1.00* PT 1.09 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=1.163222Jy sigma=0.007477 ! Fit after self-cal, rms=0.740291Jy sigma=0.002579 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9248 mas, bmaj=2.021 mas, bpa=11.23 degrees ! Estimated noise=1326.74 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 = -0.0285755 Jy ! Component: 100 - total flux cleaned = -0.0311258 Jy ! Component: 150 - total flux cleaned = -0.0317909 Jy ! Component: 200 - total flux cleaned = -0.0323389 Jy ! Total flux subtracted in 200 components = -0.0323389 Jy ! Clean residual min=-0.062139 max=0.076228 Jy/beam ! Clean residual mean=0.007332 rms=0.024469 Jy/beam ! Combined flux in latest and established models = 4.5242 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 28 components and 4.5242 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.732867Jy sigma=0.002583 ! Fit after self-cal, rms=0.733079Jy sigma=0.002582 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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=0.733079Jy sigma=0.002582 ! Fit after self-cal, rms=0.296748Jy sigma=0.001407 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9274 mas, bmaj=2.018 mas, bpa=11.19 degrees ! Estimated noise=1327.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00909312 Jy ! Component: 100 - total flux cleaned = -0.0107408 Jy ! Component: 150 - total flux cleaned = -0.0110947 Jy ! Component: 200 - total flux cleaned = -0.0118079 Jy ! Total flux subtracted in 200 components = -0.0118079 Jy ! Clean residual min=-0.028611 max=0.034090 Jy/beam ! Clean residual mean=-0.003276 rms=0.007499 Jy/beam ! Combined flux in latest and established models = 4.51239 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 4.51239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295398Jy sigma=0.001396 ! Fit after self-cal, rms=0.295383Jy sigma=0.001395 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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 (-3.2, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0213909 Jy ! Component: 100 - total flux cleaned = 0.0188698 Jy ! Component: 150 - total flux cleaned = 0.0172729 Jy ! Component: 200 - total flux cleaned = 0.0158868 Jy ! Total flux subtracted in 200 components = 0.0158868 Jy ! Clean residual min=-0.027381 max=0.014572 Jy/beam ! Clean residual mean=-0.004227 rms=0.005784 Jy/beam ! Combined flux in latest and established models = 4.52828 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 45 components and 4.52828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292038Jy sigma=0.001352 ! Fit after self-cal, rms=0.291842Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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=0.291842Jy sigma=0.001347 ! Fit after self-cal, rms=0.289198Jy sigma=0.001330 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9282 mas, bmaj=2.021 mas, bpa=11.13 degrees ! Estimated noise=1327.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0065694 Jy ! Component: 100 - total flux cleaned = 0.0071109 Jy ! Component: 150 - total flux cleaned = 0.00628544 Jy ! Component: 200 - total flux cleaned = 0.00591084 Jy ! Total flux subtracted in 200 components = 0.00591084 Jy ! Clean residual min=-0.026088 max=0.013341 Jy/beam ! Clean residual mean=-0.003614 rms=0.005336 Jy/beam ! Combined flux in latest and established models = 4.53419 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 55 components and 4.53419 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287714Jy sigma=0.001311 ! Fit after self-cal, rms=0.287641Jy sigma=0.001310 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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 = 0.00265943 Jy ! Component: 100 - total flux cleaned = 0.00196725 Jy ! Component: 150 - total flux cleaned = 0.0013279 Jy ! Component: 200 - total flux cleaned = 0.00103798 Jy ! Total flux subtracted in 200 components = 0.00103798 Jy ! Clean residual min=-0.025273 max=0.012268 Jy/beam ! Clean residual mean=-0.003633 rms=0.005126 Jy/beam ! Combined flux in latest and established models = 4.53523 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 59 components and 4.53523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286961Jy sigma=0.001303 ! Fit after self-cal, rms=0.286893Jy sigma=0.001303 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.286893Jy sigma=0.001303 ! Fit after self-cal, rms=0.287245Jy sigma=0.001298 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=2.253 mas, bmaj=4.746 mas, bpa=-0.7474 degrees ! Estimated noise=1620.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00378388 Jy ! Component: 100 - total flux cleaned = -0.00373979 Jy ! Component: 150 - total flux cleaned = -0.00347154 Jy ! Component: 200 - total flux cleaned = -0.00370205 Jy ! Total flux subtracted in 200 components = -0.00370205 Jy ! Clean residual min=-0.023329 max=0.009509 Jy/beam ! Clean residual mean=-0.005273 rms=0.005509 Jy/beam ! Combined flux in latest and established models = 4.53153 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 65 components and 4.53153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286665Jy sigma=0.001294 ! Fit after self-cal, rms=0.286567Jy sigma=0.001293 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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 = 0.00177288 Jy ! Component: 100 - total flux cleaned = 0.0015782 Jy ! Component: 150 - total flux cleaned = 0.00139213 Jy ! Component: 200 - total flux cleaned = 0.00121499 Jy ! Total flux subtracted in 200 components = 0.00121499 Jy ! Clean residual min=-0.023176 max=0.009152 Jy/beam ! Clean residual mean=-0.005392 rms=0.005450 Jy/beam ! Combined flux in latest and established models = 4.53274 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 68 components and 4.53274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286432Jy sigma=0.001294 ! Fit after self-cal, rms=0.286399Jy sigma=0.001294 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec 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 ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9289 mas, bmaj=2.023 mas, bpa=11.08 degrees ! Estimated noise=1327.62 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9289 x 2.023 at 11.08 degrees (North through East) ! Clean map min=-0.020821 max=3.9565 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=0.286399Jy sigma=0.001294 ! Fit after self-cal, rms=0.271893Jy sigma=0.001154 ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9307 mas, bmaj=2.026 mas, bpa=10.99 degrees ! Estimated noise=1327.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00283023 Jy ! Component: 100 - total flux cleaned = 0.00219734 Jy ! Component: 150 - total flux cleaned = 0.00220795 Jy ! Component: 200 - total flux cleaned = 0.00162526 Jy ! Total flux subtracted in 200 components = 0.00162526 Jy ! Clean residual min=-0.022161 max=0.011768 Jy/beam ! Clean residual mean=-0.002861 rms=0.004666 Jy/beam ! Combined flux in latest and established models = 4.53437 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 73 components and 4.53437 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271229Jy sigma=0.001146 ! Fit after self-cal, rms=0.271207Jy sigma=0.001145 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000985446 Jy ! Component: 100 - total flux cleaned = 0.000697488 Jy ! Component: 150 - total flux cleaned = 0.000434938 Jy ! Component: 200 - total flux cleaned = 0.000434014 Jy ! Total flux subtracted in 200 components = 0.000434014 Jy ! Clean residual min=-0.021753 max=0.010962 Jy/beam ! Clean residual mean=-0.002879 rms=0.004551 Jy/beam ! Combined flux in latest and established models = 4.5348 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 74 components and 4.5348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270645Jy sigma=0.001140 ! Fit after self-cal, rms=0.270618Jy sigma=0.001140 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270618Jy sigma=0.001140 ! Fit after self-cal, rms=0.270765Jy sigma=0.001139 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 ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6385 mas, bmaj=1.431 mas, bpa=17.19 degrees ! Estimated noise=2297.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.07366 Jy ! Component: 100 - total flux cleaned = 3.81343 Jy ! Component: 150 - total flux cleaned = 4.07317 Jy ! Component: 200 - total flux cleaned = 4.21767 Jy ! Total flux subtracted in 200 components = 4.21767 Jy ! Clean residual min=-0.045536 max=0.075459 Jy/beam ! Clean residual mean=0.002204 rms=0.014503 Jy/beam ! Combined flux in latest and established models = 4.21767 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 25 model components to the UV plane model. ! The established model now contains 25 components and 4.21767 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9312 mas, bmaj=2.028 mas, bpa=10.94 degrees ! Estimated noise=1327.71 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 = 0.134431 Jy ! Component: 100 - total flux cleaned = 0.203789 Jy ! Component: 150 - total flux cleaned = 0.243587 Jy ! Component: 200 - total flux cleaned = 0.267427 Jy ! Total flux subtracted in 200 components = 0.267427 Jy ! Clean residual min=-0.016081 max=0.026478 Jy/beam ! Clean residual mean=0.000636 rms=0.005420 Jy/beam ! Combined flux in latest and established models = 4.48509 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 44 components and 4.48509 Jy ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Added new window around map position (0, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0186997 Jy ! Component: 100 - total flux cleaned = 0.0228194 Jy ! Component: 150 - total flux cleaned = 0.0247773 Jy ! Component: 200 - total flux cleaned = 0.0256256 Jy ! Total flux subtracted in 200 components = 0.0256256 Jy ! Clean residual min=-0.017574 max=0.015336 Jy/beam ! Clean residual mean=-0.001150 rms=0.004071 Jy/beam ! Combined flux in latest and established models = 4.51072 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 4.51072 Jy ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=2.254 mas, bmaj=4.754 mas, bpa=-0.8255 degrees ! Estimated noise=1617.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0050177 Jy ! Component: 100 - total flux cleaned = 0.00502503 Jy ! Component: 150 - total flux cleaned = 0.00523219 Jy ! Component: 200 - total flux cleaned = 0.00541767 Jy ! Total flux subtracted in 200 components = 0.00541767 Jy ! Clean residual min=-0.019378 max=0.010511 Jy/beam ! Clean residual mean=-0.002949 rms=0.004907 Jy/beam ! Combined flux in latest and established models = 4.51614 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 = 0.000192801 Jy ! Component: 100 - total flux cleaned = 0.000540651 Jy ! Component: 150 - total flux cleaned = 0.000704087 Jy ! Component: 200 - total flux cleaned = 0.000706545 Jy ! Total flux subtracted in 200 components = 0.000706545 Jy ! Clean residual min=-0.019114 max=0.009562 Jy/beam ! Clean residual mean=-0.003049 rms=0.004809 Jy/beam ! Combined flux in latest and established models = 4.51684 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 82 components and 4.51684 Jy ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.9312 mas, bmaj=2.028 mas, bpa=10.94 degrees ! Estimated noise=1327.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00338885 Jy ! Component: 100 - total flux cleaned = -0.00374725 Jy ! Component: 150 - total flux cleaned = -0.00374758 Jy ! Component: 200 - total flux cleaned = -0.00374639 Jy ! Total flux subtracted in 200 components = -0.00374639 Jy ! Clean residual min=-0.016065 max=0.011669 Jy/beam ! Clean residual mean=-0.001344 rms=0.003678 Jy/beam ! Combined flux in latest and established models = 4.51309 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 90 components and 4.5131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265452Jy sigma=0.001106 ! Fit after self-cal, rms=0.265156Jy sigma=0.001102 wmodel J2258-2758_X_2013_01_09_pus_map.mod ! Writing 90 model components to file: J2258-2758_X_2013_01_09_pus_map.mod wobs J2258-2758_X_2013_01_09_pus_uvs.fits ! Writing UV FITS file: J2258-2758_X_2013_01_09_pus_uvs.fits wwins J2258-2758_X_2013_01_09_pus_map.win ! wwins: Wrote 3 windows to J2258-2758_X_2013_01_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00647694 Jy ! Component: 100 - total flux cleaned = -0.0101908 Jy ! Component: 150 - total flux cleaned = -0.0122032 Jy ! Component: 200 - total flux cleaned = -0.0135251 Jy ! Component: 250 - total flux cleaned = -0.0149535 Jy ! Component: 300 - total flux cleaned = -0.0159732 Jy ! Component: 350 - total flux cleaned = -0.0166249 Jy ! Component: 400 - total flux cleaned = -0.017414 Jy ! Component: 450 - total flux cleaned = -0.0183273 Jy ! Component: 500 - total flux cleaned = -0.0187684 Jy ! Component: 550 - total flux cleaned = -0.0196288 Jy ! Component: 600 - total flux cleaned = -0.0201853 Jy ! Component: 650 - total flux cleaned = -0.0207254 Jy ! Component: 700 - total flux cleaned = -0.0209886 Jy ! Component: 750 - total flux cleaned = -0.0215056 Jy ! Component: 800 - total flux cleaned = -0.0217582 Jy ! Component: 850 - total flux cleaned = -0.0221312 Jy ! Component: 900 - total flux cleaned = -0.0223752 Jy ! Component: 950 - total flux cleaned = -0.0227332 Jy ! Component: 1000 - total flux cleaned = -0.0229671 Jy ! Total flux subtracted in 1024 components = -0.0230829 Jy ! Clean residual min=-0.005734 max=0.006836 Jy/beam ! Clean residual mean=-0.000384 rms=0.002244 Jy/beam ! Combined flux in latest and established models = 4.49001 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 150 components and 4.49001 Jy ![Exited script file: muppet] wmap "J2258-2758_X_2013_01_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9312 x 2.028 at 10.94 degrees (North through East) ! Clean map min=-0.015821 max=4.0379 Jy/beam ! Writing clean map to FITS file: J2258-2758_X_2013_01_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 4.0379 invert ! Inverting map ! Your choice of large map pixels excluded 3.39% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00224374 device "J2258-2758_X_2013_01_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_X_2013_01_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.166701 0.166701 0.333402 0.666805 1.33361 2.66722 5.33444 10.6689 21.3377 42.6755 85.351 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0067 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.037 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9312 x 2.028 at 10.94 degrees (North through East) ! Clean map min=-0.015821 max=4.0379 Jy/beam quit ! Quitting program ! Log file J2258-2758_X_2013_01_09_pus_uvs.log closed on Mon Nov 3 15:56:27 2014