activity
20162026
most citedLarge Population of ALMA Galaxies at z>6 with Very High [OIII]88um to [CII]158um Flux Ratios: Evidence of Extremely High Ionization Parameter or PDR Deficit?

188 citations · 1.7k across the 109 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

83 papers · 1 filter

astro-ph.GA2026

The Magnetized Universe: From planet-forming disks to the high-redshift universe

Josep M Girart, Gary Fuller, Wouter Vlemmings +32

The interstellar medium (ISM) is magnetized at all scales and phases in our Galaxy and other galaxies across the Universe. Spectro-polarimetric millimetre observations are essentia…

astro-ph.GA2026

From stardust to interstellar grain growth in the first galaxies: a cosmological transition in dust evolution near z ~ 8.9

Denis Burgarella, Tom J. L. C. Bakx, Raffaella Schneider +7

When and how did dust begin to shape galaxies? Motivated by the identification of an apparent redshift break in galaxy dust masses, suggesting substantially lower dust masses at $z…

astro-ph.GA2026

SERENADE III: Insight into the Origin of the High Dust Temperature and High [O III]/[C II] Ratio at

Ikki Mitsuhashi, Yuichi Harikane, Hiddo S. B. Algera +10

We present an analysis of ALMA high-frequency observations of nine bright Lyman-break galaxies at . Our sample consists of five galaxies at newly obs…

astro-ph.GA2026

RIOJA. Environmental Effects on Stellar Populations and Ionized Gas in a Protocluster at

Wataru Osone, Takuya Hashimoto, Javier Álvarez-Márquez +23

Protoclusters in the epoch of reionization provide key laboratories for investigating how environment shapes early galaxy formation and evolution, and may also have contributed to…

astro-ph.GA2026

Breathing Fire: Hot Dust in the Big Three Dragons at z = 7.15

Gitanjali Rajulal, Hiddo S. B. Algera, Yuma Sugahara +25

We present new Atacama Large Millimeter/submillimeter Array (ALMA) Band 9 () and 4 () observations towards th…

astro-ph.GA2026

Vz-GAL Dusty Star-Forming Galaxies: Revisiting the CO-H2 Conversion Factor Tension

Prachi Prajapati, Axel Weiss, Dominik Riechers +17

The CO luminosity-to-H mass conversion factor () remains a debated uncertainty in determining molecular gas masses of high-redshift dusty star-forming galaxies (DSFGs).…

astro-ph.GA2026

Efficient Interstellar Grain Growth from High Sticking Coefficients on Amorphous Carbon Dust

Clarke J. Esmerian, Duncan Bossion, Francois Dulieu +8

Cosmic dust is the solid phase of the interstellar medium (ISM), classically assumed to be composed of carbonaceous and silicate grains with size distributions spanning …

astro-ph.GA2026

Silicate cosmic dust grain collisions in the interstellar medium: A molecular dynamics study

C. J. Esmerian, S. R. Hashemi, W. M. C. Sameera +7

(abridged) We aim to predict the most important parameters for grain-grain collision outcomes in models of interstellar grain population evolution: the threshold velocities for sha…

astro-ph.GA2026

COSMOS-Web: Star formation along the early Hubble sequence and the evolution of dust over the redshift range 0<z<12

Stephen Eales, Matthew Smith, Tom Bakx +3

We have carried out a stacking analysis with the COSMOS-Web catalogue on one of the deepest ever SCUBA-2 images at 850 microns, allowing us to estimate the mean submillimetre flux…

astro-ph.GA2026

ALMA Band 2 line survey of a clumpy strongly-lensed submillimetre galaxy

Tom J. L. C. Bakx

I present the first molecular line survey of the strongly lensed submillimetre galaxy SPT-S J002706-5007.4 () using the new Atacama Large Millimeter/submillimeter Array (…

astro-ph.GA2026

DREAMS. JWST Spectroscopy of a Galaxy with an ALMA Dust Continuum Detection: Early Dust, Very High , and a Multi-wavelength [OIII] Ratio Discrepancy

Kana Takechi, Masami Ouchi, Kimihiko Nakajima +10

We present a deep DREAMS JWST/NIRSpec MSA medium-grating spectrum of MACS0416-Y1, a galaxy at with the highest-redshift ALMA dust continuum detection to date, in order to…

astro-ph.GA2026

Breathless BEARS: [O] 88m Emission of Dusty Star-Forming Galaxies at

T. J. L. C. Bakx, Hiddo S. B. Algera, Prachi Prajapati +13

We present [O] 88m observations towards four -selected dusty star-forming galaxies (DSFGs; log L/L = 13.5 - 14 at $z…

astro-ph.GA2025

AtLAST -- A five fold increase in the number of identified Strongly Lensed Galaxies in the sub-millimetre and its consequences

Joaquín González-Nuevo, Laura Bonavera, Juan Alberto Cano +6

Strong gravitational lensing is a powerful probe of cosmology, dark matter (DM), and high-redshift galaxy evolution, but current samples of strongly lensed galaxies (SLGs) remain f…

astro-ph.GA2025

Probing Infrared eXcess to Investigate Early-Universe Dust (PIXIEDust)

Tom J. L. C. Bakx, Hiddo S. B. Algera, Jean-Baptiste Jolly +25

Despite the implied presence of dust through reddened UV emission in high-redshift galaxies, no dust emission has been detected in the (sub)millimetre regime beyond . This…

astro-ph.GA2025

Highly-ionized gas in lensed z = 6.027 Little Red Dot seen through [OIII] 88m with ALMA

Kirsten K. Knudsen, Johan Richard, Mathilde Jauzac +8

Determining the physical properties of galaxies during the first billion years after the big bang is key to understanding both early galaxy evolution and how galaxies contributed t…

astro-ph.GA2025

Resolving the molecular gas emission of the z~2.5-2.8 starburst galaxies SPT0125-47 and SPT 2134-50

K. Kade, M. Bredberg, K. Knudsen +4

The comoving cosmic star formation rate density peaks at z~2-3, with dusty star-forming galaxies being significant contributors to this peak. These galaxies are characterized by th…

astro-ph.GA2025★ 1 cited

How much gas and dust is in the Lyman Break Galaxy HZ10? An ALMA Band 10 to 4 and JWST/NIRSpec study of its interstellar medium

H. S. B. Algera, R. Herrera-Camus, M. Aravena +26

A complete overview of the stellar, gas and dust contents of galaxies is key to understanding their assembly at early times. However, an estimation of molecular and atomic gas rese…

astro-ph.GA2025

A first systematic study of [OIII] 88m at : two luminous oxygen lines and a powerful ionized outflow in the first 600 million years

Hiddo S. B. Algera, John R. Weaver, Tom J. L. C. Bakx +35

We present deep ALMA Band 7 observations of the [OIII] m line and underlying dust continuum emission in four UV-bright, gravitationally lensed (magnification ), JW…

astro-ph.GA2025★ 2 cited

Investigating ionising sources and the complex interstellar medium of GHZ2 at

M. Castellano, L. Napolitano, B. Moreschini +27

An accurate characterisation of the physical properties of galaxies at cosmic dawn is key to understanding the origin of the high abundance of UV-bright galaxies at z10. W…

astro-ph.GA2025

A warm ultra-luminous infrared galaxy just 600 million years after the Big Bang

T. J. L. C. Bakx, Laura Sommovigo, Yoichi Tamura +24

We present an Atacama Large Millimeter/submillimeter Array (ALMA) Band 9 continuum detection () of MACS0416_Y1 that confirms the suspected warm dust (91 K) of…

astro-ph.GA2025★ 1 cited

Significant Evidence of an AGN Contribution in GHZ2 at z = 12.34

Oscar A. Chavez Ortiz, Steven L. Finkelstein, Adele Plat +18

GHZ2 is among the highest-redshift galaxies discovered to date, exhibiting a spectrum rich with prominent emission lines in the rest-frame ultraviolet (UV) and optical. These featu…

astro-ph.GA2025

RIOJA. Young Starburst and Ionized Gas Outflows in a Galaxy Uncovered by JWST NIRCam and NIRSpec Observations

Yi W. Ren, Akio K. Inoue, Javier Álvarez-Márquez +21

We present analysis of JWST NIRCam and NIRSpec observations of the galaxy SXDF-NB1006-2 at , as part of the Reionization and the ISM/Stellar Origins with JWST and ALMA (…

astro-ph.GA2025

The Photometric Analysis of the Environment Around Two Dusty Star-Forming Galaxies at

Joe Bhangal, Allison W. S. Man, Tom J. L. C. Bakx +7

Studying the environments of dusty star-forming galaxies (DSFGs) provides insight into whether these luminous systems are reliable signposts of large-scale overdensities. Evidence…

astro-ph.GA2025

Candidate gravitationally lensed submillimeter galaxies in Herschel-ATLAS associated with WISE elliptical counterparts

Juan Alberto Cano, Joaquín González-Nuevo, Laura Bonavera +5

We present a new and independent methodology for identifying gravitational lens candidates using data from the H-ATLAS and AllWISE surveys. Unlike previous approaches, which are ty…