HD 79498

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

References

  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. 1 2 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: 09h 15m 09.40s, +23° 22′ 32.0″

This article is issued from Wikipedia - version of the Saturday, February 28, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.