A-type star · white star

40 Ser

257 lybrightness mag 6.28A7Vn

Also catalogued as HR 5919 · HD 142500 · HIP 77910

8,394 K

temperature

6.28

apparent magnitude

16.66× ☉

luminosity vs Sun

A7Vn

spectral type

Distance & comparison with our Sun

257 years

at light speed from Earth

1.45×

as hot as the Sun

16.66×

the Sun's light output

1.80

absolute magnitude

Explore from here · roam the neighborhood

40 SerA-type

Sky regionSerpensthis direction

Nearest stars

HR 5963 →23 ly apart
31Ups Ser →27 ly apart
Phi Ser →30 ly apart
16 Ser →33 ly apart
34Ome Ser →34 ly apart
13Del Ser →37 ly apart

Bright stars in Serpens

Unukalhai →mag 2.6
58Eta Ser →mag 3.2
32Mu Ser →mag 3.5
55Xi Ser →mag 3.5
Zhou →mag 3.6
37Eps Ser →mag 3.7
13Del Ser →mag 3.8
41Gam Ser →mag 3.9

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.3To 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.