Primordial or dynamical mass segregation in young LMC clusters?

被引:0
|
作者
de Grijs, R [1 ]
Gilmore, G [1 ]
Johnson, R [1 ]
机构
[1] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England
关键词
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the detailed analysis of Hubble Space Telescope observations of the spatial distributions of different stellar species in two young compact star clusters in the Large Magellanic Cloud, NGC 1805 and NGC 1818. Based on a comparison of the characteristic relaxation times in their cores and at their half-mass radii with the observed degree of mass segregation, it is most likely that significant primordial mass segregation was present in both clusters, particularly in NGC 1805. Both clusters were likely formed with very similar initial mass functions.
引用
收藏
页码:207 / 208
页数:2
相关论文
共 50 条
  • [1] EFFECTS OF PRIMORDIAL MASS SEGREGATION ON THE DYNAMICAL EVOLUTION OF STAR CLUSTERS
    Vesperini, Enrico
    McMillan, Stephen L. W.
    Portegies Zwart, Simon
    [J]. ASTROPHYSICAL JOURNAL, 2009, 698 (01): : 615 - 622
  • [2] Indication of Mass Segregation in LMC Star Clusters
    Nikolov, Grigor B.
    Kontizas, Mary
    Dapergolas, Anastasos
    Belcheva, Maya K.
    Golev, Valeri
    Bellas-Velidis, Ioannis
    [J]. STAR CLUSTERS IN THE ERA OF LARGE SURVEYS: PROCEEDINGS OF SYMPOSIUM 5 OF JENAM 2010, 2012, : 227 - +
  • [3] Primordial mass segregation of star clusters with primordial binaries
    Pavlik, Vaclav
    [J]. ASTRONOMY & ASTROPHYSICS, 2020, 638
  • [4] A dynamical origin for early mass segregation in young star clusters
    McMillan, Stephen L. W.
    Vesperini, Enrico
    Portegies Zwart, Simon
    [J]. ASTROPHYSICAL JOURNAL, 2007, 655 (01): : L45 - L48
  • [5] Evidence for primordial mass segregation in globular clusters
    Baumgardt, Holger
    De Marchi, Guido
    Kroupa, Pavel
    [J]. ASTROPHYSICAL JOURNAL, 2008, 685 (01): : 247 - 253
  • [6] Mass Segregation in Young Star Clusters
    Vesperini, E.
    McMillan, S. L. W.
    Zwart, S. F. Portegies
    [J]. GLOBULAR CLUSTERS - GUIDES TO GALAXIES, 2009, : 429 - +
  • [7] Mass segregation in young stellar clusters
    Bonnell, IA
    Davies, MB
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1998, 295 (03) : 691 - 698
  • [8] Primordial mass and density segregation in a young molecular cloud
    Alfaro, Emilio J.
    Roman-Zuniga, Carlos G.
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2018, 478 (01) : L110 - L115
  • [9] The effect of primordial mass segregation on the size scale of globular clusters
    Haghi, Hosein
    Hoseini-Rad, Seyed Mohammad
    Zonoozi, Akram Hasani
    Kuepper, Andreas H. W.
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2014, 444 (04) : 3699 - 3708
  • [10] Primordial mass segregation of star clusters: The role of binary stars
    Pavlik, V
    [J]. CONTRIBUTIONS OF THE ASTRONOMICAL OBSERVATORY SKALNATE PLESO, 2020, 50 (02): : 456 - 460