Showing astro-ph.HEShow all
3 papers · 1 filter
astro-ph.HE2026
Stratified Wind Geometries of GRS 1915+105: Density Profiles and Radii
Noa Keshet, Ehud Behar, Jon M. Miller +1
The low-mass X-ray binary GRS 1915+105 exhibits dramatic spectral and flux variability, often accompanied by highly ionized outflows. In this work, we analyze four archival Chandra…
astro-ph.HE2025
A Sharper View of the X-ray Spectrum of MCG--6-30-15 with XRISM, XMM-Newton and NuSTAR
Laura W. Brenneman, Daniel R. Wilkins, Anna Ogorzałek +15
We present a time-averaged spectral analysis of the 2024 XRISM observation of the narrow-line Seyfert-1 galaxy MCG--6-30-15, taken contemporaneously with XMM-Newton and NuSTAR. Our…
astro-ph.HE2024
Supernova Archaeology with X-Ray Binary Winds -- The Case of GRO J1655-40
Noa Keshet, Ehud Behar, Timothy R. Kallman
Supernovae are responsible for the elemental enrichment of the galaxy and some are postulated to leave behind a black hole. In a stellar binary system the supernova pollutes its co…