output
19952026
most citedThe Demography of Massive Dark Objects in Galaxy Centres

4k citations

986 papers

astro-ph.EP2026

The Science Potential of Characterizing Gas Giant Exoplanets with HWO

Beck Dacus, Jean-Baptiste Ruffio, Quinn Konopacky +19

With the ability to directly image Earth-like exoplanets and search their atmospheres for biosignatures, the upcoming Habitable Worlds Observatory (HWO) will also collect high sign…

astro-ph.GA2022★ 18 cited

Multiple shock fronts in RBS 797: the Chandra window on shock heating in galaxy clusters

F. Ubertosi, M. Gitti, F. Brighenti +11

Using 427 ks of Chandra observations, we present a study of shock heating and ICM cooling in the galaxy cluster RBS 797. We discover three nested pairs of weak shocks at roug…

astro-ph.GA2022★ 7 cited

Chasing ICM cooling and AGN feedback from the macro to the meso scales in the galaxy cluster ZwCl 235

F. Ubertosi, M. Gitti, F. Brighenti

We aim to investigate the AGN/ICM interplay in ZwCl 235, a galaxy cluster with high X-ray flux, an extended central radio galaxy, and evidence of multi-phase gas at its center. Usi…

astro-ph.GA2022★ 98 cited

A Magnified Compact Galaxy at Redshift 9.51 with Strong Nebular Emission Lines

Hayley Williams, Patrick L. Kelly, Wenlei Chen +21

Ultraviolet light from early galaxies is thought to have ionized gas in the intergalactic medium. However, there are few observational constraints on this epoch because of the fain…

astro-ph.GA2022★ 8 cited

The need for multicomponent dust attenuation in modeling nebular emission: Constraints from SDSS-IV MaNGA

Xihan Ji, Renbin Yan, Kevin Bundy +12

A fundamental assumption adopted in nearly every extragalactic emission-line study is that the attenuation of different emission lines can be described by a single attenuation curv…

astro-ph.GA2022★ 150 cited

Overview of the DESI Milky Way Survey

Andrew P. Cooper, Sergey E. Koposov, Carlos Allende Prieto +62

We describe the Milky Way Survey (MWS) that will be undertaken with the Dark Energy Spectroscopic Instrument (DESI) on the Mayall 4m telescope at the Kitt Peak National Observatory…

astro-ph.GA2022★ 350 cited

A Long Time Ago in a Galaxy Far, Far Away: A Candidate z ~ 12 Galaxy in Early JWST CEERS Imaging

Steven L. Finkelstein, Micaela B. Bagley, Pablo Arrabal Haro +117

We report the discovery of a candidate galaxy with a photo-z of z~12 in the first epoch of the JWST Cosmic Evolution Early Release Science (CEERS) Survey. Following conservative se…

cond-mat.mtrl-sci2022

Semiconductor-like Optical Properties Unveiled by Modeling of Short-Period Aluminum Oxide-Copper Multi-Layered Nanocomposites Deposited by Sputtering Atomic Layer Augmented Deposition (SALAD)

Søren A. Tornøe, Jacob H. Sands, Nobuhiko P. Kobayashi

In our previous publication, we discussed the optical properties of multi-layered nanocomposite samples consisting of 300 pairs of an AlOx layer and a Cu layer produced from sputte…

astro-ph.GA2022

SDSS-IV MaNGA: How the stellar populations of passive central galaxies depend on stellar and halo mass

Grecco A. Oyarzun, Kevin Bundy, Kyle B. Westfall +23

We analyze spatially resolved and co-added SDSS-IV MaNGA spectra with signal-to-noise ~100 from 2200 passive central galaxies (z~0.05) to understand how central galaxy assembly dep…

astro-ph.IM2022★ 465 cited

Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument

B. Abareshi, J. Aguilar, S. Ahlen +264

The Dark Energy Spectroscopic Instrument (DESI) has embarked on an ambitious five-year survey to explore the nature of dark energy with spectroscopy of 40 million galaxies and quas…

astro-ph.GA2022★ 10 cited

Light from the Darkness: Detecting Ultra-Diffuse Galaxies in the Perseus Cluster through Over-densities of Globular Clusters with a Log-Gaussian Cox Process

Dayi Li, Gwendolyn M. Eadie, Roberto G. Abraham +6

We introduce a new method for detecting ultra-diffuse galaxies by searching for over-densities in intergalactic globular cluster populations. Our approach is based on an applicatio…

astro-ph.GA2022★ 28 cited

The MaNGA FIREFLY Value-Added-Catalogue: resolved stellar populations of 10,010 nearby galaxies

Justus Neumann, Daniel Thomas, Claudia Maraston +14

We present the MaNGA FIREFLY Value-Added-Catalogue (VAC) - a catalogue of ~3.7 million spatially resolved stellar population properties across 10,010 nearby galaxies from the final…

astro-ph.GA2022★ 16 cited

The halo of M105 and its group environment as traced by planetary nebula populations: II. Using kinematics of single stars to unveil the presence of intragroup light around the Leo I galaxies NGC 3384 and M105

J. Hartke, M. Arnaboldi, O. Gerhard +11

M105 is an early-type galaxy in the nearby Leo I group, the closest galaxy group to contain all galaxy types and therefore an excellent environment to explore the low-mass end of i…

astro-ph.GA2021

SDSS-IV MaNGA: Cannibalism Caught in the Act -- on the Frequency of Occurrence of Multiple Cores in Brightest Cluster Galaxies

Yun-Hsin Hsu, Yen-Ting Lin, Song Huang +16

Although it is generally accepted that massive galaxies form in a two-phased fashion, beginning with a rapid mass buildup through intense starburst activities, followed by primaril…

astro-ph.CO2021★ 5 cited

HeII Ly Transmission Spikes and Absorption Troughs in Eight High-resolution Spectra Probing the End of HeII Reionization

Kirill Makan, Gábor Worseck, Frederick B. Davies +3

We present statistics of HeII Lya transmission spikes and large-scale absorption troughs using archival high-resolution (-) far-UV spectra of eight HeI…

astro-ph.GA2021★ 37 cited

The chemical composition of globular clusters in the Local Group

S. S. Larsen, P. Eitner, E. Magg +5

We present detailed abundance measurements for 45 globular clusters (GCs) in galaxies in (and, in one case, beyond) the Local Group. The measurements are based on new high-resoluti…

astro-ph.GA2021★ 68 cited

NGC5846-UDG1: A galaxy formed mostly by star formation in massive, extremely dense clumps of gas

Shany Danieli, Pieter van Dokkum, Sebastian Trujillo-Gomez +10

It has been shown that ultra-diffuse galaxies (UDGs) have higher specific frequencies of globular clusters on average than other dwarf galaxies with similar luminosities. The UDG N…

astro-ph.GA2021★ 45 cited

Ultra-Diffuse Galaxies in the Perseus Cluster: Comparing Galaxy Properties with Globular Cluster System Richness

Jonah S. Gannon, Duncan A. Forbes, Aaron J. Romanowsky +6

It is clear that within the class of ultra-diffuse galaxies (UDGs) there is an extreme range in the richness of their associated globular cluster (GC) systems. Here, we report the…

astro-ph.GA2021★ 31 cited

The deepest view of RBS 797: evidence for two pairs of equidistant X-ray cavities

Francesco Ubertosi, Myriam Gitti, Fabrizio Brighenti +14

We present the first results of a deep observation of the galaxy cluster RBS 797, whose previous X-ray studies revealed two pronounced X-ray cavities in the east-west (E-…

astro-ph.GA2021★ 12 cited

Discovery of a protocluster core associated with an enormous Ly Nebula at

Qiong Li, Ran Wang, Helmut Dannerbauer +10

The MAMMOTH-1 nebula at is an enormous Ly nebula (ELAN) extending to a 440 kpc scale at the center of the extreme galaxy overdensity BOSS 1441. In this paper, we…

astro-ph.IM2021★ 120 cited

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections

Karl Gebhardt, Erin Mentuch Cooper, Robin Ciardullo +60

We describe the survey design, calibration, commissioning, and emission-line detection algorithms for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). The goal of HETDEX…

astro-ph.IM2021★ 151 cited

The HETDEX Instrumentation: Hobby-Eberly Telescope Wide Field Upgrade and VIRUS

Gary J. Hill, Hanshin Lee, Phillip J. MacQueen +46

The Hobby-Eberly Telescope (HET) Dark Energy Experiment (HETDEX) is undertaking a blind wide-field low-resolution spectroscopic survey of 540 square degrees of sky to identify and…

astro-ph.CO2021

A Novel Framework for Modeling Weakly Lensing Shear Using Kinematics and Imaging at Moderate Redshift

Brian DiGiorgio, Kevin Bundy, Kyle B. Westfall +2

Kinematic weak lensing describes the distortion of a galaxy's projected velocity field due to lensing shear, an effect recently reported for the first time by Gurri et al. based on…

astro-ph.GA2021★ 9 cited

The Baltimore Oriole's Nest: Cool Winds from the Inner and Outer Parts of a Star-Forming Galaxy at z=1.3

Weichen Wang, Susan A. Kassin, S. M. Faber +12

Strong galactic winds are ubiquitous at . However, it is not well known where inside galaxies these winds are launched from. We study the cool winds (\,K) in…