B-type star · blue-white star

HR 2757

HR 2757 is a blue-white star in the constellation Gemini 591 ly from Earth. Its surface is about 10,435 K, about 1.8 times the Sun's surface temperature, and it shines at 95.50× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 591 years ago.

591 lybrightness mag 6.19A0Vn

Also catalogued as HD 56386 · HIP 35345

10,435 K
temperature
6.19
apparent magnitude
95.50× ☉
luminosity vs Sun
A0Vn
spectral type
Distance & comparison with our Sun
591 years
at light speed from Earth
1.81×
as hot as the Sun
95.50×
the Sun's light output
-0.10
absolute magnitude
Explore from here · roam the neighborhood
HR 2757B-type
Sky regionGeminithis direction
StarHR 267350 ly
StarHR 266577 ly
StarHR 279292 ly
StarPolluxstar
StarAlhenastar
Nearest stars
Bright stars in Gemini
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To 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.