Probing Structure and History of Dark Matter Halos with Gravitational Lensing Observations

被引:0
作者
Lapi, Andrea [1 ,2 ]
Cavaliere, Alfonso [1 ]
机构
[1] Univ Tor Vergata, Dip Fis, I-00133 Rome, Italy
[2] SISSA ISAS, Astrophys Sector, I-34151 Trieste, Italy
关键词
PHASE-SPACE DENSITY; EINSTEIN RADII; LAMBDA-CDM; X-RAY; A1689; MASS; PROFILES; EVOLUTION; BARYONS;
D O I
10.1016/j.nuclphysbps.2009.07.007
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We discuss the structure and history of dark matter halos in galaxies and galaxy systems, in terms of the halo two-stage development and of the related 'alpha-profiles'. We probe both with the recent extensive dataset from weak and strong lensing observations in and around the cluster A1689.
引用
收藏
页码:91 / 95
页数:5
相关论文
共 26 条
  • [1] ASCASIBAR Y, 2008, APJ, V386, P2022
  • [2] Semianalytical dark matter halos and the Jeans equation
    Austin, CG
    Williams, LLR
    Barnes, EI
    Babul, A
    Dalcanton, JJ
    [J]. ASTROPHYSICAL JOURNAL, 2005, 634 (02) : 756 - 774
  • [3] TWISTED AND WARPED DISKS AS CONSEQUENCES OF HEAVY HALOS
    BINNEY, J
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1978, 183 (03) : 779 - 797
  • [4] Dark matter and baryons in the X-ray luminous merging galaxy cluster RX J1347.5-1145
    Bradac, Marusa
    Schrabback, Tim
    Erben, Thomas
    McCourt, Michael
    Million, Evan
    Mantz, Adam
    Allen, Steve
    Blandford, Roger
    Halkola, Aleksi
    Hildebrandt, Hendrik
    Lombardi, Marco
    Marshall, Phil
    Schneider, Peter
    Treu, Tommaso
    Kneib, Jean-Paul
    [J]. ASTROPHYSICAL JOURNAL, 2008, 681 (01) : 187 - 196
  • [5] Broadhurst T, 2005, ASTROPHYS J, V619, pL143, DOI 10.1086/428122
  • [6] COMPARISON OF CLUSTER LENSING PROFILES WITH ΛCDM PREDICTIONS
    Broadhurst, Tom
    Umetsu, Keiichi
    Medezinski, Elinor
    Oguri, Masamune
    Rephaeli, Yoel
    [J]. ASTROPHYSICAL JOURNAL LETTERS, 2008, 685 (01): : L9 - L12
  • [7] Large Einstein radii: a problem for ΛCDM
    Broadhurst, Tom J.
    Barkana, Rennan
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2008, 390 (04) : 1647 - 1654
  • [8] Dynamical insight into dark matter haloes
    Dehnen, W
    McLaughlin, DE
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2005, 363 (04) : 1057 - 1068
  • [9] Formation and evolution of galaxy dark matter halos and their substructure
    Diemand, Juerg
    Kuhlen, Michael
    Madau, Piero
    [J]. ASTROPHYSICAL JOURNAL, 2007, 667 (02) : 859 - 877
  • [10] A universal density slope - Velocity anisotropy relation for relaxed structures
    Hansen, SH
    Moore, B
    [J]. NEW ASTRONOMY, 2006, 11 (05) : 333 - 338