2000AJ....120.3250K

Query : 2000AJ....120.3250K

2000AJ....120.3250K - Astron. J., 120, 3250-3254 (2000/December-0)

The 0.33 day DA plus dMe binary BPM 6502.

KAWKA A., VENNES S., DUPUIS J. and KOCH R.

Abstract (from CDS):

We have obtained a series of spectroscopic measurements of the high proper-motion star BPM 6502 showing Balmer emission superposed upon the absorption lines. Radial velocity measurements determined by tracing optical absorption and emission lines show that the star is a binary system comprised of a DA white dwarf and an M dwarf with an orbital period of 0.33678 days. The space motion of the system falls within the general white dwarf population, and the system is not expected to initiate mass transfer within a Hubble time.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Close - Stars: Individual: Alphanumeric: BPM 6502 - Ultraviolet Emission - Stars: White Dwarfs

Simbad objects: 6

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Number of rows : 6
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 V* IN CMa CV* 07 20 47.9109655416 -31 47 02.732961552           DAO+dM 93 0
2 HE 1013-0505 WD* 10 16 28.6043334312 -05 20 35.222859276     14.1     DAO.9 108 0
3 WG 17 ** 10 44 10.2360886800 -69 18 18.075899052   13.05 13.09     DA2+dM 64 0
4 V* NN Ser RS* 15 52 56.1203524080 +12 54 44.429312196     16.51     DAO1+M4 287 0
5 RX J2013.1+4002 ** 20 13 09.3685663800 +40 02 24.241439184     14.6     DAO+M2/3e 94 1
6 GD 245 CV* 22 58 48.1351624092 +25 15 43.908615894   13.699 13.650 13.833   DA2.2 74 0

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