HD 181433 b
From Infogalactic: the planetary knowledge core
Exoplanet | List of exoplanets | |
---|---|---|
Parent star | ||
Star | HD 181433 | |
Constellation | Pavo | |
Right ascension | (α) | 19h 25m 09.5663s[1] |
Declination | (δ) | −66° 28′ 07.671″[1] |
Apparent magnitude | (mV) | 8.38[1] |
Distance | 87 ± 3[2] ly (26.8 ± 0.8 pc) |
|
Spectral type | K5V[3] | |
Mass | (m) | 0.78[4] M☉ |
Temperature | (T) | 4962 ± 134[4] K |
Metallicity | [Fe/H] | 0.33 ± 0.13[4] |
Orbital elements | ||
Semi-major axis | (a) | 0.080[4] AU |
Periastron | (q) | 0.048 AU |
Apastron | (Q) | 0.111 AU |
Eccentricity | (e) | 0.396[4] |
Orbital period | (P) | 9.3743[4] d |
Orbital speed | (υ) | 93 km/s |
Argument of periastron |
(ω) | 202 ± 10[4]° |
Time of periastron | (T0) | 2454542 ± 0.26[4] JD |
Physical characteristics | ||
Minimum mass | (m sin i) | 0.0238[4] MJ (7.56 M⊕) |
Discovery information | ||
Discovery date | June 16, 2008[5] | |
Discoverer(s) | Bouchy et al.[6] | |
Discovery method | Doppler spectroscopy[5] | |
Discovery site | ![]() |
|
Discovery status | Announced[5] | |
Database references | ||
Extrasolar Planets Encyclopaedia |
data | |
SIMBAD | data | |
Exoplanet Archive | data | |
Open Exoplanet Catalogue | data |
HD 181433 b is an extrasolar planet located approximately 87 light years away[2] in the constellation of Pavo, orbiting the star HD 181433. This planet has mass at least 7.56 times that of Earth. This planet is classified as a super-Earth and orbits at 0.080 AU and varies only about 0.063 AU with an eccentricity of 0.396.[4] François Bouchy et al. have published a paper detailing the HD 181433 planetary system in Astronomy and Astrophysics.[6]
References
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External links
- Lua error in package.lua at line 80: module 'strict' not found.
Coordinates: 19h 25m 09.5663s, −66° 28′ 07.671″
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