activity
20222026
most citedOptical Variability of Quasars with 20-Year Photometric Light Curves

75 citations · 98 across the 16 of their papers we have counts for

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8 papers · 1 filter

astro-ph.HE2026

NEXUS: Discovery of a Luminous Young Transient at

Ming-Yang Zhuang, Yue Shen, Lei Hu +8

We report the discovery of AT 2026abck, a young transient in a star-forming galaxy at , identified from Year-2 observations of the NEXUS JWST treasury program. AT…

astro-ph.HE2026

NEXUS: Transient Searches and First Results from Year One Observations

Ming-Yang Zhuang, Lei Hu, Justin D. R. Pierel +10

We describe ongoing efforts of high-redshift transient searches using multi-epoch NIRCam imaging (F200W+F444W) and NIRSpec MSA/PRISM spectroscopy from the NEXUS JWST multi-cycle Tr…

astro-ph.GA2026

NEXUS: Spectral Variability of Little Red Dots and Blue Active Galactic Nuclei at

Zachary Stone, Yue Shen, Ming-Yang Zhuang +4

We present spectral measurements for 17 Little Red Dots (LRDs) and 14 blue broad-line active galactic nuclei (AGNs) at using multi-epoch JWST NIRSpec MSA s…

astro-ph.GA2026

The Twentieth Data Release of the Sloan Digital Sky Survey: First All-Sky BOSS Spectra, eROSITA-SDSS-V Mapper Coordinated Observations, and a Preview of the Local Volume Mapper

SDSS Collaboration, Mojgan Aghakhanloo, David Aguilar +273

This paper presents the twentieth data release (DR20) from the Sloan Digital Sky Survey, the third data release of its fifth generation (SDSS-V). SDSS-V is a panoptic spectroscopy…

astro-ph.GA2026

NEXUS: Abundance, Environments, and Spectral Diversity of Little Red Dots from the NIRSpec MSA Sample

Zhiwei Pan, Ming-Yang Zhuang, Yue Shen +6

We present a comprehensive study of Little Red Dots (LRDs) at 2.3 < z < 7.4 using NIRCam photometry and NIRSpec MSA/PRISM spectra from the ongoing NEXUS program. Photometric select…

astro-ph.GA2026★ 1 cited

Identifying Changing-Look AGN Transitions in Light Curve Data with the Zwicky Transient Facility

Margaret E. Verrico, K. Decker French, Vivienne F. Baldassare +10

Changing-Look AGN (CL-AGN) are AGN which transition between Seyfert types, challenging AGN unification models. Most CL-AGN have been identified via repeat spectroscopy, making it d…

astro-ph.GA2026

JWST's PEARLS: A clumpy ring galaxy at

David Vizgan, Ming-Yang Zhuang, Ian Smail +22

Ring galaxies are an uncommon class of galaxies whose morphology is closely related to dynamical processes that govern galaxy evolution. Some ring galaxies, known as "collisional r…

astro-ph.HE2026

Transient Relativistic Iron Emission Line from an X-ray Flaring Supermassive Black Hole

Xiurui Zhao, Marco Ajello, Francesca Civano +16

We report the discovery of the first transient relativistic iron Kα line in an Active Galactic Nucleus (AGN) J1047+5907. The line was detected 21.5 days (rest-frame) after an X-ray…