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Science China Physics, Mechanics & Astronomy

, Volume 57, Issue 9, pp 1809–1815 | Cite as

Discovery of eight lensing clusters of galaxies

  • SuMing Liang
  • ZhongLue Wen
  • JinLin Han
  • YunYing Jiang
Article

Abstract

Clusters of galaxies have a huge mass which can act as gravitational lenses. Galaxies behind clusters can be distorted by the lenses to form arcs in images. Herein a search was done for giant lensed arcs using the SDSS data. By visually inspecting SDSS images of newly identified clusters in the SDSS DR8 and Stripe 82 data, we discover 8 strong lensing clusters together with additional 3 probable and 6 possible cases. The lensed arcs show bluer colors than the member galaxies of clusters. The masses and optical luminosities of galaxy clusters interior to the arcs are calculated. The mass-to-light ratios are found to be in the range of a few tens of M /L , consistent with the distribution of previously known lensing clusters.

Keywords

galaxy clusters gravitational lenses and luminous arcs photography and photometry 

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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • SuMing Liang
    • 1
    • 2
  • ZhongLue Wen
    • 1
  • JinLin Han
    • 1
  • YunYing Jiang
    • 1
  1. 1.National Astronomical ObservatoriesChinese Academy of SciencesBeijingChina
  2. 2.The University of Chinese Academy of SciencesBeijingChina

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