K-type star · orange

HR 738

HR 738 is an orange in the constellation Triangulum 272 ly from Earth. Its surface is about 4,552 K, about 0.8 times the Sun's surface temperature, and it shines at 27.85× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 272 years ago.

272 lybrightness mag 5.84K0III

Also catalogued as HD 15755 · HIP 11840

4,552 K
temperature
5.84
apparent magnitude
27.85× ☉
luminosity vs Sun
K0III
spectral type
Distance & comparison with our Sun
272 years
at light speed from Earth
0.79×
as hot as the Sun
27.85×
the Sun's light output
1.24
absolute magnitude
Explore from here · roam the neighborhood
HR 738K-type
Sky regionTriangulumthis direction
Star11 Tri16 ly
StarHR 76816 ly
Star7 Tri20 ly
StarBeta Tristar
StarMothallahstar
Nearest stars
Bright stars in Triangulum
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Triangulum

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.