M-type star · red

HR 861

HR 861 is a red in the constellation Cassiopeia 2,281 ly from Earth. Its surface is about 3,176 K, about 0.6 times the Sun's surface temperature, and it shines at 1,449× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 2,281 years ago.

2,281 lybrightness mag 6.17K3Ibvar

Also catalogued as HD 17958 · HIP 13700

3,176 K
temperature
6.17
apparent magnitude
1,449× ☉
luminosity vs Sun
K3Ibvar
spectral type
Distance & comparison with our Sun
2,281 years
at light speed from Earth
0.55×
as hot as the Sun
1,449×
the Sun's light output
-3.05
absolute magnitude
Explore from here · roam the neighborhood
HR 861M-type
Sky regionCassiopeiathis direction
StarHR 1009260 ly
StarHD 19243320 ly
StarHR 1112340 ly
StarCihstar
StarSchedarstar
Nearest stars
Bright stars in Cassiopeia
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Cassiopeia

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.