Lupus-TR-3b
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| Exoplanet | List of exoplanets | |
|---|---|---|
| 300px |
||
| Parent star | ||
| Star | Lupus-TR-3 | |
| Constellation | Lupus | |
| Right ascension | (α) | 15h 30m 18.67s |
| Declination | (δ) | −42° 58′ 41.5″ |
| Distance | 8950 ly (2744 pc) |
|
| Spectral type | K1V | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.0464 ± 0.0007 AU |
| Eccentricity | (e) | 0 |
| Orbital period | (P) | 3.91405 ± 4e-5 d |
| Inclination | (i) | 88.3+1.3-0.8° |
| Time of periastron | (T0) | 2453887.0818 JD |
| Semi-amplitude | (K) | 114 ± 25 m/s |
| Physical characteristics | ||
| Mass | (m) | 0.81 ± 0.18 MJ |
| Radius | (r) | 0.89 ± 0.07 RJ |
| Density | (ρ) | 1400 ± 400 kg m−3 |
| Discovery information | ||
| Discovery date | November 12, 2007 | |
| Discoverer(s) | Weldrake et al. | |
| Discovery method | Transit | |
| Discovery site | Siding Spring Observatory | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
Lupus-TR-3b is an extrasolar planet orbiting the star Lupus-TR-3 (a K-type main sequence star approximately 8,950 light-years away in the constellation Lupus). The planet was discovered in 2007 by personnel from the Harvard-Smithsonian Center for Astrophysics observing at the Siding Spring Observatory in Australia, by the transit method.
The planet has four-fifths the mass of Jupiter, nine-tenths the radius, and has density of 1.4 g/cm³. This planet is a typical “Hot Jupiter” as it orbits at 0.0464 AU distance from the star, taking 3.9 days to orbit. It is currently the faintest ground-based detection of a transiting planet.[1]
See also
References
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Coordinates: 
15h 30m 18.67s, −42° 58′ 41.5″
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