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New X-ray detections of magnetic period-bounce cataclysmic variables from XMM-Newton and SRG/eROSITA
Daniela Muñoz-Giraldo, Beate Stelzer, Domitilla de Martino +1
A great portion of the cataclysmic variable population, between 40% and 70%, is predicted to be made up of period-bouncers, systems with degenerate donors that have evolved past th…
Cataclysmic Variables from Sloan Digital Sky Survey V -- the search for period bouncers continues
K. Inight, Boris T. Gänsicke, A. Schwope +25
SDSS-V is carrying out a dedicated survey for white dwarfs, single and in binaries, and we report the analysis of the spectroscopy of cataclysmic variables (CVs) and CV candidates…
Discovery of two promising isolated neutron star candidates in the SRG/eROSITA All-Sky Survey
J. Kurpas, A. D. Schwope, A. M. Pires +2
We report the discovery of the isolated neutron star (INS) candidates eRASSU J065715.3+260428 and eRASSU J131716.9-402647 from the Spectrum Roentgen Gamma (SRG) eROSITA All-Sky Sur…
Unravelling optical and X-ray properties of the disc-dominated intermediate polar IGR J15094-6649
Arti Joshi, Nikita Rawat, Axel Schwope +5
We present analyses of an Intermediate Polar, IGR J15094-6649, based on the archival optical data obtained from the Transiting Exoplanet Survey Satellite (TESS) and X-ray data obta…
XMM2ATHENA, the H2020 project to improve XMM-Newton analysis software and prepare for Athena
Natalie A. Webb, Francisco J. Carrera, Axel Schwope +31
XMM-Newton, a European Space Agency observatory, has been observing the X-ray, ultra-violet and optical sky for 23 years. During this time, astronomy has evolved from mainly studyi…
Serendipitous discovery of the magnetic cataclysmic variable SRGE J075818-612027
Samet Ok, Georg Lamer, Axel Schwope +5
We report the discovery of SRGE J075818-612027, a deep stream-eclipsing magnetic cataclysmic variable found serendipitously in SRG/eROSITA CalPV observations of the open cluster NG…