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A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) XX. Star formation in the tidal tail of NGC 4254
A. Boselli, A. Lupi, P. Serra +26
ALMA 12CO(1-0) observations of 42 star-forming regions located outside the disc of the Virgo Cluster galaxy NGC4254 within an HI gas tail produced during the galaxy's interaction w…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE). XXI. Statistical properties of individual HII regions in perturbed galaxies
A. Boselli, M. Fossati, Y. Roehlly +8
We use narrow-band Halpha+[NII] imaging data gathered during VESTIGE, a blind survey of the Virgo cluster carried out with MegaCam at the CFHT, to identify HII regions in 385 galax…
Euclid: Early Release Observations -- The star-formation history of massive early-type galaxies in the Perseus cluster
S. Martocchia, A. Boselli, J. -C. Cuillandre +157
The Euclid Early Release Observations (ERO) programme targeted the Perseus galaxy cluster in its central region over 0.7deg. We combined the exceptional image quality and depth…
CEERS: Forging the First Dust Grains in the Universe? A Population of Galaxies with spectroscopically-derived Extremely Low Dust Attenuation (GELDA) at 4.0<z<11.4
Denis Burgarella, Véronique Buat, Patrice Theulé +35
We investigate the coevolution of metals and dust in 173 galaxies at using NIRSpec spectroscopy. Focusing on galaxies with extremely low dust attenuation, we explore t…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) XVII. Statistical properties of individual HII regions in unperturbed systems
A. Boselli, M. Fossati, Y. Roehlly +12
The Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) is a blind narrow-band Halpha+[NII] imaging survey of the Virgo cluster carried out with MegaCam at the CFHT t…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) XVIII. Reconstructing the star formation history of early-type galaxies through the combination of their UV and H emission
S. Martocchia, A. Boselli, C. Maraston +21
We reconstruct the SFHs of 7 massive () early-type galaxies (ETGs) in the Virgo cluster by analysing their spatially resolved stellar population…
CEERS: Forging the First Dust -- Transition from Stellar to ISM Grain Growth in the Early Universe
Denis Burgarella, Véronique Buat, Patrice Theulé +36
We investigate the coevolution of metals and dust for 173 galaxies at 4.0<z<11.4 observed with JWST/NIRSpec. We use the code CIGALE that integrates photometric and spectroscopic da…
Physical properties of strong 1 < z < 3 Balmer and Paschen lines emitters observed with JWST
L. -M. Seillé, V. Buat, V. Fernández +16
The ultraviolet continuum traces young stars while the near-infrared unveils older stellar populations and dust-obscured regions. Balmer emission lines provide insights on gas prop…
ViCTORIA project: MeerKAT HI observations of the ram pressure stripped galaxy NGC 4523
A. Boselli, P. Serra, F. de Gasperin +22
We present the first results of a 21 cm HI line pilot observation carried out with MeerKAT in preparation for the ViCTORIA project, an untargeted survey of the Virgo galaxy cluster…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).XIII. The role of ram-pressure stripping in transforming the diffuse and ultra-diffuse galaxies in the Virgo cluster
Junais, S. Boissier, A. Boselli +16
Low-surface-brightness galaxies (LSBs) contribute to a significant fraction of all the galaxies in the Universe. Ultra-diffuse galaxies (UDGs) form a subclass of LSBs that has attr…
Spatial disconnection between stellar and dust emissions: the test of the Antennae Galaxies (Arp 244)
L. -M. Seillé, V. Buat, W. Haddad +5
The detection with of the Atacama Large Millimeter Array (ALMA) of dust-rich high redshift galaxies whose cold dust emission is spatially disconnected from the ultraviolet emission…
CONCERTO: High-fidelity simulation of millimeter line emissions of galaxies and [CII] intensity mapping
M. Bethermin, A. Gkogkou, M. Van Cuyck +27
The intensity mapping of the [CII] 158um line redshifted to the sub-mm window is a promising probe of the z>4 star formation and its spatial distribution into the large-scale struc…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).XII. Ionised gas emission in the inner regions of lenticular galaxies
A. Boselli, M. Fossati, A. Longobardi +24
As part of the VESTIGE survey, a blind narrow-band Ha+[NII] imaging survey of the Virgo cluster carried out with MegaCam at the CFHT, we discovered 8 massive lenticular galaxies wi…
Polar dust obscuration in broad-line active galaxies from the XMM-XXL field
V. Buat, G. Mountrichas, G. Yang +6
Dust is observed in the polar regions of nearby AGN and it is known to contribute substantially to their mid-IR emission and to the obscuration of their UV to optical emission. We…
HELP: The Herschel Extragalactic Legacy Project
R. Shirley, K. Duncan, M. C. Campos Varillas +29
We present the Herschel Extragalactic Legacy Project (HELP). This project collates, curates, homogenises, and creates derived data products for most of the premium multi-wavelength…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).X. Formation of a red ultra-diffuse galaxy and an almost dark galaxy during a ram-pressure stripping event
Junais, S. Boissier, A. Boselli +16
The evolution of galaxies depends on their interaction with the surrounding environment. Ultra-diffuse galaxies (UDGs) have been found in large numbers in clusters. We detected a f…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).IX. The effects of ram pressure stripping down to the scale of individual HII regions in the dwarf galaxy IC 3476
A. Boselli, A. Lupi, B. Epinat +25
We study the IB(s)m galaxy IC 3476 observed in the context of VESTIGE, a blind narrow-band Halpha+[NII] imaging survey of the Virgo cluster. The deep narrow-band (NB) image reveals…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).VI. Environmental quenching on HII region scales
A. Boselli, M. Fossati, A. Longobardi +15
The Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) is a blind narrow-band Halpha+[NII] imaging survey of the Virgo cluster carried out with MegaCam at the Canada…
HELP: A catalogue of 170 million objects, selected at 0.36-4.5 m, from 1270 deg. of prime extragalactic fields
Raphael Shirley, Yannick Roehlly, Peter D Hurley +15
We present an optical to near-infrared selected astronomical catalogue covering 1270 deg.. This is the first attempt to systematically combine data from 23 of the premier extra…
HELP project - a dreamed-of multiwavelength dataset for SED fitting: the influence of used models for the main physical properties of galaxies
Katarzyna Malek, Veronique Buat, Denis Burgarella +3
The Herschel Extragalactic Legacy Project (HELP) focuses to publish an astronomical multiwavelength catalogue of millions of objects over 1300~deg of the Herschel Space Observa…
CIGALE: a python Code Investigating GALaxy Emission
M. Boquien, D. Burgarella, Y. Roehlly +5
Context. Measuring how the physical properties of galaxies change across cosmic times is essential to understand galaxy formation and evolution. With the advent of numerous ground-…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).IV. A tail of Ionised Gas in the Merger Remnant NGC 4424
A. Boselli, M. Fossati, G. Consolandi +31
We have observed the late-type peculiar galaxy NGC 4424 during VESTIGE, a blind narrow-band Halpha[NII] imaging survey of the Virgo cluster carried out with MegaCam at the CFHT. Th…
HELP: modelling the spectral energy distributions of Herschel detected galaxies in the ELAIS N1 field
K. Malek, V. Buat, Y. Roehlly +10
The HELP project focuses on the data from ESA's Herschel mission, which covered over 1300 and is preparing to publish a multi-wavelength catalogue of millions of objects. Ou…
Dust attenuation and Halpha emission in a sample of galaxies observed with Herschel at
V. Buat, M. Boquien, K. Malek +5
Dust attenuation shapes the spectral energy distribution of galaxies. It is particularly true for dusty galaxies in which stars experience a heavy attenuation. The combination of U…