collaborators

5 papers

astro-ph.GA2026

A merger shock traced by radio arcs and ultra-long radio tails in galaxy cluster A2142

Chong Ge, Ming Sun, Chris Nolting +2

Abell 2142 (A2142) is a massive, nearby galaxy cluster undergoing a complex merger. It exhibits an elongated X-ray morphology along the northwest-southeast axis and hosts four know…

astro-ph.GA2026

The shocking features in the closest rich galaxy cluster Norma

Chong Ge, Ming Sun, Mpati Ramatsoku +2

The merger shocks generated by the collision of galaxy clusters elevate the pressure within the intracluster medium, significantly influencing the evolution of embedded cluster gal…

astro-ph.GA2025

Constraining star formation in M87 using deep HST UV data

Prathamesh Tamhane, William Waldron, Ming Sun +11

We analyzed the deepest Hubble Space Telescope (HST) F275W ultraviolet (UV) imaging of M87 to obtain the most robust constraints on its star formation rate (SFR) and star formation…

astro-ph.HE2025

XRISM constraints on unidentified X-ray emission lines, including the 3.5 keV line, in the stacked spectrum of ten galaxy clusters

XRISM Collaboration, Marc Audard, Hisamitsu Awaki +150

We stack 3.75 Megaseconds of early XRISM Resolve observations of ten galaxy clusters to search for unidentified spectral lines in the 2.5-15 keV band (rest frame), including t…

astro-ph.GA2025

The RESOLVE and ECO G3 Initiative: Drivers of HI Content and X-ray Emission in Galaxy Groups

Zackary L. Hutchens, Sheila J. Kannappan, Kelley M. Hess +5

Adding to the RESOLVE and ECO Gas in Galaxy Groups (G3) initiative, we examine possible drivers of group-integrated HI-to-halo mass ratios () and group…