羅斯128

**羅斯128**
觀測資料; 曆元 J2000
星座	室女座
星官
赤經	11h 47m 44.3964s
赤緯	+00° 48′ 16″
視星等（V）	11.13
特性
光谱分类	M4 V
U−B 色指数	2.685
B−V 色指数	1.59
变星类型	閃焰星
天体测定
徑向速度 (Rv)	-13 km/s
自行 (μ)	赤经：605.66 mas/yr ; 赤纬：-1219.32 mas/yr
视差 (π)	299.59 ± 2.20 mas
距离	10.89 ± 0.08 ly ; (3.34 ± 0.02 pc)
绝对星等 (MV)	13.51
詳細資料
質量	0.15 M☉
半徑	0.21 R☉
表面重力 (log g)	3.40
亮度	0.00029[來源請求] L☉
溫度	3,180 K
其他命名
	FI Virginis, FI Vir, GCTP 2730, LHS 315, GJ 447, G 010-050, Vyssotsky（英语：Alexander N. Vyssotsky） 286, LTT 13240, LFT 852, HIP 57548.

羅斯128是一顆紅矮星，是恆星中第11靠近太陽系的恆星系，距離是10.89光年。它在1926年首度被法蘭克·埃爾莫爾·羅斯記錄在星表中^[9]。

事实速览 觀測資料曆元 J2000, 特性 ...

关闭

這是一顆老的銀盤面星，這意味著它是低金屬量星，並且軌道接近銀河的平面^[10]。由於它在數分鐘內的週期內光度就會不可預知的顯著增加，因此被分類為一顆活動中的閃焰星^[11]。因為閃焰活動的頻率不高，它被認為是一顆被磁化的恆星，也就是有一些證據顯示恆星的星風有一些磁制動使閃焰的頻率降低，但不能確認是否淨效應^[12]。

在研究這顆恆星的多個場合的案例中顯示，這顆恆星有一顆伴星是低質量的棕矮星，在距離主星至少1天文單位的軌道上環繞者，但是迄今尚未發現任何伴星^[13]^[14]。這顆恆星也缺乏額外的紅外線輻射，而過量的紅外線輻射通常是有塵埃環在軌道中環繞恆星的指標^[15]^[16]。

羅斯128環繞銀河的軌道與銀河核心的距離從8.22至10.49千秒差距變化，軌道離心率是0.122^[17]。這個軌道會使這顆恆星在未來會更接近太陽系，大約在71,000年之後，它與太陽系的距離大約是1.911 ± 0.026秒差距.^[18]。

更多信息 成員 (依恆星距離), 质量 ...

羅斯128的行星系^[19]^[20]
成員 (依恆星距離)	质量	半長軸 (AU)	轨道周期 (天)	離心率	傾角	半径
b	7000180000000000000♠1.8+0.56 −0.43 M_⊕	6998492999999999999♠0.0493±0.0017	7000985960000000000♠9.8596±0.0056	6998360000000000000♠0.036±0.092	—	7000160000000000000♠1.6+1.1 −0.65 R_⊕

关闭

恆星距離列表
科幻中的羅斯128（英语：Stars and planetary systems in fiction）

[1]
Perryman, M. A. C.; et al. The HIPPARCOS Catalogue. Astronomy & Astrophysics. April 1997, 323: L49–L52. Bibcode:1997A&A...323L..49P.
[2]
The One Hundred Nearest Star Systems. Research Consortium on Nearby Stars. 2009-01-01 [2009-09-03]. （原始内容存档于2012-05-14）.
[3]
Gautier, T. N.; et al. Far Infrared Properties of M Dwarfs. Bulletin of the American Astronomical Society: 1431. Bibcode:2004AAS...205.5503G.
[4]
Rufener, F. Second catalogue of stars measured in the Geneva Observatory photometric system. Astronomy & Astrophysics Supplement Series. October 1976, 26: 275–351. Bibcode:1976A&AS...26..275R.
[5]
Warren, W. H., Jr. Photoelectric Photometric Catalogue of Homogeneous Means in the UBV System. Observatory (Geneva). 1978.
[6]
Wilson, Ralph Elmer, General catalogue of stellar radial velocities, Washington: Carnegie Institution of Washington, 1953, Bibcode:1953QB901.W495.....
[7]
Rodonò, Marcello. The Atmospheres of M Dwarfs: Observations. Washington: NASA. : 409–453. |booktitle=被忽略 (帮助)
[8]
White, Stephen M.; Jackson, Peter D.; Kundu, Mukul R. A VLA survey of nearby flare stars. Astrophysical Journal Supplement Series. December 1989, 71: 895–904. doi:10.1086/191401.
[9]
Ross, Frank E. New proper-motion stars, (second list). Astronomical Journal: 124–128. doi:10.1086/104699.
[10]
Sánchez, F. Vazquez, M. , 编. New windows to the universe 2. Cambridge University Press. 1990: 313. ISBN 052138429X.
[11]
Kunkel, W. E. Solar neighborhood flare stars - A review. Variable stars and stellar evolution; Proceedings of the Symposium. Moscow, USSR: D. Reidel Publishing Co: 15–46. July 29-August 4, 1974. Bibcode:1975IAUS...67...15K. 请检查|date=中的日期值 (帮助)
[12]
Skumanich, Andrew. Some evidence on the evolution of the flare mechanism in dwarf stars. Astrophysical Journal, Part 1. 1986-10-15, 309: 858–863. doi:10.1086/164654.
[13]
Hinz, Joannah L.; McCarthy, Donald W., Jr.; Simons, Doug A.; Henry, Todd J.; Kirkpatrick, J. Davy; McGuire, Patrick C. A Near-Infrared, Wide-Field, Proper-Motion Search for Brown Dwarfs. The Astronomical Journal. April 2002, 123 (4): 2027–2032. doi:10.1086/339555.
[14]
Schroeder, Daniel J. A Search for Faint Companions to Nearby Stars Using the Wide Field Planetary Camera 2. The Astronomical Journal. 2000, 119: 906–922. doi:10.1086/301227.
[15]
Jura, M.; et al. Mid-Infrared Spectra of Dust Debris around Main-Sequence Stars. The Astrophysical Journal Supplement Series. September 2004, 154 (1): 453–457. doi:10.1086/422975.
[16]
Gautier, Thomas N., III; et al. Far-Infrared Properties of M Dwarfs. The Astrophysical Journal. September 2007, 667 (1): 527–536. doi:10.1086/520667.
[17]
Allen, C.; Herrera, M. A. The galactic orbits of nearby UV Ceti stars. Revista Mexicana de Astronomia y Astrofisica. 1998, 34: 37–46 [2008-06-13]. （原始内容存档于2018-10-07）.
[18]
García-Sánchez, J.; Weissman, P. R.; Preston, R. A.; Jones, D. L.; Lestrade, J.-F.; Latham, D. W.; Stefanik, R. P.; Paredes, J. M. Stellar encounters with the solar system. Astronomy and Astrophysics. 2001, 379: 634–659. doi:10.1051/0004-6361:20011330.
^ 引用错误：没有为名为4-planet的参考文献提供内容
[20]
Tasker, Elizabeth J.; Laneuville, Matthieu; Guttenberg, Nicholas. Estimating Planetary Mass with Deep Learning. The Astronomical Journal. 7 January 2020, 159 (2): 41. Bibcode:2020AJ....159...41T. ISSN 1538-3881. S2CID 208267900. arXiv:1911.11035 . doi:10.3847/1538-3881/ab5b9e.

SolStation.com: Ross 128 （页面存档备份，存于互联网档案馆）

[hipparcos-1] [1]
Perryman, M. A. C.; et al. The HIPPARCOS Catalogue. Astronomy & Astrophysics. April 1997, 323: L49–L52. Bibcode:1997A&A...323L..49P.

[RECONS-2] [2]
The One Hundred Nearest Star Systems. Research Consortium on Nearby Stars. 2009-01-01 [2009-09-03]. （原始内容存档于2012-05-14）.

[baas36-3] [3]
Gautier, T. N.; et al. Far Infrared Properties of M Dwarfs. Bulletin of the American Astronomical Society: 1431. Bibcode:2004AAS...205.5503G.

[4] [4]
Rufener, F. Second catalogue of stars measured in the Geneva Observatory photometric system. Astronomy & Astrophysics Supplement Series. October 1976, 26: 275–351. Bibcode:1976A&AS...26..275R.

[5] [5]
Warren, W. H., Jr. Photoelectric Photometric Catalogue of Homogeneous Means in the UBV System. Observatory (Geneva). 1978.

[6] [6]
Wilson, Ralph Elmer, General catalogue of stellar radial velocities, Washington: Carnegie Institution of Washington, 1953, Bibcode:1953QB901.W495.....

[rodono-7] [7]
Rodonò, Marcello. The Atmospheres of M Dwarfs: Observations. Washington: NASA. : 409–453. |booktitle=被忽略 (帮助)

[8] [8]
White, Stephen M.; Jackson, Peter D.; Kundu, Mukul R. A VLA survey of nearby flare stars. Astrophysical Journal Supplement Series. December 1989, 71: 895–904. doi:10.1086/191401.

[9] [9]
Ross, Frank E. New proper-motion stars, (second list). Astronomical Journal: 124–128. doi:10.1086/104699.

[10] [10]
Sánchez, F. Vazquez, M. , 编. New windows to the universe 2. Cambridge University Press. 1990: 313. ISBN 052138429X.

[11] [11]
Kunkel, W. E. Solar neighborhood flare stars - A review. Variable stars and stellar evolution; Proceedings of the Symposium. Moscow, USSR: D. Reidel Publishing Co: 15–46. July 29-August 4, 1974. Bibcode:1975IAUS...67...15K. 请检查|date=中的日期值 (帮助)

[12] [12]
Skumanich, Andrew. Some evidence on the evolution of the flare mechanism in dwarf stars. Astrophysical Journal, Part 1. 1986-10-15, 309: 858–863. doi:10.1086/164654.

[13] [13]
Hinz, Joannah L.; McCarthy, Donald W., Jr.; Simons, Doug A.; Henry, Todd J.; Kirkpatrick, J. Davy; McGuire, Patrick C. A Near-Infrared, Wide-Field, Proper-Motion Search for Brown Dwarfs. The Astronomical Journal. April 2002, 123 (4): 2027–2032. doi:10.1086/339555.

[14] [14]
Schroeder, Daniel J. A Search for Faint Companions to Nearby Stars Using the Wide Field Planetary Camera 2. The Astronomical Journal. 2000, 119: 906–922. doi:10.1086/301227.

[15] [15]
Jura, M.; et al. Mid-Infrared Spectra of Dust Debris around Main-Sequence Stars. The Astrophysical Journal Supplement Series. September 2004, 154 (1): 453–457. doi:10.1086/422975.

[16] [16]
Gautier, Thomas N., III; et al. Far-Infrared Properties of M Dwarfs. The Astrophysical Journal. September 2007, 667 (1): 527–536. doi:10.1086/520667.

[17] [17]
Allen, C.; Herrera, M. A. The galactic orbits of nearby UV Ceti stars. Revista Mexicana de Astronomia y Astrofisica. 1998, 34: 37–46 [2008-06-13]. （原始内容存档于2018-10-07）.

[aaa379-18] [18]
García-Sánchez, J.; Weissman, P. R.; Preston, R. A.; Jones, D. L.; Lestrade, J.-F.; Latham, D. W.; Stefanik, R. P.; Paredes, J. M. Stellar encounters with the solar system. Astronomy and Astrophysics. 2001, 379: 634–659. doi:10.1051/0004-6361:20011330.

[4-planet-19] 引用错误：没有为名为4-planet的参考文献提供内容

[TaskerLaneuville2020-20] [20]
Tasker, Elizabeth J.; Laneuville, Matthieu; Guttenberg, Nicholas. Estimating Planetary Mass with Deep Learning. The Astronomical Journal. 7 January 2020, 159 (2): 41. Bibcode:2020AJ....159...41T. ISSN 1538-3881. S2CID 208267900. arXiv:1911.11035 . doi:10.3847/1538-3881/ab5b9e.

[9]

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

[17]

[18]

[19]

[20]

觀測資料曆元 J2000
星座	室女座
星官
赤經	11^h 47^m 44.3964^s^[1]
赤緯	+00° 48′ 16″^[1]
視星等（V）	11.13^[2]
特性
光谱分类	M4 V^[3]
U−B 色指数	2.685^[4]
B−V 色指数	1.59^[5]
变星类型	閃焰星
天体测定

徑向速度 (R_v)	-13^[6] km/s
自行 (μ)	赤经：605.66^[1] mas/yr 赤纬：-1219.32^[1] mas/yr
视差 (π)	299.59 ± 2.20^[1] mas
距离	10.89 ± 0.08 ly (3.34 ± 0.02 pc)
绝对星等 (M_V)	13.51^[2]

詳細資料

質量	0.15^[7] M_☉
半徑	0.21^[8] R_☉
表面重力 (log g)	3.40^[7]
亮度	0.00029^{[來源請求]} L_☉
溫度	3,180^[3] K

其他命名
FI Virginis, FI Vir, GCTP 2730, LHS 315, GJ 447, G 010-050, Vyssotsky（英语：Alexander N. Vyssotsky） 286, LTT 13240, LFT 852, HIP 57548.^[1]

觀測資料曆元 J2000
星座	室女座
星官
赤經	11^h 47^m 44.3964^s^[1]
赤緯	+00° 48′ 16″^[1]
視星等（V）	11.13^[2]
特性
光谱分类	M4 V^[3]
U−B 色指数	2.685^[4]
B−V 色指数	1.59^[5]
变星类型	閃焰星
天体测定

徑向速度 (R_v)	-13^[6] km/s
自行 (μ)	赤经：605.66^[1] mas/yr 赤纬：-1219.32^[1] mas/yr
视差 (π)	299.59 ± 2.20^[1] mas
距离	10.89 ± 0.08 ly (3.34 ± 0.02 pc)
绝对星等 (M_V)	13.51^[2]

詳細資料

質量	0.15^[7] M_☉
半徑	0.21^[8] R_☉
表面重力 (log g)	3.40^[7]
亮度	0.00029^{[來源請求]} L_☉
溫度	3,180^[3] K

其他命名
FI Virginis, FI Vir, GCTP 2730, LHS 315, GJ 447, G 010-050, Vyssotsky（英语：Alexander N. Vyssotsky） 286, LTT 13240, LFT 852, HIP 57548.^[1]

羅斯128

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羅斯128

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行星系統

相關條目

參考資料

外部連結