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    • Improved Mass and Radius Constraints for Quiescent Neutron Stars in Omega Cen and NGC 6397 

      Heinke, C. O.; Cohn, H. N.; Lugger, P. M.; Webb, N. A.; Ho, W. C. G.; Anderson, J.; Campana, S.; Bogdanov, S.; Haggard, D.; Cool, A. M.; Grindlay, Jonathan E. (Oxford University Press (OUP), 2014)
      We use Chandra and XMM–Newton observations of the globular clusters ω Cen and NGC 6397 to measure the spectrum of their quiescent neutron stars (NSs), and thus to constrain the allowed ranges of mass and radius for each. ...