B-type star · blue-white star

HR 3490

HR 3490 is a blue-white star in the constellation Pyxis 1,254 ly from Earth. Its surface is about 12,048 K, about 2.1 times the Sun's surface temperature, and it shines at 378× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,254 years ago.

1,254 lybrightness mag 6.33B3V

Also catalogued as HD 75112 · HIP 43114

12,048 K
temperature
6.33
apparent magnitude
378× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
1,254 years
at light speed from Earth
2.09×
as hot as the Sun
378×
the Sun's light output
-1.59
absolute magnitude
Explore from here · roam the neighborhood
HR 3490B-type
Sky regionPyxisthis direction
StarHR 3534120 ly
StarHR 3399120 ly
StarHR 3514130 ly
StarAlpha Pyxstar
StarBeta Pyxstar
Nearest stars
Bright stars in Pyxis
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Pyxis

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.