Isolated neutron stars as Science Validation for XMM2ATHENA: Ensuring robust data for future X-ray Astronomy
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...
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| creator | Adriana Mancini Pires Motch, Christian Schwope, Axel Traulsen, Iris Ballet, Jean Chakraborty, Sudip Homan, David Kurpas, Jan Ada Nebot Gomez-Moran Francois-Xavier Pineau Tranin, Hugo Webb, Natalie |
| description | 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. |
| doi_str_mv | 10.48550/arxiv.2412.03870 |
| format | Article |
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| subjects | Astrometry Emitters Machine learning Neutron stars Physics - High Energy Astrophysical Phenomena Sky surveys (astronomy) Soft x rays Spectral emittance X-ray astronomy XMM (spacecraft) |
| title | Isolated neutron stars as Science Validation for XMM2ATHENA: Ensuring robust data for future X-ray Astronomy |
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