Iota Pavonis
Binary star with a solar-type primary and low-mass companion.
Iota Pavonis is a binary star in the southern constellation Pavo, faintly visible to the naked eye from the southern hemisphere at magnitude 5.47. It lies about 17.79 parsecs from the Sun and consists of a solar-type primary star with a low-mass stellar companion detected through radial velocity and astrometry.
Quick Facts
- Bayer designation
- ι Pavonis (Iota Pavonis)
- Apparent visual magnitude
- 5.47
- Distance from sun
- 17.79 pc
- Stellar classification of primary
- G0 V
- Age of primary
- about 7 billion years
- Mass of companion
- around 0.13 solar masses
Facts from the source article.
Did You Know?
- Iota Pavonis is also known by its Henry Draper Catalogue designation HD 165499.
- The Washington Double Star Catalog does not list Iota Pavonis.
Properties
The primary star is a G-type main sequence star with classification G0 V, similar to the Sun but slightly hotter, more luminous, and larger, with a slightly lower metallicity. At roughly 7 billion years old, it is significantly older than the Sun. Radial velocity and astrometric measurements indicate the low-mass stellar companion has a mass of about 0.13 solar masses and follows a moderately eccentric orbit.
More in Bright Stars by Bayer Designation: Binary and Multiple Stars
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