DP Leonis b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | DP Leonis | |
| Constellation | Leo | |
| Right ascension | (α) | 11h 17m 16s |
| Declination | (δ) | +17° 57′ 41″ |
| Apparent magnitude | (mV) | 17.5 |
| Distance | 1304 ly (400 pc) | |
| Spectral type | DA / M5V? | |
| Orbital elements | ||
| Semi-major axis | (a) | 8.6 AU (1290 Gm) |
| 21.5 mas | ||
| Orbital period | (P) | 8693 d (23.8 y) |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 6.28 (± 0.58) MJ |
| Discovery information | ||
| Discovery date | 2009-12-16 | |
| Discoverer(s) | Qian et al. | |
| Discovery method | Timing | |
| Discovery status | Preprint[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
DP Leonis b is an extrasolar planet, orbiting the 17th magnitude star DP Leonis, constellation Leo. This 6.28 MJ planet orbits two stars, composing of white dwarf and red dwarf at a separation of about 8.6 AU with unknown eccentricity.[1]
References
- 1 2 Qian, S.B. (2009). "DETECTION OF A GIANT EXTRASOLAR PLANET ORBITING THE ECLIPSING POLAR DP LEO". The Astrophysical Journal. 708 (1): L66–L68. Bibcode:2010ApJ...708L..66Q. doi:10.1088/2041-8205/708/1/L66.
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