Your IP: 38.107.179.231 United States Near: United States

Lookup IP Information

1 2 3 4 5 6 7 8 Next

Below is the list of all allocated IP address in 47.17.0.0 - 47.17.255.255 network range, sorted by latency.

HD 131664 Observation data Epoch J2000.0      Equinox J2000.0 Constellation Apus Right ascension 15h 00m 06.0762s Declination –73° 32′ 07.213″ Apparent magnitude (V) 8.13 Distance 180.8 ± 7.5 ly (55.43 ± 2.3 pc) Spectral type G3V Other designations CD–73° 1031, HIP 73408 Database references SIMBAD data NStED data Extrasolar Planets Encyclopaedia data HD 131664 is an 8th magnitude G-type main sequence star located approximately 181 light-years away in the constellation of Apus. On October 26, 2008, a brown dwarf was discovered along with five other planets (BD-17°63 b, HD 145377 b, HD 153950 b, HD 73267 b, and HD 20868 b). This brown dwarf has mass of at least 18.15 times that of Jupiter and orbits in a long-period, eccentric orbit.[1] The HD 131664 system[1] Companion (in order from star) Mass Semimajor axis (AU) Orbital period (days) Eccentricity b ≥18.15 ± 0.35 MJ 3.17 ± 0.03 1951 ± 41 0.638 ± 0.02 See also HD 143361 b HD 43848 HD 48265 b List of brown dwarfs References ^ a b Moutou et al.; Mayor, M.; Lo Curto, G.; Udry, S.; Bouchy, F.; Benz, W.; Lovis, C.; Naef, D. 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" (abstract). Astronomy and Astrophysics 496 (2): 513–519. Bibcode 2009A&A...496..513M. doi:10.1051/0004-6361:200810941. http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361:200810941. (web Preprint) This main sequence star-related article is a stub. You can help Wikipedia by expanding it.v · d · e