activity
20212026
most citedSpatial variations in aromatic hydrocarbon emission in a dust-rich galaxy

66 citations · 315 across the 41 of their papers we have counts for

collaborators

42 papers

astro-ph.GA2026

A large overdensity of LRD-like galaxies discovered by JWST in the SPT2349-56 protocluster at z=4.30

Scott C. Chapman, Kedar A. Phadke, Nikolaus Sulzenauer +20

We present 11 newly identified ultra-red galaxies selected with JWST/NIRCam in the core of the z=4.3 protocluster SPT2349-56. Although these sources are not yet spectroscopically c…

astro-ph.GA2026

ALMA Chemical Evolution (ACE) survey: an overview -- extending dust and gas inference to low metallicities at cosmic noon

Irene Shivaei, Gergő Popping, Leindert A. Boogaard +13

The baryon cycle governs the exchange of gas, metals, and dust between galaxies and their environments, but simultaneous constraints on these constituents remain scarce beyond z~1.…

astro-ph.GA2026

ALMA Chemical Evolution (ACE) Survey: Molecular gas properties of low-mass, low-metallicity galaxies at cosmic noon

Gergő Popping, Ivanna Langan, Nikki N. Geesink +13

Molecular gas plays a central role in regulating star formation and galaxy evolution, yet observational constraints at cosmic noon remain biased toward massive, metal-rich systems.…

astro-ph.GA2026

ALMA Chemical Evolution (ACE) survey: the dust content of subsolar metallicity galaxies at cosmic noon

M. Solimano, I. Shivaei, G. Popping +11

Dust plays a key role in galaxy evolution by influencing star formation and shaping the observed spectrum of galaxies. However, at z~2 (cosmic noon) our knowledge of the dust mass…

astro-ph.GA2026

ALMA Chemical Evolution (ACE) survey: dust-to-gas ratios in sub-solar metallicity galaxies at cosmic noon

N. N. Geesink, G. Popping, L. A. Boogaard +11

Dust is a fundamental component of the interstellar medium and provides a key tracer of the baryon cycle that regulates galaxy evolution. The dust-to-gas ratio links metals in the…

astro-ph.GA2026

ALMA Chemical Evolution (ACE) survey: The gas fundamental metallicity relation at cosmic noon

I. Langan, I. Shivaei, G. Popping +11

Chemical enrichment shapes how galaxies form and evolve. The gas-phase metallicity is directly linked to the stellar mass, star formation rate, and cold gas of the interstellar med…

astro-ph.GA2026

Tracing Lyman alpha escape in the CRISTAL-02 galaxy at z~5.3

Arshi Ali, Lucia Guaita, Manuel Aravena +20

We investigate the mechanisms regulating Lyman-alpha (Ly) escape in the star-forming galaxy CRISTAL-02 at z~5.3. The galaxy has clumpy morphology, suggestive that it may be inte…

astro-ph.GA2026

An extreme ram-pressure stripping event in a protocluster at redshift 4.3

Dazhi Zhou, Scott C. Chapman, Manuel Aravena +16

In the nearby Universe, the environment plays a crucial role in suppressing star formation in dense regions. In particular, ram-pressure stripping (RPS) is a major mechanism for re…

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.GA2026

A census of star-formation and gas mass tracers in two lensed dusty star-forming galaxies

David Vizgan, Joaquin D. Vieira, Justin S. Spilker +20

We present new and archival Atacama Large Millimeter/submillimeter Array (ALMA) observations of two strongly lensed dusty star-forming galaxies (DSFGs) selected from the South Pole…

astro-ph.GA2025

An Overabundance of Radio-AGN in the SPT2349-56 Protocluster: Preheating the Intra-Cluster Medium

Scott C. Chapman, Roger P. Deane, Dazhi Zhou +22

Following the detection of a radio-loud Active Galactic Nucleus (AGN) in the z=4.3 protocluster SPT2349-56, we have obtained additional observations with MeerKAT in S-band (2.4 GHz…

astro-ph.GA2025

The ALPINE-CRISTAL-JWST Survey: Stellar and nebular dust attenuation of main-sequence galaxies at z~4-6

Akiyoshi Tsujita, Seiji Fujimoto, Andreas Faisst +39

Characterizing dust attenuation is crucial for revealing the intrinsic physical properties of galaxies. We present an analysis of dust attenuation in 18 spectroscopically confirmed…

astro-ph.GA2025

Ly-alpha emission reveals two satellite halos around massive groups at z ~ 3: the puzzling case of a quiescent central galaxy

Sicen Guo, Emanuele Daddi, Raphael Gobat +17

We present the discovery and characterisation of two Ly nebulae (LANs), RO-1001-Sat and RO-0959-Sat, as satellite structures of two giant LANs at and 3.092. They are f…

astro-ph.GA2025★ 10 cited

The ALPINE-CRISTAL-JWST Survey: Revealing Less Massive Black Holes in High-Redshift Galaxies

Wenke Ren, John D. Silverman, Andreas L. Faisst +25

We present a systematic search for broad-line active galactic nuclei (AGNs) in the ALPINE-CRISTAL-JWST sample of 18 star-forming galaxies () at redshift…

astro-ph.GA2025★ 2 cited

Bright [CII]158m Streamers as a Beacon for Giant Galaxy Formation in SPT234956 at

Nikolaus Sulzenauer, Axel Weiß, Ryley Hill +17

Observations of extreme starbursts, often located in the cores of protoclusters, challenge the classical bottom-up galaxy formation paradigm. Giant elliptical galaxies at mus…

astro-ph.GA2025★ 5 cited

A large thermal energy reservoir in the nascent intracluster medium at a redshift of 4.3

Dazhi Zhou, Scott Chapman, Manuel Aravena +21

Most baryons in present-day galaxy clusters exist as hot gas (), forming the intracluster medium (ICM). Cosmological simulations predict th…

astro-ph.GA2025★ 15 cited

The ALMA-CRISTAL survey: Resolved kinematic studies of main sequence star-forming galaxies at 4<z<6

Lilian L. Lee, Natascha M. Förster Schreiber, Rodrigo Herrera-Camus +30

We present a detailed kinematic study of a sample of 32 massive () main-sequence star-forming galaxies (MS SFGs) at from…

astro-ph.GA2025

Hiding behind a curtain of dust: Gas and dust properties of an ultra-luminous strongly-lensed z = 3.75 galaxy behind the Milky Way disk

Belén Alcalde Pampliega, Kevin C. Harrington, Aristeidis Amvrosiadis +21

We present a detailed analysis of J154506, a strongly lensed submillimeter galaxy behind the Lupus-I molecular cloud, and characterisation of its physical properties using a combin…

astro-ph.GA2025

The ALMA-CRISTAL survey: weak evidence for star-formation driven outflows in main-sequence galaxies

Jack E. Birkin, Justin S. Spilker, Rodrigo Herrera-Camus +23

There is a broad consensus from theory that stellar feedback in galaxies at high redshifts is essential to their evolution, alongside conflicting evidence in the observational lite…

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.GA2024★ 6 cited

A Large Molecular Gas Reservoir in the Protocluster SPT234956 at

Dazhi Zhou, Scott C. Chapman, Nikolaus Sulzenauer +13

We present Atacama Compact Array (ACA) Band-3 observations of the protocluster SPT234956, an extreme system hosting submillimeter galaxies (SMGs) at $z\,{=}\,4.3…

astro-ph.GA2024★ 8 cited

Transverse clues on the kpc-scale structure of the circumgalactic medium as traced by C IV absorption

S. Lopez, A. Afruni, D. Zamora +13

We present VLT/MUSE integral-field spectroscopy () of four giant gravitational arcs exhibiting strong C IV absorption at 8 intervening redshifts, $z_{abs}\approx 2…

astro-ph.GA2024

The ALMA-CRISTAL Survey: Spatially-resolved Star Formation Activity and Dust Content in 4 < z < 6 Star-forming Galaxies

Juno Li, Elisabete Da Cunha, Jorge González-López +28

Using a combination of HST, JWST, and ALMA data, we perform spatially resolved spectral energy distributions (SED) fitting of fourteen 4<z<6 UV-selected main-sequence galaxies targ…

astro-ph.GA2024★ 16 cited

JWST PRIMER: A lack of outshining in four normal z =4-6 galaxies from the ALMA-CRISTAL Survey

N. E. P. Lines, R. A. A. Bowler, N. J. Adams +28

We present a spatially resolved analysis of four star-forming galaxies at using data from the JWST PRIMER and ALMA-CRISTAL surveys to probe the stellar and inter-st…