Mu Arae b
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Extrasolar planet | Lists of extrasolar planets | |
---|---|---|
Parent star | ||
Star | Mu Arae | |
Constellation | Ara | |
Right ascension | (α) | 17h 44m 08.7s |
Declination | (δ) | −51° 50′ 03″ |
Spectral type | G3IV–V | |
Orbital elements | ||
Semimajor axis | (a) | 1.497 AU |
Eccentricity | (e) | 0.128 ± 0.017 |
Orbital period | (P) | 643.25 ± 0.90 d |
Inclination | (i) | ?° |
Longitude of periastron |
(ω) | 294 ± 9° |
Time of periastron | (τ) | 2452365.6 ± 12.6 JD |
Physical characteristics | ||
Mass | (m) | >1.676 MJ |
Radius | (r) | ? RJ |
Density | (ρ) | ? kg/m3 |
Temperature | (T) | ~240 K |
Discovery information | ||
Discovery date | 2000 | |
Discoverer(s) | Butler, Marcy | |
Detection method | Doppler Spectroscopy | |
Discovery status | Confirmed |
Mu Arae b is at least one and a half times the mass of Jupiter and orbits within the star's habitable zone. Its orbital period is 643.25 days. This planet's discovery was announced December 12, 2002.