B-type star · blue-white star

HR 7156

HR 7156 is a blue-white star in the constellation Corona Australis 499 ly from Earth. Its surface is about 10,653 K, about 1.8 times the Sun's surface temperature, and it shines at 51.62× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 499 years ago.

499 lybrightness mag 6.49B9.5V

Also catalogued as HD 175855 · HIP 93209

10,653 K
temperature
6.49
apparent magnitude
51.62× ☉
luminosity vs Sun
B9.5V
spectral type
Distance & comparison with our Sun
499 years
at light speed from Earth
1.85×
as hot as the Sun
51.62×
the Sun's light output
0.57
absolute magnitude
Explore from here · roam the neighborhood
HR 7156B-type
Sky regionCorona Australisthis direction
StarBeta CrA30 ly
StarEta² CrA40 ly
StarHR 702952 ly
StarMeridianastar
StarGamma CrAstar
Nearest stars
Bright stars in Corona Australis
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Corona Australis

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.