NGC3267-3268-3269-3271 group of Galaxies in Antlia


DATE 15 Jan 2013
TELESCOPE OPTICS 508 mm mirror f.4 . effective f4.6 with paracorr2. ccd Kodak KAF8300 3326 x 2504px 5.4 x 5.4µm
EXPOSURE binning 1: composite image, 8 min
IMAGE SIZE (ARCMIN) 26
LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) NGC3267 = 178
NGC3268 = 138
NGC3269 = 180
NGC3271 = 183
ESO 375- G 041 = 97
MCG -06-23-039 = 130
MCG -06-23-043 = 94
2MASX J10295436-3519148 = 169
2MASX J10295304-3522307 = 93
2MASX J10294679-3524033 = 812
2MASX J10294837-3525077 = 148
2MASX J10303391-3523103 = 143
2MASX J10294066-3525084 = 2,140
2MASX J10301828-3511487 = 93
MAGNITUDE NGC3267 = 13.5
NGC3268 = 11.4
NGC3269 = 13.2
NGC3271 = 12.8
ESO 375- G 041 = 14.57
MCG -06-23-039 = 15.8
MCG -06-23-043 = 15.0
2MASX J10295436-3519148 = 17
2MASX J10295304-3522307 = 16
2MASX J10294679-3524033 = 17.5
2MASX J10294837-3525077 = 15.1
2MASX J10303391-3523103 = 16.3
2MASX J10294066-3525084 = 16.7r
2MASX J10301828-3511487 = 16.1
POSITION RA-DEC J2000 NGC3267 = 10:29:48.60 -35:19:21.0
NGC3268 = 10:30:00.60 -35:19:32.0
NGC3269 = 10:29:57.00 -35:13:28.0
NGC3271 = 10:30:26.50 -35:21:34.0
ESO 375- G 041 = 10:29:31.00 -35:15:35.0
MCG -06-23-039 = 10:29:51.30 -35:09:51.0
MCG -06-23-043 = 10:30:25.80 -35:06:29.0
2MASX J10295436-3519148 = 10:29:54.40 -35:19:15.0
2MASX J10295304-3522307 = 10:29:53.00 -35:22:31.0
2MASX J10294679-3524033 = 10:29:46.80 -35:24:03.0
2MASX J10294837-3525077 = 10:29:48.40 -35:25:08.0
2MASX J10303391-3523103 = 10:30:33.90 -35:23:10.0
2MASX J10294066-3525084 = 10:29:40.60 -35:25:08.0
2MASX J10301828-3511487 = 10:30:18.30 -35:11:49.0
POSITION ANGLE: NGC3267 = 154
NGC3268 = 71
NGC3269 = 9
NGC3271 = 109
Rotation Velocity km/s NGC3267 = na
NGC3268 = na
NGC3269 = na
NGC3271 = 190
Size (Light Years) NGC3267 = 209,000 (ESO-LV "Quick Blue" IIa-O)
NGC3268 = 168,000 (ESO-LV "Quick Blue" IIa-O)
NGC3269 = 53,000 (ESO-LV "Quick Blue" IIa-O) (needs to be verified, does not seem correct)
NGC3271 = 190,000(ESO-LV "Quick Blue" IIa-O)
DETAILS NGC3268 is an elliptical LINER galaxy and considered the main of the group. NGC3267 and NGC3271 are barred spiral galaxies while NGC3269 has a ringed spiral morphology and 2MASX J10294837-3525077 and 2MASX J10303391-3523103 are elliptical. ESO 375- G 041 is an edge-on spiral. 2MASX J10294679-3524033 is not strictly a part of the local group.

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3268