HD 73526 is a yellow dwarf star (G6V) about 323 light-years away in the constellation Vela.

Star

The star is cooler, more luminous, similar mass, and larger than our Sun. This star is 22% older than our Sun and with metallicity nearly doubled with the Sun, based on its abundance of iron.

Planetary system

In 2002, a 2.1 M_J planet HD 73526 b was discovered orbiting just within the orbit of Venus. This planet receives insolation 3.65 times that of Earth or 1.89 times that of Venus. This single planetary system was known for four years until 2006 when 2.3 M_J second planet HD 73526 c was found. This planet forms 2:1 orbital resonance with the planet b. Although those masses are minimal as inclinations of these planets are not known.

See also

• List of stars with confirmed extrasolar planets
• Gliese 876

References

• Tinney et al. (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal 587 (1): 423-428. doi:10.1086/368068, http://www.journals.uchicago.edu/doi/full/10.1086/368068. 
• Tinney et al. (2006). "The 2 : 1 Resonant Exoplanetary System Orbiting HD 73526". The Astrophysical Journal 647 (1): 594-599. doi:10.1086/503706, http://www.journals.uchicago.edu/doi/full/10.1086/503706. 

External links

• "HD 73526". Extrasolar Visions.
• "HD 73526". The Extrasolar Planets Encyclopaedia.
• Extrasolar Planet Interactions by Rory Barnes & Richard Greenberg, Lunar and Planetary Lab, University of Arizona