B3 Hydrae

b³ Hydrae is a star in the constellation Hydra at a distance of approximately 98 light-years from the Sun. It has three optical companions, which are background stars located much farther away.

Description

b³ Hydrae is a yellow-white main sequence star with the spectral type of F5V. The apparent magnitude of the star is +5.232. It has about, its radius is about and the luminosity is about. The age of the star is determined to be about 1.647 billion years. The effective temperature is about.

Optical companions

BD−19 3124

The secondary is a yellow main sequence star of spectral type G5. The apparent magnitude of the star is +9.6. The mass is about, the radius is about, the luminosity is about. The effective temperature is about. It is 119.6 arcseconds away from b³ Hydrae and about away from the Solar System.

UCAC2 23866861

The third component is a yellow dwarf of spectral type G. The apparent magnitude of the star is +11.6. The mass is about, the radius is about, the luminosity is about. The effective temperature is about. It is separated from BD−19 3124 by 13.7 arc seconds and is about away from the Solar System.

UCAC2 23866855

The fourth component is a yellow-white star of spectral type F. The apparent magnitude of the star is +13.5. The effective temperature is about. It is located 40.5 arc seconds away from BD−19 3124 and is about away from the Solar System.