M-type star · red

HR 5745

HR 5745 is a red in the constellation Serpens 797 ly from Earth. Its surface is about 3,576 K, about 0.6 times the Sun's surface temperature, and it shines at 205× the Sun's brightness. At magnitude 6.0 it is within reach of 50 mm binoculars; the light you see left it 797 years ago.

797 lybrightness mag 6.01M1III

Also catalogued as HD 137853 · HIP 75674

3,576 K
temperature
6.01
apparent magnitude
205× ☉
luminosity vs Sun
M1III
spectral type
Distance & comparison with our Sun
797 years
at light speed from Earth
0.62×
as hot as the Sun
205×
the Sun's light output
-0.93
absolute magnitude
Explore from here · roam the neighborhood
HR 5745M-type
Sky regionSerpensthis direction
StarHR 559295 ly
StarHR 5654120 ly
StarHR 6005140 ly
StarUnukalhaistar
StarEta Serstar
Nearest stars
Bright stars in Serpens
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.0To see it 50 mm binocularsLook toward Serpens

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.