In this stage, images with significant emission are cleaned to a threshold of 4 x (the RMS noise measured by tclean) using automasking. If a clean mask is not found automatically, then no further cleaning is performed.

Image Details

Field Spw
091015-091014 (TARGET) (SELFCAL)
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 2, 20, 3, 4, 5, 6, 7, 8, 9 / EVLA_K#A0C0#10, EVLA_K#A0C0#11, EVLA_K#B0D0#12, EVLA_K#B0D0#13, EVLA_K#B0D0#14, EVLA_K#B0D0#15, EVLA_K#B0D0#16, EVLA_K#B0D0#17, EVLA_K#B0D0#18, EVLA_K#B0D0#19, EVLA_K#A0C0#2, EVLA_K#B0D0#20, EVLA_K#A0C0#3, EVLA_K#A0C0#4, EVLA_K#A0C0#5, EVLA_K#A0C0#6, EVLA_K#A0C0#7, EVLA_K#A0C0#8, EVLA_K#A0C0#9
Iteration 2: image
data type
SELFCAL_CONT_SCIENCE
stokes I
centre frequency of image 23.1037GHz (LSRK)
beam 3.60 x 3.00 arcsec
beam p.a. 58.5deg
final theoretical sensitivity 5.9 uJy/beam
total number of major cycles done 5
clean residual peak / scaled MAD 5.58
non-pbcor image RMS 6.6 uJy/beam
pbcor image max / min 399 / -27.6 uJy/beam
fractional bandwidth / nterms 9.2% / 1
aggregate bandwidth 1.82 GHz (LSRK)
nsigma 4.0
n-sigma * initial scaled MAD of residual 3.53e-05 Jy/beam
n-sigma * final scaled MAD of residual 2.68e-05 Jy/beam
vis. amp. ratio 3.86
score 0.58
image file
oussid.s34_0.091015-091014_sci.K_band.cont.selfcal.I.iter2.image.tt0
calcsb
False
cleancontranges
False
drcorrect
-999.0
hm_cleaning
rms
hm_cyclefactor
3.0
hm_dogrowprune
None
hm_fastnoise
None
hm_growiterations
-999
hm_lownoisethreshold
-999.0
hm_masking
None
hm_maxpsffraction
-999.0
hm_minbeamfrac
-999.0
hm_minpercentchange
-999.0
hm_minpsffraction
-999.0
hm_negativethreshold
-999.0
hm_noisethreshold
-999.0
hm_npixels
0
hm_nsigma
0.0
hm_perchanweightdensity
None
hm_sidelobethreshold
-999.0
hm_weighting
None
masklimit
2.0
output_dir
 
overwrite_on_export
True
parallel
automatic
target_list
[{'antenna': ['0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26&'], 'field': '091015-091014', 'intent': 'TARGET', 'spw': '2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20', 'spwsel_lsrk': {'spw2': '', 'spw3': '', 'spw4': '22.2307702156~22.2331019017GHz;22.2349641208~22.2352301521GHz;22.2356839702~22.2375774871GHz LSRK', 'spw5': '', 'spw6': '22.3392664571~22.3461754906GHz LSRK', 'spw7': '', 'spw8': '', 'spw9': '', 'spw10': '', 'spw11': '', 'spw12': '', 'spw13': '', 'spw14': '', 'spw15': '23.6897991340~23.6914033000GHz;23.6917632592~23.6918806372GHz;23.6925457792~23.6928509620GHz;23.6939308396~23.6939621404GHz;23.6945333800~23.6947211848GHz;23.6955741316~23.6960905948GHz;23.6965131556~23.6966148832GHz;23.6969357164~23.6969748424GHz LSRK', 'spw16': '23.7177383160~23.7211501032GHz;23.7222612816~23.7254461380GHz LSRK', 'spw17': '', 'spw18': '23.8652338178~23.8652885949GHz;23.8653433720~23.8655390045GHz;23.8655937816~23.8656642093GHz;23.8657033358~23.8657972394GHz;23.8658363659~23.8659380948GHz;23.8659850466~23.8661024261GHz;23.8661806791~23.8665093417GHz;23.8666032453~23.8669006067GHz;23.8670336368~23.8676518355GHz;23.8677692150~23.8678865945GHz;23.8681448294~23.8699133472GHz;23.8702654857~23.8711888711GHz;23.8713845036~23.8716583891GHz;23.8717914192~23.8724174432GHz;23.8725504733~23.8728556600GHz;23.8729260877~23.8729730395GHz LSRK', 'spw19': '', 'spw20': ''}, 'spwsel_topo': None, 'spwsel_all_cont': False, 'spwsel_low_bandwidth': False, 'spwsel_low_spread': False, 'num_all_spws': 19, 'num_good_spws': 19, 'cell': ['0.61arcsec'], 'cfcache': None, 'imsize': [320, 320], 'pblimit': None, 'phasecenter': 'ICRS 05:46:08.8810 -000.12.18.232', 'psf_phasecenter': 'ICRS 05:46:08.8810 -000.12.18.232', 'specmode': 'cont', 'gridder': 'standard', 'datacolumn': 'corrected', 'datatype': 'SELFCAL_CONT_SCIENCE', 'datatype_info': 'SELFCAL_CONT_SCIENCE', 'deconvolver': 'mtmfs', 'imagename': 'oussid.sSTAGENUMBER.091015-091014_sci.K_band.cont.selfcal', 'start': '', 'width': '', 'nbin': -1, 'nchan': -1, 'stokes': 'I', 'nterms': 1, 'robust': 0.5, 'uvrange': '>4.1klambda', 'bl_ratio': 3.8601816300031646, 'uvtaper': [], 'scales': None, 'niter': None, 'cycleniter': None, 'cyclefactor': None, 'nmajor': None, 'sensitivity': None, 'threshold': None, 'reffreq': None, 'restfreq': None, 'vis': ['15B-229.sb31482159.eb31503322.57370.311231643514_targets_cont.ms'], 'is_per_eb': None, 'usepointing': False, 'mosweight': False, 'drcorrect': None, 'flagpct': None}]
tlimit
2.0
vis
['15B-229.sb31482159.eb31503322.57370.311231643514_targets_line.ms']
vlass_plane_reject_im
{'apply': True, 'exclude_spw': '', 'flagpct_thresh': 0.8, 'beamdev_thresh': 0.2}
Start time
2025-01-09 14:01:01.078
End
2025-01-09 14:32:00.481
Duration
0:30:59.402
Context size
300.2 MiB
Note, WebLog generation is not included in the time.

CASA logs for stage 34