K-type star · orange
Tarf
Tarf is an orange in the constellation Cancer 303 ly from Earth. Its surface is about 3,822 K, about 0.7 times the Sun's surface temperature, and it shines at 292× the Sun's brightness. At magnitude 3.5 it is bright enough to see with the naked eye; the light you see left it 303 years ago.
Also catalogued as Beta Cnc · HR 3249 · HD 69267 · HIP 40526
3,822 K
temperature
3.53
apparent magnitude
292× ☉
luminosity vs Sun
K4III
spectral type
Distance & comparison with our Sun
303 years
at light speed from Earth
0.66×
as hot as the Sun
292×
the Sun's light output
-1.31
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.