View source for Astronomy:HD 125612 d

{{short description|Extrasolar planet}}
{{Infobox planet
| name                     = HD 125612 d
<!-- DISCOVERY           -->
| discoverer               = Lo Curto ''et al.''
| discovery_site           = La Silla Observatory
| discovered               = October 19, 2009
| discovery_method         = Radial velocity (HARPS)
<!-- DESIGNATIONS        -->
<!-- ORBITAL             --> 
| orbit_ref                = <ref name="Feng2022"/>
| apsis                    = astron
| semimajor                = {{val|3.982|0.159|0.174|ul=AU}}
| eccentricity             = {{val|0.115|0.012}}
| period                   = {{convert|7.728|±|0.04|yr|d|lk=on}}
| time_periastron          = {{val|2452663.845|3.730|3.324}}
| arg_peri                 = {{val|315.896|6.522|6.555|u=deg}}
| semi-amplitude           = {{val|100.067|1.277|1.286|ul=m/s}}
| star                     = [[Astronomy:HD 125612|HD 125612]]
| inclination              = {{val|88.195|16.306|15.980|u=deg}}
| asc_node                 = {{val|266.997|22.666|22.900|u=deg}}
<!-- PHYS CHARS          --> 
| physical_ref             = <ref name="Feng2022"/>
| mass                     = {{val|7.178|0.932|0.445|ul=Jupiter mass}}
<!-- ATMOSPHERE          --> 
<!-- NOTES               --> 
}}
'''HD 125612 d''' is an extrasolar planet which orbits the G-type [[Astronomy:Main sequence|main sequence]] [[Astronomy:Star|star]] [[Astronomy:HD 125612|HD 125612]], located approximately 172 [[Light year|light year]]s away in the [[Astronomy:Constellation|constellation]] [[Astronomy:Virgo (constellation)|Virgo]]. The discovery of this planet was announced by the HARPS team on October 19, 2009, together with 31 other planets, including [[Astronomy:HD 125612 c|HD 125612 c]].<ref name="eso0939"/>

In 2022, the true mass and inclination of HD 125612 d were measured via [[Astronomy:Astrometry|astrometry]].<ref name="Feng2022"/>

==References==
{{reflist|refs=

<ref name="eso0939">{{cite press release | title=32 New Exoplanets Found | date=2009-10-19 | publisher=[[Organization:European Southern Observatory|European Southern Observatory]] | url=https://www.eso.org/public/news/eso0939/ | accessdate=2018-12-22 }}</ref>

<!--<ref name="Ment2018">{{cite journal | title=Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810 | last1=Ment | first1=Kristo | last2=Fischer | first2=Debra A. | last3=Bakos | first3=Gaspar | last4=Howard | first4=Andrew W. | last5=Isaacson | first5=Howard | display-authors=1 | journal=The Astronomical Journal | volume=156 | issue=5 | at=213 | year=2018 | arxiv=1809.01228 | bibcode=2018AJ....156..213M | doi=10.3847/1538-3881/aae1f5 }}</ref>-->

<ref name="Feng2022">{{cite journal |last1=Feng |first1=Fabo |last2=Butler |first2=R. Paul |display-authors=0 |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>

}}

{{Sky|14|20|53.5147|-|17|28|53.475|172.28}}

[[Category:Exoplanets detected by radial velocity]]
[[Category:Giant planets]]
[[Category:Virgo (constellation)]]



{{Sourceattribution|HD 125612 d}}