A mysterious feature in the NICER spectrum of 4U 1820-30: A gravitationally redshifted absorption line?

Fuente: arXiv

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Bibliographic Details
Main Authors:	Iaria, R., Di Salvo, T., Anitra, A., Barra, F., Sanna, A., Maraventano, C., Miceli, C., Leone, W., Burderi, L.
Format:	Preprint
Published:	2025
Subjects:	High Energy Astrophysical Phenomena
Online Access:	Acceder al recurso
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Internet

https://arxiv.org/abs/2511.20499