HD 4113
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Sculptor |
| Right ascension | 00h 43m 13s |
| Declination | -37º 58' 57″ |
| Apparent magnitude (V) | +7.88 |
| Absolute magnitude (V) | +4.66 |
| Distance | 144 ly (44 pc) |
| Spectral type | G5V |
| Other designations | |
HD 4113 is a star in the constellation Sculptor. This star is similar to our Sun and has one planet.
[edit] HD 4113 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 1.28 AU |
| Eccentricity | (e) | 0.903±0.005 |
| Orbital period | (P) | 526.62±0.3 d |
| Angular distance | (θ) | 29 mas |
| Longitude of periastron |
(ω) | -42.3±1.9° |
| Time of periastron | (T0) | 2453778±0.2 JD |
| Semi-amplitude | (K) | 37.8 m/s |
| Physical characteristics | ||
| Mass | (m) | >1.56±0.04 MJ |
| Discovery information | ||
| Discovery date | Oct 26, 2007 | |
| Discoverer(s) | Tamuz et al. | |
| Detection method | radial velocity | |
| Discovery status | Published | |
HD 4113 b is a jovian planet that orbits very eccentrically (e=0.903) with 527 day period at the distance of 1.28 AU from the parent star. At periastron, the distance is 0.12 AU and at apastron, the distance is 2.44 AU.
[edit] References
- O. Tamuz, D. Ségransan, S. Udry, M. Mayor, A. Eggenberger, D. Naef, F. Pepe, D. Queloz, N.C. Santos, B.-O. Demory, P. Figuera, M. Marmier, G. Montagnier (2007). "The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD4113 and HD156846". A&A.
[edit] External links
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