F-type star · yellow-white star
HR 251
HR 251 is a yellow-white star in the constellation Cetus 240 ly from Earth. Its surface is about 6,679 K, about 1.2 times the Sun's surface temperature, and it shines at 12.52× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 240 years ago.
Also catalogued as HD 5156 · HIP 4164
6,679 K
temperature
6.44
apparent magnitude
12.52× ☉
luminosity vs Sun
F3V
spectral type
Distance & comparison with our Sun
240 years
at light speed from Earth
1.16×
as hot as the Sun
12.52×
the Sun's light output
2.11
absolute magnitude
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BINOCULARS NEEDED
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.