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| Query : 1998A&A...338...85M |
1998A&A...338...85M - Astronomy and Astrophysics, volume 33885-90 (1998/10-1)
Rotational velocities of B-type stars from the Edinburgh-Cape survey.
MAGEE H.R.M., DUFTON P.L., KEENAN F.P., ROLLESTON W.R.J., KILKENNY D., O'DONOGHUE D., KOEN C., STOBIE R.S. and PETERSON R.C.
Abstract (from CDS):
The projected rotational velocity distribution for a sample of 34 high Galactic latitude B-type stars from the Edinburgh-Cape Faint Blue Object Survey is presented to investigate the evolutionary status of the group as a whole. Statistical analyses of the distribution show it to be similar to that expected if the sample contained mainly normal Population I early B-type stars, although a contamination of up to 20% by evolved stars cannot be ruled out. This implies that a large fraction of the sample consists of normal Population I B-type stars similar to those found in the Galactic disk. Possible mechanisms explaining the presence of these stars in the halo are briefly discussed.
Abstract Copyright: ∼
Journal keyword(s): stars: early-type - stars: rotation - stars: formation - Galaxy: halo - Galaxy: stellar content
Simbad objects: 38
| Number of rows : 38 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | HD 3175 | * | 00 34 22.3884606312 | -63 03 42.017180616 | 8.5 | 9.15 | 9.33 | B4V | 48 | 0 | ||
| 2 | BD-15 115 | * | 00 38 20.2595898264 | -14 59 54.165165180 | 9.848 | 10.686 | 10.885 | 10.980 | 11.089 | B2 | 66 | 0 |
| 3 | CD-56 152 | Be* | 00 49 01.3059074664 | -56 05 49.339960980 | 10.11 | 10.18 | Be | 67 | 0 | |||
| 4 | CD-68 82 | HS? | 01 49 40.2605163864 | -67 50 01.552628580 | 10.20 | 10.86 | 11.07 | B3 | 13 | 0 | ||
| 5 | CPD-62 272 | HB* | 03 24 59.3484407880 | -62 18 58.684743036 | 10.72 | 11.00 | 11.05 | B8 | 17 | 0 | ||
| 6 | HD 24101 | HB* | 03 47 20.7021938664 | -58 04 36.249607992 | 9.35 | 9.81 | 9.84 | 9.85 | 10.123 | B7V | 33 | 0 |
| 7 | Ton S 401 | HB* | 04 08 46.4876206920 | -29 49 11.453104848 | 11.67 | 12.13 | 12.46 | B8 | 6 | 0 | ||
| 8 | EC 04420-1908 | HB* | 04 44 16.3806246696 | -19 02 41.977360284 | 12.58 | 13.07 | 13.14 | B6 | 11 | 0 | ||
| 9 | EC 04460-3215 | HB* | 04 47 58.1594375760 | -32 09 53.654084604 | 11.27 | 11.65 | 11.60 | A3 | 10 | 0 | ||
| 10 | CPD-61 455 | pA* | 05 23 33.6428992104 | -60 55 29.151372036 | 10.18 | 11.12 | 11.20 | B0.5-1IV-V+K0: | 31 | 0 | ||
| 11 | LB 1789 | * | 05 45 10.1492949960 | -47 39 51.586848108 | 12.15 | 12.92 | 12.64 | B6 | 15 | 0 | ||
| 12 | CD-45 2192 | * | 05 50 32.1848934048 | -45 10 14.452281264 | 9.81 | 10.43 | 10.56 | B3 | 10 | 0 | ||
| 13 | CD-61 1208 | HS* | 05 52 08.0567895288 | -61 07 13.972214748 | 10.12 | 11.05 | 11.25 | sdB | 23 | 0 | ||
| 14 | HD 41037 | Ro* | 05 58 59.0941459752 | -58 16 07.751401140 | 8.64 | 9.30 | 9.46 | B3V | 22 | 0 | ||
| 15 | CD-80 228 | HB* | 06 34 30.4280214648 | -80 47 42.837585756 | 10.26 | 11.10 | 10.99 | B4 | 14 | 0 | ||
| 16 | HD 108230 | * | 12 26 11.6004150024 | -32 19 16.266212148 | 8.37 | 9.19 | 9.33 | B2III/IV | 30 | 0 | ||
| 17 | CD-76 983 | bC? | 19 14 10.7240886912 | -76 38 14.193645792 | 9.22 | 10.07 | 10.23 | B3 | 37 | 0 | ||
| 18 | HD 187311 | * | 19 51 04.6991222952 | -41 01 23.633971392 | 9.41 | 10.08 | 10.23 | 10.2 | 10.343 | B5II | 38 | 0 |
| 19 | BPS CS 22896-0165 | HS? | 19 53 01.0848444168 | -56 33 40.333723992 | 12.72 | 13.57 | 13.74 | B2 | 11 | 0 | ||
| 20 | EC 19490-7708 | HB* | 19 55 55.1859877824 | -77 00 38.916869004 | 12.36 | 12.88 | 12.50 | B6: | 11 | 0 | ||
| 21 | JL 36 | HS* | 20 01 52.2800951736 | -71 57 25.656739308 | 11.97 | 12.81 | 12.95 | sdB | 25 | 0 | ||
| 22 | CD-38 13815 | ** | 20 01 58.8010413144 | -38 15 32.463690984 | 9.90 | 11.055 | B2 | 13 | 0 | |||
| 23 | HD 189424 | HB* | 20 02 06.0021593904 | -47 18 51.323915736 | 10.19 | 10.67 | 10.81 | B7/8II/III | 14 | 0 | ||
| 24 | EC 20011-5005 | HB* | 20 04 52.7062619424 | -49 57 14.841973620 | 13.20 | 13.76 | 13.87 | B5 | 13 | 0 | ||
| 25 | HD 191466 | HB* | 20 12 58.0446707016 | -56 50 47.971544496 | 8.12 | 8.60 | 8.68 | B5/6III | 21 | 0 | ||
| 26 | EC 20104-2944 | * | 20 13 34.7079789648 | -29 35 35.548742040 | 12.34 | 12.85 | 12.90 | B6.5 | 9 | 0 | ||
| 27 | HD 192273 | * | 20 19 06.3409755648 | -69 26 06.443245572 | 7.82 | 8.65 | 8.83 | B2V | 44 | 0 | ||
| 28 | EC 20153-6731 | * | 20 20 06.00 | -67 22 00.0 | 10.806 | B6 | 4 | 0 | ||||
| 29 | CD-31 17605 | HB* | 20 28 20.4212277768 | -31 27 06.415949628 | 9.29 | 10.180 | 10.35 | B2 | 9 | 0 | ||
| 30 | HD 195455 | * | 20 32 14.6954243880 | -24 04 03.661637772 | 8.12 | 9.02 | 9.20 | B1/2III | 68 | 0 | ||
| 31 | EC 20411-2703 | Pu* | 20 44 06.0468312456 | -26 52 54.258764520 | 10.75 | 11.32 | 11.41 | B4 | 8 | 0 | ||
| 32 | JL 62 | V* | 20 47 43.1777953560 | -75 24 01.339655796 | 10.74 | 11.31 | 11.42 | B4e | 12 | 0 | ||
| 33 | CD-24 16312 | HS? | 20 51 29.8670235336 | -24 09 05.141260764 | 10.89 | 11.74 | 11.88 | B4? | 13 | 0 | ||
| 34 | JL 82 | HS* | 21 36 01.2957494184 | -72 48 27.222290172 | 11.26 | 12.44 | 12.41 | 12.67 | sdB | 42 | 0 | |
| 35 | JL 87 | HS* | 21 48 37.7351993616 | -76 20 44.612786472 | 11.04 | 11.96 | 12.07 | sdBHe | 43 | 0 | ||
| 36 | JL 124 | HS* | 23 06 47.7286642536 | -77 53 02.215191876 | 12.84 | 13.62 | 13.69 | sdB | 12 | 0 | ||
| 37 | EC 23073-6905 | HS* | 23 10 35.6020735128 | -68 49 30.530881056 | 11.40 | 12.22 | 12.33 | sdB | 16 | 0 | ||
| 38 | PHL 460 | HS* | 23 19 36.6245497968 | -22 19 03.899771004 | 12.01 | 12.03 | sdB | 20 | 0 |
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