Phi2 Pavonis
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- The correct title of this article is Phi2 Pavonis. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
Observation data Equinox J2000.0 |
|
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Constellation | Pavo |
Right ascension | 20h 40m 02.64s |
Declination | -60° 32' 40" |
Apparent magnitude (V) | +5.12 |
Distance | 82 ly (25 pc) |
Spectral type | F8V |
Other designations | |
HD 196378, HR 7875
|
Phi2 Pavonis (HD 196378) is a yellow dwarf star about 82 light-years away in the constellation Pavo.
As of 1998, a suspected extrasolar planet was announced.
Contents |
[edit] Planet
[edit] Phi2 Pavonis b
Orbital elements | ||
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Semi-major axis a: | 0.25 AU | |
Eccentricity e: | 0.429 | |
Orbital period P: | 42.5 d | |
Inclination i: | ?° | |
Longitude of periastron ω: |
?° | |
Time of periastron τ: | ? JD | |
Physical characteristics | ||
Mass: | 0.69 MJ | |
Radius: | 0.965 RJ | |
Density: | ? kg/m³ | |
Temperature: | 733 K | |
Discovery | ||
Discovery date: | 1989 (TBC) | |
Detection method(s): | Doppler Spectroscopy | |
Discoverer(s): | Kürster et al. |
Phi2 Pavonis b (HD 196378 b) is an extrasolar planet orbiting the star Phi2 Pavonis. This planet is not confirmed, but it might be a planet with a temperature similar to Mercury.