M-type star · red

HR 7238

HR 7238 is a red in the constellation Lyra 646 ly from Earth. Its surface is about 3,684 K, about 0.6 times the Sun's surface temperature, and it shines at 128× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 646 years ago.

646 lybrightness mag 6.07M2III

Also catalogued as HD 177809 · HIP 93720

3,684 K
temperature
6.07
apparent magnitude
128× ☉
luminosity vs Sun
M2III
spectral type
Distance & comparison with our Sun
646 years
at light speed from Earth
0.64×
as hot as the Sun
128×
the Sun's light output
-0.41
absolute magnitude
Explore from here · roam the neighborhood
HR 7238M-type
Sky regionLyrathis direction
StarHR 723729 ly
StarSulafat36 ly
StarHR 720251 ly
StarSheliakstar
Star13 Lyrstar
Nearest stars
Bright stars in Lyra
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook toward Lyra

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.