A-type star · white star

HR 2720

HR 2720 is a white star in the constellation Canis Major 155 ly from Earth. Its surface is about 7,638 K, about 1.3 times the Sun's surface temperature, and it shines at 7.15× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 155 years ago.

155 lybrightness mag 6.10A8III/IV

Also catalogued as HD 55568 · HIP 34782

7,638 K

temperature

6.10

apparent magnitude

7.15× ☉

luminosity vs Sun

A8III/IV

spectral type

Distance & comparison with our Sun

155 years

at light speed from Earth

1.32×

as hot as the Sun

7.15×

the Sun's light output

2.71

absolute magnitude

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HR 2720A-type

Sky regionCanis Majorthis direction

Nearest stars

Bright stars in Canis Major

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BINOCULARS NEEDED

Brightness mag 6.1To 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.