HD 102195
From Wikipedia, the free encyclopedia
Observation data Epoch J2000.0 |
|
---|---|
Constellation | Virgo |
Right ascension | 11h 45m 42s |
Declination | +02° 49' 17" |
Apparent magnitude (V) | 8.05 |
Distance | 94 ly (29 pc) |
Spectral type | K0V |
Other designations | |
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) | ?° |
Longitude of periastron |
(ω) | 109.9 (± 10)° |
Time of periastron | (τ) | 2453731.7 (± 0.5) JD |
Physical characteristics | ||
Mass | 0.48 MJ | |
Radius | ? RJ | |
Density | ? kg/m³ | |
Temperature | ? K | |
Discovery | ||
Discovery date | January 2006 | |
Detection method(s) | ||
Discoverer(s) | Ge et al. |
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] External links
- HD 102195 (The Extrasolar Planets Encyclopaedia)
- Exoplanet Tracker