F-type star · yellow-white star

HR 197

HR 197 is a yellow-white star in the constellation Cetus 87.2 ly from Earth. Its surface is about 7,158 K, about 1.2 times the Sun's surface temperature, and it shines at 5.09× the Sun's brightness. At magnitude 5.2 it is bright enough to see with the naked eye; the light you see left it 87 years ago.

87.2 lybrightness mag 5.22F0V

Also catalogued as HD 4247 · HIP 3505 · Gliese Gl 31.3

7,158 K

temperature

5.22

apparent magnitude

5.09× ☉

luminosity vs Sun

F0V

spectral type

Distance & comparison with our Sun

87 years

at light speed from Earth

1.24×

as hot as the Sun

5.09×

the Sun's light output

3.08

absolute magnitude

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HR 197F-type

Sky regionCetusthis direction

Nearest stars

Bright stars in Cetus

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VISIBLE TO THE NAKED EYE

Brightness mag 5.2To see it no equipment neededLook toward Cetus

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.