activity
20212026
most citedDiscovery and Timing of Millisecond Pulsars in the Globular Cluster M5 (NGC 5904) with FAST and Arecibo

16 citations · 60 across the 26 of their papers we have counts for

collaborators

27 papers

astro-ph.GA2026

ALOHA IRDCs Molecular Line Follow-up: I. Gas properties and kinematics

Jinjin Xie, Yaoting Yan, Zhiyuan Ren +109

Infrared Dark Clouds are ideal sites for investigating the initial conditions of massive star and cluster formation. The A Lei Of the Habitat and Assembly of Infrared Dark Clouds (…

astro-ph.GA2026

Hidden Monsters with SPHEREx I: A goldmine for heavily reddened quasars at cosmic noon

Matthew Stepney, Manda Banerji, Franz E. Bauer +2

Heavily reddened quasars (HRQs) are luminous, dust-obscured broad-line quasars thought to represent a short-lived phase of intense black hole growth and feedback. Previous studies…

astro-ph.GA2026

A Deep Study of the Spiral Galaxy W2246f

Evelyn J. Johnston, Sorya Lambert, Aparna Nair +10

In this era of large surveys and statistical studies of galaxies, the beauty in the details of individual galaxies is often lost. We present a deep study of the spiral galaxy W2246…

astro-ph.GA2026

AGN Variability with Rubin Observatory in the 2030s

Swayamtrupta Panda, Francisco Pozo Nuñez, Hygor Benati Gonçalves +4

AGN variability offers a direct probe of accretion physics, disk structure, and black hole growth, but progress has been limited by sample size, cadence heterogeneity, and photomet…

astro-ph.GA2026

Evidence of Gas Depletion in Quasars with Moderate Radio Emission

Yuhan Wen, Ran Wang, Luis C. Ho +4

The energy released by active galactic nuclei (AGNs) is considered to have a profound impact on the cold gas properties of their host galaxies, potentially heating or removing the…

astro-ph.GA2025

Predicting Quasar Counts Detectable in the LSST Survey

Guodong Li, Roberto J. Assef, W. N. Brandt +11

The Legacy Survey of Space and Time (LSST), being conducted by the Vera C. Rubin Observatory, is a wide-field multi-band survey that will revolutionize our understanding of extraga…

astro-ph.GA2025

Investigating the Impacts of AGN Activities on Dwarf Galaxies with FAST HI Observations

Hong-Ying Chen, Chao-Wei Tsai, Pei Zuo +9

We present the results of Hi line observations towards 26 Active Galactic Nuclei (AGN)-hosting and one star-forming dwarf galaxies (Mstar < 10^9.5 Msun) with the 19-beam spectral l…

astro-ph.GA2025

Probing the Physics of Dusty Outflows through Complex Organic Molecules in the Early Universe

Andrey Vayner, Tanio Díaz-Santos, Carl D. Ferkinhoff +22

Galaxy-scale outflows are of critical importance for galaxy formation and evolution. Dust grains are the main sites for the formation of molecules needed for star formation but are…

astro-ph.GA2025

VAR-PZ: Constraining the Photometric Redshifts of Quasars using Variability

S. Satheesh-Sheeba, R. J. Assef, T. Anguita +33

The Vera C. Rubin Observatory LSST is expected to discover tens of millions of new Active Galactic Nuclei (AGNs). The survey's exceptional cadence and sensitivity will enable UV/op…

astro-ph.GA2025

Investigating Little Red Dots with UV Excess: Are They the High-Redshift Siblings of Blue Hot DOGs?

Lulu Bao, Chao-Wei Tsai, Jingwen Wu +7

Little Red Dots (LRDs), newly identified compact and dusty galaxies with an unexpectedly high number density observed by JWST, have an unusual "V-shaped" rest-frame UV to near-infr…

astro-ph.GA2025

Multi-Component Ionized Gas Outflows in a Hot Dust-Obscured Galaxy W2026+0716 with Keck/OSIRIS

Chao Liu, Chao-Wei Tsai, Peter R. M. Eisenhardt +15

We present narrowband-filtered integral field unit (IFU) observations of the Hot Dust-Obscured Galaxy (Hot DOG) WISE J202615.27071624.0 (hereafter W20260716) at redshift $z=2…

astro-ph.GA2025★ 2 cited

A Massive Gas Outflow Outside the Line-of-Sight: Imaging Polarimetry of the Blue Excess Hot Dust Obscured Galaxy W0204-0506

Roberto J. Assef, Marko Stalevski, Lee Armus +18

(Aims) Hot Dust Obscured Galaxies (Hot DOGs) are a population of hyper-luminous, heavily obscured quasars. Although nuclear obscurations close to Compton-thick are typical, a fract…

astro-ph.GA2025★ 1 cited

Resolving the black hole sphere of influence in a hyper-luminous obscured quasar at redshift 4.6

Mai Liao, Roberto J. Assef, Chao-Wei Tsai +17

Supermassive black holes (SMBHs) imprint gravitational signatures on the matter within their sphere of influence (SoI). Nuclear gas dynamics can hence be used to accurately measure…

astro-ph.GA2025★ 4 cited

Searching for Low-Redshift Hot Dust-Obscured Galaxies

Guodong Li, Jingwen Wu, Chao-Wei Tsai +13

Hot Dust-Obscured Galaxies (Hot DOGs), discovered by the "W1W2 dropout" selection at high redshifts ( 2-4), are a rare population of hyper-luminous obscured quasars. Their n…

astro-ph.GA2025

The Host Galaxy of FRB 20190520B and Its Unique Ionized Gas Distribution

Xiang-Lei Chen, Chao-Wei Tsai, Daniel Stern +13

The properties of host galaxies associated with Fast Radio Bursts (FRBs) provide critical information for inferring the progenitors and radiation mechanisms of these bursts. We rep…

astro-ph.GA2025

The Host Galaxy of the Hyperactive Repeating FRB 20240114A: Behind a Galaxy Cluster

Xiang-Lei Chen, Chao-Wei Tsai, Di Li +16

We report on the optical spectroscopic observations of the host galaxy of the hyperactive repeating fast radio burst, FRB 20240114A. The host galaxy is a dwarf galaxy at a redshift…

astro-ph.GA2025★ 9 cited

Spatially resolved dust properties over 50 kpc in a hyperluminous galaxy merger at

Román Fernández Aranda, Tanio Díaz Santos, Evanthia Hatziminaoglou +19

We present spatially resolved dust-continuum ALMA observations from rest-frame 60 to 600 m (bands 3-10) of the hyperluminous hot dust-obscured galaxy (hot DOG) WISE…

astro-ph.GA2024★ 6 cited

Overdensity of Lyman-Break Galaxy Candidates Around Hot Dust-Obscured Galaxies

Dejene Zewdie, Roberto J. Assef, Trystan Lambert +15

Hot dust-obscured galaxies (Hot DOGs), are a family of hyper-luminous, heavily obscured quasars. A number of studies have shown that these objects reside in significantly overdense…

astro-ph.GA2024★ 1 cited

Powerful nuclear outflows and circumgalactic medium shocks driven by the most luminous known obscured quasar in the Universe

Andrey Vayner, Tanio Díaz-Santos, Peter R. M. Eisenhardt +18

We report integral field spectroscopy observations with the Near-Infrared Spectrograph on board JWST targeting the 60 kpc environment surrounding the most luminous obscured quasar…

astro-ph.GA2024★ 3 cited

FAST H I 21 cm study of blueberry galaxies

Yogesh Chandola, Chao-Wei Tsai, D. J. Saikia +3

Green Peas (GPs) and blueberry galaxies (BBs) are thought to be local analogs (0.1) of high redshift Ly emitters. H I study of these can help us understand the star formatio…

astro-ph.GA2024

Black Hole Mass and Eddington Ratio Distribution of Hot Dust-Obscured Galaxies

Guodong Li, Roberto J. Assef, Chao-Wei Tsai +8

Hot Dust-Obscured Galaxies (Hot DOGs) are a rare population of hyper-luminous infrared galaxies discovered by the WISE mission. Despite the significant obscuration of the AGN by du…

astro-ph.GA2024

A benchmark for extreme conditions of the multiphase interstellar medium in the most luminous hot dust-obscured galaxy at z = 4.6

Román Fernández Aranda, Tanio Díaz Santos, Evanthia Hatziminaoglou +21

WISE J224607.6-052634.9 (W2246-0526) is a hot dust-obscured galaxy at = 4.601, and the most luminous obscured quasar known to date. W2246-0526 harbors a heavily obscured superm…

astro-ph.HE2023★ 16 cited

Discovery and Timing of Millisecond Pulsars in the Globular Cluster M5 (NGC 5904) with FAST and Arecibo

Lei Zhang, Paulo C. C. Freire, Alessandro Ridolfi +29

We report on a comprehensive multi-wavelength study of the pulsars in the globular cluster (GC) M5, including the discovery of M5G, a new compact non-eclipsing "black widow" pulsar…

astro-ph.SR2023★ 2 cited

The Initial Mass Function Based on the Full-sky 20-pc Census of 3,600 Stars and Brown Dwarfs

J. Davy Kirkpatrick, Federico Marocco, Christopher R. Gelino +85

A complete accounting of nearby objects -- from the highest-mass white dwarf progenitors down to low-mass brown dwarfs -- is now possible, thanks to an almost complete set of trigo…