4. Tclean/MakeImages
Make target per-spw continuum images

Task notifications
Warning! tclean reached niter limit of 20000 for 138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,556,557,558,559,560,561,562,563,648,649,650,651,652,653,654,655,656,657,658,659,660,661,662,663,664,665,666,667,668,669,670,671,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956,957,958,959,960,961,962,963,1140,1141,1142,1143,1144,1145,1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160,1161,1162,1163,1248,1249,1250,1251,1252,1253,1254,1255,1256,1257,1258,1259,1260,1261,1262,1263,1264,1265,1266,1267,1268,1269,1270,1271,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550,1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1648,1649,1650,1651,1652,1653,1654,1655,1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,1671 / spw2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 !

Image Details

Field Spw Pol Image details Image result
138 (TARGET) 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 I centre frequency of image 3.0000GHz (LSRK) Iteration 1: image

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beam 2.83 x 1.68 arcsec
beam p.a. 53.7deg
final theoretical sensitivity -
cleaning threshold 0.00054
clean residual peak / scaled MAD 6.35
non-pbcor image RMS 9.2e-05 Jy/beam
pbcor image max / min 0.211 / -0.00644 Jy/beam
fractional bandwidth / nterms 69% / 2
aggregate bandwidth 2.05 GHz (LSRK)
score 1.00
image file VLASS1.1.ql.T05t17.J105038-203000.10.2048.v1.I.iter1.image.tt0
Pipeline QA summary for this task.
Score Reason
1.00
masklimit
2.0
noise
1.0Jy
hm_masking
none
hm_minbeamfrac
-999.0
subcontms
False
hm_negativethreshold
-999.0
cleancontranges
False
vis
['/lustre/aoc/cluster/pipeline/vlass_auto/spool/quicklook/VLASS1.1_T05t17.J105038-203000_P25124v1_2018_04_17T14_44_55.363/working/VLASS1.1.sb34898226.eb35042893.58162.29820586806_split.ms']
hm_noisethreshold
-999.0
maxncleans
10
target_list
[{'heuristics': , 'phasecenter': 'J2000 10:50:38.507 -20.30.0.0000', 'scales': [0], 'sensitivity': 0.0, 'spw': '2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17', 'imagename': 'VLASS1.1.ql.T05t17.J105038-203000.10.2048.v1', 'spwsel_topo': None, 'nterms': 2, 'threshold': None, 'nbin': None, 'imsize': '[5760,5760]', 'field': '138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,556,557,558,559,560,561,562,563,648,649,650,651,652,653,654,655,656,657,658,659,660,661,662,663,664,665,666,667,668,669,670,671,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956,957,958,959,960,961,962,963,1140,1141,1142,1143,1144,1145,1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160,1161,1162,1163,1248,1249,1250,1251,1252,1253,1254,1255,1256,1257,1258,1259,1260,1261,1262,1263,1264,1265,1266,1267,1268,1269,1270,1271,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550,1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1648,1649,1650,1651,1652,1653,1654,1655,1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,1671', 'conjbeams': False, 'cell': '1.0arcsec', 'width': None, 'spwsel_lsrk': None, 'start': None, 'gridder': 'mosaic', 'cycleniter': 75, 'stokes': 'I', 'nsigma': 4.0, 'reffreq': '3.0GHz', 'intent': 'TARGET', 'uvrange': None, 'cyclefactor': 2.0, 'robust': 1.0, 'niter': 20000, 'nchan': None, 'deconvolver': 'mtmfs', 'mask': '', 'specmode': 'mfs', 'uvtaper': []}]
tlimit
2.0
output_dir
/lustre/aoc/cluster/pipeline/vlass_auto/spool/quicklook/VLASS1.1_T05t17.J105038-203000_P25124v1_2018_04_17T14_44_55.363/working
hm_cleaning
manual
hm_growiterations
-999
robust
-999.0
hm_lownoisethreshold
-999.0
npixels
0
weighting
briggs
parallel
automatic
hm_sidelobethreshold
-999.0
Start time
2018-04-17 21:32:35.249
End
2018-04-21 23:06:26.327
Duration
4 days, 1:33:51.078

CASA logs for stage 4