B-type star · blue-white star

HR 1258

HR 1258 is a blue-white star in the constellation Eridanus 994 ly from Earth. Its surface is about 13,077 K, about 2.3 times the Sun's surface temperature, and it shines at 209× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 994 years ago.

994 lybrightness mag 6.47B3V

Also catalogued as HD 25631 · HIP 18926

13,077 K
temperature
6.47
apparent magnitude
209× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
994 years
at light speed from Earth
2.27×
as hot as the Sun
209×
the Sun's light output
-0.95
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Eridanus

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.