2004A&A...417.1093K

Query : 2004A&A...417.1093K

2004A&A...417.1093K - Astronomy and Astrophysics, volume 4171093-1099 (2004/4-3)

Fifteen DO, PG 1159 and related white dwarf stars in the SDSS, including two DO stars with ultra-high excitation ion lines.

KRZESINSKI J., NITTA A., KLEINMAN S.J., HARRIS H.C., LIEBERT J., SCHMIDT G., LAMB D.Q. and BRINKMANN J.

Abstract (from CDS):

We report on observations of 15 spectroscopically-identified DO stars from the Sloan Digital Sky Survey (SDSS) database, 13 of which are new discoveries. There are four PG 1159 type stars, two DO stars showing ultra-high excitation ion features (CVI, NVII, OVII, OVIII, NeIX, NeX) likely formed in stellar winds, 6 normal DO stars, one DBO and DBAO star, and one DAO star, which may also be magnetic. Since roughly 60 DO stars were known up to now, this new finding substantially increases the number of known DO white dwarf stars and we expect to at least double the current number of known DO stars by the end of the SDSS. We present each spectrum and provide catalog information (magnitudes, proper motion, coordinates) for each star.

Abstract Copyright: ∼

Journal keyword(s): stars: white dwarfs - techniques: spectroscopic - line: identification

CDS comments: Table 1 : designations 'NN' in column 1 not in Simbad.

Simbad objects: 15

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Number of rows : 15
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 PB 5835 WD* 00 16 51.4153668936 -01 13 29.300107908   16   17.41   PG1159 23 0
2 SDSS J003343.06+142251.5 WD* 00 33 43.0562777736 +14 22 51.483297252           DBAO 16 0
3 GALEX J015629.5+131745 WD* 01 56 29.5802763120 +13 17 44.795960340   18.5 18.25 18.6   DB2 16 0
4 LB 2828 WD* 02 54 03.7518680400 +00 58 54.223117752   17.5 17.39     DO 25 0
5 GALEX J034101.3+005353 WD* 03 41 01.3946045856 +00 53 52.921063176   17.38 18.03     DO 16 0
6 GALEX J034227.6-072212 WD* 03 42 27.6240653688 -07 22 13.267809804   17.20 17.88     DO 22 0
7 KUV 07523+4017 WD* 07 55 40.9407521736 +40 09 17.910022752   17.00 17.53     PG1159 24 0
8 SBSS 0910+584 WD* 09 14 33.5975611320 +58 12 38.119111740   17.15 17.79     DO 25 0
9 PG 1144+005 WD* 11 46 35.2284791112 +00 12 33.539992056   14.922 15.233     PG1159 92 0
10 PG 1314+003 WD* 13 17 24.7478552856 +00 02 37.381355736   15.97       DO 33 1
11 FBS 1342+673 WD* 13 43 41.8834097904 +67 01 54.512227344           PG1159 26 0
12 GALEX J140409.9+045740 WD* 14 04 09.9523506456 +04 57 40.013018748   16.96 17.71     DO 17 0
13 FBS 1509+613 WD* 15 10 26.4750534960 +61 06 56.929132152   16.47 17.27     DO 21 0
14 GALEX J155356.7+483228 WD* 15 53 56.8002486888 +48 32 28.593680352           DO 17 0
15 GALEX J163200.3-001928 WD* 16 32 00.3278963208 -00 19 28.337182572           DAO1 18 0

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