Beta Hydrae
Star
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Beta Hydrae, Latinized from β Hydrae, is a double star in the equatorial constellation of Hydra. Historically, Beta Hydrae was designated 28 Crateris, but the latter fell out of use when the IAU defined the permanent constellation boundaries in... Wikipedia
Temperature: 10,980±110 K
Magnitude: 4.28
Luminosity: 257+45; −38 L☉
Constellation: Hydra
Radius: 3.89±0.08 R☉
Absolute magnitude (MV): −0.59
Apparent magnitude (V): 4.29 (combined) (4.67 + 5.47)