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Rho Coronae Borealis

The yellow star has a planet similar to Jupiter with 1.5 times its mass. This orbits its star in a distance of 0.22 AU every 39.8 days. There is some evidence for a much bigger companion further outside.

A dust disk strechtes up to a distance of 85 AU from the star.

Constellation: Corona Borealis
Age: 6 billion years
Distance: 56.8 light-years
Spectral class: G0
Visual magnitude: 5.42
Luminosity: 1.80 * Sun
Mass: 0.95 * Sun
Diameter: 1.35 * Sun
Radial velocity: 18.4 km/sec

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    Rho Coronae Borealis
Photo: ESO Online Digitized Sky Survey

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