Epsilon² Arae

:"For other star systems with this Bayer designation, see Epsilon Arae."Starbox begin
name=ε² Arae or IDS 16552-5305 A Starbox image


caption = ε² Arae Starbox observe
epoch=J2000
ra=17^h 03^m 08.7105^s
dec= -53° 14′ 13.3″
appmag_v=5.285
constell=Ara Starbox character
class=F5Vfe+05
r-i =
v-r =
b-v = 0.48
u-b =
variable= Starbox astrometry
radial_v=7
prop_mo_ra=1.16
prop_mo_dec= -165.1
parallax=37.97
p_error=0.84
absmag_v=5.727 Starbox detail
mass=1,7
radius=1,4
luminosity=6 | temperature=6,000–7,500
metal=?
rotation=58 Km/s
0,00335 Year
age=? Starbox visbin
name=IDS 16552-5305 B
period=
axis=25
eccentricity=
inclination=20
node=
periastron= Starbox catalog
names=HD 153580, GC 22956, HIP 83431, SAO 244388, GCRV 9813, HR 6314, CCDM J17031-5314A, IDS 16552-5305, TD1 19797, CPC 19 6672, GJ 3985, PLX 3859, TYC 8726-2209-1, CPD-53 8316, GSC 08726-02209, PPM 345633, uvby98 100153580, CSI-53 8316 41, HIC 83431, ROT 2398. Starbox reference
Simbad=HD+153580
ARICNS = Starbox reference
Simbad=IDS+16552-5305

Epsilon² Arae (ε² Ara / ε² Arae) is a triple star system in the constellation Ara. It is approximately 85.9 light years from Earth.

The primary component, ε² Arae A, is a yellow-white F-type main sequence dwarf with an apparent magnitude of +5.4. It has a close companion, ε² Arae C, which is 0.6 arcseconds away and has an apparent magnitude of +8.6. A third component, the 13th magnitude ε² Arae B, is 25 arcseconds from the primary. The combined apparent magnitude of the system is +5.27.

Reference

* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%206314 HR 6314]
* [http://www.alcyone.de/cgi-bin/search.pl?object=HR6314 HR 6314]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=HD+153580&ident=HD+153580&submit=Aladin+previewer Image Epsilon² Arae]

Components