F-type star · yellow-white star
55 Sgr
55 Sgr is a yellow-white star in the constellation Sagittarius 177 ly from Earth. Its surface is about 7,343 K, about 1.3 times the Sun's surface temperature, and it shines at 24.32× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 177 years ago.
Also catalogued as HR 7489 · HD 186005 · HIP 96950
7,343 K
temperature
5.06
apparent magnitude
24.32× ☉
luminosity vs Sun
F3IV/V
spectral type
Distance & comparison with our Sun
177 years
at light speed from Earth
1.27×
as hot as the Sun
24.32×
the Sun's light output
1.39
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.