A-type star · white star

HR 945

HR 945 is a white star in the constellation Aries 538 ly from Earth. Its surface is about 9,954 K, about 1.7 times the Sun's surface temperature, and it shines at 64.15× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 538 years ago.

538 lybrightness mag 6.42A0V

Also catalogued as HD 19600 · HIP 14719

9,954 K

temperature

6.42

apparent magnitude

64.15× ☉

luminosity vs Sun

A0V

spectral type

Distance & comparison with our Sun

538 years

at light speed from Earth

1.72×

as hot as the Sun

64.15×

the Sun's light output

0.33

absolute magnitude

Explore from here · roam the neighborhood

HR 945A-type

Sky regionAriesthis direction

Nearest stars

Bright stars in Aries

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BINOCULARS NEEDED

Brightness mag 6.4To see it 50 mm binocularsLook toward Aries

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.