{{Use dmy dates|date=June 2023}} {{Short description|Star in the constellation Boötes}} {{Sky|15|46|53.8135|+|46|59|10.5407}} {{Starbox begin}} {{Starbox image | image=[[Image:Habitable zone in the HD 141399 system.jpg|270px]] | caption=Habitable zone in the HD 141399 system<ref name="Kane2023"/> }} {{Starbox observe | epoch = J2000 | constell = [[Boötes]]<ref name=xhip/> | ra = {{RA|15|46|53.8132}}<ref name=DR3/> | dec = {{DEC|+46|59|10.543}}<ref name=DR3/> | appmag_v = 7.20<ref name=soubiran2018/> }} {{Starbox character | type = [[subgiant]]<ref name=DR3/> | class = K0<ref name=mk/> | b-v=0.73{{±|0.04}}<ref name=Hebrard2016/> }} {{Starbox astrometry | radial_v = −21.9{{±|0.2}}<ref name=DR3/> | prop_mo_ra = −108.119<ref name=DR3/> | prop_mo_dec = +6.040<ref name=DR3/> | parallax = 26.9888 | p_error = 0.0146 | parallax_footnote = <ref name=DR3>{{cite Gaia DR3|1398218223733415552}}</ref> | absmag_v = +4.4<ref>{{cite journal |bibcode=2018A&A...616A.108B |title=Chromospheric activity catalogue of 4454 cool stars. Questioning the active branch of stellar activity cycles |last1=Boro Saikia |first1=S. |last2=Marvin |first2=C. J. |last3=Jeffers |first3=S. V. |last4=Reiners |first4=A. |last5=Cameron |first5=R. |last6=Marsden |first6=S. C. |last7=Petit |first7=P. |last8=Warnecke |first8=J. |last9=Yadav |first9=A. P. |journal=Astronomy and Astrophysics |date=2018 |volume=616 |doi=10.1051/0004-6361/201629518 |arxiv=1803.11123 }}</ref> }} {{Starbox detail | source = | mass = 1.09{{±|0.08}}<ref name=Sousa2018>{{citation|arxiv=1810.08108|year=2018|title=SWEET-Cat updated|doi=10.1051/0004-6361/201833350|last1=Sousa|first1=S. G.|last2=Adibekyan|first2=V.|last3=Delgado-Mena|first3=E.|last4=Santos|first4=N. C.|last5=Andreasen|first5=D. T.|last6=Ferreira|first6=A. C. S.|last7=Tsantaki|first7=M.|last8=Barros|first8=S. C. C.|last9=Demangeon|first9=O.|last10=Israelian|first10=G.|last11=Faria|first11=J. P.|last12=Figueira|first12=P.|last13=Mortier|first13=A.|last14=Brandão|first14=I.|last15=Montalto|first15=M.|last16=Rojas-Ayala|first16=B.|last17=Santerne|first17=A.|journal=Astronomy & Astrophysics|volume=620|pages=A58|bibcode=2018A&A...620A..58S |s2cid=119374557}}</ref> | radius = 1.46{{±|0.15}}<ref name=Vogt2014/> | temperature = 5,602{{±|34}}<ref name=Sousa2018/> | luminosity = 1.59{{±|0.39}}<ref name=Vogt2014/> | habitable_inner = 0.974–1.233 [[Astronomical unit|AU]] <ref name="Kane2023"/> | habitable_outer = 2.190–2.309 [[Astronomical unit|AU]] <ref name="Kane2023"/> | gravity = 4.24{{±|0.05}}<ref name=Sousa2018/> | metal_fe = 0.36{{±|0.03}}<ref name=Sousa2018/> | rotation = 49{{±|12}}<ref name=Hebrard2016/> | rotational_velocity = 2.9{{±|1.0}}<ref name=Hebrard2016/> | age_gyr = 7.23<ref>{{cite journal |bibcode=2021ApJ...919..138T |title=Further Evidence for Tidal Spin-up of Hot Jupiter Host Stars |last1=Tejada Arevalo |first1=Roberto A. |last2=Winn |first2=Joshua N. |last3=Anderson |first3=Kassandra R. |journal=The Astrophysical Journal |date=2021 |volume=919 |issue=2 |page=138 |doi=10.3847/1538-4357/ac1429 |doi-access=free |arxiv=2107.05759 }}</ref> }} {{Starbox catalog | names = {{odlist|BD=+47 2267|GSC=03490-00928|2MASS = J15465382+4659105|TYC=3490-928-1|HIP=77301}}<ref name=SIMBAD>{{cite simbad|title=HD 141399|accessdate=2021-05-06}}</ref> }} {{Starbox reference | Simbad = HD+141399 | NSTED = HD-141399 }} {{Starbox end}}

'''HD 141399''' is a [[K-type star|K-type]] [[subgiant star]] 121 light-years away in the constellation of [[Boötes]]. Its surface temperature is 5602 [[Kelvin|K]]. HD 141399 is enriched in heavy elements compared to the [[Sun]], with a [[metallicity]] Fe/H index of 0.36{{±|0.03}}.<ref name=Sousa2018/> The star has very low [[starspot]] activity.<ref name=Hebrard2016/>

==Planetary system== In 2014, four planets orbiting HD 141399 were discovered by the [[radial velocity method]].<ref name=Vogt2014>{{citation|arxiv=1404.7462|year=2014|title=A Four-Planet System Orbiting the K0V Star Hd 141399|doi=10.1088/0004-637X/787/2/97|last1=Vogt|first1=Steven S.|last2=Butler|first2=R. Paul|last3=Rivera|first3=Eugenio J.|last4=Kibrick|first4=Robert|last5=Burt|first5=Jennifer|last6=Hanson|first6=Russell|last7=Meschiari|first7=Stefano|last8=Henry|first8=Gregory W.|last9=Laughlin|first9=Gregory|journal=The Astrophysical Journal|volume=787|issue=2|page=97|bibcode=2014ApJ...787...97V|s2cid=10477331}}</ref> Planet [[HD 141399c]] is possibly located within the habitable zone.<ref name=Hebrard2016>{{Cite journal |doi=10.1051/0004-6361/201527585 |display-authors=11 |date=1 April 2016 |title=The SOPHIE search for northern extrasolar planets. X. Detection and characterization of giant planets by the dozen |journal=Astronomy and Astrophysics |volume=588 |pages=A145 |issn=0004-6361 |arxiv=1602.04622 |bibcode=2016A&A...588A.145H |s2cid=55138055 |last1=Hébrard |first1=G. |last2=Arnold |first2=L. |last3=Forveille |first3=T. |last4=Correia |first4=A. C. M. |last5=Laskar |first5=J. |last6=Bonfils |first6=X. |last7=Boisse |first7=I. |last8=Díaz |first8=R. F. |last9=Hagelberg |first9=J. |last10=Sahlmann |first10=J. |last11=Santos |first11=N. C. |last12=Astudillo-Defru |first12=N. |last13=Borgniet |first13=S. |last14=Bouchy |first14=F. |last15=Bourrier |first15=V. |last16=Courcol |first16=B. |last17=Delfosse |first17=X. |last18=Deleuil |first18=M. |last19=Demangeon |first19=O. |last20=Ehrenreich |first20=D. |last21=Gregorio |first21=J. |last22=Jovanovic |first22=N. |last23=Labrevoir |first23=O. |last24=Lagrange |first24=A.-M. |last25=Lovis |first25=C. |last26=Lozi |first26=J. |last27=Moutou |first27=C. |last28=Montagnier |first28=G. |last29=Pepe |first29=F. |last30=Rey |first30=J. }}</ref> The planetary orbits are close to high-order [[orbital resonance|mean-motion resonance]]<ref name=Agnew2018>{{citation|arxiv=1809.03730|year=2018|title=Prospecting for exo-Earths in multiple planet systems with a gas giant|doi=10.1093/mnras/sty2509|last1=Agnew|first1=Matthew T.|last2=Maddison|first2=Sarah T.|last3=Horner|first3=Jonathan|journal=Monthly Notices of the Royal Astronomical Society|volume=481|issue=4|pages=4680–4697|doi-access=free }}</ref> and closely conform to the [[Titius–Bode law]]. Two additional planets, one with a period of 462.9 days, are suspected by analogy with the orbits of the [[Solar System]] planets.<ref>{{citation|arxiv=2003.05121|year=2020|title=The reliability of the Titius–Bode relation and its implications for the search for exoplanets|doi=10.1093/pasj/psz146|last1=Allen|first1=Christine|author1-link=Christine Allen (astronomer)|last2=Cordero-Tercero|first2=Guadalupe|last3=Lara|first3=Patricia|journal=Publications of the Astronomical Society of Japan|volume=72|issue=2}}</ref> The planetary orbits around HD 141399 are expected to "jump" periodically on a timescale of a few million years between several quasi-stable configurations due to planet-planet interactions.<ref name=Agnew2018/> HD 141399 is one of only two known planetary systems consisting of at least four massive gas giants (the other is the system of planets around the young star [[HR 8799]]).<ref>{{Cite web |author=Staff News |date=2023-10-31 |title=Giant Exoplanets Are Potential 'Agents of Chaos' in Multiplanet Systems, Astronomers Say {{!}} Sci.News |url=https://www.sci.news/astronomy/giant-exoplanets-12407.html |access-date=2023-11-05 |website=Sci.News: Breaking Science News |language=en-US}}</ref>

{{OrbitboxPlanet begin | name = HD 141399 | table_ref =<ref name=Hebrard2016/> }} {{OrbitboxPlanet | exoplanet = [[HD 141399b|b]] | mass = 0.451{{±|0.030}} | radius = | semimajor = 0.415{{±|0.011}} | period = 94.44{{±|0.05}} | eccentricity = 0.04{{±|0.02}} | inclination = }} {{OrbitboxPlanet | exoplanet = [[HD 141399c|c]] | mass = 1.33{{±|0.08}} | radius = | semimajor = 0.689{{±|0.02}} | period = 201.99{{±|0.08}} | eccentricity = 0.048{{±|0.009}} | inclination = }} {{OrbitboxPlanet | exoplanet = [[HD 141399d|d]] | mass = 1.18{{±|0.08}} | radius = | semimajor = 2.09{{±|0.06}} | period = 1069.8{{±|6.7}} | eccentricity = 0.074{{±|0.025}} | inclination = }} {{OrbitboxPlanet | exoplanet = [[HD 141399e|e]] | mass = 0.66{{±|0.10}} | radius = | semimajor = 5.0{{±|1.5}} | period = 3370{{±|90}} | eccentricity = <0.1 | inclination = }} {{Orbitbox end}}

==References== {{Reflist|refs=

<ref name=soubiran2018>{{cite journal |bibcode=2018A&A...616A...7S |title=Gaia Data Release 2. The catalogue of radial velocity standard stars |last1=Soubiran |first1=C. |last2=Jasniewicz |first2=G. |last3=Chemin |first3=L. |last4=Zurbach |first4=C. |last5=Brouillet |first5=N. |last6=Panuzzo |first6=P. |last7=Sartoretti |first7=P. |last8=Katz |first8=D. |last9=Le Campion |first9=J. -F. |last10=Marchal |first10=O. |last11=Hestroffer |first11=D. |last12=Thévenin |first12=F. |last13=Crifo |first13=F. |last14=Udry |first14=S. |last15=Cropper |first15=M. |last16=Seabroke |first16=G. |last17=Viala |first17=Y. |last18=Benson |first18=K. |last19=Blomme |first19=R. |last20=Jean-Antoine |first20=A. |last21=Huckle |first21=H. |last22=Smith |first22=M. |last23=Baker |first23=S. G. |last24=Damerdji |first24=Y. |last25=Dolding |first25=C. |last26=Frémat |first26=Y. |last27=Gosset |first27=E. |last28=Guerrier |first28=A. |last29=Guy |first29=L. P. |last30=Haigron |first30=R. |journal=Astronomy and Astrophysics |date=2018 |volume=616 |doi=10.1051/0004-6361/201832795 |arxiv=1804.09370 |display-authors=1 }}</ref>

<ref name=mk>{{cite journal |bibcode=1993yCat.3135....0C |title=VizieR Online Data Catalog: Henry Draper Catalogue and Extension (Cannon+ 1918-1924; ADC 1989) |last1=Cannon |first1=A. J. |last2=Pickering |first2=E. C. |journal=Vizier Online Data Catalog |date=1993 }}</ref>

<ref name=xhip>{{cite journal |bibcode=2012AstL...38..331A |title=XHIP: An extended hipparcos compilation |last1=Anderson |first1=E. |last2=Francis |first2=Ch. |journal=Astronomy Letters |date=2012 |volume=38 |issue=5 |page=331 |doi=10.1134/S1063773712050015 |arxiv=1108.4971 }}</ref>

<ref name="Kane2023">{{cite journal | title=Surrounded by Giants: Habitable Zone Stability within the HD 141399 System | date=2023 | last1=Kane | first1=Stephen R. | journal=The Astronomical Journal | volume=166 | issue=5 | page=<!-- to prevent citation bot adding nonexistent page number--> | article-number=187 | arxiv=2310.00860 | bibcode=2023AJ....166..187K | bibcode-access=free | doi=10.3847/1538-3881/acfb01 | doi-access=free }}</ref>

}}

{{Boötes}}

{{DEFAULTSORT:HD 141399}} [[Category:Boötes]] [[Category:K-type subgiants]] [[Category:Planetary systems with four confirmed planets]] [[Category:Hipparcos objects|077301]] [[Category:Durchmusterung objects|BD+47 2267]] [[Category:Henry Draper Catalogue objects|141399]]