{{Short description|Star in the constellation Centaurus}} {{about-distinguish|e Centauri|E Centauri|Epsilon Centauri{{!}}ε Centauri}} {{Starbox begin | name = e Centauri }} {{Starbox image | image = {{Location mark |image=Centaurus constellation map.svg|alt=|float=center|width=280 |label=|position=right |mark=Red circle.svg|mark_width=10|mark_link=HD 111915 |x=655|y=600 }} | caption = Location of e Centauri (circled in red) }} {{Starbox observe | epoch = J2000.0 | constell = [[Centaurus]]<ref name=Anderson_Francis_2012/> | ra = {{RA|12|53|06.91}}<ref name=vanLeeuwen2007/> | dec = {{DEC|−48|56|35.9}}<ref name=vanLeeuwen2007/> | appmag_v = +4.33<ref name=Anderson_Francis_2012/> }} {{Starbox character | type = [[red giant branch]]<ref name=dr3/> | class = K3-4III<ref name=Houk1978/> | b-v = {{val|+1.344|0.068}}<ref name=Anderson_Francis_2012/> | u-b = +1.58 | variable = }} {{Starbox astrometry | radial_v = {{val|−2.4|1.6}}<ref name=Anderson_Francis_2012/> | prop_mo_ra = {{val|-79.19|0.15}}<ref name=vanLeeuwen2007/> | prop_mo_dec = {{val|-24.26|0.13}}<ref name=vanLeeuwen2007/> | parallax = 11.08 | p_error = 0.19 | parallax_footnote = <ref name=vanLeeuwen2007/> | absmag_v = −0.45<ref name=Anderson_Francis_2012/> }} {{Starbox detail | mass = 4.0<ref name=dr3/> | radius = 30<ref name=dr3/> | luminosity = 343<ref name=dr3/> | gravity = 1.99<ref name=dr3/> | temperature = 4,526<ref name=dr3/> | metal_fe = | rotation = | age_myr = | rotational_velocity = }} {{Starbox catalog | names = {{odlist | B=e Cen | HR=4888 | HD=111915 | CD=−48°7753 | FK5=3024 | HIP=62867 | SAO=223731 | GC=17473 }}<ref name=SIMBAD/> }} {{Starbox reference | Simbad = HD+111915 }} {{Starbox end}}

'''HD 111915''' is a single<ref name=Eggleton_Tokovinin_2008/> [[star]] in the southern [[constellation]] of [[Centaurus]]. It has the [[Bayer designation]] '''e Centauri''', while ''HD 111915'' is the star's identifier in the ''[[Henry Draper Catalogue]]''. This is an aging [[giant star]] with a [[stellar classification]] of K3-4III.<ref name=Houk1978/> It is faintly visible to the naked eye with an [[apparent visual magnitude]] of +4.33.<ref name=Anderson_Francis_2012/> The distance to this star is approximately 294&nbsp;[[light year]]s based on [[stellar parallax|parallax]].<ref name=vanLeeuwen2007/>

== References == {{Reflist|refs=

<ref name=dr3>{{Cite Gaia DR3|6085579126380071936}}</ref>

<ref name=SIMBAD>{{cite simbad | title=e Cen | access-date=2021-01-28 }}</ref>

<ref name=Houk1978>{{citation | postscript=. | last=Houk | first=N. | volume=2 | date=1978 | title=Michigan catalogue of two-dimensional spectral types for the HD stars | publisher=Dept. of Astronomy, University of Michigan | bibcode=1978mcts.book.....H }}</ref>

<ref name=vanLeeuwen2007>{{cite journal | title=Validation of the new Hipparcos reduction | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | year=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 | s2cid=18759600 }} [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=62655 Vizier catalog entry ] </ref>

<ref name=Anderson_Francis_2012>{{cite XHIP|62867}}</ref>

<ref name=Eggleton_Tokovinin_2008>{{cite journal | last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A. | title=A catalogue of multiplicity among bright stellar systems | journal=[[Monthly Notices of the Royal Astronomical Society]] | volume=389 | issue=2 | pages=869–879 | date=September 2008 | bibcode=2008MNRAS.389..869E | arxiv=0806.2878 | doi=10.1111/j.1365-2966.2008.13596.x | doi-access=free | s2cid=14878976 }}</ref>

}}

{{Stars of Centaurus}}

{{DEFAULTSORT:Hd 111915}}

[[Category:K-type giants]] [[Category:Centaurus]] [[Category:Bayer objects|Centauri, e]] [[Category:Durchmusterung objects|CD-48 07753]] [[Category:Henry Draper Catalogue objects|111915]] [[Category:Hipparcos objects|062867]] [[Category:Bright Star Catalogue objects|4888]]

{{Giant-star-stub}}