WD 0346+246
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| Observation data Epoch J2000.0 (ICRS) |
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|---|---|
| Constellation (pronunciation) |
Taurus |
| Right ascension | 03h 46m 46.508s[1] |
| Declination | +24° 56′ 02.82″[1] |
| Apparent magnitude (V) | 19.0[1] |
| Astrometry | |
| Proper motion (μ) | RA: 547[1] mas/yr Dec.: -1182[1] mas/yr |
| Parallax (π) | 36 ± 5[1] mas |
| Distance | approx. 90 ly (approx. 28 pc) |
| Other designations | |
|
WD 0346+246, WD J0346+249[1]
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WD 0346+246 is a white dwarf star. It was discovered in 1997 when examination of photographs taken for a survey of brown dwarfs in the Pleiades revealed a faint star with high proper motion. It is one of the coolest white dwarfs known, with an effective temperature estimated to be approximately 3900 K.[2]
[edit] References
- ^ a b c d e f g WD 0346+246, entry in SIMBAD. Accessed on line November 5, 2007.
- ^ WD 0346+246: A Very Low Luminosity, Cool Degenerate in Taurus, N. C. Hambly, S. J. Smartt, and S. Hodgkin, Astrophysical Journal Letters 489 (November 1997), pp. L157–L160.
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