HD 156279

HD 156279 is a type K0 star, located 36.5 pc away from Earth (119.1 light years). It has various alternate names, including HIP 84171 and BD+63 1335. HD 156279 has two exoplanets in orbit, HD 156279 b and HD 156279 c.

HD 156279
Observation data
Epoch       Equinox
Constellation Draco
Right ascension  17h 12m 23.2036s[1]
Declination +63° 21′ 07.532″[1]
Apparent magnitude (V) 8.08
Characteristics
Evolutionary stage K0
Astrometry
Radial velocity (Rv)-20.6432 km/s
Proper motion (μ) RA:  mas/yr
Dec.: 160.2 mas/yr
Parallax (π)27.60 ± 0.03 mas
Distance118.2 ± 0.1 ly
(36.23 ± 0.04 pc)
Details
Mass0.93[1] M☉
Radius0.95[2] R☉
Temperature5453[2] luminosity = 0.81[3] K
Age4000[1] Myr
Other designations
BD+63° 1335, HIP 84171, SAO 17390, TYC 4202-656-1[2]
Database references
SIMBADdata

Characteristics

HD 156279 has a stellar mass of 0.93 and a stellar radius of 0.95. It has a metallicity of 0.14 and an effective temperature of 5453 Kelvin. HD 156279 is 4 billion years old and based on the spectral type, K0, it is an orange to red colour.[4][2] HD 156279 has an apparent magnitude of 8.08 and an absolute magnitude of 5.27.[5][6]

Planets

Orbiting HD 156279 are two planets, HD 156279 b and HD 156279 c. HD 156279 b has a mass of 9.7MJ, an estimated radius of 1.11RJ, and orbits from a distance of 0.49 AU. Meanwhile, HD 156279 c has a mass of 8.6MJ, a radius of 0.9RJ and orbits from a distance of 4.97AU.

gollark: They are all me, yes.
gollark: ... Macron?
gollark: osmarkscalculator™.
gollark: How would *you* do it?
gollark: Well, except the Python ones; everyone knows Python can't `write` and you have to construct an ELF binary to call out to to do that instead.

References
  1. openexoplanetcatalogue.com
  2. NASA archive
  3. universeguide.com
  4. The Extrasolar Planet Encyclopedia
  5. arXiv:1111.1168
  6. exoplanetkyoto.org
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.