Summary
We compare the abundance ratios of carbon, nitrogen, oxygen, and iron in the inter-stellar medium (ISM) of M 87 with those in the stellar population of our Galaxy. The relative contribution of core-collapse supernovae to the enrichment of the ISM in M 87 is significantly lower than in the Milky Way. The abundance ratios indicate that the enrichment of the ISM by iron through Type Ia supernovae and by carbon and nitrogen is occurring in parallel. This suggests that the main sources of carbon and nitrogen in M 87 are the low- and intermediate-mass asymptotic giant branch stars.
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Werner, N., Böhringer, H., Kaastra, J.S., Plaa, J.d., Simionescu, A., Vink, J. (2007). Carbon and Nitrogen in the X-ray Emitting Hot Gas of M 87. In: Böhringer, H., Pratt, G., Finoguenov, A., Schuecker, P. (eds) Heating versus Cooling in Galaxies and Clusters of Galaxies. Eso Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73484-0_56
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DOI: https://doi.org/10.1007/978-3-540-73484-0_56
Publisher Name: Springer, Berlin, Heidelberg
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