imported>InternetArchiveBot：补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.5

2023-06-12T21:48:52Z

补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.5

新页面

{{Sky|20|52|33.01679|-|16|58|29.0249|18.330}}
{{Starbox begin
|name=LP 816-60
}}
{{Starbox observe
|epoch=[[J2000]]
|constell=[[摩羯座]]
|ra={{RA|20|52|33.01679}}{{r|van Leeuwen2007}}
|dec={{dec|-16|58|29.0249}}{{r|van Leeuwen2007}}
|appmag_v=11.458{{r|Koen2010}}
}}
{{Starbox character
| class = M4<ref name=Montet2013/>
| b-v =
| u-b =
| variable =
}}
{{Starbox astrometry
|radial_v=8.5<ref>{{citation|arxiv=1804.07377|year=2018|title=The Solar Neighborhood XLIV: RECONS Discoveries within 10 parsecs|doi=10.3847/1538-3881/aac262 |last1=Henry |first1=Todd J. |last2=Jao |first2=Wei-Chun |last3=Winters |first3=Jennifer G. |last4=Dieterich |first4=Sergio B. |last5=Finch |first5=Charlie T. |last6=Ianna |first6=Philip A. |last7=Riedel |first7=Adric R. |last8=Silverstein |first8=Michele L. |last9=Subasavage |first9=John P. |last10=Vrijmoet |first10=Eliot Halley |journal=The Astronomical Journal |volume=155 |issue=6 |page=265 |bibcode=2018AJ....155..265H |s2cid=53983430 }}</ref>
| prop_mo_ra = -309.115
| prop_mo_dec = 37.051
| pm_footnote = <ref name=EDR3/>
|parallax=177.9312
|p_error=0.0365
|parallax_footnote=<ref name=EDR3>{{cite Gaia EDR3|6882963066420161664}}</ref>
|absmag_v=
}}
{{Starbox detail
| source = <ref>{{citation|arxiv=1501.01635|year=2015|title=How to Constrain Your M Dwarf: Measuring Effective Temperature, Bolometric Luminosity, Mass, and Radius|doi=10.1088/0004-637X/804/1/64 |last1=Mann |first1=Andrew W. |last2=Feiden |first2=Gregory A. |last3=Gaidos |first3=Eric |last4=Boyajian |first4=Tabetha |last5=Braun |first5=Kaspar von |journal=The Astrophysical Journal |volume=804 |issue=1 |page=64 |bibcode=2015ApJ...804...64M |s2cid=19269312 }}</ref>
| mass = 0.224{{±|0.022}}
| radius = 0.266{{±|0.012}}
| luminosity = 
| luminosity_bolometric = 
| luminosity_visual = 
| gravity = 4.584<ref name=Hojjatpanah2019/>
| temperature = 3030{{±|27}}<ref name=Karnavas2020>{{citation|arxiv=2002.09367|year=2020|title=ODUSSEAS: A machine learning tool to derive effective temperature and metallicity for M dwarf stars|doi=10.1051/0004-6361/201937194 |last1=Antoniadis-Karnavas |first1=A. |last2=Sousa |first2=S. G. |last3=Delgado-Mena |first3=E. |last4=Santos |first4=N. C. |last5=Teixeira |first5=G. D. C. |last6=Neves |first6=V. |journal=Astronomy & Astrophysics |volume=636 |pages=A9 |bibcode=2020A&A...636A...9A |s2cid=211252698 }}</ref>
| metal_fe = -0.11{{±|0.07}}<ref name=Karnavas2020/>
| rotation = 67.6{{±|0.1}} [[day|d]].<ref name=Mascareno2016/>
| rotational_velocity = 2.70{{±|0.66}}<ref name=Hojjatpanah2019>{{citation|year=2019|title=Catalog for the ESPRESSO blind radial velocity exoplanet survey |doi=10.1051/0004-6361/201834729 |arxiv=1908.04627|last1=Hojjatpanah |first1=S. |last2=Figueira |first2=P. |last3=Santos |first3=N. C. |last4=Adibekyan |first4=V. |last5=Sousa |first5=S. G. |last6=Delgado-Mena |first6=E. |last7=Alibert |first7=Y. |last8=Cristiani |first8=S. |last9=González Hernández |first9=J. I. |last10=Lanza |first10=A. F. |last11=Di Marcantonio |first11=P. |last12=Martins |first12=J. H. C. |last13=Micela |first13=G. |last14=Molaro |first14=P. |last15=Neves |first15=V. |last16=Oshagh |first16=M. |last17=Pepe |first17=F. |last18=Poretti |first18=E. |last19=Rojas-Ayala |first19=B. |last20=Rebolo |first20=R. |last21=Suárez Mascareño |first21=A. |last22=Zapatero Osorio |first22=M. R. |journal=Astronomy & Astrophysics |volume=629 |pages=A80 |bibcode=2019A&A...629A..80H |s2cid=199552090 }}</ref>
| age_gyr = 2.57{{±|8.15|1.95}}
}}
{{Starbox catalog|names={{Odlist
|LP=816-60
|NLTT=50038<ref name="Luyten1979 NLTT">{{cite web|url=http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-source=I/98A&recno=50038|title=NLTT 50038|work=NLTT Catalogue|author=Luyten, Willem Jacob|year=1979|access-date=2023-03-21|archive-date=2016-03-04|archive-url=https://web.archive.org/web/20160304041622/http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-source=I/98A&recno=50038|dead-url=no}}</ref>
|HIP=103039<ref name="van Leeuwen2007">{{cite web|url=http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-source=I/239/hip_main&HIP=103039|title=HIP 103039|work=The Hipparcos and Tycho Catalogues|author=Perryman|year=1997|display-authors=etal|access-date=2014-11-29|archive-date=2016-03-04|archive-url=https://web.archive.org/web/20160304210355/http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-source=I/239/hip_main&HIP=103039|dead-url=no}}</ref>
|TYC=6348-400-1<ref name="Perryman1997_tyc">{{cite web|url=http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-source=I/239/tyc_main&HIP=103039|title=HIP 103039|work=The Hipparcos and Tycho Catalogues|author=Perryman|year=1997|display-authors=etal|access-date=2014-11-29|archive-date=2016-03-04|archive-url=https://web.archive.org/web/20160304205914/http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-source=I/239/tyc_main&HIP=103039|dead-url=no}}</ref>
|2MASS=J20523304-1658289
}}}}
{{Starbox reference
|Simbad=LP+816-60
}}
{{Starbox image
|image={{Location map|100x100|AlternativeMap=Capricornus_constellation_map.svg
|alt=LP 816-60 is located in the constellation Capricornus
|caption=LP 816-60在摩羯座的位置|border=infobox|mark=Red_pog.png|width=300
|label=LP 816-60
|lat=46.5
|long=55.5
}}|caption=
}}
{{Starbox end}}

'''LP 816-60'''是一顆位於摩羯座的紅矮星<ref name=Montet2013>{{citation|arxiv=1307.5849|year=2013|title=The Trends High-Contrast Imaging Survey. Iv. The Occurrence Rate of Giant Planets Around M Dwarfs|doi=10.1088/0004-637X/781/1/28 |last1=Montet |first1=Benjamin T. |last2=Crepp |first2=Justin R. |last3=Johnson |first3=John Asher |last4=Howard |first4=Andrew W. |last5=Marcy |first5=Geoffrey W. |journal=The Astrophysical Journal |volume=781 |page=28 |s2cid=26620552 }}</ref> ，光譜類型為M4，距離地球18.6光年。{{r|van Leeuwen2007}}

==物理特性==
在LP 816-60周圍沒有檢測到大質量行星。<ref name=Montet2013/>這顆恆星的[[星斑]]週期為10.6年，<ref name=Mascareno2016>{{citation|arxiv=1607.03049|year=2016|title=Magnetic cycles and rotation periods of late-type stars from photometric time series|doi=10.1051/0004-6361/201628586 |last1=Suárez Mascareño |first1=A. |last2=Rebolo |first2=R. |last3=González Hernández |first3=J. I. |journal=Astronomy & Astrophysics |volume=595 |pages=A12 |bibcode=2016A&A...595A..12S |s2cid=118555782 }}</ref>色球層的弱磁場平均為4.4[[高斯_(单位)|G]]。<ref>{{citation|arxiv=1709.01650|year=2017|title=SPIRou input catalogue: Activity, rotation and magnetic field of cool dwarfs|doi=10.1093/mnras/stx2306 |last1=Moutou |first1=C. |last2=Hébrard |first2=E. M. |last3=Morin |first3=J. |last4=Malo |first4=L. |last5=Fouqué |first5=P. |last6=Torres-Rivas |first6=A. |last7=Martioli |first7=E. |last8=Delfosse |first8=X. |last9=Artigau |first9=E. |last10=Doyon |first10=R. |journal=Monthly Notices of the Royal Astronomical Society |volume=472 |issue=4 |pages=4563–4586 }}</ref>

==參考==
{{reflist|refs=
<ref name="Koen2010">{{cite journal |last1=Koen |first1=C. |last2=Kilkenny |first2=D. |last3=van Wyk |first3=F. |last4=Marang |first4=F. |title=UBV(RI)C JHK observations of Hipparcos-selected nearby stars |year=2010 |journal=[[Monthly Notices of the Royal Astronomical Society]] |volume=403 | issue=4 | pages=1949–1968 |doi=10.1111/j.1365-2966.2009.16182.x |bibcode=2010MNRAS.403.1949K|doi-access=free }}</ref>

}}

{{Nearest star systems|4}}
{{Stars of Capricornus}}

{{DEFAULTSORT:LP 816-60}}
[[Category:摩羯座]]
[[Category:紅矮星]]
[[Category:2MASS天體|J20523304-1658289]]
[[Category:大熊座移動星群]]
[[Category:HIP天體|103039]]

LP 816-60 - 版本历史

imported>InternetArchiveBot：​补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.5

imported>InternetArchiveBot：补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.5