HD 168443

HD 168443
Observation data
Epoch J2000      Equinox J2000
Constellation Serpens
Right ascension 18h 20m 03.9316s
Declination –09° 35′ 44.601″
Apparent magnitude (V) 6.92
Distance 123.5 ly
(37.88 pc)
Spectral type G5IV
Other designations
BD-09°4692, GJ 4052,
HIP 89844, LTT 7289, SAO 142228
Database references
SIMBAD data
ARICNS data

HD 168443 is a yellow dwarf star of (spectral type G5) about the mass of our Sun. It is in the constellation of Serpens Cauda, 123 light years from our solar system. It is known to be orbited by one large planet and a brown dwarf. The brown dwarf takes 30 times longer to orbit the star than the gas giant planet.[1][2]

The HD 168443 system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
b >7.2 ± 0.4 MJ 0.29 58.116 ± 0.001 0.529 ± 0.02
c 34 ± 12 MJ 2.87 1739.5 ± 3.8 0.228 ± 0.005

See also

References

External links