B-type star · blue-white star

HR 4490

HR 4490 is a blue-white star in the constellation Crater 557 ly from Earth. Its surface is about 10,213 K, about 1.8 times the Sun's surface temperature, and it shines at 83.25× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 557 years ago.

557 lybrightness mag 6.21A0V

Also catalogued as HD 101369 · HIP 56901

10,213 K
temperature
6.21
apparent magnitude
83.25× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
557 years
at light speed from Earth
1.77×
as hot as the Sun
83.25×
the Sun's light output
0.05
absolute magnitude
Explore from here · roam the neighborhood
HR 4490B-type
Sky regionCraterthis direction
StarHR 453935 ly
StarHR 430886 ly
StarHR 458889 ly
StarDelta Crtstar
StarGamma Crtstar
Nearest stars
Bright stars in Crater
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Crater

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.