M-type star · red

HR 6991

640 lybrightness mag 5.42M2III

Also catalogued as HD 171967 · HIP 91494

3,576 K

temperature

5.42

apparent magnitude

227× ☉

luminosity vs Sun

M2III

spectral type

Distance & comparison with our Sun

640 years

at light speed from Earth

0.62×

as hot as the Sun

227×

the Sun's light output

-1.04

absolute magnitude

Explore from here · roam the neighborhood

HR 6991M-type

Sky regionCorona Australisthis direction

Nearest stars

HR 6922 →49 ly apart
HD 174407 →52 ly apart
HD 175395 →75 ly apart
Del1Tel →77 ly apart
The CrA →83 ly apart
HR 7350 →99 ly apart

Bright stars in Corona Australis

Bet CrA →mag 4.1
Meridiana →mag 4.1
Gam CrA →mag 4.2
Del CrA →mag 4.6
The CrA →mag 4.6
Zet CrA →mag 4.7
Eps CrA →mag 4.8
Gam CrA →mag 5.0

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.4To see it no equipment neededLook toward Corona Australis

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.