HD 196885
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HD 196885 is a 6th magnitude star in the constellation Delphinus. This star is a binary. In 2005, a planet was discovered.
Contents |
[edit] HD 196885 A
Observation data Epoch 2000 |
|
---|---|
Constellation | Delphinus |
Right ascension | 20h 39m 51s |
Declination | +11° 14' 58" |
Apparent magnitude (V) | 6.39 |
Distance | 107.63 ly (35.87 pc) |
Spectral type | F8IV |
Other designations | |
HR 7907, SAO 106360, BD +10 4351, WDS 20399+1115
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HD 196885 A is an F6IV star. It has a mass of 1.27 MS & a radius of 1.41 RS.
[edit] Planet of HD 196885 A
[edit] HD 196885 A b
Orbital elements | ||
---|---|---|
Semi-major axis | (a) | 1.12 AU |
Eccentricity | (e) | 0.3 |
Orbital period | (P) | 386 d |
Inclination | (i) | n/a° |
Longitude of periastron |
(ω) | n/a° |
Time of periastron | (τ) | n/a JD |
Physical characteristics | ||
Mass | 1.84 MJ | |
Radius | ? RJ | |
Density | ? kg/m³ | |
Temperature | 300° K | |
Discovery | ||
Discovery date | 2005 | |
Detection method(s) | ||
Discoverer(s) | Marcy et al. |
HD 196885 A b (HD 196885 b) is a jovian planet orbiting in the inner part of its star's habitable zone.
[edit] HD 196885 B
Observation data Epoch 2000 |
|
---|---|
Constellation | Delphinus |
Right ascension | 20h 39m 51s |
Declination | +11° 14' 58" |
Apparent magnitude (V) | n/a |
Distance | 107.63 ly (35.87 pc) |
Spectral type | n/a |
Other designations | |
Not much is known about HD 196885 B.