A-type star · white star
HR 1809
HR 1809 is a white star in the constellation Orion 425 ly from Earth. Its surface is about 9,195 K, about 1.6 times the Sun's surface temperature, and it shines at 49.93× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 425 years ago.
Also catalogued as HD 35693 · HIP 25502
9,195 K
temperature
6.18
apparent magnitude
49.93× ☉
luminosity vs Sun
A1IV
spectral type
Distance & comparison with our Sun
425 years
at light speed from Earth
1.59×
as hot as the Sun
49.93×
the Sun's light output
0.60
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.