5 papers

astro-ph.HE2026

Rapid Orbital Decay in the Ultracompact Double-degenerate Binary eRASSU J060839.5704014

Rahul Sharma, Chandreyee Maitra, Frank Haberl +9

We present timing and spectral analysis of the recently identified ultracompact double-degenerate (DD) white dwarf binary eRASSU J060839.5704014 using observations from NICER an…

astro-ph.GA2026

The mass-dependent interplay of active galacitc nuclei and supernova feedback in shaping the -- relation of early-type galaxies

Haojie Xia, Feng Yuan, Bocheng Zhu +4

The observed X-ray luminosity--temperature (--) relation of hot gas in early-type galaxies deviates significantly from the prediction of purely gravitational heating,…

astro-ph.GA2026

XRISM Resolves the Circum-nuclear Environment of NGC 4945

Peter G. Boorman, Poshak Gandhi, Yoshihiro Ueda +31

Compton-thick Active Galactic Nuclei (AGN) represent one of the most elusive phases of massive black hole growth, yet are expected to contribute substantially to the Cosmic X-ray B…

astro-ph.SR2026

Turbulent Convection: Modal Equations and Energy Pathways

S. Sridhar, Nishant K. Singh

We present a framework for studying high Rayleigh number turbulent convection to better understand stellar and planetary convection zones. Utilizing the statistical symmetries of t…

astro-ph.SR2026

Multi-Wavelength Diagnostics of Pre-Flare Evolution with Aditya-L1: From the Solar Chromosphere to the Corona

Adithya H. N., Sreejith Padinhatteeri, Soumya Roy +13

The pre-flare phase of solar flares provides important insight into the processes that drive active regions toward instability. We investigate chromospheric pre-flare activity usin…