- Mu Arae e
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Mu Arae e Extrasolar planet List of extrasolar planets Parent star Star Mu Arae Constellation Ara Right ascension (α) 17h 44m 08.7s Declination (δ) −51° 50′ 03″ Apparent magnitude (mV) 5.15 Distance 50.6 ± 0.2 ly
(15.51 ± 0.07 pc)Spectral type G3IV–V Mass (m) 1.10 ± 0.01 M☉ Radius (r) 1.36 ± 0.01 R☉ Temperature (T) 5820 ± 40 K Metallicity [Fe/H] 0.30 ± 0.01 Age 6.34 ± 0.40 Gyr Orbital elements Semimajor axis (a) 5.235[1] AU
(783.1 Gm)Periastron (q) 4.719 AU
(705.9 Gm)Apastron (Q) 5.750 AU
(860.3 Gm)Eccentricity (e) 0.0985 ± 0.0627[1] Orbital period (P) 4205.8 ± 758.9[1] d
(11.51 y)Argument of
periastron(ω) 57.6 ± 43.7[1]° Time of periastron (T0) 2,450,541 ± 96[1] JD Semi-amplitude (K) 18.1 ± 1.1[1] m/s Physical characteristics Minimum mass (m sin i) 1.814[1] MJ
(576 M⊕)Discovery information Discovery date June 13, 2002 Discoverer(s) Butler, Marcy Detection method Radial velocity Discovery site California, USA Discovery status Published Other designations HD 160691 eDatabase references Extrasolar Planets
Encyclopaediadata SIMBAD data Mu Arae e (also known as HD 160691 e) is one of the four extrasolar planets orbiting the star Mu Arae. Its discovery was announced on June 13, 2002. Mu Arae e is a gas giant at least 1.8 times as massive as Jupiter. The planet orbits at Jupiter-like distance at 5.235 AU.
References
- ^ a b c d e f g Pepe, F.; Correia, A. C. M.; Mayor, M.; Tamuz, O.; Couetdic, J.; Benz, W.; Bertaux, J.-L.; Bouchy, F.; Laskar, J.; Lovis, C.; Naef, D.; Queloz, D.; Santos, N. C.; Sivan, J.-P.; Sosnowska, D.; Udry, S. (2007). "The HARPS search for southern extra-solar planets. VIII. μ Arae, a system with four planets". Astronomy and Astrophysics 462 (2): 769–776. arXiv:astro-ph/0608396. Bibcode 2007A&A...462..769P. doi:10.1051/0004-6361:20066194.
The Mu Arae System Stars Planets Coordinates: 17h 44m 08.7s, −51° 50′ 03″
Star systems within 40–50 light-years from Earth with brightest member's absolute magnitude of +8.5 or brighter. Alpha Ophiuchi «Rasalhague» (46.7 ± 0.6 ly; 1 star)Capella (42.2 ± 0.5 ly; 4 stars)Alpha Cephei «Alderamin» (48.8 ± 0.4 ly; 1 star)Iota Ursae Majoris «Talitha Borealis» (47.7 ± 0.6 ly; 4 stars)Beta Trianguli Australis (40.2 ± 0.3 ly; 2 stars)‡ • Theta Ursae Majoris «Alhaud» (44.0 ± 0.4 ly; 3 stars) • Delta Aquilae «Denebokab» (50.1 ± 0.6 ly; 3 stars)‡36 Ursae Majoris (41.9 ± 0.4 ly; 2 stars) • Upsilon Andromedae (43.9 ± 0.4 ly; 2 stars, 4 planets: planet b • planet c • planet d • planet e) • 10 Tauri (44.8 ± 0.5 ly; 2 stars) • Iota Piscium (45.0 ± 0.5 ly; 1 star) • Alpha Fornacis «Dalim» (46.0 ± 0.4 ly; 2 stars) • Theta Boötis «Asellus Primus» (47.5 ± 0.4 ly; 2 stars) • Psi Capricorni «Yue» (47.9 ± 0.6 ly; 1 star) • Alpha Corvi «Alchiba» (48.2 ± 0.5 ly; 1 star) • Eta Leporis (49.1 ± 0.5 ly; 1 star) • Nu Phoenicis (49.1 ± 0.5 ly; 1 star) • Sigma Boötis «Hemelein Secunda» (50.4 ± 0.6 ly; 2 stars)‡Beta Aquilae «Alshain» (44.7 ± 0.5 ly; 2 stars) • b (31) Aquilae (49.4 ± 0.6 ly; 3 stars)Rho¹ (55) Cancri (40.9 ± 0.4 ly; 2 stars, 5 planets: planet e • planet b • planet c • planet f • planet d) • HR 483 (41.2 ± 0.4 ly; 2 stars) • Lambda Aurigae «Al Hurr» (41.2 ± 0.5 ly; 2 stars) • HR 683 (41.4 ± 0.4 ly; 1 star) • i (44) Boötis (41.6 ± 0.3 ly; 3 stars) • HR 6094 (42.0 ± 0.5 ly; 2 stars, 1 planet: planet b) • HR 6998 (42.4 ± 0.5 ly; 1 star) • 58 Eridani (43.4 ± 0.5 ly; 1 star) • HR 8501 (44.4 ± 0.4 ly; 2 stars) • 18 Scorpii (45.7 ± 0.6 ly; 1 star) • 47 Ursae Majoris (45.9 ± 0.4 ly; 1 star, 3 planets: planet b • planet c • planet d) • 26 Draconis (45.9 ± 0.3 ly; 3 stars) • Pi¹ Ursae Majoris (46.6 ± 0.5 ly; 1 star) • 72 Herculis (46.9 ± 0.4 ly; 1 star) • Nu² Lupi (47.5 ± 0.5 ly; 1 star, 3 planets: planet b • planet c • planet d) • HR 7898 (47.8 ± 0.6 ly; 1 star) • Psi Serpentis (47.9 ± 0.6 ly; 2 stars) • HR 3862 (48.5 ± 0.5 ly; 1 star) • 20 Leonis Minoris «Cor» (48.6 ± 0.6 ly; 1 star) • HD 176051 (48.9 ± 0.4 ly; 2 stars, 1 planet: planet b) • Mu Arae (49.8 ± 0.6 ly; 1 star, 4 planets: planet d • planet e • planet b • planet c)‡ • 51 Pegasi (50.1 ± 0.6 ly; 1 star, 1 planet: planet b «Bellerophon»)‡ • HR 2007 (50.8 ± 0.9 ly; 1 star, 1 planet: planet b)‡HR 4587 (42.1 ± 0.4 ly; 1 star) • Gamma Cephei «Errai» (45.0 ± 0.3 ly; 2 stars, 1 planet: planet b) • Eta Cephei «Al Agemim» (46.8 ± 0.3 ly; 1 star)HR 3384 (39.7 ± 0.3 ly; 1 star)‡ • HR 1925 (39.9 ± 0.4 ly; 1 star)‡ • Gliese 435 (40.8 ± 0.5 ly; 1 star) • HR 3259 (41.0 ± 0.4 ly; 1 star, 3 planets: planet b • planet c • planet d) • Gliese 349 (41.4 ± 0.6 ly; 1 star) • HR 6518 (41.7 ± 0.3 ly; 1 star) • HD 40307 (41.8 ± 0.3 ly; 1 star, 3 planets: planet b • planet c • planet d) • Gliese 428 (42.0 ± 1.0 ly; 2 stars) • Gliese 707 (42.3 ± 0.7 ly; 1 star) • Gliese 204 (42.3 ± 0.5 ly; 1 star) • Gliese 167 (42.7 ± 0.3 ly; 1 star) • Gliese 425 (42.9 ± 1.0 ly; 2 stars) • Gliese 716 (43.1 ± 0.5 ly; 1 star) • Gliese 174 (44.0 ± 0.8 ly; 1 star) • Gliese 656 (44.6 ± 0.6 ly; 1 star) • Gliese 5 (44.7 ± 0.5 ly; 2 stars) • AB Doradus (48.7 ± 0.4 ly; 2 stars)In left column are stellar classes of primary members of star systems. ‡Distance error margin extends out of declared distance interval. Italic are systems possibly located within declared distance interval, but probably not. This extrasolar planet related article is a stub. You can help Wikipedia by expanding it.