B-type star · blue-white star

HR 2755

HR 2755 is a blue-white star in the constellation Canis Major 828 ly from Earth. Its surface is about 10,355 K, about 1.8 times the Sun's surface temperature, and it shines at 163× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 828 years ago.

828 lybrightness mag 6.34A0V

Also catalogued as HD 56341 · HIP 35132

10,355 K
temperature
6.34
apparent magnitude
163× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
828 years
at light speed from Earth
1.79×
as hot as the Sun
163×
the Sun's light output
-0.68
absolute magnitude
Explore from here · roam the neighborhood
HR 2755B-type
Sky regionCanis Majorthis direction
StarHR 273033 ly
Star26 CMa36 ly
StarHR 261672 ly
StarAdharastar
StarWezenstar
Nearest stars
Bright stars in Canis Major
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Canis Major

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.