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The Nature of X-Rays from Young Stellar Objects in the Orion Nebula Cluster—A Chandra HETGS Legacy Project

  • Authors: Norbert S. Schulz, David P. Huenemoerder, David A. Principe, Marc Gagne, Hans Moritz Günther, Joel Kastner, Joy Nichols, Andrew Pollock, Thomas Preibisch, Paola Testa, Fabio Reale, Fabio Favata, Claude R. Canizares

Norbert S. Schulz et al 2024 The Astrophysical Journal 970 .

  • Provider: AAS Journals

Caption: Figure 7.

Here, we show He-like triplets of Mg, Si, S, Ar, Ca, and Fe in various orders for θ 1 Ori C. On the left are the triplets in first order, on the right the ones in higher orders, MEG third and HEG second orders. While the first orders provide high S/N power, the significantly higher resolving power of the higher grating orders provides much more details.

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