HD 4308 b

HD 4308 b
Exoplanet List of exoplanets
Parent star
Star HD 4308
Constellation Tucana
Right ascension (α) 00h 44m 39.267s[1]
Declination (δ) –65° 38 58.28[1]
Distance71.9 ± 0.5[1] ly
(22.1 ± 0.2[1] pc)
Spectral type G5V
Orbital elements
Semi-major axis(a) 0.115 ± 0.096 AU
Periastron (q) 0.115 AU
Apastron (Q) 0.115 AU
Eccentricity (e) 0.00 ± 0.01
Orbital period(P) 15.56 ± 0.02 d
(0.04260 y)
Orbital speed (υ) 80.7 km/s
Argument of
periastron
(ω) 359±47°
Time of periastron (T0) 2,453,314.70
±2.0 JD
Semi-amplitude (K) 4.07 ± 0.2 m/s
Physical characteristics
Mass(m)>0.0442 MJ
(>14 M)
Discovery information
Discovery date 22 August 2005
Discoverer(s) Udry et al.
Discovery method Doppler Spectroscopy
Discovery site California, USA
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 4308 b is a low-mass exoplanet orbiting around HD 4308. It is believed to have almost no orbital eccentricity.[2]

See also

References

External links

Coordinates: 00h 44m 39.2677s, −65° 38′ 58.280″


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