F-type star · yellow-white star

HR 2157

HR 2157 is a yellow-white star in the constellation Puppis 86.7 ly from Earth. Its surface is about 6,313 K, about 1.1 times the Sun's surface temperature, and it shines at 1.77× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 87 years ago.

86.7 lybrightness mag 6.35G0IV-V

Also catalogued as HD 41700 · HIP 28764 · Gliese GJ 9200

6,313 K

temperature

6.35

apparent magnitude

1.77× ☉

luminosity vs Sun

G0IV-V

spectral type

Distance & comparison with our Sun

87 years

at light speed from Earth

1.09×

as hot as the Sun

1.77×

the Sun's light output

4.23

absolute magnitude

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HR 2157F-type

Sky regionPuppisthis direction

Nearest stars

Bright stars in Puppis

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BINOCULARS NEEDED

Brightness mag 6.3To see it 50 mm binocularsLook toward Puppis

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.