B-type star · blue-white star
HR 1724
HR 1724 is a blue-white star in the constellation Orion 544 ly from Earth. Its surface is about 10,316 K, about 1.8 times the Sun's surface temperature, and it shines at 65.40× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 544 years ago.
Also catalogued as HD 34317 · HIP 24607
10,316 K
temperature
6.42
apparent magnitude
65.40× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
544 years
at light speed from Earth
1.79×
as hot as the Sun
65.40×
the Sun's light output
0.31
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
BINOCULARS NEEDED
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.