A-type star · white star

HR 1091

HR 1091 is a white star in the constellation Eridanus 448 ly from Earth. Its surface is about 9,894 K, about 1.7 times the Sun's surface temperature, and it shines at 51.95× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 448 years ago.

448 lybrightness mag 6.25A2V

Also catalogued as HD 22243 · HIP 16677

9,894 K
temperature
6.25
apparent magnitude
51.95× ☉
luminosity vs Sun
A2V
spectral type
Distance & comparison with our Sun
448 years
at light speed from Earth
1.71×
as hot as the Sun
51.95×
the Sun's light output
0.56
absolute magnitude
Explore from here · roam the neighborhood
HR 1091A-type
Sky regionEridanusthis direction
StarHR 106238 ly
StarPi Eri44 ly
StarHR 111652 ly
StarCursastar
StarAcamarstar
Nearest stars
Bright stars in Eridanus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Eridanus

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.