Isolated neutron stars as Science Validation for XMM2ATHENA: Ensuring robust data for future X-ray Astronomy

Autor: Pires, Adriana Mancini, Motch, Christian, Schwope, Axel, Traulsen, Iris, Ballet, Jean, Chakraborty, Sudip, Homan, David, Kurpas, Jan, Gomez-Moran, Ada Nebot, Pineau, Francois-Xavier, Tranin, Hugo, Webb, Natalie
Rok vydání: 2024
Předmět:
Druh dokumentu: Working Paper
DOI: 10.1002/asna.20240116
Popis: The discovery of radio-quiet, X-ray thermally emitting isolated neutron stars (XINSs) in the ROSAT All-Sky Survey revealed a previously overlooked component of the neutron star population. Advancements in X-ray instrumentation and the availability of deep, wide-area optical surveys now enable us to explore XINSs at fainter X-ray fluxes and greater distances. In this study, we investigated candidates selected from the 4XMM-DR9 catalogue using XMM-Newton, focusing on long-term flux stability, spectral characterisation, and astrometry. By leveraging resources from the XMM2ATHENA project -- including updated catalogues, multiwavelength characterisation and machine learning classification -- we refined our understanding of this sample of soft X-ray emitters. Our findings enhance the characterisation of XINS candidates, laying the groundwork for more targeted investigations and future catalogue searches.
Comment: 7 pages, 3 figures, proceedings of IWARA 2024, 11th International Workshop on Astronomy and Relativistic Astrophysics
Databáze: arXiv