K-type star · orange dwarf
HD 13747
HD 13747 is an orange dwarf in the constellation Triangulum 209 ly from Earth. Its surface is about 4,848 K, about 0.8 times the Sun's surface temperature, and it shines at 10.37× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 209 years ago.
Also catalogued as HIP 10446
4,848 K
temperature
6.35
apparent magnitude
10.37× ☉
luminosity vs Sun
K1III
spectral type
Distance & comparison with our Sun
209 years
at light speed from Earth
0.84×
as hot as the Sun
10.37×
the Sun's light output
2.31
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.