HD 80606 b

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HD 80606 b
Planet luar surya Daftar planet luar surya
Exoplanet Comparison HD 80606 b.gif
Computer simulation of weather systems on HD 80606 b,
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-major (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] d
(0.30509 t)
Kecepatan orbit (υ) 31.7[notes 1] km/s
Inklinasi (i) 89.285 ± 0.023[2]°
Argument of
periastron
(ω) 300.4977 ± 0.0045[2]°
Time of periastron (T0) 2,454,424.857 ± 0.05[1] JD
Time of transit (Tt) 2,454,876.344 ± 0.011[2] JD
Time of eclipse (Te) 2,454,424.736 ± 0.003[3] JD
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 (atau Struve 1341 Bb) ialah sebuah planet luar surya.

Nota[sunting | sunting sumber]

  1. ^ From perimeter of the orbit divided by orbital period.

Referensi[sunting | sunting sumber]

  1. ^ 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. 
  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. 
  3. ^ 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. 
  4. ^ Hidas, M. G. et al. (2010). "An ingress and a complete transit of HD 80606 b". arΧiv:1002.1052 [astro-ph.EP].
HD80606b Orbit.gif

Pranala luar[sunting | sunting sumber]

Koordinat: Peta langit 09j 22m 37.5679d, +50° 36′ 13.397″Koordinat: Peta langit 09j 22m 37.5679d, +50° 36′ 13.397″