A-type star · white star
HD 19439
HD 19439 is a white star in the constellation Cassiopeia 261 ly from Earth. Its surface is about 8,461 K, about 1.5 times the Sun's surface temperature, and it shines at 14.02× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 261 years ago.
Also catalogued as HIP 14791
8,461 K
temperature
6.50
apparent magnitude
14.02× ☉
luminosity vs Sun
A4V
spectral type
Distance & comparison with our Sun
261 years
at light speed from Earth
1.47×
as hot as the Sun
14.02×
the Sun's light output
1.98
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.