3 papers
astro-ph.HE2026
BlazEr1: The eROSITA Blazar Catalog. Blazars and Blazar Candidates in the First eROSITA Survey
S. Haemmerich, A. Gokus, F. McBride +28
Aims. eROSITA, on board the Spectrum Roentgen Gamma (SRG) spacecraft, performed its first X-ray all-sky survey (eRASS1) between December 2019 and June 2020. It detected about 93000…
astro-ph.HE2026
BLAZ4R and the eROSITA view of z>4 blazars
Tullia Sbarrato, Silvia Belladitta, Julien Wolf +8
We present BLAZ4R, the first living catalog of confirmed blazars, with a focus on the contribution of eROSITA, on board of the Spectrum Roentgen Gamma (SRG) spacecraft. Blaza…
astro-ph.HE2025
Detection of positron in-flight annihilation from the Galaxy
Jürgen Knödlseder, Karim Sabri, Pierre Jean +3
Although the annihilation of positrons towards the Galactic centre was established more than 50 years ago through the detection of a 511 keV -ray line, the origin of the positr…