K-type star · orange
HR 5784
HR 5784 is an orange in the constellation Lupus 545 ly from Earth. Its surface is about 3,798 K, about 0.7 times the Sun's surface temperature, and it shines at 162× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 544 years ago.
Also catalogued as HD 138816 · HIP 76397
3,798 K
temperature
5.44
apparent magnitude
162× ☉
luminosity vs Sun
M0III
spectral type
Distance & comparison with our Sun
544 years
at light speed from Earth
0.66×
as hot as the Sun
162×
the Sun's light output
-0.67
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.