K-type star · orange dwarf

Struve 2398 B

11.3 lybrightness mag 9.70K5

Also catalogued as HD 173740 · HIP 91772 · Gliese Gl 725B

3,704 K

temperature

9.70

apparent magnitude

0.001× ☉

luminosity vs Sun

spectral type

Distance & comparison with our Sun

11 years

at light speed from Earth

0.64×

as hot as the Sun

0.001×

the Sun's light output

12.01

absolute magnitude

Explore from here · roam the neighborhood

Struve 2398 BK-type

Sky regionDracothis direction

StarStruve 2398 A0.37 ly

Star61 Cyg6.0 ly

StarEltaninstar

StarAthebynestar

Nearest stars

Struve 2398 A →0.37 ly apart
61 Cyg →6.0 ly apart
61 Cyg →6.0 ly apart
Kruger 60 →6.2 ly apart
Alsafi →8.0 ly apart
Ross 248 →8.5 ly apart

Bright stars in Draco

Eltanin →mag 2.2
Athebyne →mag 2.7
Rastaban →mag 2.8
Altais →mag 3.1
Aldhibah →mag 3.2
Edasich →mag 3.3
44Chi Dra →mag 3.5
Thuban →mag 3.7

Can you see it tonight?

SMALL TELESCOPE NEEDED

Brightness mag 9.7To see it 4-6" (100-150 mm) telescopeLook toward Draco

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.