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X-ray dim isolated neutron star candidates from the eROSITA All-Sky Survey

Published online by Cambridge University Press:  27 February 2023

J. Kurpas Open the ORCID record for J. Kurpas [Opens in a new window] ,
A. Schwope ,
A. M. Pires Open the ORCID record for A. M. Pires [Opens in a new window]  and
F. Haberl
J. Kurpas
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
A. Schwope
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
A. M. Pires
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
F. Haberl
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, Gießenbachstraße 1, 85748 Garching, Germany email: [email protected]
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Abstract

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After 2 years of continuous observations, the eROSITA All-Sky Survey bears the potential to build a complete sample of X-ray dim isolated neutron stars (XDINS). Making use of their soft X-ray emission and large X-ray-to-optical flux ratios, we selected a sample of ∼100 candidates detected down to a limiting flux of ∼10-13 erg s-1cm-2(0.2-2 keV). Follow-up observations of the best candidates will rule out possible contaminants. Updated source catalogues and screening algorithms will further improve our efficiency to identify new XDINS.

Keywords

stars: neutronsurveyspulsars: general
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 16 , Symposium S363: Neutron Star Astrophysics at the Crossroads: Magnetars and the Multimessenger Revolution , June 2020 , pp. 345 - 346
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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