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71 papers · 2 filters
Clumpy star formation and an obscured nuclear starburst in the luminous dusty z=4 galaxy GN20 seen by MIRI/JWST
A. Bik, J. Álvarez-Márquez, L. Colina +28
Dusty star-forming galaxies emit most of their light at far-IR to mm wavelengths as their star formation is highly obscured. Far-IR and mm observations have revealed their dust, ne…
An evolutionary continuum from nucleated dwarf galaxies to star clusters
Kaixiang Wang, Eric W. Peng, Chengze Liu +21
Systematic studies have revealed hundreds of ultra-compact dwarf galaxies (UCDs) in the nearby Universe. With half-light radii of approximately 10-100 parsecs and stellar mas…
Measuring the gas reservoirs in M M galaxies at
Rosa M. Mérida, Carlos Gómez-Guijarro, Pablo G. Pérez-González +7
Understanding the gas content in galaxies, its consumption and replenishment, remains pivotal in our comprehension of the evolution of the Universe. Numerous studies have addressed…
JWST and ALMA discern the assembly of structural and obscured components in a high-redshift starburst galaxy
Zhaoxuan Liu, John D. Silverman, Emanuele Daddi +27
We present observations and analysis of the starburst, PACS-819, at z=1.45 ( M), using high-resolution (; 0.8 kpc) ALMA and multi-wav…
Black holes regulate cool gas accretion in massive galaxies
Tao Wang, Ke Xu, Yuxuan Wu +10
The nucleus of almost all massive galaxies contains a supermassive black hole (BH). The feedback from the accretion of these BHs is often considered to have crucial roles in establ…
KAgoshima Galactic Object survey with Nobeyama 45-metre telescope by Mapping in Ammonia lines (KAGONMA): Discovery of parsec-scale CO depletion in the Canis Major star-forming region
Yushi Hirata, Takeru Murase, Junya Nishi +6
In observational studies of infrared dark clouds, the number of detections of CO freeze-out onto dust grains (CO depletion) at pc-scale is extremely limited, and the conditions for…
PDRs4All III: JWST's NIR spectroscopic view of the Orion Bar
Els Peeters, Emilie Habart, Olivier Berne +135
(Abridged) We investigate the impact of radiative feedback from massive stars on their natal cloud and focus on the transition from the HII region to the atomic PDR (crossing the i…
IAS/CEA Evolution of Dust in Nearby Galaxies (ICED): the spatially-resolved dust properties of NGC4254
L. Pantoni, R. Adam, P. Ade +57
We present the first preliminary results of the project \textit{ICED}, focusing on the face-on galaxy NGC4254. We use the millimetre maps observed with NIKA2 at IRAM-30m, as part o…
Exploring the interstellar medium of NGC 891 at millimeter wavelengths using the NIKA2 camera
S. Katsioli, R. Adam, P. Ade +61
In the framework of the IMEGIN Large Program, we used the NIKA2 camera on the IRAM 30-m telescope to observe the edge-on galaxy NGC 891 at 1.15 mm and 2 mm and at a FWHM of 11.1" a…
Constraining Millimeter Dust Emission in Nearby Galaxies with NIKA2: the case of NGC2146 and NGC2976
G. Ejlali, R. Adam, P. Ade +57
This study presents the first millimeter continuum mapping observations of two nearby galaxies, the starburst spiral galaxy NGC2146 and the dwarf galaxy NGC2976, at 1.15 mm and 2 m…
Infrared view of the multiphase ISM in NGC 253 II. Modelling the ionised and neutral atomic gas
André Beck, Vianney Lebouteiller, Suzanne C. Madden +9
Context. Multi-wavelength studies of galaxies and galactic nuclei allow us to build a relatively more complete picture of the interstellar medium (ISM), especially in the dusty reg…
NIKA2 observations of starless cores in Taurus and Perseus
C. Kramer, R. Adam, P. Ade +49
Dusty starless cores play an important role in regulating the initial phases of the formation of stars and planets. In their interiors, dust grains coagulate and ice mantles form,…
Uncovering the MIR emission of quiescent galaxies with
David Blánquez-Sesé, G. E. Magdis, C. Gómez-Guijarro +15
We present a study of the mid-IR (MIR) emission of quiescent galaxies (QGs) beyond the local universe. Using deep imaging in the SMACS-0723 cluster field we identify a mass…
Noema formIng Cluster survEy (NICE): Discovery of a starbursting galaxy group with a radio-luminous core at z=3.95
Luwenjia Zhou, Tao Wang, Emanuele Daddi +34
The study of distant galaxy groups and clusters at the peak epoch of star formation is limited by the lack of a statistically and homogeneously selected and spectroscopically confi…
Bayesian inference methodology to characterize the dust emissivity at far-infrared and submillimeter frequencies
Debabrata Adak, Shabbir Shaikh, Srijita Sinha +5
We present a Bayesian inference method to characterise the dust emission properties using the well-known dust-HI correlation in the diffuse interstellar medium at Planck frequencie…
Identification of a transition from stochastic to secular star formation around with JWST
L. Ciesla, D. Elbaz, O. Ilbert +6
Star formation histories (SFH) of early (612) galaxies have been found to be highly stochastic in both simulations and observations, while at 6 the presence of a ma…
The [CII] 158 m emission line as a gas mass tracer in high redshift quiescent galaxies
C. D'Eugenio, E. Daddi, D. Liu +1
Many efforts have been done in recent years to probe the gas fraction evolution of massive quiescent galaxies (QGs); however, a clear picture has not yet been established. Recent s…
A comparison of the Milky Way's recent star formation revealed by dust thermal emission and high-mass stars
J. D. Soler, E. Zari, D. Elia +10
We present a comparison of the Milky Way's star formation rate (SFR) surface density () obtained with two independent state-of-the-art observational methods. The first…
The stratification of ISM properties in the edge-on galaxy NGC 891 revealed by NIKA2
S. Katsioli, E. M. Xilouris, C. Kramer +60
As the millimeter wavelength range remains a largely unexplored spectral region for galaxies, the IMEGIN large program aims to map the millimeter continuum emission of 22 nearby ga…
PDRs4All IV. An embarrassment of riches: Aromatic infrared bands in the Orion Bar
Ryan Chown, Ameek Sidhu, Els Peeters +136
(Abridged) Mid-infrared observations of photodissociation regions (PDRs) are dominated by strong emission features called aromatic infrared bands (AIBs). The most prominent AIBs ar…
Evolution of Chemistry in the envelope of Hot Corinos (ECHOS). I. Extremely young sulphur chemistry in the isolated Class 0 object B335
G. Esplugues, M. Rodríguez-Baras, D. San Andrés +7
Within the project Evolution of Chemistry in the envelope of HOt corinoS (ECHOS), we present a study of sulphur chemistry in the envelope of the Class 0 source B335 through observa…
PDRs4All II: JWST's NIR and MIR imaging view of the Orion Nebula
Emilie Habart, Els Peeters, Olivier Berné +139
The JWST has captured the most detailed and sharpest infrared images ever taken of the inner region of the Orion Nebula, the nearest massive star formation region, and a prototypic…
Gas phase Elemental abundances in Molecular cloudS (GEMS). IX. Deuterated compounds of H2S in starless cores
Marina Rodríguez-Baras, Gisela Esplugues, Asunción Fuente +10
H2S is thought to be the main sulphur reservoir in the ice, being therefore a key molecule to understand sulphur chemistry in the star formation process and to solve the missing su…
A deep-learning approach to the 3D reconstruction of dust density and temperature in star-forming regions
Victor F. Ksoll, Stefan Reissl, Ralf S. Klessen +7
Aims: We introduce a new deep-learning approach for the reconstruction of 3D dust density and temperature distributions from multi-wavelength dust emission observations on the scal…