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astro-ph.GA2026

Identifying the principal mechanism of star formation feedback

Chong Li, Rouyu Li, Keping Qiu +27

Feedback from massive stars regulates the formation of next-generation stars and planets and thus shapes the evolution of galaxies, yet observational evidence capable of determinin…

astro-ph.GA2026

Supernova origin of galactic turbulence revealed by superbubbles

Fanyi Meng, Chao-Wei Tsai, Jingwen Wu +13

Supernovae (SNe) are among the leading candidates for powering galactic-scale turbulence. SNe drive expanding shells of neutral atomic hydrogen (HI) known as superbubbles. Due to t…

astro-ph.GA2026

Black Hole-Galaxy Correlations in Cluster Zoomed-in Simulations: GIZMO-SIMBA and TNG-Cluster

Hangxin Pu, Antonios Katsianis, Weiguang Cui +8

We investigate the co-evolution of supermassive black holes (SMBHs) and central galaxies in massive clusters using the GIZMO-SIMBA and TNG-Cluster zoom-in simulations at . W…

astro-ph.GA2026

Empirical Near-Infrared Spectral Templates from SPHEREx: Disentangling AGN and Host-Galaxy Emission

Wenke Ren, Hengxiao Guo, Zhenya Zheng +9

SPHEREx conducts the first all-sky near-infrared spectral survey over 0.75-5.0 m, spanning the transition from host-galaxy starlight to AGN-heated torus emission and enabling sp…

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.GA2026

Investigations of MWISP Bubbles: Identification and Analysis of Enclosed Molecular Bubbles by Weight Fields

Yu Jiang, Xuepeng Chen, Ji Yang +7

Molecular bubbles are widely used as tracers of stellar feedback; yet, their identification in spectral-line surveys remains challenging because both cavity morphology and kinemati…

astro-ph.GA2026

Quiescent Host Galaxies of Extended Quasars Revealed by Spectrophotometric Decomposition

Shengxiu Sun, Linhua Jiang, Zhiwei Pan +27

Previous works of low-redshift quasar host galaxies have focused on compact quasars and found that their host galaxies are mainly star-forming galaxies. Here we present a study of…

astro-ph.GA2026

Vigorous turbulence driven by quasar-mode feedback in a cluster core

Satoshi Yamada, Shutaro Ueda, Hirofumi Noda +9

Quasars are among the most luminous objects. They are powered by accretion onto supermassive black holes. They are thought to impact cosmological evolution primarily through energe…

astro-ph.GA2026

Testing [O II] as a Star Formation Rate Tracer in Quasar Host Galaxies

Xiaotong Feng, Xue-Bing Wu, Yuming Fu +3

The [O II] emission line is a widely used star formation rate (SFR) tracer. However, its application to type I quasars is not straightforward, because the line can be…

astro-ph.GA2026

Far-Infrared Star Formation Rates of Quasar Host Galaxies from Multiwavelength Spectral Energy Distribution Decomposition

Xiaotong Feng, Xue-Bing Wu, Yuming Fu +3

Reliable star formation rates (SFRs) are essential for studying the connection between black hole growth and quasar host galaxies. We study the far-infrared (FIR) SFRs and the host…

astro-ph.GA2026

Satellite quenching by radio jets of central galaxies in galaxy groups

Yijun Wang, Tao Wang, Dingyi Zhao +9

Feedback from active galactic nuclei (AGN) is now recognized as a key component of galaxy formation models. It plays a central role in regulating the growth and quenching of galaxi…

astro-ph.GA2026

The FAST Hundred-Deg HI Deep (HD) Survey: Early Results from the Pilot Survey

Chen Xu, Yingjie Jing, Jie Wang +26

The Hundred-deg HI Deep (HD) survey carried out with the Five-hundred-meter Aperture Spherical Telescope (FAST) is planned to map a contiguous region within the DESI DR1 fo…

astro-ph.GA2026

A Spatially Resolved HI Survey of Seyfert Galaxies: the Role of AGN Feedback in Shaping Atomic Gas Reservoirs

Ruitian Li, Xin Wang, Daizhong Liu +19

Active galactic nucleus (AGN) feedback is a key ingredient in galaxy evolution, yet its impact on the cold atomic gas reservoir -- the neutral hydrogen (HI) phase -- remains poorly…

astro-ph.GA2026

CSST Preparations: Galaxy Completeness and Sérsic Profile Fitting across the Wide, Deep, and Extreme Fields

Ziqi Ma, Si-Yue Yu, Taotao Fang +3

The upcoming imaging survey of the Chinese Space-station Survey Telescope (CSST) will deliver high-resolution imaging of an unprecedented number of galaxies for galaxy studies. To…

astro-ph.GA2026

Holmberg IX: A Unique, Infant but Inactive Galaxy as Revealed via a Multiwavelength Approach

Ye-Wei Mao, Luis C. Ho, Alexei V. Moiseev +2

In this Letter, we report a novel discovery of unique characteristics for the tidal dwarf galaxy (candidate) Holmberg IX via a multiwavelength investigation. New observations are t…

astro-ph.GA2026

Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign

Ezequiel Albentosa-Ruiz, Jasmin E. Washington, Nicola Marchili +272

Sagittarius A* (Srg A*), the supermassive black hole at the center of the Milky Way, provides a unique laboratory to study accretion dynamics and plasma processes near the event ho…

astro-ph.GA2026★ 2 cited

The Cliff: A Metal-Poor Little Red Dot Hosting an Overmassive Black Hole at

Lucy R. Ivey, Francesco D'Eugenio, Roberto Maiolino +18

JWST has revealed a large population of massive black holes (BHs) in the early Universe with unusual properties which mark them as distinct from low-redshift active galactic nuclei…

astro-ph.GA2026

Two Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Ultra-cool Brown Dwarfs

Maruša Bradač, Chris Willott, Yoshihisa Asada +37

From the onset of observations of JWST we have discovered unexpectedly luminous galaxies at redshifts and as high as . With their discovery, the question immediately f…

astro-ph.GA2026

HOTDISK. Finding Massive Protostellar Disks with Water and Refractory Molecular Species

Kai Yang, Yichen Zhang, Kei E. I. Tanaka +16

We present high-angular-resolution (, au) ALMA Band~6 observations from the HOTDISK project (Hot-Origin Tracer survey of DISKs of massive pro…

astro-ph.GA2026

The tidal evolution of satellite galaxies in cosmological simulations: insights from COLIBRE

Feihong He, Jiaxin Han, Joop Schaye +12

We investigate the co-evolution of the stellar and dark matter mass of satellite galaxies using the COLIBRE cosmological hydrodynamical simulations with subhaloes resolved by the h…

astro-ph.GA2026★ 1 cited

Tracing Star Formation in Quasar Hosts via [O II] 3727: A Kinematically Consistent Approach

Liang Wu, Jun-Xian Wang, Luis C. Ho +2

Measuring star formation in quasar host galaxies is crucial for understanding the coevolution of supermassive black holes (SMBHs) and galaxies, yet remains observationally challeng…

astro-ph.GA2026★ 2 cited

The X-ray weakness of Little Red Dots and JWST-selected AGN: comparison with local AGN in different accretion regimes

A. Tortosa, C. Ricci, P. Du +5

We investigate the origin of the observed X-ray weakness in high z LRDs and other JWST-selected broad line AGN by comparing their X-ray and optical properties with those of a diver…

astro-ph.GA2026

Simulating AGN wind feedback with variable feedback efficiencies in idealised disc galaxies

Jinning Liang, Cedric G. Lacey, Filip Huško +2

Active Galactic Nucleus (AGN) feedback plays a critical role in galaxy formation and evolution. AGN-driven winds can significantly influence their host galaxies, although the detai…

astro-ph.GA2026★ 4 cited

A systematic study of AGN feedback in a disk galaxy I: global overview

Yuxuan Zou, Feng Yuan, Suoqing Ji +5

This is the first paper in a series using our MACER framework to investigate the evolution of a disk galaxy, which emphasizes the role of active galactic nucleus (AGN) feedback and…