K-type star · orange

HR 3770

HR 3770 is an orange in the constellation Antlia 790 ly from Earth. Its surface is about 4,043 K, about 0.7 times the Sun's surface temperature, and it shines at 325× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 790 years ago.

790 lybrightness mag 5.49K2IIICNII

Also catalogued as HD 82205 · HIP 46578

4,043 K
temperature
5.49
apparent magnitude
325× ☉
luminosity vs Sun
K2IIICNII
spectral type
Distance & comparison with our Sun
790 years
at light speed from Earth
0.70×
as hot as the Sun
325×
the Sun's light output
-1.43
absolute magnitude
Explore from here · roam the neighborhood
HR 3770K-type
Sky regionAntliathis direction
StarHR 394699 ly
StarHR 3513130 ly
StarHR 3533140 ly
StarAlpha Antstar
StarIota Antstar
Nearest stars
Bright stars in Antlia
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To see it no equipment neededLook toward Antlia

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.