B-type star · blue-white star
Iota Lup
Iota Lup is a blue-white star in the constellation Lupus 338 ly from Earth. Its surface is about 13,211 K, about 2.3 times the Sun's surface temperature, and it shines at 355× the Sun's brightness. At magnitude 3.5 it is bright enough to see with the naked eye; the light you see left it 338 years ago.
Also catalogued as HR 5354 · HD 125238 · HIP 69996
13,211 K
temperature
3.55
apparent magnitude
355× ☉
luminosity vs Sun
B2.5IV
spectral type
Distance & comparison with our Sun
338 years
at light speed from Earth
2.29×
as hot as the Sun
355×
the Sun's light output
-1.53
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.