XMM-Newton high-resolution spectroscopy reveals the chemical evolution of M 87

  title={XMM-Newton high-resolution spectroscopy reveals the chemical evolution of M 87},
  author={Norbert Werner and Hans Boehringer and Jelle S. Kaastra and Jelle de Plaa and Aurora Simionescu and Jacco Vink},
  journal={Astronomy and Astrophysics},
We present a study of chemical abundances in the giant elliptical galaxy M 87 using high-resolution spectra obtained with the Reflection Grating Spectrometers during two deep XMM-Newton observations. While we confirm the two-temperature structure of the inter-stellar medium (ISM) in M 87, we also show that a continuous temperature distribution describes the data equally well. The high statistics allow us, for the first time, to also determine relatively accurate abundance values for carbon and… 

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