51 Pegasi b
Daripada Wikipedia, ensiklopedia bebas.
| Planet luar suria | Senarai planet luar sistem suria | |
|---|---|---|
 |
||
| Bintang induk | ||
| Bintang | 51 Pegasi | |
| Buruj | Pegasus | |
| Garis kanan | (α) | 22j 57m 28.0s |
| Keserongan | (δ) | +20° 46′ 08″ |
| Magnitud ketara | (mV) | 5.49 |
| Jarak | 50.9 ± 0.3 ly (15.61 ± 0.09 pc) |
|
| Jenis spektra | G2.5IVa or G4-5Va | |
| Jisim | (m) | 1.06 M? |
| Jejari | (r) | 1.237 ± 0.047 R? |
| Suhu | (T) | 5571 ± 102 K |
| Kelogaman | [Fe/H] | 0.20 ± 0.07 |
| Umur | 6.1-8.1 Gtahun | |
| Unsur orbit | ||
| Paksi separa | (a) | 0.0527 ± 0.0030 AU (7.89 Gm) |
| Periastron | (q) | 0.0520 AU (7.79 Gm) |
| Apastron | (Q) | 0.0534 AU (7.99 Gm) |
| Keeksentrikan | (e) | 0.013 ± 0.012 |
| Tempoh orbit | (P) | 4.230785 ± 0.000036 h |
| (101.5388 j) | ||
| Kelajuan orbit | (?) | 136 km/s |
| Hujah periastron |
(?) | 58° |
| Masa periastron | (T0) | 2,450,001.51 ± 0.61 JD |
| Semi-amplitud | (K) | 55.94 ± 0.69 m/s |
| Ciri fizikal | ||
| Jisim minimum | (m sin i) | 0.472 ± 0.039 MJ (150 M?) |
| Maklumat penemuan | ||
| Tarikh penemuan | 6 Oktober 1995 | |
| Penemu | Michel Mayor Didier Queloz |
|
| Kaedah pengesanan | Halaju jejarian (ELODIE) | |
| Tempat penemuan |  Haute-Provence |
|
| Status penemuan | Diterbitkan | |
| Perekaan lain | ||
| Rujukan pangkalan data | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
51 Pegasi b (disingkatkan 51 Peg b), dinamakan Bellerophon, adalah planet luar suria kira-kira 50 tahun cahaya dalam buruj Pegasus.
[sunting] Rujukan
- Butler et al.; Wright, J. T.; Marcy, G. W.; Fischer, D. A.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D. dll. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. doi:10.1086/504701. http://www.iop.org/EJ/article/0004-637X/646/1/505/64046.html. (web version)
[sunting] Pautan luar
- Jean Schneider (2011). "Notes for Planet 51 Peg b". Extrasolar Planets Encyclopaedia. http://exoplanet.eu/planet.php?p1=51+Peg&p2=b. Capaian 3 October 2011.
- "51 Pegasi". SolStation. http://www.solstation.com/stars2/51pegasi.htm. Capaian 2008-07-03.
- "51 Peg". Exoplanets. http://media4.obspm.fr/exoplanets/base/etoile.php?nom=51+Peg.
- ""Bellerophon" - 51 Pegasi b". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=&PlanetId=1. Capaian 2008-07-03.
- "The First Extrasolar Planet around a Solar-type Star". University of Geneva. http://obswww.unige.ch/~udry/planet/51peg.html. Capaian 2008-07-03.
- "The Planet Around 51 Peg". Lick Observatory. http://exoplanets.org/esp/51peg/51peg.shtml. Capaian 2008-07-03.
