A-type star · white star

HR 2304

HR 2304 is a white star in the constellation Gemini 491 ly from Earth. Its surface is about 9,882 K, about 1.7 times the Sun's surface temperature, and it shines at 75.09× the Sun's brightness. At magnitude 6.0 it is within reach of 50 mm binoculars; the light you see left it 491 years ago.

491 lybrightness mag 6.05A2Vn

Also catalogued as HD 44927 · HIP 30570

9,882 K
temperature
6.05
apparent magnitude
75.09× ☉
luminosity vs Sun
A2Vn
spectral type
Distance & comparison with our Sun
491 years
at light speed from Earth
1.71×
as hot as the Sun
75.09×
the Sun's light output
0.16
absolute magnitude
Explore from here · roam the neighborhood
HR 2304A-type
Sky regionGeminithis direction
Star16 Gem36 ly
Star8 Gem48 ly
Star36 Gem53 ly
StarPolluxstar
StarAlhenastar
Nearest stars
Bright stars in Gemini
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.0To see it 50 mm binocularsLook toward Gemini

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.