HD 136118

HD 136118
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Serpens
Right ascension 15h 18m 55.4719s
Declination –01° 35 32.590
Apparent magnitude (V) +6.94
Distance171 ly
(52.3 pc)
Spectral typeF9V
Other designations
BD-01° 3045, HIP 74948, SAO 140452
Database references
SIMBADdata

HD 136118 is a F-type main-sequence star located approximately 171 light-years away in the constellation of Serpens Cauda. It is an F-type dwarf and has apparent magnitude +6.94.

Brown dwarf companion

The astronomer Debra Fischer discovered a very massive planet, which was announced on February 7, 2002.[1] On November 25, 2009, the object turned out to be a brown dwarf.[2]

The HD 136118 planetary system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b 42+18
11
 MJ
1.45 ± 0.25 1209 ± 24 0.352 ± 0.006

See also

References

External links

Coordinates: 15h 18m 55.4719s, −01° 35′ 32.590″