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Detection of Compton scattering in the jet of 3C 84
Ioannis Liodakis, Sudip Chakraborty, Frédéric Marin +77
3C 84 is the brightest cluster galaxy in the Perseus Cluster. It is among the closest radio-loud active galaxies and among the very few that can be detected from low frequency radi…
X-ray panorama of the SS433/W50 complex by SRG/eROSITA
Rashid Sunyaev, Ildar Khabibullin, Eugene Churazov +3
The Galactic microquasar SS 433 and the radio nebula W50 surrounding it present a prototypical example of a hyper-Eddington binary system shaping its ambient interstellar medium vi…
North Polar Spur: gaseous plume(s) from star-forming regions at 3-5 kpc from Galactic Center?
E. Churazov, I. Khabibullin, A. M. Bykov +4
We argue that the North Polar Spur (NPS) and many less prominent structures are formed by gaseous metal-rich plumes associated with star-forming regions (SFRs). The SFRs located at…
An IXPE-Led X-ray Spectro-Polarimetric Campaign on the Soft State of Cygnus X-1: X-ray Polarimetric Evidence for Strong Gravitational Lensing
James F. Steiner, Edward Nathan, Kun Hu +134
We present the first X-ray spectropolarimetric results for Cygnus X-1 in its soft state from a campaign of five IXPE observations conducted during 2023 May-June. Companion multiwav…
Study of X-ray emission from the S147 nebula by SRG/eROSITA: supernova-in-the-cavity scenario
Ildar I. Khabibullin, Eugene M. Churazov, Nikolai N. Chugai +11
The Simeis~147 nebula (S147), particularly well known for a spectacular net of -emitting filaments, is often considered one of the largest and oldest known supernova rem…
Study of X-ray emission from the S147 nebula with SRG/eROSITA: X-ray imaging, spectral characterization, and a multiwavelength picture
Miltiadis Michailidis, Gerd Pühlhofer, Werner Becker +11
Simeis 147 (S147, G180.0-01.7, "Spaghetti nebula") is a supernova remnant (SNR) extensively studied across the entire electromagnetic spectrum, from radio to giga-electronvolt -…