B-type star · blue-white star

40Tau Lib

367 lybrightness mag 3.66B2.5V

Also catalogued as HR 5812 · HD 139365 · HIP 76600

13,055 K

temperature

3.66

apparent magnitude

378× ☉

luminosity vs Sun

B2.5V

spectral type

Distance & comparison with our Sun

367 years

at light speed from Earth

2.26×

as hot as the Sun

378×

the Sun's light output

-1.59

absolute magnitude

Explore from here · roam the neighborhood

40Tau LibB-type

Sky regionLibrathis direction

StarHR 579029 ly

Star4Psi2Lup32 ly

StarHR 586038 ly

StarZubeneschamalistar

StarZubenelgenubistar

Nearest stars

HR 5790 →29 ly apart
4Psi2Lup →32 ly apart
HR 5860 →38 ly apart
HR 5974 →42 ly apart
42 Lib →42 ly apart
2 Lup →49 ly apart

Bright stars in Libra

Zubeneschamali →mag 2.6
Zubenelgenubi →mag 2.8
Brachium →mag 3.3
39Ups Lib →mag 3.6
Zubenelhakrabi →mag 3.9
46The Lib →mag 4.1
16 Lib →mag 4.5
24Iot1Lib →mag 4.5

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 3.7To see it no equipment neededLook toward Libra

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.