B-type star · blue-white star

HR 3504

HR 3504 is a blue-white star in the constellation Cancer 943 ly from Earth. Its surface is about 10,014 K, about 1.7 times the Sun's surface temperature, and it shines at 199× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 943 years ago.

943 lybrightness mag 6.41A2Vs

Also catalogued as HD 75469 · HIP 43427

10,014 K
temperature
6.41
apparent magnitude
199× ☉
luminosity vs Sun
A2Vs
spectral type
Distance & comparison with our Sun
943 years
at light speed from Earth
1.73×
as hot as the Sun
199×
the Sun's light output
-0.90
absolute magnitude
Explore from here · roam the neighborhood
HR 3504B-type
Sky regionCancerthis direction
Star45 Cnc110 ly
Star27 Cnc140 ly
Star53 Cnc160 ly
StarTarfstar
StarAsellus Australisstar
Nearest stars
Bright stars in Cancer
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Cancer

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.