HD 80606 b

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HD 80606 b
Planet luar suria Senarai

Computer simulation of weather systems on HD 80606 b,
to scale with Jupiter
Bintang induk
Bintang HD 80606
Buruj Ursa Major
Jarak hamal (α) 09j 22m 37.5679s
Keserongan (δ) +50° 36′ 13.397″
Magnitud ketara (mV) 8.93
Jarak190 ly
(58 pc)
Jenis spektrum G5V
Unsur orbit
Paksi semimajor(a) 0.453 ± 0.015[1] AU
(67.8 Gm)
    7.8 mas
Periastron (q) 0.0301 AU
(4.50 Gm)
Apastron (Q) 0.876 AU
(131 Gm)
Kesipian (e) 0.9336 ± 0.0002[2]
Tempoh orbit(P) 111.436 ± 0.003[1] h
(0.30509 y)
    (2674.5 j)
Kelajuan orbit (?) 31.7[notes 1] km/s
Kecondongan (i) 89.285 ± 0.023[2]°
Hujah
periastron
(?) 300.4977 ± 0.0045[2]°
Masa periastron (T0) 2,454,424.857 ± 0.05[1] JD
Masa transit (Tt) 2,454,876.344 ± 0.011[2] JD
Masa gerhana (Te) 2,454,424.736 ± 0.003[3] JD
Semiamplitud (K) 472 ± 5[1] m/s
Ciri fizikal
Jisim(m)4.0 ± 0.3[1] MJ
Jejari(r)0.921 ± 0.036[4] RJ
Ketumpatan(ρ)4440 ± 240[2] kg m-3
Graviti permukaan(g)9.6 g
Suhu (T) at periastron: 1500 K
Maklumat penemuan
Tarikh penemuan 4 April 2001
Penemu Mayor et al.
Kaedah pengesanan Halaju jejarian
Tempat penemuan Pencarian Planet Luar Suria Geneva
Status penemuan Published
Designasi lain
Struve 1341 B b, HIP 45982 b
Rujukan pangkalan data
Extrasolar Planets
Encyclopaedia
data
SIMBADdata

HD 80606 b adalah planet luar suria gergasi gas terletak kira-kira 190 tahun cahaya dalam buruj Ursa Major.

Rujukan[sunting | sunting sumber]

  1. ^ a b c d e Moutou, C.; dll. (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. Explicit use of et al. in: |author= (bantuan); |access-date= requires |url= (bantuan)
  2. ^ 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. |access-date= requires |url= (bantuan)CS1 maint: multiple names: authors list (link)
  3. ^ Laughlin, G.; dll. (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. Explicit use of et al. in: |author= (bantuan)
  4. ^ Hidas, M. G. et al. (2010). "An ingress and a complete transit of HD 80606 b". arXiv:1002.1052 [astro-ph.EP].

Pautan luar[sunting | sunting sumber]

Kategori berkenaan HD 80606 b di Wikimedia Commons

Koordinat: Peta langit 09h 22m 37.5679s, +50° 36′ 13.397″
Ralat petik: Tag <ref> untuk kumpulan "notes" ada tetapi tag <references group="notes"/> yang sepadan tidak disertakan