A-type star · white star

HD 171586

HD 171586 is a white star in the constellation Serpens 360 ly from Earth. Its surface is about 9,277 K, about 1.6 times the Sun's surface temperature, and it shines at 27.34× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 360 years ago.

360 lybrightness mag 6.47A2pvar

Also catalogued as HIP 91142

9,277 K

temperature

6.47

apparent magnitude

27.34× ☉

luminosity vs Sun

A2pvar

spectral type

Distance & comparison with our Sun

360 years

at light speed from Earth

1.61×

as hot as the Sun

27.34×

the Sun's light output

1.26

absolute magnitude

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HD 171586A-type

Sky regionSerpensthis direction

Nearest stars

Bright stars in Serpens

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BINOCULARS NEEDED

Brightness mag 6.5To see it 50 mm binocularsLook toward Serpens

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.