B-type star · blue-white star

HR 1923

HR 1923 is a blue-white star in the constellation Orion 1,615 ly from Earth. Its surface is about 10,502 K, about 1.8 times the Sun's surface temperature, and it shines at 733× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 1,615 years ago.

1,615 lybrightness mag 6.16B2IV-V

Also catalogued as HD 37356 · HIP 26477

10,502 K
temperature
6.16
apparent magnitude
733× ☉
luminosity vs Sun
B2IV-V
spectral type
Distance & comparison with our Sun
1,615 years
at light speed from Earth
1.82×
as hot as the Sun
733×
the Sun's light output
-2.31
absolute magnitude
Explore from here · roam the neighborhood
HR 1923B-type
Sky regionOrionthis direction
StarHR 188739 ly
StarTheta² Ori73 ly
StarHR 190077 ly
StarHatysastar
StarTabitstar
Nearest stars
Bright stars in Orion
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Orion

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.