HD 102195
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Virgo |
| Right ascension | 11h 45m 42s |
| Declination | +02° 49' 17" |
| Apparent magnitude (V) | 8.05 |
| Distance | 94 ly (29 pc) |
| Spectral type | K0V |
HD 102195 is an orange main sequence star in the constellation Virgo.
[edit] ET-1
| Orbital elements | ||
|---|---|---|
| Semi-major axis a: | 0.049 AU | |
| Eccentricity e: | 0.06 (± 0.03) | |
| Orbital period P: | 4.115 (± 0.001) d | |
| Inclination i: | ?° | |
| Angular distance θ: | 1.691 mas | |
| Longitude of periastron ω: |
109.9 (± 10)° | |
| Time of periastron τ: | 2453731.7 (± 0.5) JD | |
| Semi-amplitude K: | 63.4 (± 2.0) m/s | |
| Physical characteristics | ||
| Mass: | >0.488 MJ | |
| Radius: | ? RJ | |
| Density: | ? kg/m³ | |
| Gravity: | ? g | |
| Temperature: | ? K | |
| Discovery | ||
| Discovery date: | January 2006 | |
| Discovery site: | ||
| Detection method(s): | ||
| Discoverer(s): | Ge et al. | |
| Other catalogue | ||
ET-1 is an extrasolar planet orbiting HD 102195, discovered in January 2006. It is the first planet discovered by the Exoplanet Tracker project, using a dispersed fixed-delay interferometer. The planet is an example of a hot Jupiter, and is likely to be a gas giant based on its mass.
[edit] References
- Ge et al. (2006). "The First Extrasolar Planet Discovered with a New-Generation High-Throughput Doppler Instrument". The Astrophysical Journal 648 (1): 683 – 695. doi:.(web Preprint)
[edit] External links
- HD 102195 (The Extrasolar Planets Encyclopaedia)
- Exoplanet Tracker
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