Zeta1 Lyrae
A binary star in Lyra, visible to the naked eye.
Zeta1 Lyrae, also called Kautoki, is a binary star in the northern constellation Lyra. With an apparent visual magnitude of 4.37, it is visible without a telescope. Parallax measurements place the system roughly 158 light-years from Earth. The primary star is an Am star classified as kA5hF0mF2. This system is a single-lined spectroscopic binary, completing an orbit every 4.3 days.
Quick Facts
- Bayer designation
- ζ1 Lyrae
- Apparent visual magnitude
- 4.37
- Distance
- 158 light-years
- Parallax
- 20.66 mas
- Orbital period
- 4.3 days
- Orbital eccentricity
- 0.01
- Spectral type (primary)
- kA5hF0mF2
Facts from the source article.
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