B-type star · blue-white star

HR 273

350 lybrightness mag 5.97A0III

Also catalogued as HD 5550 · HIP 4572

10,226 K

temperature

5.97

apparent magnitude

41.11× ☉

luminosity vs Sun

A0III

spectral type

Distance & comparison with our Sun

350 years

at light speed from Earth

1.77×

as hot as the Sun

41.11×

the Sun's light output

0.81

absolute magnitude

Explore from here · roam the neighborhood

HR 273B-type

Sky regionCassiopeiathis direction

Nearest stars

HR 278 →29 ly apart
32 Cas →40 ly apart
HR 428 →48 ly apart
43 Cas →48 ly apart
26Ups1Cas →49 ly apart
HR 342 →57 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?

VISIBLE TO THE NAKED EYE

Brightness mag 6.0To see it no equipment neededLook 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.