K-type star · orange

HR 3405

HR 3405 is an orange in the constellation Ursa Major 738 ly from Earth. Its surface is about 4,088 K, about 0.7 times the Sun's surface temperature, and it shines at 130× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 738 years ago.

738 lybrightness mag 6.34K0

Also catalogued as HD 73131 · HIP 42415

4,088 K
temperature
6.34
apparent magnitude
130× ☉
luminosity vs Sun
K0
spectral type
Distance & comparison with our Sun
738 years
at light speed from Earth
0.71×
as hot as the Sun
130×
the Sun's light output
-0.43
absolute magnitude
Explore from here · roam the neighborhood
HR 3405K-type
Sky regionUrsa Majorthis direction
Star17 UMa85 ly
StarHR 369895 ly
StarHR 2969110 ly
StarAliothstar
StarDubhestar
Nearest stars
Bright stars in Ursa Major
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Ursa Major

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.