activity
20202026
most citedAccurate dust temperature determination in a galaxy

80 citations · 782 across the 100 of their papers we have counts for

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Showing 2024Show all

17 papers · 1 filter

astro-ph.GA2024★ 3 cited

Hidden in Pixels. I. Discovery of dual "little red dots" indicates excess clustering on kilo-parsec scales

Takumi S. Tanaka, John D. Silverman, Kazuhiro Shimasaku +56

``Little Red Dots'' (LRDs) are an abundant high-redshift population newly discovered by the James Webb Space Telescope (JWST) and considered to be an early growth phase of supermas…

astro-ph.GA2024★ 3 cited

Exploring the Nature of Little Red Dots: Constraints on AGN and Stellar Contributions from PRIMER MIRI Imaging

Gene C. K. Leung, Steven L. Finkelstein, Pablo G. Pérez-González +20

JWST has revealed a large population of compact, red galaxies at known as Little Red Dots (LRDs). We analyze the spectral energy distributions (SEDs) of 95 LRDs from the JWST…

astro-ph.GA2024★ 1 cited

ALMA detection of [OIII] 88um at z=12.33: Exploring the Nature and Evolution of GHZ2 as a Massive Compact Stellar System

Jorge A. Zavala, Tom Bakx, Ikki Mitsuhashi +21

We present ALMA observations on the high-redshift galaxy GHZ2 and report a successful detection of the rest-frame 88um atomic transition from doubly-ionized Oxygen at z=12.3327+/-0…

astro-ph.CO2024

Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z>2 with JWST

J. D. R. Pierel, D. A. Coulter, M. R. Siebert +38

The James Webb Space Telescope} (JWST) is opening new frontiers of transient discovery and follow-up at high-redshift. Here we present the discovery of a spectroscopically confirme…

astro-ph.GA2024★ 61 cited

COSMOS-Web: stellar mass assembly in relation to dark matter halos across of cosmic history

M. Shuntov, O. Ilbert, S. Toft +43

We study the stellar mass function (SMF) and the co-evolution with dark matter halos via abundance matching in the largest redshift range to date in $0.53 \, {\rm deg}^2…

astro-ph.GA2024★ 13 cited

COSMOS-Web: A history of galaxy migrations over the stellar mass-star formation rate plane

R. C. Arango-Toro, O. Ilbert, L. Ciesla +39

The stellar mass-star formation rate (-) plane is a fundamental diagnostic for distinguishing galaxy populations. However, the evolutionary pathways of…

astro-ph.GA2024

Strong rest-UV emission lines in a "little red dot" AGN at : Early SMBH growth alongside compact massive star formation?

Hollis B. Akins, Caitlin M. Casey, Danielle A. Berg +11

JWST has now revealed a population of broad-line AGN at characterized by a distinctive SED shape, with very red rest-frame optical and very blue rest-frame UV continuum. Whil…

astro-ph.GA2024

Crimson Behemoth: a Massive Clumpy Structure Hosting a Dusty AGN at

Takumi S. Tanaka, John D. Silverman, Yurina Nakazato +40

The current paradigm for the co-evolution of galaxies and their supermassive black holes postulates that dust-obscured active galactic nuclei (AGNs) represent a transitional phase…

astro-ph.GA2024★ 15 cited

Not-so-little Red Dots: Two massive and dusty starbursts at z~5-7 pushing the limits of star formation discovered by JWST in the COSMOS-Web survey

Fabrizio Gentile, Caitlin M. Casey, Hollis B. Akins +24

We present the properties of two candidate massive () and dusty ( mag) galaxies at in the first 0.28 deg of the COSMOS-Web sur…

astro-ph.HE2024★ 11 cited

The case for super-Eddington accretion in JWST broad-line AGN during the first billion years

Erini Lambrides, Rebecca Larson, Kristen Garofali +23

A multitude of JWST studies reveal a surprising over-abundance of over-massive accreting super-massive black holes (SMBHs) -- leading to a deepening tension between theory and obse…

astro-ph.GA2024★ 4 cited

The Extended Mapping Obscuration to Reionization with ALMA (Ex-MORA) Survey: 5 Source Catalog and Redshift Distribution

Arianna S. Long, Caitlin M. Casey, Jed McKinney +41

One of the greatest challenges in galaxy evolution over the last decade has been constraining the prevalence of heavily dust-obscured galaxies in the early Universe. At , thes…

astro-ph.GA2024

Silencing the Giant: Evidence of AGN Feedback and Quenching in a Little Red Dot at z = 4.13

Vasily Kokorev, John Chisholm, Ryan Endsley +8

The James Webb Space Telescope (JWST) has uncovered a ubiquitous population of dust-obscured compact sources at . Many of these objects exhibit signs of active galactic…

astro-ph.GA2024★ 2 cited

Dust in Little Red Dots

Caitlin M. Casey, Hollis B. Akins, Vasily Kokorev +5

JWST has revealed a ubiquitous population of ``little red dots'' (LRDs) at , selected via their red rest-frame optical emission and compact morphologies. They are though…

astro-ph.GA2024★ 16 cited

COSMOS-Web: The over-abundance and physical nature of "little red dots"--Implications for early galaxy and SMBH assembly

Hollis B. Akins, Caitlin M. Casey, Erini Lambrides +38

JWST has revealed a population of compact and extremely red galaxies at , which likely host active galactic nuclei (AGN). We present a sample of 434 ``little red dots'' (LRDs)…

astro-ph.GA2024

COSMOS-Web: The Role of Galaxy Interactions and Disk Instabilities in Producing Starbursts at z<4

A. L. Faisst, L. Yang, M. Brinch +51

We study of the role of galaxy-galaxy interactions and disk instabilities in producing starburst activity in galaxies out to z = 4. For this, we use a sample of 387 galaxies with r…

astro-ph.GA2024★ 23 cited

The Rise of Faint, Red AGN at : A Sample of Little Red Dots in the JWST Extragalactic Legacy Fields

Dale D. Kocevski, Steven L. Finkelstein, Guillermo Barro +54

We present a sample of 341 "little red dots" (LRDs) spanning the redshift range using data from the CEERS, PRIMER, JADES, UNCOVER and NGDEEP surveys. Unlike past use of…

astro-ph.GA2024★ 66 cited

A luminous and young galaxy at z=12.33 revealed by a JWST/MIRI detection of Hα and [OIII]

Jorge A. Zavala, Marco Castellano, Hollis B. Akins +37

The James Webb Space Telescope (JWST) has discovered a surprising population of bright galaxies in the very early universe (<500 Myrs after the Big Bang) that is hard to explain wi…