2003A&A...404..317S


Query : 2003A&A...404..317S

2003A&A...404..317S - Astronomy and Astrophysics, volume 404317-323 (2003/6-2)

The Torino Observatory Parallax Program: White dwarf candidates.

SMART R.L., LATTANZI M.G., BUCCIARELLI B., MASSONE G., CASALEGNO R., CHIUMIENTO G., DRIMMEL R., LANTERI L., MAROCCO F. and SPAGNA A.

Abstract (from CDS):

We present parallax determinations for six white dwarf candidates in the Torino Observatory Parallax Program. The absolute parallaxes are found with precisions at the 2-3 milliarcsec level. For WD 1126+185 we find a distance incompatible with being a white dwarf, implying an incorrect classification. For WD 2216+484 we find our distance is consistent with a simple DA white dwarf rather than a composite system as previously proposed in the literature. In general it is found that the published photometric distance is an overestimate of the distance found here.

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Journal keyword(s): white dwarfs - stars: distances - astrometry

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 EGGR 566 WD* 03 25 11.0474878302 -01 49 15.047041848   16.8 16.22     DZA9 89 0
2 EGGR 169 WD* 04 25 53.7276237576 +12 11 48.337246428   15.96 15.44 15.54 14.77 DA8 60 0
3 PG 1126+186 WD* 11 29 18.0386092752 +18 16 45.645119580   13.37 14.10   13.23 DC+G/K(e) 19 0
4 Wolf 672 A WD* 17 18 35.1636500684 +01 56 53.203775107       14.63   DA3.7 93 0
5 Wolf 672 B PM* 17 18 35.7308021334 +01 56 43.184997871     14.05 13.671   M4 36 0
6 EGGR 200 WD* 18 42 57.7479820102 -11 08 53.183098481       14.46 14.01 DA4.9 45 0
7 GD 402 WD* 22 18 51.1409905272 +48 39 29.002709232   16.7   15.96   DA8.3 29 0

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