An excess of massive stars in the local 30 Doradus starburst

doi:10.1126/science.aan0106

GSTDTAP > 地球科学

DOI	10.1126/science.aan0106
	An excess of massive stars in the local 30 Doradus starburst
	Schneider, F. R. N.1; Sana, H.2; Evans, C. J.3; Bestenlehner, J. M.4,5; Castro, N.6; Fossati, L.7; Graefener, G.8; Langer, N.8; Ramirez-Agudelo, O. H.3; Sabin-Sanjulian, C.9; Simon-Diaz, S.10,11; Tramper, F.12; Crowther, P. A.5; de Koter, A.2,13; de Mink, S. E.13; Dufton, P. L.14; Garcia, M.15; Gieles, M.16; Henault-Brunet, V.17,18; Herrero, A.10,11; Izzard, R. G.16,19; Kalari, V.20; Lennon, D. J.12; Apellaniz, J. Maiz 21; Markova, N.22; Najarro, F.15; Podsiadlowski, Ph.1,8; Puls, J.23; Taylor, W. D.3; van Loon, J. Th.24; Vink, J. S.25; Norman, C.26,27
	2018-01-05
发表期刊	SCIENCE
ISSN	0036-8075
EISSN	1095-9203
出版年	2018
卷号	359 期号:6371 页码:69-71
文章类型	Article
语种	英语
国家	England; Belgium; Scotland; Germany; USA; Austria; Chile; Spain; Netherlands; North Ireland; Canada; Bulgaria
英文摘要	The 30 Doradus star-forming region in the Large Magellanic Cloud is a nearby analog of large star-formation events in the distant universe. We determined the recent formation history and the initial mass function (IMF) of massive stars in 30 Doradus on the basis of spectroscopic observations of 247 stars more massive than 15 solar masses (M-circle dot). The main episode of massive star formation began about 8 million years (My) ago, and the star-formation rate seems to have declined in the last 1 My. The IMF is densely sampled up to 200 M-circle dot and contains 32 +/- 12% more stars above 30 M-circle dot than predicted by a standard Salpeter IMF. In the mass range of 15 to 200 M-circle dot, the IMF power-law exponent is 1.90(-0.26)(+0.37), shallower than the Salpeter value of 2.35.
领域	地球科学 ; 气候变化 ; 资源环境
收录类别	SCI-E
WOS记录号	WOS:000419324700068
WOS关键词	LUMINOSITY FUNCTION ; 1ST STARS ; MILKY-WAY ; STELLAR ; GALAXIES ; CLUSTERS ; METALLICITY ; UNIVERSE ; DENSITY ; REGIONS
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
URL	查看原文
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/197678
专题	地球科学资源环境科学气候变化
作者单位	1.Univ Oxford, Dept Phys, Keble Rd, Oxford OX1 3RH, England; 2.Katholieke Univ Leuven, Inst Astrophys, Celestijnenlaan 200D, B-3001 Leuven, Belgium; 3.Royal Observ Edinburgh, UK Astron Technol Ctr, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland; 4.Max Planck Inst Astronomie, Konigstuhl 17, D-69117 Heidelberg, Germany; 5.Univ Sheffield, Dept Phys & Astron, Hicks Bldg,Hounsfield Rd, Sheffield S3 7RH, S Yorkshire, England; 6.Univ Michigan, Dept Astron, 1085 South Univ Ave, Ann Arbor, MI 48109 USA; 7.Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria; 8.Univ Bonn, Argelander Inst Astron, Hugel 71, D-53121 Bonn, Germany; 9.Univ La Serena, Dept Fis & Astron, Ave Juan Cisternas 1200 Norte, La Serena, Chile; 10.Inst Astrofis Canarias, E-38205 Tenerife, Spain; 11.Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain; 12.European Space Astron Ctr, Miss Operat Div, POB 78, Madrid 28691, Spain; 13.Univ Amsterdam, Astron Inst Anton Pannekoek, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands; 14.Queens Univ Belfast, Sch Math & Phys, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland; 15.INTA, CSIC, Ctr Astrobiol, Carretera Torrejon Ajalvir Km 4, E-28850 Madrid, Spain; 16.Univ Surrey, Dept Phys, Fac Engn & Phys Sci, Guildford GU2 7XH, Surrey, England; 17.Natl Res Council Herzberg Astron & Astrophys, 5071 West Saanich Rd, Victoria, BC V9E 2E7, Canada; 18.Radboud Univ Nijmegen, Dept Astrophys, Inst Math Astrophys & Particle Phys, POB 9010, NL-6500 GL Nijmegen, Netherlands; 19.The Observ, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England; 20.Univ Chile, Dept Astron, Camino El Observ 1515,Casilla 36-D, Santiago, Chile; 21.INTA, CSIC, Ctr Astrobiol, European Space Astron Ctr Campus, E-28692 Villanueva De La Canada, Spain; 22.Bulgarian Acad Sci, Inst Astron Natl Astron Observ, POB 136, Smoljan 4700, Bulgaria; 23.Ludwig Maximilians Univ Munchen, Univ Sternwarte, Scheinerstr 1, D-81679 Munich, Germany; 24.Keele Univ, Lennard Jones Labs, Keele ST5 5BG, Staffs, England; 25.Armagh Observ, Coll Hill, Armagh BT61 9DG, North Ireland; 26.Johns Hopkins Univ, Homewood Campus, Baltimore, MD 21218 USA; 27.Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
推荐引用方式 GB/T 7714	Schneider, F. R. N.,Sana, H.,Evans, C. J.,et al. An excess of massive stars in the local 30 Doradus starburst[J]. SCIENCE,2018,359(6371):69-71.
APA	Schneider, F. R. N..,Sana, H..,Evans, C. J..,Bestenlehner, J. M..,Castro, N..,...&Norman, C..(2018).An excess of massive stars in the local 30 Doradus starburst.SCIENCE,359(6371),69-71.
MLA	Schneider, F. R. N.,et al."An excess of massive stars in the local 30 Doradus starburst".SCIENCE 359.6371(2018):69-71.