A-type star · white star
HR 1642
HR 1642 is a white star in the constellation Taurus 449 ly from Earth. Its surface is about 8,019 K, about 1.4 times the Sun's surface temperature, and it shines at 42.27× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 449 years ago.
Also catalogued as HD 32642 · HIP 23695
8,019 K
temperature
6.48
apparent magnitude
42.27× ☉
luminosity vs Sun
A5m
spectral type
Distance & comparison with our Sun
449 years
at light speed from Earth
1.39×
as hot as the Sun
42.27×
the Sun's light output
0.79
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.