| 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. | |
| Detection method | Radial velocity | |
| Discovery site | Keck Observatory | |
| Discovery status | Published | |
| 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. This planet was detected by radial velocity method on August 12, 2009.