2.81
Apparent Mag35
Distance (ly)F9IV
Spectral Type5,820
Temperature (K)Zeta Herculis is a nearby binary system in Hercules with a 34.5-year orbital period.
Stellar Data
Apparent Magnitude2.81
Absolute Magnitude2.64
Distance35 light-years
Spectral TypeF9IV
Temperature5,820 K
Luminosity6 L☉
Radius2.56 R☉
Mass1.45 M☉
Right Ascension16h 41m 17.2s
Declination+31° 36′ 09.8″
ConstellationHercules
Notable Facts
- Zeta Herculis is a binary with a 34.5-year period
- It is only 35 light-years away
- The primary is an F-type subgiant