M-type star · red
13 Sge
Also catalogued as HR 7645 · HD 189577 · HIP 98438
3,683 K
temperature
5.33
apparent magnitude
627× ☉
luminosity vs Sun
M4IIIa
spectral type
Distance & comparison with our Sun
1,019 years
at light speed from Earth
0.64×
as hot as the Sun
627×
the Sun's light output
-2.14
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.