HD 145377 b
HD 145377 b is an extrasolar planet located approximately 180 light-years away This planet was discovered on October 26, 2008 by Moutou et al. using the HARPS spectrograph on ESO's 3.6 meter telescope installed at La Silla Observatory in Atacama desert, Chile.[1]
| Discovery | |
|---|---|
| Discovered by | Moutou et al.[1] |
| Discovery site | La Silla Observatory |
| Discovery date | October 26, 2008 |
| Doppler spectroscopy (HARPS) | |
| Orbital characteristics | |
| Apastron | 0.59 AU (88,000,000 km) |
| Periastron | 0.31 AU (46,000,000 km) |
Semi-major axis | 0.45 ± 0.004 AU (67,320,000 ± 600,000 km) |
| Eccentricity | 0.307 ± 0.017 |
| 103.95 ± 0.13 d 0.28459 ± 0.00036 y | |
Average orbital speed | 47.3 |
| 2,454,635.4 ± 0.6 | |
Argument of periastron | 138.1 ± 2.8 |
| Star | HD 145377 |
See also
References
- Moutou, C.; et al. (2009). "The HARPS search for southern extra-solar planets XVII. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, HD 153950". Astronomy and Astrophysics. 496 (2): 513–519. arXiv:0810.4662. Bibcode:2009A&A...496..513M. doi:10.1051/0004-6361:200810941. S2CID 116707055.
External links
- "HD 145377 b". Exoplanets. Archived from the original on 2012-03-04. Retrieved 2008-11-06.
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