B-type star · blue-white star

HD 131491

HD 131491 is a blue-white star in the constellation Circinus 1,832 ly from Earth. Its surface is about 10,868 K, about 1.9 times the Sun's surface temperature, and it shines at 764× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 1,832 years ago.

1,832 lybrightness mag 6.39B5V

Also catalogued as HIP 73118

10,868 K
temperature
6.39
apparent magnitude
764× ☉
luminosity vs Sun
B5V
spectral type
Distance & comparison with our Sun
1,832 years
at light speed from Earth
1.88×
as hot as the Sun
764×
the Sun's light output
-2.36
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Circinus

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.