HD 80606 b
Tampilan
Planet luar surya | Daftar planet luar surya | |
---|---|---|
![]() to scale with Jupiter | ||
Bintang utama | ||
Bintang | HD 80606 | |
Rasi bintang | Ursa Major | |
Asensio rekta | (α) | 09j 22m 37.5679d |
Deklinasi | (δ) | +50° 36′ 13.397″ |
Magnitudo tampak | (mV) | 8.93 |
Jarak | 190 tc (58 pc) | |
Tipe | G5V | |
Elemen orbit | ||
Sumbu semi-mayor | (a) | 0.453 ± 0.015[1] SA |
7.8 mas | ||
Apsis | (q) | 0.0301 SA |
Apastron | (Q) | 0.876 SA |
Eksentrisitas | (e) | 0.9336 ± 0.0002[2] |
Periode orbit | (P) | 111.436 ± 0.003[1] h (0.30509 t) |
Kecepatan orbit | (υ) | 31.7[notes 1] km/s |
Inklinasi | (i) | 89.285 ± 0.023[2]° |
Argumen of periastron |
(ω) | 300.4977 ± 0.0045[2]° |
Waktu periastron | (T0) | 2,454,424.857 ± 0.05[1] HJ |
Waktu transit | (Tt) | 2,454,876.344 ± 0.011[2] HJ |
Waktu gerhana | (Te) | 2,454,424.736 ± 0.003[3] HJ |
Semi-amplitudo | (K) | 472 ± 5[1] m/s |
Ciri-ciri fisik | ||
Massa | (m) | 4.0 ± 0.3[1] MJ |
Jari-jari | (r) | 0.921 ± 0.036[4] RJ |
Massa jenis | (ρ) | 4440 ± 240[2] kg/m3 |
Gravitasi permukaan | (g) | 9.6 g |
Suhu | (T) | at periastron: 1500 K |
Keterangan penemuan | ||
Tanggal penemuan | April 4, 2001 | |
Penemu | Mayor et al. | |
Metode penemuan | Radial velocity | |
Tempat penemuan | Geneva Extrasolar Planet Search | |
Status penemuan | Published | |
Referensi basis data | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data |
HD 80606 b ialah planet luar surya.
Nota
- ^ From perimeter of the orbit divided by orbital period.
Referensi
- ^ a b c d e Moutou, C.; et al. (2009). "Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80606 b". Astronomy and Astrophysics. 498 (5): L5–L8. arXiv:0902.4457
. Bibcode:2009A&A...498L...5M. doi:10.1051/0004-6361/200911954.
- ^ a b c d e Fossey, S. J., Waldman, I. P., and Kipping, D. M. (2009). "Detection of a transit by the planetary companion of HD 80606". Monthly Notices of the Royal Astronomical Society: Letters. 396: L16–L20. arXiv:0902.4616
. Bibcode:2009MNRAS.396L..16F. doi:10.1111/j.1745-3933.2009.00653.x.
- ^ Laughlin, G.; et al. (2009). "Rapid heating of the atmosphere of an extrasolar planet". Nature. 457 (7229): 562–564. Bibcode:2009Natur.457..562L. doi:10.1038/nature07649. PMID 19177124.
- ^ Hidas, M. G. et al. (2010). "An ingress and a complete transit of HD 80606 b". arΧiv:1002.1052 [astro-ph.EP].
Pranala luar
Media tentang HD 80606 b di Wikimedia Commons
- Naef; Latham, D. W.; Mayor, M.; Mazeh, T.; Beuzit, J. L.; Drukier, G. A.; Perrier-Bellet, C.; Queloz, D.; Sivan, J. P.; et al. (2001). "HD 80606 b, a planet on an extremely elongated orbit". Astronomy and Astrophysics. 375 (2): L27–L30. arXiv:astro-ph/0106256
. Bibcode:2001A&A...375L..27N. doi:10.1051/0004-6361:20010853.
- Butler; Wright, J. T.; Marcy, G. W.; Fischer, D. A.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D.; Johnson, J. A.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493
. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.
- Heating Up on a Distant Planet (ScienceFriday)