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- W4221162992 abstract "We present a probabilistic model built for the optical cross-match between the SRG/eROSITA X-ray sources and photometric data from the DESI Legacy Imaging Surveys. The model relies both on positional and photometric information on optical objects nearby X-ray sources and allows performing selection with precision and recall $approx94$% (for $F_{rm X,0.5-2}>10^{-14}$ erg/s/cm$^2$). With this model, we calibrated positional error of the SRG/eROSITA sources detected in the Lockman Hole: $sigma_{rm corr} = 0.87sqrt{ sigma_{rm det}^{2.53} + 1.12^2}$. The model will become a part of the SRGz system for data analysis of the X-ray data obtained from the all-sky SRG/eROSITA survey." @default.
- W4221162992 created "2022-04-03" @default.
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- W4221162992 date "2022-03-22" @default.
- W4221162992 modified "2023-09-27" @default.
- W4221162992 title "SRGz: building an optical cross-match model for the X-ray SRG/eROSITA sources using the Lockman Hole data" @default.
- W4221162992 doi "https://doi.org/10.48550/arxiv.2203.11531" @default.
- W4221162992 hasPublicationYear "2022" @default.
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