activity
20192026
most citedFirst M87 Event Horizon Telescope Results. III. Data Processing and Calibration

884 citations · 914 across the 16 of their papers we have counts for

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Showing astro-ph.GAShow all

7 papers · 1 filter

astro-ph.GA2026

Constraints on the Intranight Optical Variability of Intermediate-Mass Black Hole Candidates

Wenwen Zuo, Hengxiao Guo, Wanling Liu +12

Intermediate-mass black holes (IMBHs) provide a unique regime for studying accretion variability at the low-mass end of the black hole population, yet their intranight optical vari…

astro-ph.GA2026

The Intermediate-Mass Black Hole Reverberation Mapping Project: Scientific Overview and Sample Characteristics

Hengxiao Guo, Jiancheng Wu, Wenwen Zuo +38

Recent discoveries with the James Webb Space Telescope of massive black holes at high redshift have highlighted fundamental questions about black hole seed formation and the coevol…

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

Magnetically Arrested Discs Powering Jets in a Large Sample of Low-Accretion FR I Radio Galaxies

Huibo Fei, Han He, Bei You +4

We study a sample of 289 Fanaroff-Riley type I (FR I) radio galaxies selected from the LOFAR Two-Metre Sky Survey (LoTSS) DR1, identified by their edge-darkened radio morphologies.…

astro-ph.GA2025

The Intermediate-Mass Black Hole Reverberation Mapping Project: First Detection of Mid-Infrared Lags in Prototypical IMBHs in NGC 4395 and POX 52

Jingbo Sun, Hengxiao Guo, Wenwen Zuo +25

The search for robust evidence of intermediate-mass black holes (IMBHs) is crucial for understanding black hole seeding process and the formation of supermassive black holes in the…

astro-ph.GA2025

Constraints on the fractional changes of the fundamental constants at a look-back time of 2.5 Myrs

Renzhi Su, Tao An, Stephen J. Curran +3

The quantum nature of gravity remains one of the greatest mysteries of modern physics, with many unified theories predicting variations in fundamental constants across space and ti…