A-type star · white star

HR 1237

HR 1237 is a white star in the constellation Taurus 642 ly from Earth. Its surface is about 9,476 K, about 1.6 times the Sun's surface temperature, and it shines at 101× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 642 years ago.

642 lybrightness mag 6.31A0V

Also catalogued as HD 25175 · HIP 18717

9,476 K
temperature
6.31
apparent magnitude
101× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
642 years
at light speed from Earth
1.64×
as hot as the Sun
101×
the Sun's light output
-0.16
absolute magnitude
Explore from here · roam the neighborhood
HR 1237A-type
Sky regionTaurusthis direction
Star33 Tau79 ly
StarHD 2786087 ly
StarHR 1243100 ly
StarElnathstar
StarAlcyonestar
Nearest stars
Bright stars in Taurus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Taurus

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.