View source for HD 126009

{{Short description|Star in the constellation Boötes}}
{{Starbox begin
 | name=HD 126009
}}
{{Starbox image
| image = [[Image:CIBooLightCurve.png|250px]]
| caption = The [[Photometric_system#Photometric_letters|visual band]] [[light curve]] of HD 126009, plotted from data presented by Tabur ''et al.'' (2009)<ref name="Tabur"/>
}}
{{Starbox observe
 | epoch=J2000
 | ra={{RA|14|22|14.00070}}<ref name=dr3/>
 | dec={{DEC|+29|22|11.7179}}<ref name=dr3/>
 | appmag_v=6.6<ref name="MERMILLIOD"/>
 | constell=[[Boötes (constellation)|Boötes]]
}}
{{Starbox character
 | class=M3III<ref name=tabur/>
 | r-i = 
 | v-r = 
 | b-v = +1.60<ref name="MERMILLIOD"/>
 | u-b = +1.46<ref name="MERMILLIOD"/>
 | variable=[[Slow irregular variable|Irregular]]<ref name=aaa374_968/>
}}
{{Starbox astrometry
 | radial_v={{val|-19.66|0.54}}<ref name="Famaey2009"/>
 | prop_mo_ra=−39.980<ref name=dr3/>
 | prop_mo_dec=−26.201<ref name=dr3/>
 | parallax=4.5229
 | p_error=0.0973
 | parallax_footnote=<ref name=dr3/>
 | absmag_v=−0.268<ref name=gontcharov2011/>
}}
{{Starbox detail
 | mass=1.8<ref name=dr3/>
 | radius=71<ref name=dr3/>
 | luminosity=943<ref name=dr3/>
 | temperature=3,227<ref name=pastel/>
 | metal_fe=
 | gravity=
 | rotational_velocity=
 | age_gyr=1.6<ref name=dr3/>
}}
{{Starbox catalog
 | names=CI Boötes, [[Bonner Durchmusterung|BD]]+30°2513, [[Henry Draper catalog|HD]]126009, [[Hipparcos catalogue|HIP]] 70236, [[Smithsonian Astrophysical Observatory catalogue|SAO]] 83312.
}}
{{Starbox reference
 | Simbad=HD+126009
}}
{{Starbox end}}

'''HD 126009''' or '''CI Boötis''' is a [[variable star]]<ref name=tabur/> in the northern [[constellation]] of [[Boötes]].

==References==
{{reflist|refs=

<ref name=dr3>{{cite Gaia DR3|1284713920410139008}}</ref>

<ref name=pastel>{{cite journal | bibcode=2016A&A...591A.118S | doi=10.1051/0004-6361/201628497 |arxiv=1605.07384 | title=The PASTEL catalogue: 2016 version | journal=Astronomy & Astrophysics | volume=591 | pages=A118 | year=2016 | last1=Soubiran | first1=Caroline | last2=Le Campion | first2=Jean-François | last3=Brouillet | first3=Nathalie | last4=Chemin | first4=Laurent | s2cid=119258214 }}</ref>

<ref name=gontcharov2011>{{cite journal |bibcode=2017yCat..90370769G |title=VizieR Online Data Catalog: Tycho-2 red giant branch and carbon stars (Gontcharov, 2011) |last1=Gontcharov |first1=G. A. |journal=VizieR On-Line Data Catalog |year=2017 }}</ref>

<ref name="Tabur">{{cite journal |last1=Tabur |first1=V. |last2=Bedding |first2=T. R. |last3=Kiss |first3=L. L. |last4=Moon |first4=T. T. |last5=Szeidl |first5=B. |last6=Kjeldsen |first6=H. |title=Long-term photometry and periods for 261 nearby pulsating M giants |journal=Monthly Notices of the Royal Astronomical Society |date=December 2009 |volume=400 |issue=4 |pages=1945–1961 |doi=10.1111/j.1365-2966.2009.15588.x |arxiv=0908.3228 |bibcode=2009MNRAS.400.1945T |doi-access=free }}</ref>

<ref name="Famaey2009">{{cite journal
 | display-authors=1
 | last1=Famaey | first1=B.
 | last2=Pourbaix | first2=D.
 | last3=Frankowski | first3=A.
 | last4=Van Eck | first4=S.
 | last5=Mayor | first5=M.
 | last6=Udry | first6=S.
 | last7=Jorissen | first7=H. A.
 | title=Spectroscopic binaries among Hipparcos M giants,. I. Data, orbits, and intrinsic variations
 | journal=Astronomy and Astrophysics
 | volume=498 | issue=2 | pages=627–640 | year=2009
 | arxiv=0901.0934
 | bibcode=2009A&A...498..627F
 | doi=10.1051/0004-6361/200810698
 | s2cid=18739721 }}</ref>

<ref name="MERMILLIOD">{{citation
 | last1=Mermilliod | first1=J.-C.
 | title=Compilation of Eggen's UBV data, transformed to UBV (unpublished)
 | journal=Catalogue of Eggen's UBV Data. SIMBAD
 | date=1986 | bibcode=1986EgUBV........0M
}}</ref>

<ref name=tabur>{{citation
 | last1=Tabur | first1=V.
 | last2=Bedding |first2=T. R.|author2-link= Tim Bedding
 | title=Long-term photometry and periods for 261 nearby pulsating M giants
 | journal=[[Monthly Notices of the Royal Astronomical Society]]
 | volume=400 | issue=4  | pages=1945–61 | year=2009
 | doi=10.1111/j.1365-2966.2009.15588.x
 | doi-access=free
 | arxiv=0908.3228
 | bibcode=2009MNRAS.400.1945T
| s2cid=15358380
 }}</ref>

<ref name=aaa374_968>{{citation
 | display-authors=1
 | last1=Mennessier | first1=M. O.
 | last2=Mowlavi | first2=N.
 | last3=Alvarez | first3=R.
 | last4=Luri | first4=X.
 | title=Long period variable stars: galactic populations and infrared luminosity calibrations
 | journal=Astronomy and Astrophysics
 | volume=374 | pages=968–979 | date=August 2001
 | issue=3 | doi=10.1051/0004-6361:20010764
 | bibcode=2001A&A...374..968M
 | arxiv=astro-ph/0105552
 | s2cid=15721872 | postscript=.
}}</ref>

}}

==External links==
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HIC%2070236 HIC 70236]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=14+22+14.0013%2B29+22+11.712&ident=V*+CI+Boo&submit=Aladin+previewer Image HD 126009]

{{Stars of Boötes}}

[[Category:Boötes]]
[[Category:Henry Draper Catalogue objects|126009]]
[[Category:Hipparcos objects|070236]]
[[Category:Objects with variable star designations|Boötis, CI]]
[[Category:M-type giants]]
[[Category:Slow irregular variables]]
[[Category:Durchmusterung objects]]


{{giant-star-stub}}
{{var-star-stub}}