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Superflare on a rapidly-rotating solar-type star captured in X-rays
Sunyaev, Rashid; Gilfanov, Marat; Bikmaev, Ilfan +5 more
In this work, we studied X-ray source SRGe J021932.4‑040154 (SRGe J021932), which we associated with a single X-ray active star of spectral class G2V-G4V and the rotational period
Detection of polarized Fermi-bubble synchrotron and dust emission
Keshet, Uri
The elusive polarized microwave signal from the Fermi bubbles is disentangled from the more extended polarized lobes, which similarly emanate from the Galactic plane but stretch farther west of the bubbles. The projected
The properties of the Galactic hard X-ray and soft γ-ray background based on 20 years of INTEGRAL/IBIS observations
Krivonos, Roman; Sazonov, Sergey; Shtykovskaya, Ekaterina
We present results of a study of the Galactic hard X-ray and soft γ-ray background emission performed with the IBIS telescope aboard the INTEGRAL observatory using data obtained over more than 20 years of operations. The study of the Galactic background at energies between 10 keV and a few MeV is problematic due to the contribution of point source…