A-type star · white star

HR 5129

HR 5129 is a white star in the constellation Boötes 239 ly from Earth. Its surface is about 7,631 K, about 1.3 times the Sun's surface temperature, and it shines at 11.85× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 239 years ago.

239 lybrightness mag 6.49A9Vs

Also catalogued as HD 118660 · HIP 66522

7,631 K

temperature

6.49

apparent magnitude

11.85× ☉

luminosity vs Sun

A9Vs

spectral type

Distance & comparison with our Sun

239 years

at light speed from Earth

1.32×

as hot as the Sun

11.85×

the Sun's light output

2.17

absolute magnitude

Explore from here · roam the neighborhood

HR 5129A-type

Sky regionBoötesthis direction

Nearest stars

Bright stars in Boötes

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BINOCULARS NEEDED

Brightness mag 6.5To see it 50 mm binocularsLook toward Boötes

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.