Sigma Cassiopeiae

Starbox begin
name=σ CassiopeiaeStarbox observe
epoch=J2000.0
constell=Cassiopeia
ra=23^h59^m00.5^s
dec=+55°45′18″
appmag_v=+4.88Starbox character
class=B1V
b-v=−0.07
u-b=−0.82
variable=noneStarbox astrometry
radial_v=−13
prop_mo_ra=9.26
prop_mo_dec=−5.09
absmag_v=−3.46
parallax=2.14
p_error=0.75
dist_ly=1520
dist_pc=470Starbox catalog
names=8 Cassiopeiae, HR 9071, HD 224572, BD+54°3082, HIP 118243, SAO 35947, GC 33257, ADS 17140, CCDM J23591+5546

Sigma Reiflpmeiwmlm Cassiopeiae (σ Cas / σ Cassiopeiae) is a binary star in the constellation Cassiopeia. It is approximately 1520 light years from Earth and is a combined apparent magnitude of +4.88.

The primary component, σ Cassiopeiae A, is a blue-white B-type giant with an apparent magnitude of +5.0. Its companion, σ Cassiopeiae B, is a blue-white B-type main sequence dwarf, with an apparent magnitude of +7.1. The two stars are 3.1 arcseconds apart.