most citedExtended Very-High-Energy Gamma-Ray Emission Surrounding PSR J0622 + 3749 Observed by LHAASO-KM2A

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astro-ph.SR2026

SN 2021pfs: A Type Ia Supernova Likely Affected by Progenitor Metallicity, as Revealed by Comparison with Its Twin Counterpart

Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin +15

We present extensive photometric and spectroscopic observations of the normal type Ia supernovae (SNe Ia) 2021pfs, which occurred in the Seyfert 2 galaxy NGC 5427 at a redshift 0.0…

astro-ph.SR2026

Oscillation Period Properties of Sunspots in the 8-10 m Infrared Band: A Multi-Dataset Analysis

Suo Liu

Sunspot oscillations probe magnetic-plasma interactions in the solar atmosphere. We investigate oscillation periods in six sunspot active regions observed in the 8-10 um band with…

astro-ph.SR2026

Double-periodic pulsations simultaneously detected in mid-infrared and hard X-ray emissions during an X1.5 flare

Dong Li, Yuyang Ye, Xianyong Bai +1

Quasi-periodic pulsations (QPPs) have been observed in a broad electromagnetic spectrum, encompassing radio, ultraviolet, white light, X-rays, and Gama-rays. Yet, flare-associated…

astro-ph.SR2026

Research Progress on Solar Small-Scale Dynamo

Wen-Jie Jiang, Lei Ni, Chun-Lan Jin +2

The small-scale solar dynamo theory, as the core mechanism explaining the origin of the persistent, disperse weak magnetic field in the quiet Sun regions, has made significant prog…

astro-ph.SR2026

Long-term Orbital Period Variations of the Eclipsing Dwarf Nova HT Cas

Aykut Ozdonmez, Huseyin Er, Ilham Nasiroglu +7

We present a comprehensive analysis of the long-term orbital period variations in the short-period eclipsing dwarf nova HT Cas. By combining our new high-precision mid-eclipse time…

astro-ph.SR20261 cited

Evidence of triggered star formation in the Pillars of Creation from JWST observations

Jing Wen, Bingqiu Chen, Jian Gao +3

Stars form in molecular clouds under the influence of their local environments, yet the role of massive stellar feedback in either triggering or suppressing star formation remains…