activity
20232026
most citedSpatially resolved dust properties over 50 kpc in a hyperluminous galaxy merger at

9 citations · 24 across the 16 of their papers we have counts for

collaborators

21 papers

astro-ph.IM2026

ALMA2040: Mapping the Spatially Resolved Dust and Star Formation Physics Driving High-z Galaxy Assembly

Daizhong Liu, Gergö Popping, Pierre Cox +19

Interstellar dust reprocesses approximately half of the starlight emitted across cosmic history. However, dust temperature, which is essential to convert continuum flux into dust m…

astro-ph.IM2026

The dawn of the first galaxies

Livia Vallini, Tanio Diaz Santos, Belen Alcalde Pampliega +56

Understanding how the first galaxies assembled their stellar mass at cosmic dawn is a central frontier of modern astrophysics. JWST has now revealed an unexpected population of ult…

astro-ph.GA2026

PAHSPECS: JWST/MIRI Spectroscopy of PAHs at Cosmic Noon

Irene Shivaei, Tanio Díaz Santos, Leindert A. Boogaard +14

The physical conditions of the interstellar medium (ISM) are thought to differ greatly at high redshifts compared to local galaxies. Polycyclic aromatic hydrocarbons (PAHs) are key…

astro-ph.GA2026

Surveying the Universe in 4D: Beating Cosmic Variance with Wide-Field Slitless Spectroscopy from HST, JWST, Euclid, Roman, and Beyond

Andreea Petric, Gaël Noirot, Stacey Alberts +71

We summarize strategies, lessons learned, and future directions from the Space Telescope Science Institute workshop Surveying the Universe in 4D: Beating Cosmic Variance with Wide-…

astro-ph.GA2026

An Archival Calibration of JWST/MIRI Prism Wide-Field Slitless Spectroscopy: Methodology, Performance, and a Mid-Infrared Spectral Atlas of Galaxies at in the GOODS-N/S Fields

Fengwu Sun, Javier Álvarez-Márquez, Eiichi Egami +4

Through the Low Resolution Spectroscopy (LRS) observing mode of JWST/MIRI, the P750L prism disperses the entire ~70"110" imager field, turning MIRI into a wide-field slitle…

astro-ph.GA2026

Cosmic Noon Galaxies in the Hubble Ultra Deep Field with MIRI Wide-Field Slitless Spectroscopy

S. Kendrew, G. Östlin, L. Colina +29

We present results from a survey of the Hubble Ultra-Deep Field using the Wide-Field Slitless Spectroscopic (WFSS) capability of the Mid-Infrared Instrument (MIRI) on JWST, demonst…

astro-ph.GA2026

Resolved SED modelling with JWST and ALMA: the role of stellar mass surface density in regulating star formation in cosmic noon galaxies

Cheng-Lin Liao, Leindert A. Boogaard, Jacqueline A. Hodge +27

We present kpc-scale () physical property maps of 35 main-sequence galaxies at , with stellar masses of and star f…

astro-ph.GA2026

The Koi Pond: A Strongly Lensed Protocluster Core hosting a Diverse Population of DSFGs

Nicholas Foo, Kevin C. Harrington, Brenda L. Frye +29

We present James Webb Space Telescope (JWST) and Atacama Large Millimeter Array (ALMA) observations of PJ0846+15, \textit{The Koi Pond}, a strongly lensed protocluster core at Cosm…

astro-ph.GA2026

PAHSPECS: Polycyclic aromatic hydrocarbon properties at cosmic noon with JWST/MIRI MRS

Cristina Maria Lofaro, Tanio Díaz Santos, Irene Shivaei +13

Context. Cosmic noon (z ~ 1-3) marks the peak of the cosmic star-formation rate density, when dust-obscured star formation dominated galaxy growth. Mid-infrared spectroscopy probes…

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★ 1 cited

Little Red Dots: One Photometric Tag Concealing Diverse Spectroscopic Flavors of Massive Star Formation and Black Hole Activity

Pablo G. Pérez-González, Guillermo Barro, Stefano Carniani +61

We compile JWST/NIRSpec prism and MIRI data for 249 Little Red Dots (LRDs) at 2.3<z<9.3, forming a representative spectroscopic subset of NIRCam-selected LRDs. We derive a median s…

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

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★ 3 cited

Hot Diggity Dog: Simultaneous CO and Dust Modeling of the Most Luminous WISE Hot Dust-Obscured Galaxy Unveils Extreme Molecular Gas Excitation

Kevin C. Harrington, Román Fernández Aranda, Leindert Boogaard +7

Hot dust-obscured galaxies (Hot DOGs), the most infrared (IR) luminous objects selected by the WISE all-sky mid-IR survey, have yielded a sample of intrinsically luminous quasars (…

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★ 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★ 4 cited

CO spectra of the ISM in the Host Galaxies of the Most Luminous WISE-Selected AGNs

Lee R. Martin, Andrew W. Blain, Tanio Díaz-Santos +7

We present observations of mid-J J=4-3 or J=5-4 carbon monoxide (CO) emission lines and continuum emission from a sample of ten of the most luminous log(L/L_solar)~14 Hot Dust-Obsc…

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.GA2023

Quasar Feedback Survey: molecular gas affected by central outflows and by ~10 kpc radio lobes reveal dual feedback effects in `radio quiet' quasars

A. Girdhar, C. M. Harrison, V. Mainieri +17

We present a study of molecular gas, traced via CO (3-2) from ALMA data, of four z< 0.2, `radio quiet', type 2 quasars (log [L(bol)/(erg/s)] = 45.3 - 46.2; log [L(1.4 GHz)/(W/Hz)]…