S Orionis

Starbox begin
name=S Orionis Starbox observe
epoch=J2000
ra=RA|05|29|00.8948cite web
url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=S%20Orionis
title=SIMBAD query result: V* S Ori -- Emission-line Star
publisher=Centre de Données astronomiques de Strasbourg
accessdate=2007-06-15 ]
dec=DEC| -04|41|32.748
appmag_v=9.20
constell=Orion Starbox character
class=M7e
b-v=+1.73
u-b=+0.15
variable=Mira variable Starbox astrometry
radial_v=
prop_mo_ra=14.77
prop_mo_dec=-10.87
parallax=0.32
p_error=2.56 Starbox detail
mass=
radius=400—500
luminosity=
temperature=
metal=
rotation=
age= Starbox catalog
names=S Ori, BD -04°1146, HD 36090, SAO 132163 and HIP 25673.

S Orionis is a red giant star in the constellation Orion. It is a Mira variable that pulsates with a 420–day cycle, and varies in radius from 1.9 to 2.3 astronomical units. [cite news
title=Chronicle of a Death Foretold | publisher=ESO
date=May 31, 2007
url=http://www.eso.org/public/outreach/press-rel/pr-2007/pr-25-07.html
accessdate=2007-06-15 ]

References