The primary star, HD 7449 A, is a main-sequence star belonging to the spectral class F9.5. It is younger than the Sun. The primary star is slightly depleted of heavy elements, having 80% of solar abundance. [6] The stellar companion HD 7449 B, belonging to spectral class M4.5, was discovered in 2015. [8] .

2024年10月24日 · HD 7449 b is a gas giant exoplanet that orbits a F-type star. Its mass is 8.174 Jupiters, it takes 3.5 years to complete one orbit of its star, and is 2.438 AU from its star. Its discovery was announced in 2011.

2024年10月10日 · HD 7449 A b is a Confirmed extrasolar planet (exoplanet) that orbits the star HD 7449 in the constellation of Cetus

HD 7449 b was found with the European High Accuracy Radial velocity Planet Searcher (HARPS) which can reach sub-meter-per-second precision. The host star shows signs of short-term activity due to magnetic features on the stellar surface.

HD 7449 A b is an exoplanet orbiting the star HD 7449 A, located about 120.2 light-years (36.8 pc) away from Solar System. Its discovery was publicly announced on 2011. The host star HD 7449 A has apparent magnitude of 7.5, with absolute magnitude of 4.7.

Exoplanet HD 7449 A b orbits star HD 7449 A that lies 126 light years away from the Sun. It weighs about 161.5 Earth masses and orbits its star further than Earth orbits Sun.

Detailed information about planet HD 7449 Ac and its parameters. Feng et al. (2022): New orbital solution does not detect the outer brown dwarf but the low-mass stellar companion only. See also Planets in Binaries webpage. Truly eccentric. I. Revisiting eight single-eccentric planetary systems. MagAO Imaging of Long-period Objects (MILO). I.

2022年11月17日 · Orbiting within Alhersao's orbit, Jarnhi-re is an inferior planet and never appears to venture far from HD 7449 A; its maximum angular distance from HD 7449 A (elongation) is 24 degrees. It is named after the deity Jarnhi-re, the demon of dreams.

2015年12月14日 · We use a new Markov chain Monte Carlo procedure to constrain both the mass ( \msun ~at 99 confidence) and semimajor axis (\about 18 AU) of the M dwarf companion (HD 7449B). We also refine the parameters of the known massive planet (HD 7449Ab), finding that its minimum mass is \mj, its semimajor axis is AU, and its eccentricity is .

HD 7449 A b は、太陽系から 120.2 光年 ( パーセク)離れた恒星HD 7449 A を周回する系外惑星で 2011 年に公開されました. 恒星 HD 7449 A は視等級 7.5, 絶対等級 4.7 です. この恒星は太陽の 1.1 倍の質量で、 半径は太陽の1.0 倍であり 表面温度は 6024 で、スペクトル型は F8Vです。 この恒星の惑星系で HD 7449 A b は、恒星 HD 7449 A のまわりを 公転周期1255.5 日で、 軌道長半径 2.38 天文単位 ( 356042932.3 km)で公転しています。 主星 HD 7449 A のハビタブル …