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 (pronunciation) |
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
|
|
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: | 2.30 AU | |
| Eccentricity e: | 0.462 | |
| Orbital period P: | 1349 d | |
| Inclination i: | ?° | |
| Angular distance θ: | 70 mas | |
| Longitude of periastron ω: |
91.4° | |
| Time of periastron τ: | 2451236 JD | |
| Semi-amplitude K: | 39.5 m/s | |
| Physical characteristics | ||
| Mass: | >2.96 MJ | |
| Radius: | ? RJ | |
| Density: | ? kg/m³ | |
| Gravity: | ? g | |
| Temperature: | 300° K | |
| Discovery | ||
| Discovery date: | 2005 | |
| Discovery site: | ||
| Detection method(s): | ||
| Discoverer(s): | Marcy et al. | |
| Other catalogue | ||
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 (pronunciation) |
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 |
Not much is known about HD 196885 B.
[edit] External links
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