HD 82943 c

{{Short description|Extrasolar planet}} {{Infobox planet | name = HD 82943 c  | discoverer = [[Michel Mayor|Mayor]], [[Stephane Udry|Udry]] ''et al.'' | discovery_site = {{flag|France}} | discovered = 2001 | discovery_method = [[Doppler spectroscopy]]   | apsis = astron | semimajor = {{convert|0.746|AU|km|abbr=on}} | eccentricity = 0.359 | period = 219 [[day|d]] | time_periastron = 1189.3 | arg_peri = 127 | semi-amplitude = 41.7 ± 0.91 | star = [[HD 82943]]    }} '''HD 82943 c''' is an [[extrasolar planet]] approximately 89 [[light-year]]s away in the [[constellation]] of [[Hydra (constellation)|Hydra]]. The planet was announced in 2001 to be orbiting the [[Yellow dwarf star|yellow dwarf]] [[star]] [[HD 82943]].<ref name="eso0114"/> The planet is the innermost planet of two.<ref name="Mayor2004"/>

== See also == * [[HD 82943 b]]

== References == {{Reflist|colwidth=30em|refs=

<ref name="eso0114">{{cite press release | title=Exoplanets: The Hunt Continues! | date=April 4, 2001 | publisher=European Southern Observatory | location=Garching, Germany | url=http://www.eso.org/public/news/eso0114/ | accessdate=December 27, 2012 }}</ref>

<ref name="Mayor2004">{{cite journal | url=http://www.aanda.org/articles/aa/full/2004/07/aa0250/aa0250.html | title=The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE | last1=Mayor | first1=M. | last2=Udry | first2=S. | last3=Naef | first3=D. | last4=Pepe | first4=F. | last5=Queloz | first5=D. | last6=Santos | first6=N. C. | last7=Burnet | first7=M. | display-authors=1 | journal=Astronomy and Astrophysics | volume=415 | issue=1 | pages=391–402 | year=2004 | arxiv=astro-ph/0310316 | bibcode=2004A&A...415..391M | doi=10.1051/0004-6361:20034250 | s2cid=5233877 }}</ref>

}}

== External links == * {{cite encyclopedia |url=https://exoplanet.eu/catalog/hd_82943_c--52/ |title=Notes for planet HD 82943 c|access-date=2008-07-15 |encyclopedia=[[Extrasolar Planets Encyclopaedia]] |date= }} * {{cite web |url=http://www.eso.org/public/outreach/press-rel/pr-2001/pr-10-01.html |title=The Harsh Destiny of a Planet? |accessdate=2008-07-15 |work=[[European Southern Observatory]] |date=2001-05-09 |url-status=dead |archiveurl=https://web.archive.org/web/20080507074309/http://www.eso.org/public/outreach/press-rel/pr-2001/pr-10-01.html |archivedate=2008-05-07 }} {{-}}  {{Sky|09|34|50.736|-|12|07|46.365|89.56}}

[[Category:Hydra (constellation)]] [[Category:Exoplanets discovered in 2001]] [[Category:Giant planets]] [[Category:Exoplanets detected by radial velocity]]