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11: (a) Example of a P cygni profile showing a broad emission line peak and an absorption trough on the left side of the peak. (b) Demonstration of an expanding mass shell of a T Tauri star from which the P cygni profile originates. The positions of the letters indicate which part of the emission comes from what part on the expanding shell. The absorption trough is produced by an absorption of the light from the star by the intervening material in the part of the shell falling along our line of sight (shaded region). Figure from CO06.
Source publication
Studies of Type Ia supernovae (SNe Ia) in galaxy clusters can tell us about the metal
enrichment of the intra-cluster medium, constrain the star formation history of cluster
galaxies, aid us in the investigations of the progenitor systems of SNe Ia, act as trac-
ers of the intra-cluster stellar population and can be used in measuring distances over...
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