K-type star · orange

HR 3399

HR 3399 is an orange in the constellation Vela 1,331 ly from Earth. Its surface is about 3,703 K, about 0.6 times the Sun's surface temperature, and it shines at 446× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,331 years ago.

1,331 lybrightness mag 6.28M0III

Also catalogued as HD 72993 · HIP 42070

3,703 K
temperature
6.28
apparent magnitude
446× ☉
luminosity vs Sun
M0III
spectral type
Distance & comparison with our Sun
1,331 years
at light speed from Earth
0.64×
as hot as the Sun
446×
the Sun's light output
-1.77
absolute magnitude
Explore from here · roam the neighborhood
HR 3399K-type
Sky regionVelathis direction
StarHR 3514110 ly
StarHR 3490120 ly
StarHR 3548150 ly
StarGamma² Velstar
StarAlsephinastar
Nearest stars
Bright stars in Vela
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Vela

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.