LP 816-60

**LP 816-60**
觀測資料; 曆元 J2000
星座	摩羯座
星官
赤經	20h 52m 33.01679s
赤緯	-16° 58′ 29.0249″
視星等（V）	11.458
特性
光谱分类	M4
天体测定
徑向速度 (Rv)	8.5 km/s
自行 (μ)	赤经：-309.115 mas/yr ; 赤纬：37.051 mas/yr
视差 (π)	177.9312 ± 0.0365 mas
距离	18.330 ± 0.004 ly ; (5.620 ± 0.001 pc)
詳細資料
質量	0.224+0.022; − M☉
半徑	0.266+0.012; − R☉
表面重力 (log g)	4.584
溫度	3030+27; − K
金属量 [Fe/H]	-0.11+0.07; − dex
自轉	67.6+0.1; − d.
自轉速度 (v sin i)	2.70+0.66; − km/s
年齡	2.57+8.15; −1.95 Gyr
其他命名
	HIP 103039、LP 816-60、NLTT 50038、TYC 6348-400-1、2MASS J20523304-1658289
參考資料庫
SIMBAD	资料
	LP 816-60 LP 816-60在摩羯座的位置;

LP 816-60是一顆位於摩羯座的紅矮星^[3] ，光譜類型為M4，距離地球18.6光年。^[1]

物理特性

在LP 816-60周圍沒有檢測到大質量行星。^[3]這顆恆星的星斑週期為10.6年，^[9]色球層的弱磁場平均為4.4G。^[12]

參考

^ ^1.0 ^1.1 ^1.2 ^1.3 Perryman; et al. HIP 103039. The Hipparcos and Tycho Catalogues. 1997 [2014-11-29]. （原始内容存档于2016-03-04）.
^ Koen, C.; Kilkenny, D.; van Wyk, F.; Marang, F. UBV(RI)C JHK observations of Hipparcos-selected nearby stars. Monthly Notices of the Royal Astronomical Society. 2010, 403 (4): 1949–1968. Bibcode:2010MNRAS.403.1949K. doi:10.1111/j.1365-2966.2009.16182.x .
^ ^3.0 ^3.1 ^3.2 Montet, Benjamin T.; Crepp, Justin R.; Johnson, John Asher; Howard, Andrew W.; Marcy, Geoffrey W., The Trends High-Contrast Imaging Survey. Iv. The Occurrence Rate of Giant Planets Around M Dwarfs, The Astrophysical Journal, 2013, 781: 28, S2CID 26620552, arXiv:1307.5849 , doi:10.1088/0004-637X/781/1/28
^ Henry, Todd J.; Jao, Wei-Chun; Winters, Jennifer G.; Dieterich, Sergio B.; Finch, Charlie T.; Ianna, Philip A.; Riedel, Adric R.; Silverstein, Michele L.; Subasavage, John P.; Vrijmoet, Eliot Halley, The Solar Neighborhood XLIV: RECONS Discoveries within 10 parsecs, The Astronomical Journal, 2018, 155 (6): 265, Bibcode:2018AJ....155..265H, S2CID 53983430, arXiv:1804.07377 , doi:10.3847/1538-3881/aac262
^ Brown, A. G. A.; et al. Gaia Early Data Release 3: Summary of the contents and survey properties. Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533 . doi:10.1051/0004-6361/202039657 . 已忽略未知参数|collaboration= (帮助) (勘误: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
^ Mann, Andrew W.; Feiden, Gregory A.; Gaidos, Eric; Boyajian, Tabetha; Braun, Kaspar von, How to Constrain Your M Dwarf: Measuring Effective Temperature, Bolometric Luminosity, Mass, and Radius, The Astrophysical Journal, 2015, 804 (1): 64, Bibcode:2015ApJ...804...64M, S2CID 19269312, arXiv:1501.01635 , doi:10.1088/0004-637X/804/1/64
^ ^7.0 ^7.1 Hojjatpanah, S.; Figueira, P.; Santos, N. C.; Adibekyan, V.; Sousa, S. G.; Delgado-Mena, E.; Alibert, Y.; Cristiani, S.; González Hernández, J. I.; Lanza, A. F.; Di Marcantonio, P.; Martins, J. H. C.; Micela, G.; Molaro, P.; Neves, V.; Oshagh, M.; Pepe, F.; Poretti, E.; Rojas-Ayala, B.; Rebolo, R.; Suárez Mascareño, A.; Zapatero Osorio, M. R., Catalog for the ESPRESSO blind radial velocity exoplanet survey, Astronomy & Astrophysics, 2019, 629: A80, Bibcode:2019A&A...629A..80H, S2CID 199552090, arXiv:1908.04627 , doi:10.1051/0004-6361/201834729
^ ^8.0 ^8.1 Antoniadis-Karnavas, A.; Sousa, S. G.; Delgado-Mena, E.; Santos, N. C.; Teixeira, G. D. C.; Neves, V., ODUSSEAS: A machine learning tool to derive effective temperature and metallicity for M dwarf stars, Astronomy & Astrophysics, 2020, 636: A9, Bibcode:2020A&A...636A...9A, S2CID 211252698, arXiv:2002.09367 , doi:10.1051/0004-6361/201937194
^ ^9.0 ^9.1 Suárez Mascareño, A.; Rebolo, R.; González Hernández, J. I., Magnetic cycles and rotation periods of late-type stars from photometric time series, Astronomy & Astrophysics, 2016, 595: A12, Bibcode:2016A&A...595A..12S, S2CID 118555782, arXiv:1607.03049 , doi:10.1051/0004-6361/201628586
^ Luyten, Willem Jacob. NLTT 50038. NLTT Catalogue. 1979 [2023-03-21]. （原始内容存档于2016-03-04）.
^ Perryman; et al. HIP 103039. The Hipparcos and Tycho Catalogues. 1997 [2014-11-29]. （原始内容存档于2016-03-04）.
^ Moutou, C.; Hébrard, E. M.; Morin, J.; Malo, L.; Fouqué, P.; Torres-Rivas, A.; Martioli, E.; Delfosse, X.; Artigau, E.; Doyon, R., SPIRou input catalogue: Activity, rotation and magnetic field of cool dwarfs, Monthly Notices of the Royal Astronomical Society, 2017, 472 (4): 4563–4586, arXiv:1709.01650 , doi:10.1093/mnras/stx2306

[van_Leeuwen2007-1] 1.0 ^1.1 ^1.2 ^1.3 Perryman; et al. HIP 103039. The Hipparcos and Tycho Catalogues. 1997 [2014-11-29]. （原始内容存档于2016-03-04）.

[Koen2010-2] Koen, C.; Kilkenny, D.; van Wyk, F.; Marang, F. UBV(RI)C JHK observations of Hipparcos-selected nearby stars. Monthly Notices of the Royal Astronomical Society. 2010, 403 (4): 1949–1968. Bibcode:2010MNRAS.403.1949K. doi:10.1111/j.1365-2966.2009.16182.x .

[Montet2013-3] 3.0 ^3.1 ^3.2 Montet, Benjamin T.; Crepp, Justin R.; Johnson, John Asher; Howard, Andrew W.; Marcy, Geoffrey W., The Trends High-Contrast Imaging Survey. Iv. The Occurrence Rate of Giant Planets Around M Dwarfs, The Astrophysical Journal, 2013, 781: 28, S2CID 26620552, arXiv:1307.5849 , doi:10.1088/0004-637X/781/1/28

[4] Henry, Todd J.; Jao, Wei-Chun; Winters, Jennifer G.; Dieterich, Sergio B.; Finch, Charlie T.; Ianna, Philip A.; Riedel, Adric R.; Silverstein, Michele L.; Subasavage, John P.; Vrijmoet, Eliot Halley, The Solar Neighborhood XLIV: RECONS Discoveries within 10 parsecs, The Astronomical Journal, 2018, 155 (6): 265, Bibcode:2018AJ....155..265H, S2CID 53983430, arXiv:1804.07377 , doi:10.3847/1538-3881/aac262

[EDR3-5] Brown, A. G. A.; et al. Gaia Early Data Release 3: Summary of the contents and survey properties. Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533 . doi:10.1051/0004-6361/202039657 . 已忽略未知参数|collaboration= (帮助) (勘误: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.

[6] Mann, Andrew W.; Feiden, Gregory A.; Gaidos, Eric; Boyajian, Tabetha; Braun, Kaspar von, How to Constrain Your M Dwarf: Measuring Effective Temperature, Bolometric Luminosity, Mass, and Radius, The Astrophysical Journal, 2015, 804 (1): 64, Bibcode:2015ApJ...804...64M, S2CID 19269312, arXiv:1501.01635 , doi:10.1088/0004-637X/804/1/64

[Hojjatpanah2019-7] 7.0 ^7.1 Hojjatpanah, S.; Figueira, P.; Santos, N. C.; Adibekyan, V.; Sousa, S. G.; Delgado-Mena, E.; Alibert, Y.; Cristiani, S.; González Hernández, J. I.; Lanza, A. F.; Di Marcantonio, P.; Martins, J. H. C.; Micela, G.; Molaro, P.; Neves, V.; Oshagh, M.; Pepe, F.; Poretti, E.; Rojas-Ayala, B.; Rebolo, R.; Suárez Mascareño, A.; Zapatero Osorio, M. R., Catalog for the ESPRESSO blind radial velocity exoplanet survey, Astronomy & Astrophysics, 2019, 629: A80, Bibcode:2019A&A...629A..80H, S2CID 199552090, arXiv:1908.04627 , doi:10.1051/0004-6361/201834729

[Karnavas2020-8] 8.0 ^8.1 Antoniadis-Karnavas, A.; Sousa, S. G.; Delgado-Mena, E.; Santos, N. C.; Teixeira, G. D. C.; Neves, V., ODUSSEAS: A machine learning tool to derive effective temperature and metallicity for M dwarf stars, Astronomy & Astrophysics, 2020, 636: A9, Bibcode:2020A&A...636A...9A, S2CID 211252698, arXiv:2002.09367 , doi:10.1051/0004-6361/201937194

[Mascareno2016-9] 9.0 ^9.1 Suárez Mascareño, A.; Rebolo, R.; González Hernández, J. I., Magnetic cycles and rotation periods of late-type stars from photometric time series, Astronomy & Astrophysics, 2016, 595: A12, Bibcode:2016A&A...595A..12S, S2CID 118555782, arXiv:1607.03049 , doi:10.1051/0004-6361/201628586

[Luyten1979_NLTT-10] Luyten, Willem Jacob. NLTT 50038. NLTT Catalogue. 1979 [2023-03-21]. （原始内容存档于2016-03-04）.

[Perryman1997_tyc-11] Perryman; et al. HIP 103039. The Hipparcos and Tycho Catalogues. 1997 [2014-11-29]. （原始内容存档于2016-03-04）.

[12] Moutou, C.; Hébrard, E. M.; Morin, J.; Malo, L.; Fouqué, P.; Torres-Rivas, A.; Martioli, E.; Delfosse, X.; Artigau, E.; Doyon, R., SPIRou input catalogue: Activity, rotation and magnetic field of cool dwarfs, Monthly Notices of the Royal Astronomical Society, 2017, 472 (4): 4563–4586, arXiv:1709.01650 , doi:10.1093/mnras/stx2306

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觀測資料曆元 J2000
星座	摩羯座
星官
赤經	20^h 52^m 33.01679^s^[1]
赤緯	-16° 58′ 29.0249″^[1]
視星等（V）	11.458^[2]
特性
光谱分类	M4^[3]
天体测定

徑向速度 (R_v)	8.5^[4] km/s
自行 (μ)	赤经：-309.115 mas/yr 赤纬：37.051 mas/yr
视差 (π)	177.9312 ± 0.0365^[5] mas
距离	18.330 ± 0.004 ly (5.620 ± 0.001 pc)

詳細資料 ^{^[6]}

質量	0.224+0.022 − M_☉
半徑	0.266+0.012 − R_☉
表面重力 (log g)	4.584^[7]
溫度	3030+27 −^[8] K
金属量 [Fe/H]	-0.11+0.07 −^[8] dex
自轉	67.6+0.1 − d.^[9]
自轉速度 (v sin i)	2.70+0.66 −^[7] km/s
年齡	2.57+8.15 −1.95 Gyr

其他命名
HIP 103039^[1]、LP 816-60、NLTT 50038^[10]、TYC 6348-400-1^[11]、2MASS J20523304-1658289
參考資料庫
SIMBAD	资料
LP 816-60 LP 816-60在摩羯座的位置

查论编摩羯座恒星
拜耳命名	α¹ α² β¹ β² γ δ ε ζ η θ ι κ λ μ ν ξ¹ ξ² ο¹ ο² π ρ σ τ¹ τ² υ φ χ ψ ω b c A
佛氏命名	1 (ξ¹) 2 (ξ²) 3 4 5 (α¹) 6 (α²) 7(σ) 8 (ν) 9 (β², β¹) 10 (π) 11 (ρ) 12 (ο², ο¹) 13 (τ¹) 14 (τ²) 15 (υ) 16 (ψ) 17 18 (ω) 19 20 21 22 (η) 23 (θ) 24 (A) 25 (χ) 26 27 28 (φ) 29 30 31 32(ι) 33 34 (ζ) 35 36 (b) 37 38 39 (ε) 40 (γ) 41 42 43 (κ) 44 45 46 (c) 47 48 (λ) 49 (δ) 50 51 (μ)
近星	LP 816-60
其他	牛宿增十牛宿增十二牛宿增十四天垒城增一垒壁阵增八摩羯座BB
摩羯座恒星列表

物理特性

參考

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