HD 41004 A

Spectral type: K1V/K2V
Age: 1.6 Gyr
Temperature: 5010 K (Average)
Surface gravity: 4.54 (log g)
Metallicity: [Fe/H] -0.09/+0.10
Galactic coordinates: 255.49 -28.20

Primary in a hierarchic quadruple system called the HD 41004 AB system. Has a planetary (HD 41004 A b) as well as a stellar (HD 41004 B) companion.

Characteristics

Spectral analysis reveals no clear Lithium detection for this star. Strong emission near the Ca II H line center suggests that the star is chromospherically active.