B3 Hydrae
A yellow-white main sequence star with three optical companions.
b3 Hydrae (6 Crateris) is a star in the constellation Hydra, located approximately 98 light-years (about 30 parsecs) from the Sun. It has three optical companions, which are background stars situated much farther away.
Quick Facts
- Spectral type
- F5V
- Apparent magnitude
- +5.232
- Distance
- approximately 98 light-years (about 30 parsecs)
- Age
- about 1.647 billion years
Facts from the source article.
Did You Know?
- b3 Hydrae is also designated WDS J10535-2008A.
- The effective temperature of b3 Hydrae is about .
- The star's mass, radius, and luminosity are not specified in the available data.
Optical companions
The secondary, BD−19 3124, is a yellow main sequence star of spectral type G5 with an apparent magnitude of +9.6. It lies 119.6 arcseconds from b3 Hydrae and is about 774 light-years away. The third component, UCAC2 23866861, is a yellow dwarf of spectral type G with an apparent magnitude of +11.6, separated from BD−19 3124 by 13.7 arcseconds and about 850 light-years distant. The fourth component, UCAC2 23866855, is a yellow-white star of spectral type F with an apparent magnitude of +13.5, located 40.5 arcseconds from BD−19 3124 and about 3820 light-years away.
More in Stars of Hydra
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