Search and analysis of new XRBs found in eRASS DR1 using ML

Not scheduled
20m
TUM Hörsaal/lecture hall 1 (HS 1) (Garching)

TUM Hörsaal/lecture hall 1 (HS 1)

Garching

Technical University Munich (TUM) Boltzmannstraße 3, 85748 Garching

Speaker

Artur Avakyan (IAAT)

Description

The eROSITA all-sky survey mission has the potential to significantly advance our understanding of Galactic X-ray binaries (XRBs). Given its high sensitivity we identified nearly 200 new XRB candidates, including both high-mass and low-mass systems, and even some peculiar case sources. We present key methods used to handle eRASS DR1 dataset and classify sources, such as counterpart identification and multi-wavelength (MWL) machine learning (ML) analysis, tuned for search of XRBs. The results of this work are also used to obtain the first self-consistent estimate of XRB numbers observable by eROSITA, expand the sample of low-luminosity XRBs, give a basis for follow-up observations and accretion physics studies at low states. Final goal of the project is to provide better constraints on the characteristics of XRB population in the Milky Way.

Primary author

Co-authors

Aafia Zainab Ansar (Dr. Karl Remeis Sternwarte Bamberg & ECAP, FAU) Victor Doroshenko (IAAT) Joern Wilms (Remeis-Sternwarte & ECAP, FAU Erlangen-Nuernberg) Prof. Andrea Santangelo (IAAT)

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