A-type star · white star

HR 9017

HR 9017 is a white star in the constellation Cassiopeia 550 ly from Earth. Its surface is about 9,412 K, about 1.6 times the Sun's surface temperature, and it shines at 67.61× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 550 years ago.

550 lybrightness mag 6.41A0sp...

Also catalogued as HD 223358 · HIP 117430

9,412 K
temperature
6.41
apparent magnitude
67.61× ☉
luminosity vs Sun
A0sp...
spectral type
Distance & comparison with our Sun
550 years
at light speed from Earth
1.63×
as hot as the Sun
67.61×
the Sun's light output
0.28
absolute magnitude
Explore from here · roam the neighborhood
HR 9017A-type
Sky regionCassiopeiathis direction
StarHR 17762 ly
StarHR 868378 ly
StarCih84 ly
StarSchedarstar
StarCaphstar
Nearest stars
Bright stars in Cassiopeia
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To 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.