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Multi-wavelength properties of XMM-Slew Survey sources

Mara Salvato, Andrea Merloni, Tom Dwelly, Johan Comparat, Damien Coffey, Axel Schwope, Julien Wolf, Riccardo Arcodia, Kirpal Nandra

We present multi-wavelength characterization of a highly complete sample of point-like sources from the XMMSlew Survey, over the entire SDSS footprint. We provide information about X-ray properties of the sources, as well as of their counterparts at longer wavelength (optical, infra-red, radio) identified first in the All-WISE IR catalog via a Bayesian cross-matching algorithm, NWAY (Salvato et al. 2018). We complement this with dedicated visual inspection of the SDSS spectra, providing accurate redshift estimates (with objective confidence levels) and source classification, beyond the standard eBOSS pipeline results (Comparat et al. 2019).

We recommend that you use the latest updated catalog (DR16) but previous version of the this catalog is still available. The DR14 catalog is available on the SAS as VAC_spiders_XMMSL_DR14.fits, with its datamodel available here.