HD 145377 b
Extrasolar planet 180 light years away
From Wikipedia, the free encyclopedia
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]
DiscoveredbyMoutou et al.[1]
DiscoverydateOctober 26, 2008
| 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) |
| 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 | |
| 138.1 ± 2.8 | |
| Star | HD 145377 |
