2007PASP..119..742B

Query : 2007PASP..119..742B

2007PASP..119..742B - Publ. Astron. Soc. Pac., 119, 742-746 (2007/July-0)

Radial velocities of six OB stars.

BOYAJIAN T.S., GIES D.R., BAINES E.K., BARAI P., GRUNDSTROM E.D., McSWAIN M.V., PARKS J.R., RIDDLE R.L., RYLE W.T. and WINGERT D.W.

Abstract (from CDS):

We present new results from a radial velocity study of six bright OB stars with little or no prior measurements. One of these, HD 45314, may be a long-period binary, but the velocity variations of this Be star may be related to changes in its circumstellar disk. Significant velocity variations were also found for HD 60848 (possibly related to nonradial pulsations) and HD 61827 (related to wind variations). The other three targets, HD 46150, HD 54879, and HD 206183, are constant-velocity objects, but we note that HD 54879 has Hα emission that may originate from a binary companion. We illustrate the average red spectrum of each target.

Abstract Copyright: ∼

Journal keyword(s): Stars

Simbad objects: 7

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Number of rows : 7
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 45314 Be* 06 27 15.7784072112 +14 53 21.212913660 5.91 6.79 6.64     O9:npe 183 0
2 HD 46150 Y*O 06 31 55.5205071744 +04 56 34.296516096 6.03 6.86 6.73 6.50 6.41 O5V((f))z 413 0
3 HD 54879 SB* 07 10 08.1487629504 -11 48 09.838940004 6.8 7.60 7.65     O9.7V 98 0
4 HD 60848 Be* 07 37 05.7325392528 +16 54 15.300327852 5.55 6.67 6.87     O8:V:pe 150 0
5 HD 61827 * 07 39 49.3378796760 -32 34 42.134435760 7.91 9.52 8.20 8.19   O8/9(Ib) 83 0
6 NGC 2439 OpC 07 40 46.5 -31 41 36   7.31 6.9     ~ 150 0
7 HD 206183 * 21 38 26.2840588344 +56 58 25.459055868 6.75 7.55 7.41     O9.5IV-V 103 0

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