15-20 March 2020
Garching
Europe/Berlin timezone

Search for Counterparts of unidentified Fermi Sources using eROSITA

Not scheduled
20m
Garching

Garching

Poster

Description

The current list of FERMI sources (FL8Y) includes more than 5500 sources above a significance of 4-sigma, with source location regions and spectral properties. More than 2900 of the identified or associated sources are active galaxies of the blazar class, about 220 are pulsars. For about 2100 sources no plausible counterparts at other wavelengths have been found so far. The eROSITA survey presents all-sky X-ray data with an unprecedented sensitivity and thus a unique chance to correlate the FERMI gamma-ray source catalog in order to find counterparts of unidentified Fermi sources. A significant fraction of the unidentified FERMI sources are considered to be rotation-powered pulsars. Those are seen to emit X-ray emission on the ~10^-3 x spin-down energy level. Also many AGNs are X-ray bright. It is therefore a promising task to search for X-ray counterparts of unidentified FERMI sources in the eROSITA all-sky survey data. Follow-up radio and optical observations are planed to support the identification studies.

Presenter status eROSITA consortium member

Primary author

Werner Becker (Max-Planck Institut für extraterr. Physik)

Co-authors

Michael Kramer (Max-Planck-Institut fuer Radioastronomie) Axel Schwope (AIP) Martin Mayer (Max-Planck-Institute for Extraterrestrial Physics) Frank Haberl

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