Sigma Aquarii

Starbox begin
name=σ Aquarii Starbox image


caption = σ Aquarii Starbox observe
epoch=J2000
ra=22^h 30^m 38.8161^s
dec= -10° 40′ 40.62″
appmag_v=4.825
constell=Aquarius Starbox character
class=A0IVs
b-v=-0.06
u-b=-0.11
variable= Starbox astrometry
radial_v=11
prop_mo_ra=1.79
prop_mo_dec=-26.26
parallax=12.29
p_error=1.32
absmag_v=4.79 Starbox detail
mass=3,1
radius=2,1
luminosity=40 | temperature=7,500–10,000
metal=?
rotation=0,0126728 Year
age=? Starbox visbin
name=σ Aquarii B
period=1.79
axis=3.744
eccentricity=
inclination=10
node=
periastron=

Starbox catalog
names=57 Aquarii, HR 8573,
HD 213320, BD-11°5850,
FK5 1591, HIP 111123,
SAO 165134, GC 31440,
CCDM 22306-1041. Starbox reference
Simbad=HD+213320

Sigma Aquarii (σ Aqr / σ Aquarii) is a binary star in the constellation Aquarius. It is approximately 265 light years from Earth.

Sigma Aquarii is an astrometric binary. The visible component is a white A-type subgiant with an apparent magnitude of +4.82. The orbital period of the binary is 654 days.

References

* [http://www.alcyone.de/cgi-bin/search.pl?object=HR8573 HR 8573]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=22+30+38.8161-10+40+40.620&ident=*+sig+Aqr&submit=Aladin+previewer Image Sigma Aquarii]