A-type star · white star
HR 3958
HR 3958 is a white star in the constellation Ursa Major 387 ly from Earth. Its surface is about 8,703 K, about 1.5 times the Sun's surface temperature, and it shines at 36.68× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 387 years ago.
Also catalogued as HD 87243 · HIP 49408
8,703 K
temperature
6.31
apparent magnitude
36.68× ☉
luminosity vs Sun
A5IV
spectral type
Distance & comparison with our Sun
387 years
at light speed from Earth
1.51×
as hot as the Sun
36.68×
the Sun's light output
0.94
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.