{{Short description|Gas giant}} {{Infobox planet | name = HD 74156 c <!-- DISCOVERY --> | discoverer = [[:fr:Dominique Naef|Dominique Naef]], [[Michel Mayor]] ''et al.''<ref name="Naef2004"/> | discovery_site = [[California]] | discovered = Apr 4, 2001<ref name="eso0114"/> | discovery_method = [[Radial velocity]] <!-- DESIGNATIONS --> <!-- ORBITAL --> | orbit_ref = <ref name="Feng2022"/> | apsis = astron | semimajor = {{val|3.678|0.145|0.159|ul=AU}} | eccentricity = {{val|0.377|0.006}} | period = {{convert|2448.5|±|4.2|d|yr|lk=on}} | time_periastron = {{val|2448568.530|13.016|11.742}} | arg_peri = {{val|271.934|1.178|1.505|u=deg}} | semi-amplitude = {{val|113.940|0.974|1.099|ul=m/s}} | star = [[HD 74156]] | inclination = {{val|120.162|7.601|66.225|u=deg}} | asc_node = {{val|210.652|7.606|42.039|u=deg}} <!-- PHYS CHARS --> | physical_ref = <ref name="Feng2022"/> | mass = {{val|8.665|1.385|0.470|ul=Jupiter mass}} <!-- ATMOSPHERE --> <!-- NOTES --> }} '''HD 74156 c''' is an [[extrasolar planet]] with a [[minimum mass]] about eight times that of [[Jupiter]] orbiting the star [[HD 74156]]. It is most likely a [[gas giant]]. This planet was discovered by [[:fr:Dominique Naef|Dominique Naef]] and [[Michel Mayor]] in April 2001 together with the planet [[HD 74156 b]].<ref name="eso0114"/><ref name="Naef2004"/> In 2022, the inclination and true mass of HD 74156 c were measured via [[astrometry]].<ref name="Feng2022"/>
==References== <references>
<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="Feng2015">{{cite journal | title=The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-period Planets | last1=Feng | first1=Y. Katherina | last2=Wright | first2=Jason T. | last3=Nelson | first3=Benjamin | last4=Wang | first4=Sharon X. | last5=Ford | first5=Eric B. | last6=Marcy | first6=Geoffrey W. | last7=Isaacson | first7=Howard | last8=Howard | first8=Andrew W. | display-authors=1 | journal=The Astrophysical Journal | volume=800 | issue=1 | at=22 | year=2015 | arxiv=1501.00633 | bibcode=2015ApJ...800...22F | doi=10.1088/0004-637X/800/1/22 }}</ref>-->
<ref name="Naef2004">{{cite journal | journal=[[Astronomy and Astrophysics]] | title=The ELODIE survey for northern extra-solar planets. III. Three planetary candidates detected with ELODIE | url=http://www.aanda.org/index.php?option=article&access=standard&Itemid=129&url=/articles/aa/pdf/2004/04/aa0091.pdf | volume=414 | issue=1 | pages=351–359 | year=2004 | doi=10.1051/0004-6361:20034091 | last1=Naef |first1=Dominique | last2=Mayor |first2=Michel | last3=Beuzit |first3=Jean-Luc | last4=Perrier |first4=Christian | last5=Queloz |first5=Didier | last6=Sivan |first6=Jean-Pierre | last7=Udry |first7=Stéphane | bibcode=2004A&A...414..351N |arxiv = astro-ph/0310261 | s2cid=16603563 }}</ref>
<ref name="Feng2022">{{cite journal |last1=Feng |first1=Fabo |last2=Butler |first2=R. Paul |display-authors=etal |date=August 2022 |title=3D Selection of 167 Substellar Companions to Nearby Stars |journal=[[The Astrophysical Journal Supplement Series]] |volume=262 |issue=21 |page=21 |doi=10.3847/1538-4365/ac7e57 |arxiv=2208.12720 |bibcode=2022ApJS..262...21F|s2cid=251864022 |doi-access=free }}</ref>
</references>
{{Sky|08|42|25.1222|+|04|34|41.151|210.6}}
{{DEFAULTSORT:Hd 74156 C}} [[Category:Hydra (constellation)]] [[Category:Giant planets]] [[Category:Exoplanets discovered in 2001]] [[Category:Exoplanets detected by radial velocity]] [[Category:Exoplanets detected by astrometry]]
{{extrasolar-planet-stub}}