Multiwavelength Properties of Hard X-ray selected AGN in the ART-XC NEP Survey
Chen Chien-Ting
Universities Space Research Association
Приглашенный на HEA-2024
Авторы: Chien-Ting Chen Andrey Semena Duncan Barbour Steven Ehlert Roman Krivonos Alexander Lutovinov Sergey Sazonov Daniel Stern Douglas Swartz
We will report the status of the Astronomical Roentgen Telescope X-ray Concentrator (ART-XC) survey in the North Ecliptic Pole (NEP) region. ART-XC is a hard X-ray instrument onboard the Spectrum Röntgen Gamma (SRG) mission, the observations of the ecliptic pole regions have reached exceptional depth thanks to the survey design of overlapping exposure in these regions over the course of the SRG's all-sky survey mission. The unique area-depth combination of the ART-XC NEP survey probes a population of hard X-ray selected sources yet to be explored by existing hard X-ray instruments. We will discuss the hard X-ray source catalog detected using the ART-XC data in the NEP region, and the multiwavelength data for the ART-XC sources, including unique targets identified by ART-XC and results from follow-up spectroscopic observations with the Palomar Observatory and NuSTAR.
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