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题名: GalevNB: a conversion from N-body simulations to observations
作者: Pang, XY ;  Olczak, C ;  Guo, DF ;  Spurzem, R ;  Kotulla, R
刊名: RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期: 2016
卷号: 16, 期号:3, 页码:37
关键词: stars: kinematics and dynamics ;  stars: C-M diagrams ;  stars: AGB and post-AGB ;  stars: white dwarf
学科分类: Astronomy & Astrophysics
DOI: http://dx.doi.org/10.1088/1674-4527/16/3/037
通讯作者: Pang, XY (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China. ;  Pang, XY (reprint author), Chinese Acad Sci, Key Lab Computat Astrophys, Beijing 100012, Peoples R China. ;  Pang, XY (reprint author), Shanghai Inst Technol, Shanghai 201418, Peoples R China. ;  Pang, XY (reprint author), Shanghai Normal Univ, Key Lab Astrophys, Shanghai 200234, Peoples R China.
文章类型: Article
英文摘要: We present Gal evNB (Galev for N-body simulations), a utility that converts fundamental stellar properties of N-body simulations into observational properties using the GALEV (GAlaxy EVolutionary synthesis models) package, and allowing direct comparisons between observations and N-body simulations. It works by converting fundamental stellar properties, such as stellar mass, temperature, luminosity and metallicity into observational magnitudes fora variety of filters used by mainstream instruments/telescopes, such as HST, ESO, SDSS, 2MASS, etc., and into spectra that span the range from far-UV (90 A) to near-IR (160 mu m). As an application, we use Gal evNB to investigate the secular evolution of the spectral energy distribution (SED) and color magnitude diagram (CMD) of a simulated star cluster over a few hundred million years. With the results given by Gal evNB we discover a UV-excess in the SED of the cluster over the whole simulation time. We also identify four candidates that contribute to the FUV peak: core helium burning stars, second asymptotic giant branch (AGB) stars, white dwarfs and naked helium stars.
类目[WOS]: Astronomy & Astrophysics
关键词[WOS]: LARGE-MAGELLANIC-CLOUD ;  EARLY-TYPE GALAXIES ;  MULTIPLE STELLAR POPULATIONS ;  HOT WHITE-DWARFS ;  OPEN CLUSTER M67 ;  STAR-CLUSTERS ;  GLOBULAR-CLUSTERS ;  ELLIPTIC GALAXIES ;  EVOLUTIONARY SYNTHESIS ;  AGE DISTRIBUTION
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11443001, 11073025, 11503015] ;  Shanghai education committee [1021ZK 151009027-ZZyy 15104] ;  Shanghai Institute of Technology [10120K156031-YJ 2014-05] ;  German Research Foundation (DFG) [OL 350/1-1] ;  "The Milky Way System" (subproject Z2) at the University of Heidelberg. Germany [SFB 881] ;  Julich Supercomputing Center (JSC) ;  DFG [OL 350/1-1] ;  Chinese Academy of Sciences at NAOC [2009S1-5] ;  "Qianren" special foreign experts program of China at NAOC ;  Ministry of Finance of the People's Republic of China [ZDY Z2008-2] ;  Volkswagen Foundation at ARI/ZAH, University of Heidelberg, Germany [1/80041-043, 1/84678/84680] ;  National Science Foundation [1412449] ;  STScI theory grant [HST-AR-12840.01-A]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21749
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Pang, XY,Olczak, C,Guo, DF,et al. GalevNB: a conversion from N-body simulations to observations[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(3):37.
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