View source for Astronomy:HD 141846

{{Short description|Star in the constellation Apus}}
{{Starbox begin 
 | name = HD 141846 
}}
{{Starbox observe 
 | epoch = J2000 
 | ra = {{RA|15|59|55.13299}}<ref name="vanLeeuwen2007"/>
 | dec = {{DEC|−78|01|38.1884}}<ref name="vanLeeuwen2007"/>
 | appmag_v = 6.393<ref name=cgssn09/> {{nowrap|(6.92 + 7.53)}}<ref name=WDSC2014/>
 | constell = [[Astronomy:Apus|Apus]] 
}}
{{Starbox character 
 | class = F3IV<ref name=houk1979/>
 | b-v = 0.38<ref name=hog/>
 | u-b = 
 | variable = 
}}
{{Starbox astrometry 
 | radial_v = 
 | prop_mo_ra = {{val|−1.99|0.63}}<ref name="vanLeeuwen2007"/>
 | prop_mo_dec = {{val|−72.24|0.81}}<ref name="vanLeeuwen2007"/>
 | parallax = 11.37 
 | p_error = 0.61
 | parallax_footnote = <ref name="vanLeeuwen2007"/>
 | absmag_v = 1.67<ref name=cgssn09/>
}}
{{Starbox detail
 | component1 = primary
 | mass = 
 | radius = 1.66
 | luminosity = 16.8<ref name=Mcdonald2012/>
 | temperature = 6,637<ref name=Mcdonald2012/>
 | metal_fe = −0.18<ref name=cgssn09/>
 | rotational_velocity = 
 | age_gyr = 1.3<ref name=cgssn09/>
 | component2 = secondary
 | mass2 = 0.78<ref name=tic/>
 | luminosity2 = 5.2<ref name=tic/>
 | radius2 = 1.66<ref name=tic/>
 | temperature2 = 6,760<ref name=tic/>
 | gravity2 = 3.89<ref name=tic/>
}}
{{Starbox catalog
| names = [[Astronomy:Durchmusterung|CD]]−77°764, HD 141846, [[Astronomy:Hipparcos#Published catalogues|HIP]] 78360, [[Astronomy:Smithsonian Astrophysical Observatory Star Catalog|SAO]] 257341
}}
{{Starbox reference 
| Simbad = HD+141846 
}}
{{Starbox end}}
'''HD 141846''' is a [[Astronomy:Double star|double star]] in the southern [[Astronomy:Constellation|constellation]] of [[Astronomy:Apus|Apus]]. As of 1996, the pair have an angular separation of 0.7[[Arc second|″]] along a [[Astronomy:Position angle|position angle]] of 332°.<ref name=WDSC2014/>

==References==
{{reflist|refs=

<ref name="vanLeeuwen2007">{{citation
 | first=F. | last=van Leeuwen
 | title=Validation of the new Hipparcos reduction
 | journal=Astronomy and Astrophysics
 | volume=474 | issue=2 | pages=653–664
 | date=November 2007 | bibcode=2007A&A...474..653V
 | doi=10.1051/0004-6361:20078357
 | arxiv=0708.1752
 | s2cid=18759600
 | postscript=.
}}</ref>

<ref name=houk1979>{{citation
 | title=Michigan catalogue of two-dimensional spectral types for the HD stars
 | last1=Houk | first1=Nancy
 | last2=Cowley | first2=A. P.
 | publication-place=Ann Arbor, Michigan
 | publisher=Dept. of Astronomy, University of Michigan
 | year=1979 | volume=1
 | bibcode=1978mcts.book.....H
 | postscript=.
}}</ref>

<ref name=hog>{{cite journal
 | title=The Tycho-2 catalogue of the 2.5 million brightest stars
 | journal=Astronomy and Astrophysics
 | last1=Høg | first1=E.
 | last2=Fabricius | first2=C.
 | last3=Makarov | first3=V. V.
 | last4=Urban | first4=S.
 | last5=Corbin | first5=T.
 | last6=Wycoff | first6=G.
 | last7=Bastian | first7=U.
 | last8=Schwekendiek | first8=P.
 | last9=Wicenec | first9=A.
 | display-authors=5
 | volume=355 | pages=L27–L30 | date=March 2000
 | bibcode=2000A&A...355L..27H
 | doi=10.1888/0333750888/2862
}}</ref>

<ref name=Mcdonald2012>{{citation
 | display-authors=1
 | last1=McDonald | first1=I.
 | last2=Zijlstra | first2=A. A.
 | last3=Boyer | first3=M. L.
 | title=Fundamental Parameters and Infrared Excesses of Hipparcos Stars
 | journal=Monthly Notices of the Royal Astronomical Society
 | volume=427 | issue=1 | pages=343–57 | date=2012
 | bibcode=2012MNRAS.427..343M
 | arxiv=1208.2037
 | doi=10.1111/j.1365-2966.2012.21873.x
 | s2cid=118665352 | postscript=.
}}</ref>

<ref name=cgssn09>{{citation | postscript=.
 | last1=Holmberg | first1=J.
 | last2=Nordström | first2=B.
 | last3=Andersen | first3=J.
 | title=The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics
 | journal=Astronomy and Astrophysics
 | volume=501 | issue=3 |date=July 2009 | pages=941–947
 | doi=10.1051/0004-6361/200811191
 | bibcode=2009A&A...501..941H
 | arxiv=0811.3982
 | s2cid=118577511
 }}</ref>

<ref name=WDSC2014>{{citation | postscript=.
 | display-authors=1
 | last1=Mason | first1=B. D.
 | last2=Wycoff | first2=G. L.
 | last3=Hartkopf | first3=W. I.
 | last4=Douglass | first4=G. G.
 | last5=Worley | first5=C. E.
 | title=The Washington Visual Double Star Catalog
 | year=2014 | bibcode=2001AJ....122.3466M
 | url=http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds
 | accessdate=2015-07-22
|doi = 10.1086/323920 | volume=122 | journal=The Astronomical Journal | issue=6
 | pages=3466–3471| doi-access=free}}</ref>

<ref name=tic>{{citation |postscript=.|display-authors=1 |last1=Stassun |first1=Keivan G. |last2=Oelkers |first2=Ryan J. |last3=Pepper |first3=Joshua |last4=Paegert |first4=Martin |last5=De Lee |first5=Nathan |last6=Torres |first6=Guillermo |last7=Latham |first7=David W. |last8=Charpinet |first8=Stéphane |last9=Dressing |first9=Courtney D. |last10=Huber |first10=Daniel |last11=Kane |first11=Stephen R. |last12=Lépine |first12=Sébastien |last13=Mann |first13=Andrew |last14=Muirhead |first14=Philip S. |last15=Rojas-Ayala |first15=Bárbara |last16=Silvotti |first16=Roberto |last17=Fleming |first17=Scott W. |last18=Levine |first18=Al |last19=Plavchan |first19=Peter |title=The TESS Input Catalog and Candidate Target List |journal=The Astronomical Journal |date=September 2018 |volume=156 |issue=3 |pages=102 |doi=10.3847/1538-3881/aad050 |arxiv=1706.00495 |bibcode=2018AJ....156..102S |issn=0004-6256|doi-access=free }}</ref>

}}

==External links==
* [http://aladin.u-strasbg.fr/AladinPreview?-c=15+59+55.1338-78+01+38.198&ident=CCDM+J15599-7802AB&submit=Aladin+previewer Image HD 141846]
* [https://web.archive.org/web/20110521221326/http://www.chara.gsu.edu/CHARA/DoubleStars/Speckle/cat3_15.html www.chara.gsu.edu/]

{{Stars of Apus}}

{{DEFAULTSORT:HD 141846}}
[[Category:Apus]]
[[Category:Henry Draper Catalogue objects|141846]]
[[Category:Double stars]]
[[Category:F-type subgiants]]
[[Category:Durchmusterung objects]]
[[Category:Hipparcos objects|078360]]



{{Sourceattribution|HD 141846}}