A-type star · white star
HR 3988
HR 3988 is a white star in the constellation Hydra 277 ly from Earth. Its surface is about 8,289 K, about 1.4 times the Sun's surface temperature, and it shines at 19.99× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 277 years ago.
Also catalogued as HD 88182 · HIP 49802
8,289 K
temperature
6.24
apparent magnitude
19.99× ☉
luminosity vs Sun
A5m
spectral type
Distance & comparison with our Sun
277 years
at light speed from Earth
1.44×
as hot as the Sun
19.99×
the Sun's light output
1.60
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.