HD 136418 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 136418 | |
| Constellation | Boötes | |
| Right ascension | (α) | 15h 19m 07s |
| Declination | (δ) | +41° 43′ 60″ |
| Apparent magnitude | (mV) | 7.88 |
| Distance | 320.3 ± 18 ly (98.2 ± 5.6 pc) | |
| Spectral type | G5 | |
| Mass | (m) | 1.33 ± 0.09 M☉ |
| Radius | (r) | 3.4 ± 0.1 R☉ |
| Temperature | (T) | 5071 ± 44 K |
| Metallicity | [Fe/H] | -0.07 ± 0.03 |
| Age | 4 ± 1 Gyr | |
| Orbital elements | ||
| Semimajor axis | (a) | 1.32 ± 0.3 AU |
| Eccentricity | (e) | 0.255 ± 0.041 |
| Orbital period | (P) | 464.3 ± 3.2 d |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 2 ± 0.1 MJ |
| Discovery information | ||
| Discovery date | 2010-03-17 | |
| Discoverer(s) | Howard et al. | |
| Discovery method | Doppler spectroscopy | |
| Discovery status | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 136418 b is an extrasolar planet orbiting the G-type star HD 136418 approximately 320 light years away in the constellation Boötes[1] It has a notable orbit, staying within the known Habitable zone. It also has a star very similar in temperature as the sun.[2]
See also
References
- ↑ Johnson, John Asher et al. (2010). "Retired A Stars and Their Companions IV. Seven Jovian Exoplanets from Keck Observatory". v1. arXiv:1003.3445 [astro-ph.EP]. Unsupported parameter(s) in cite arXiv (help)
- ↑ http://planetquest.jpl.nasa.gov/atlas/atlas_profile.cfm?Star=542
External links
- "HD 136418 b". The Extrasolar Planets Encyclopaedia.
Coordinates: 
15h 19m 07s, +41° 43′ 60″