Extrasolar planet | List of extrasolar planets | |
---|---|---|
Parent star | ||
Star | HD 73534 | |
Constellation | Cancer | |
Right ascension | (α) | 08h 39m 15.8035s |
Declination | (δ) | +12° 57′ 37.351″ |
Apparent magnitude | (mV) | 8.24 |
Distance | 316.34 ly (96.99 pc) | |
Spectral type | G5IV | |
Orbital elements | ||
Semimajor axis | (a) | 3.15 AU |
Periastron | (q) | 3.01 AU |
Apastron | (Q) | 3.29 AU |
Eccentricity | (e) | 0.046 ± 0.08 |
Orbital period | (P) | 1800 ± 110 d (4.9 ± 0.3 y) |
Argument of periastron |
(ω) | 59 ± 92° |
Time of periastron | (T0) | 2453120 ± 830 JD |
Physical characteristics | ||
Minimum mass | (m sin i) | 1.15 MJ |
Discovery information | ||
Discovery date | August 12, 2009 | |
Discoverer(s) | Valenti et al.[1] | |
Discovery method | Radial velocity | |
Discovery site | Keck Observatory | |
Discovery status | Published[1] | |
Other designations | ||
HIP 42446 b
| ||
Database references | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data |
HD 73534 b is an extrasolar planet which orbits the G-type subgiant star HD 73534, located approximately 316 light years away in the constellation Cancer. It is at least 15% more massive than Jupiter and orbits at an average distance of 3.15 AU and takes 4.9 years to complete the orbit in a nearly circular path with an eccentricity similar to Jupiter.[1] This planet was detected by radial velocity method on August 12, 2009.
References[]
- ↑ 1.0 1.1 1.2 (2009). Two Exoplanets Discovered at Keck Observatory. The Astrophysical Journal 702 (2): 989–997.
Coordinates: Sky map 08h 39m 15.8035s, +12° 57′ 37.351″
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