HD 79498

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HD 79498
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cancer
Right ascension 09h 15m 09s
Declination +23° 22′ 32″
Apparent magnitude (V) 8.03
Characteristics
Spectral type G5
Astrometry
Details
Other designations
Database references

HD 79498 is a star located approximately 160 light years away in the constellation Cancer.[1] This G5 spectral class star has an apparent magnitude of 8.03 and is about the same size and mass as the Sun. It has a higher than solar abundance of elements other than hydrogen and helium; what astronomers term a metal-rich star.[2] The McDonald Observatory planet search program discovered its planet using small changes in the star's motion.[3]

The HD 79498 planetary system[3]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b ≥1.34 ± 0.07 MJ 3.13 ± 0.08 1966 ± 41 0.59 ± 0.02

See also[edit]

References[edit]

  1. ^ "HD 79498", SIMBAD Astronomical Database (Centre de données astronomiques de Strasbourg), retrieved 15 August 2012. 
  2. ^ Schneider, Jean, "Planet HD 79498 b", The Extrasolar Planet Encyclopedia (Paris Observatory), retrieved 2012-08-22 
  3. ^ a b Robertson, Paul et al. (April 2012), "The McDonald Observatory Planet Search: New Long-period Giant Planets and Two Interacting Jupiters in the HD 155358 System", The Astrophysical Journal 749 (1): 39, arXiv:1202.0265, Bibcode:2012ApJ...749...39R, doi:10.1088/0004-637X/749/1/39. 

Coordinates: Sky map 09h 15m 09.40s, +23° 22′ 32.0″