HD 189733 b
Penampilan
Planet luar suria | Senarai | |
---|---|---|
Bintang induk | ||
Bintang | HD 189733 A | |
Buruj | Vulpecula | |
Jarak hamal | (α) | 20j 00m 43.7133s |
Keserongan | (δ) | +22° 42′ 39.070″ |
Magnitud ketara | (mV) | 7.66 |
Jarak | 62.9 ly (19.3 pc) | |
Jenis spektrum | K1-K2V | |
Jisim | (m) | 0.8 ± 0.4 M? |
Jejari | (r) | 0.781 ± 0.051 R? |
Suhu | (T) | 4939 ± 158 K |
Kelogaman | [Fe/H] | -0.03 ± 0.04 |
Umur | >0.6 Gtahun | |
Unsur orbit | ||
Paksi semimajor | (a) | 0.03099 ± 0.0006 AU (4.636 ± 0.09 Gm) |
Periastron | (q) | 0.03096 AU (4.632 Gm) |
Apastron | (Q) | 0.03102 AU (4.641 Gm) |
Kesipian | (e) | 0.0010 ± 0.0002 |
Tempoh orbit | (P) | 2.2185733 ± 0.00002 h |
(53.245759 j) | ||
Kelajuan orbit | (?) | 152.5 km/s |
Kecondongan | (i) | 85.76 ± 0.29° |
Masa transit | (Tt) | 2,453,988.80336 ± 0.00024 JD |
Semiamplitud | (K) | 205 ± 6 m/s |
Ciri fizikal | ||
Jisim | (m) | 1.13 ± 0.03 MJ |
Jejari | (r) | 1.138 ± 0.027 RJ |
Graviti permukaan | (g) | 21.2 m/s² |
Suhu | (T) | 1117 ± 42 K |
Maklumat penemuan | ||
Tarikh penemuan | 5 October 2005 | |
Penemu | Bouchy et al. | |
Tempat penemuan | Haute-Provence Observatory | |
Status penemuan | Disahkan | |
Rujukan pangkalan data | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data |
HD 189733 b adalah planet luar suria.
Lihat juga
[sunting | sunting sumber]Rujukan
[sunting | sunting sumber]Pautan luar
[sunting | sunting sumber]Kategori berkenaan HD 189733 b di Wikimedia Commons
- Berdyugina; Berdyugin; Fluri; Piirola; dll. (2008-02-02). "First Detection of Polarized Scattered Light from an Exoplanetary Atmosphere". The Astrophysical Journal. 673: L83–L86. arXiv:0712.0193. doi:10.1086/527320. Explicit use of et al. in:
|author=
(bantuan) - Naeye, Robert (2005-10-07). "The Best Transiting Exoplanet Yet". Sky & Telescope. Diarkibkan daripada yang asal pada 2013-07-01. Dicapai pada 2008-06-21.
- Deming; Harrington, Joseph; Seager, Sara; Jeremy Richardson; dll. (2006-02-20). "Strong Infrared Emission from the Extrasolar Planet HD189733b". The Astrophysical Journal. 644: 560–564. arXiv:astro-ph/0602443. doi:10.1086/503358. Explicit use of et al. in:
|author=
(bantuan)
- HD 189733 b di WikiSky: DSS2, SDSS, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Rencana dan imej
Koordinat: 20h 00m 43.7133s, +22° 42′ 39.07″ Templat:Sistem bintang cerah terdekat