OGLE-TR-182
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Carina |
| Right ascension | 11h 09m 19s |
| Declination | -61º 05' 43″ |
| Apparent magnitude (V) | 16.84 |
| Absolute magnitude (V) | 3.26 |
| Distance | approx. 12700 ly (approx. 3900 pc) |
| Spectral type | G |
| Other designations | |
|
n/a
|
|
OGLE-TR-182 is a star in the constellation Carina at a distance of approximately 12700 light years. It is home to the transiting extrasolar planet discovered in October 2007.
[edit] OGLE-TR-182 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 0.051 ± 0.001 AU |
| Eccentricity | (e) | 0 |
| Orbital period | (P) | 3.9791 ± 1e-5 d |
| Inclination | (i) | 85.7 ± 0.3° |
| Angular distance | (θ) | 0.001 mas |
| Time of periastron | (T0) | 2454270.572 JD |
| Semi-amplitude | (K) | 95.7 m/s |
| Physical characteristics | ||
| Mass | (m) | 1.01 ± 0.15 MJ |
| Radius | (r) | 1.13+0.24-0.08 RJ |
| Discovery information | ||
| Discovery date | October 28, 2007 | |
| Discoverer(s) | Pont et al. (OGLE) | |
| Detection method | transit | |
| Discovery status | Published | |
OGLE-TR-182 b is an exoplanet that has mass of 319 Earths, only 1% greater than Jupiter and a radius is 13% greater. The planet’s orbit takes about 4 days to orbit the star at a distance of one twentieth that of Earth’s.
[edit] References
- F. Pont, O. Tamuz, A. Udalski, T. Mazeh, F. Bouchy, C. Melo, D. Naef, N. C. Santos, C. Moutou, R. Diaz, W. Gieren, M. Gillon, S. Hoyer, M. Kubiak, M. Mayor, D. Minniti, G. Pietrzynski, D. Queloz, S. Ramirez, M. T. Ruiz, I. Soszynski, O. Szewczyk, M.K. Szymanski, S. Udry, K. Ulaczyk, L. Wyrzykowski, M. Zoccali (Oct 28, 2007). "A transiting planet among 23 new near-threshold candidates from the OGLE survey - OGLE-TR-182". Astronomy and Astrophysics.
[edit] External links
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