A-type star · white star
HR 5749
HR 5749 is a white star in the constellation Libra 262 ly from Earth. Its surface is about 8,225 K, about 1.4 times the Sun's surface temperature, and it shines at 18.60× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 262 years ago.
Also catalogued as HD 138105 · HIP 75939
8,225 K
temperature
6.20
apparent magnitude
18.60× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
262 years
at light speed from Earth
1.42×
as hot as the Sun
18.60×
the Sun's light output
1.68
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.