HD 162020
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 17h 50m 38.3575s |
| Declination | −40° 19′ 06.0562″ |
| Apparent magnitude (V) | +9.18 |
| Absolute magnitude (V) | +6.71 |
| Distance | 102.0 ly (31.26 pc) |
| Spectral type | K2V: |
| Other designations | |
HD 162020 is an orange dwarf star in Scorpius constellation with a brown dwarf companion.
HD 162020 b
Template:Planetbox begin Template:Planetbox orbit Template:Planetbox character Template:Planetbox discovery Template:Planetbox end HD 162020 b is a brown dwarf with mass 15.0 MJ. The mass is minimum since inclination is not known. This planetar orbits very close to the star at a distance of 0.075 AU. Despite of this, it has an eccentric orbit of 27.7%. The distance from the star ranges from 0.054 to 0.096 AU. It has an extremely high semi-amplitude of 1.813 km/s. The discovery was announced on April 15, 2000 by the Geneva Extrasolar Planet Search Team.[1]
References
- ^ "Exoplanets Galore!" (Press release). Garching, Germany: European Southern Observatory. April 15, 2000. Retrieved December 30, 2012.
- Udry; Mayor, M.; Naef, D.; Pepe, F.; Queloz, D.; Santos, N. C.; Burnet, M. (2002). "The CORALIE survey for southern extra-solar planets VIII. The very low-mass companions of HD 141937, HD 162020, HD 168443, HD 202206: Brown dwarfs or "superplanets"?". Astronomy and Astrophysics. 390 (1): 267–279. arXiv:astro-ph/0202458. Bibcode:2002A&A...390..267U. doi:10.1051/0004-6361:20020685.
External links
- "Notes for star HD 162020". The Extrasolar Planets Encyclopaedia. Retrieved December 21, 2007.
- "Notes for planet HD 162020 b". The Extrasolar Planets Encyclopaedia. Retrieved December 21, 2007.
- "HD 162020 -- Star". SIMBAD. Retrieved December 21, 2007.
- "HD 162020 b -- Extra-solar Planet Candidate". SIMBAD. Retrieved December 21, 2007.
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