HD 136418 b
Exoplanet | List of exoplanets | |
---|---|---|
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 | ||
Semi-major 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". Publications of the Astronomical Society of the Pacific 122 (892): 701–711. arXiv:1003.3445 [astro-ph.EP]. Bibcode:2010PASP..122..701J. doi:10.1086/653809.
- ↑ 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″
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