HD 73256
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Pyxis |
| Right ascension | 08h 36m 23.02s |
| Declination | −30° 02′ 15.46″ |
| Apparent magnitude (V) | 8.08 |
| Absolute magnitude (V) | 5.27 |
| Distance | 119 ly (36.5 pc) |
| Spectral type | G9V |
| Other designations | |
HD 73256 is a star in the constellation Pyxis. The spectral type is G9V with a quarter more mass than the Sun.
[edit] HD 73256 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 0.037 AU |
| Eccentricity | (e) | 0.029±0.02 |
| Orbital period | (P) | 2.54858±0.00016 d |
| Angular distance | (θ) | 1.01 mas |
| Longitude of periastron |
(ω) | 337±46° |
| Time of periastron | (T0) | 2452500.18±0.28 JD |
| Semi-amplitude | (K) | 269±8 m/s |
| Physical characteristics | ||
| Mass | (m) | >1.87 MJ |
| Discovery information | ||
| Discovery date | 2003 | |
| Discoverer(s) | Udry et al. | |
| Detection method | Doppler spectroscopy | |
| Discovery status | Published | |
HD 73256 b is an 1.87 MJ hot Jupiter orbiting at 0.037 AU taking 2.55 days to orbit around HD 73256.
[edit] References
- S. Udry, M. Mayor, J. V. Clausen, L. M. Freyhammer, B. E. Helt, C. Lovis, D. Naef, E. H. Olsen, F. Pepe, D. Queloz and N. C. Santos (2003). "The CORALIE survey for southern extra-solar planets X. A Hot Jupiter orbiting HD 73256". A&A.
[edit] External links
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