A-type star · white star

HR 278

357 lybrightness mag 6.40A4IV

Also catalogued as HD 5715 · HIP 4709

8,703 K

temperature

6.40

apparent magnitude

28.71× ☉

luminosity vs Sun

A4IV

spectral type

Distance & comparison with our Sun

357 years

at light speed from Earth

1.51×

as hot as the Sun

28.71×

the Sun's light output

1.21

absolute magnitude

Explore from here · roam the neighborhood

HR 278A-type

Sky regionCassiopeiathis direction

Nearest stars

HR 273 →29 ly apart
43 Cas →44 ly apart
HR 579 →47 ly apart
HR 8972 →50 ly apart
32 Cas →50 ly apart
HR 20 →58 ly apart

Bright stars in Cassiopeia

Cih →mag 2.1
Schedar →mag 2.2
Caph →mag 2.3
Ruchbah →mag 2.7
Segin →mag 3.4
Achird →mag 3.5
Fulu →mag 3.7
50 Cas →mag 4.0

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.4To 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.