B-type star · blue-white star

2 Sco

2 Sco is a blue-white star in the constellation Scorpius 503 ly from Earth. Its surface is about 11,138 K, about 1.9 times the Sun's surface temperature, and it shines at 302× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 503 years ago.

503 lybrightness mag 4.59B2.5Vn

Also catalogued as HR 5904 · HD 142114 · HIP 77840

11,138 K
temperature
4.59
apparent magnitude
302× ☉
luminosity vs Sun
B2.5Vn
spectral type
Distance & comparison with our Sun
503 years
at light speed from Earth
1.93×
as hot as the Sun
302×
the Sun's light output
-1.35
absolute magnitude
Explore from here · roam the neighborhood
2 ScoB-type
Sky regionScorpiusthis direction
Star1 Sco9.9 ly
Star3 Sco13 ly
StarHR 591022 ly
StarShaulastar
StarSargasstar
Nearest stars
Bright stars in Scorpius
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.6To see it no equipment neededLook toward Scorpius

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.