K-type star · orange
HR 3749
HR 3749 is an orange in the constellation Hydra 157 ly from Earth. Its surface is about 4,401 K, about 0.8 times the Sun's surface temperature, and it shines at 25.99× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 157 years ago.
Also catalogued as HD 81799 · HIP 46371
4,401 K
temperature
4.72
apparent magnitude
25.99× ☉
luminosity vs Sun
K1III
spectral type
Distance & comparison with our Sun
157 years
at light speed from Earth
0.76×
as hot as the Sun
25.99×
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.