B-type star · blue-white star

16 Cas

16 Cas is a blue-white star in the constellation Cassiopeia 619 ly from Earth. Its surface is about 10,781 K, about 1.9 times the Sun's surface temperature, and it shines at 80.98× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 619 years ago.

619 lybrightness mag 6.47B9III

Also catalogued as HR 137 · HD 3038 · HIP 2707

10,781 K
temperature
6.47
apparent magnitude
80.98× ☉
luminosity vs Sun
B9III
spectral type
Distance & comparison with our Sun
619 years
at light speed from Earth
1.87×
as hot as the Sun
80.98×
the Sun's light output
0.08
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Cassiopeia

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.