HD 178911 Bb
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 178911 B | |
| Constellation | Lyra | |
| Right ascension | (α) | 19h 09m 04.3838s |
| Declination | (δ) | +34° 36′ 01.625″ |
| Distance | 160 ly (49.0 pc) |
|
| Spectral type | G1V | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.345 AU |
| Periastron | (q) | 0.297 AU |
| Apastron | (Q) | 0.393 AU |
| Eccentricity | (e) | 0.139 ± 0.14 |
| Orbital period | (P) | 71.511 ± 0.011 d (0.19578 y) |
| Orbital speed | (υ) | 52.7 km/s |
| Argument of periastron |
(ω) | 172.3 ± 5° |
| Time of periastron | (T0) | 2,451,378.23 ± 83 JD |
| Semi-amplitude | (K) | 346.9 ± 4.2 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 7.35 MJ (2340 M⊕) |
| Discovery information | ||
| Discovery date | April 4, 2001[1] | |
| Discoverer(s) | Zucker et al.[2] | |
| Discovery method | Radial velocity (Echelle) | |
| Discovery status | Published[2] | |
| Other designations | ||
|
HIP 94076 b
|
||
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 178911 Bb is a planet discovered in 2001[1] by Zucker who used the radial velocity method. The minimum mass of this giant planet is 7.35 times that of Jupiter that orbits close to the star. The period of the planet is 71.5 days and the semi-amplitude is 346.9 m/s.
References
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Coordinates: 
19h 09m 04.3838s, +34° 36′ 01.625″
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