A-type star · white star

Theta¹ Cru

Theta¹ Cru is a white star in the constellation Crux 235 ly from Earth. Its surface is about 7,591 K, about 1.3 times the Sun's surface temperature, and it shines at 84.57× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 235 years ago.

235 lybrightness mag 4.32Am

Also catalogued as HR 4599 · HD 104671 · HIP 58758

7,591 K
temperature
4.32
apparent magnitude
84.57× ☉
luminosity vs Sun
Am
spectral type
Distance & comparison with our Sun
235 years
at light speed from Earth
1.32×
as hot as the Sun
84.57×
the Sun's light output
0.03
absolute magnitude
Explore from here · roam the neighborhood
Theta¹ CruA-type
Sky regionCruxthis direction
StarHR 447515 ly
StarGinan16 ly
StarHR 477117 ly
StarGacruxstar
StarImaistar
Nearest stars
Bright stars in Crux
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.3To see it no equipment neededLook toward Crux

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.