Lihat sumber Zeta Herculis

{{Starbox begin
| name=Zeta Herculis A/B }}
{{Starbox observe
| epoch=J2000
| ra={{RA|16|41|17.16}}
| dec={{DEC| +31|36|09.8}}
| appmag_v=2.89
| constell=[[Hercules (constellation)|Hercules]] }}
{{Starbox character
| class=G0 IV/K0 V
| b-v=0.64
| u-b=0.21
| variable=Suspected }}
{{Starbox astrometry
| radial_v=-69.9
| prop_mo_ra=-462.64
| prop_mo_dec=345.08
| parallax=92.64
| p_error=0.60
| absmag_v=2.72 }}
{{Starbox detail
| mass=1.5/0.85
| radius=2.5/0.92
| luminosity=6/0.65
| temperature=5780/5420
| metal=? % Sun
| rotation=<10 km/s.
| age=3.8 × 10<sup>9</sup>  }}
{{Starbox catalog
| names=ζ&nbsp;Her, 40&nbsp;Her, 40&nbsp;Herculis, [[Gliese-Jahreiss catalogue|GJ]] 635, [[Harvard Revised catalogue|HR]] 6212, [[Bonner Durchmusterung|BD]] +31°2884, [[Henry Draper catalogue|HD]] 150680, [[Luyten Half-Second catalogue|LHS]] 3234, [[Luyten Two-Tenths catalogue|LTT]] 14952, [[General Catalogue of Trigonometric Parallaxes|GCTP]] 3799.00, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 65485, NSV 07915, WDS 16413+3136, [[Hipparcos catalogue|HIP]] 81693. }}
{{Starbox end}}
'''Zeta Herculis (ζ Her, ζ Herculis)''' adalah [[bintang ganda]] pada rasi [[Hercules (rasi bintang)|Hercules]]. Bintang utamanya adalah bintang subraksasa (''sub-giant'') agak lebih besar dari [[Matahari]]. Bintang utama ini dikelilingi oleh bintang yang lebih redup dn lebih kecil yang terpisah 1 [[arcsecond]].Periode orbitnya 34.5 tahun.

== Etimologi ==

Bintang ini memiliki nama tradisional '''Ruticulus''' (berbagi nama tradisional dengan [[Beta Herculis|β Her]] ). Nama ini berasal dari bahasa [[Yunani]] yang berarti "merah cemerlang" dan [[bahasa Latin]] yang berarti "ketiak". Nama lainnya untuk bintang ini adalah:

{| class="wikitable"
|-
! nama lain
! asal bahasa
! arti
|-
|天紀二 / Tiānjìèr||[[China]] ||bintang kedua pada rasi [[Daftar asterisme di Batasan Pasar di Langit#Peraturan di Langit|Peraturan di Langit]]<ref>salah satu rasi bintang menurut bangsa Cina</ref>
|}

Selain rasi [[Hercules (rasi bintang)|Hercules]], sistem [[bintang ganda]] ini merupakan bagian dari:

{| class="wikitable"
|-
! nama rasi / asterisma / kelompok
! asal 
! arti
! anggota lainnya
|-
| 天紀 / Tiānjì || [[China]] || [[Daftar asterisme di Batasan Pasar di Langit#Peraturan di Langit|Peraturan di Langit]]||[[Xi Coronae Borealis|ξ CrB]], [[Epsilon Herculis|ε Her]], [[59 Herculis|59 Her]], [[68 Herculis|68 Her]], [[82 Herculis|82 Her]], [[Theta Herculis|θ Her]]
|-
| Keystone<ref name=sb0>{{Cite web |url=http://www.bisque.com/tom/asterisms/herculesa.asp |title=Salinan arsip |access-date=2009-09-08 |archive-date=2010-01-18 |archive-url=https://web.archive.org/web/20100118091745/http://www.bisque.com/tom/asterisms/herculesa.asp |dead-url=yes }}</ref> || || batu penutup||[[Pi Herculis|π Her]], [[Eta Herculis|η Her]], [[Epsilon Herculis|ε Her]]
|-
| Butterfly<ref name=sb0>http://www.bisque.com/tom/asterisms/herculesa.asp</ref> || || kupu-kupu||[[Beta Herculis|β Her]], [[Delta Herculis|δ Her]], [[Pi Herculis|π Her]], [[Eta Herculis|η Her]], [[Epsilon Herculis|ε Her]]
|-
| Zeta Herculis Moving Group<ref>{{cite journal | author=G. F. Porto de Mello, L. da Silva | title=On the physical existence of the Zeta HER moving group - A detailed analysis of Phi exp 2 Pavonis | journal=Astronomical Journal | year=1991 | volume=102 | pages=1816–1825 | doi=10.1086/116006 | unused_data=|http://adsabs.harvard.edu/abs/1991AJ....102.1816P }}</ref> ||  || ||(antara lain): [[C1 Centauri|C<sup>1</sup> Cen]], [[HD 43899]], [[Beta Hydri|β Hyi]], [[71 Leonis|71 Leo]], [[29 Leonis Minoris|29 LMi]], [[Phi1 Lupi|φ<sup>1</sup> Lup]], [[Epsilon Octantis|ε Oct]], [[Phi2 Pavonis|φ<sup>2</sup> Pav]], [[Rho Persei|ρ Per]], [[47 Piscium|47 Psc]], [[HD 71377]], [[Eta Reticuli|η Ret]], [[Zeta Reticuli|ζ Ret]], [[23 Sextantis|23 Sex]], [[HD 150275]], [[84 Virginis|84 Vir]]
|}

== Referensi ==
{{reflist}}

== Pranala luar ==
* {{cite web | url = http://www.ari.uni-heidelberg.de/datenbanken/aricns/cnspages/4c01326.htm | title = Gl 635 | publisher = ARICNS | language = English | accessdate = 2006-07-27 | archive-date = 2011-06-07 | archive-url = https://web.archive.org/web/20110607164623/http://www.ari.uni-heidelberg.de/datenbanken/aricns/cnspages/4c01326.htm | dead-url = yes }}
* {{cite web | url = http://cdsweb.u-strasbg.fr/cgi-bin/bibobj?2005A%26A...433..151Z&HD+150680 | title = HD 150680 — Spectroscopic binary | publisher = SIMBAD | language = English | accessdate = 2006-07-27 }}
* {{cite web | author = Prof. Jim Kaler | url = http://www.astro.uiuc.edu/~kaler/sow/zetaher.html | title = Zeta Herculis | publisher = Stars | language = English | accessdate = 2006-07-27 | archive-date = 2006-12-06 | archive-url = https://web.archive.org/web/20061206044450/http://www.astro.uiuc.edu/%7Ekaler/sow/zetaher.html | dead-url = yes }}

{{bintang-stub}}

[[Kategori:Rasi bintang Hercules]]