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View article: Thermal Sunyaev-Zel’dovich effect at the core of CL J1226.9+3332 revealed by NOEMA
Thermal Sunyaev-Zel’dovich effect at the core of CL J1226.9+3332 revealed by NOEMA Open
We present first detailed maps of the thermal Sunyaev-Zel’dovich (tSZ) effect on a z = 0.89 cluster with the NOrthern Extended Millimeter Array (NOEMA). The high sensitivity of these observations enabled the effective identification and re…
View article: Overdense fireworks in GOODS-N: Unveiling a record number of massive dusty star forming galaxies at z$\sim$5.2 with the N2CLS
Overdense fireworks in GOODS-N: Unveiling a record number of massive dusty star forming galaxies at z$\sim$5.2 with the N2CLS Open
As part of the N2CLS Survey, we have identified a remarkable overdensity of ten bright dusty star-forming galaxies at z$\sim$5.2 in the GOODS-N field. Three of these galaxies, N2GN_1_01, 06, and 23 (known as GN10, HDF850.1, and S3, respect…
View article: Exploiting high-resolution NIKA2 data to study the intracluster medium and dynamical state of ACT-CL J0240.0+0116
Exploiting high-resolution NIKA2 data to study the intracluster medium and dynamical state of ACT-CL J0240.0+0116 Open
It is crucial to have a detailed understanding of the intracluster medium (ICM) to infer precise cluster physics, such as the cluster’s dynamical state, in order to carry out cluster-based cosmological studies. This knowledge limits the ac…
View article: Interpreting millimeter emission from IMEGIN galaxies NGC 2146 and NGC 2976
Interpreting millimeter emission from IMEGIN galaxies NGC 2146 and NGC 2976 Open
The millimeter continuum emission from galaxies provides important information about cold dust, its distribution, its heating, and its role in the interstellar medium (ISM). This emission also carries an unknown portion of the free-free an…
View article: Interpreting Millimeter Emission from IMEGIN galaxies NGC 2146 and NGC 2976
Interpreting Millimeter Emission from IMEGIN galaxies NGC 2146 and NGC 2976 Open
The millimeter continuum emission from galaxies provides important information about cold dust, its distribution, heating, and role in their InterStellar Medium (ISM). This emission also carries an unknown portion of the free-free and sync…
View article: Toward the first cosmological results of the NIKA2 Sunyaev-Zeldovich Large Program: The SZ-Mass scaling relation
Toward the first cosmological results of the NIKA2 Sunyaev-Zeldovich Large Program: The SZ-Mass scaling relation Open
In Sunyaev-Zeldovich (SZ) cluster cosmology, two tools are needed to be able to exploit data from large scale surveys in the millimeter-wave domain. An accurate description of the IntraCluster Medium (ICM) pressure profile is needed along …
View article: Faint millimeter NIKA2 dusty star-forming galaxies: finding the high-redshift population
Faint millimeter NIKA2 dusty star-forming galaxies: finding the high-redshift population Open
We develop a new framework to constrain the source redshift. The method jointly accounts for the detection/non-detection of spectral lines and the prior information from the photometric redshift and total infrared luminosity from spectral …
View article: Faint mm NIKA2 dusty star-forming galaxies: Finding the high-redshift population
Faint mm NIKA2 dusty star-forming galaxies: Finding the high-redshift population Open
Aims. High-redshift dusty star-forming galaxies (DSFGs) are proposed to be the progenitors of massive quiescent galaxies arising at cosmic noon, providing a crucial insight into the formation, assembly, and early quenching of massive galax…
View article: Stellar and dust emission profiles of IMEGIN galaxies
Stellar and dust emission profiles of IMEGIN galaxies Open
We present a morphological analysis of a set of spiral galaxies from the NIKA2 Guaranteed Time Large Program, IMEGIN. We have fitted a single Sérsic model on a set of broadband images, from ultra-violet (UV) to millimeter (mm) wavelengths,…
View article: Exploring the interstellar medium of NGC 891 at millimeter wavelengths using the NIKA2 camera
Exploring the interstellar medium of NGC 891 at millimeter wavelengths using the NIKA2 camera Open
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” and 17.6”, respectively. Multiwavelength data enriched with …
View article: Towards the first mean pressure profile estimate with the NIKA2 Sunyaev-Zeldovich Large Program
Towards the first mean pressure profile estimate with the NIKA2 Sunyaev-Zeldovich Large Program Open
High-resolution mapping of the hot gas in galaxy clusters is a key tool for cluster-based cosmological analyses. Taking advantage of the NIKA2 millimeter camera operated at the IRAM 30-m telescope, the NIKA2 SZ Large Program seeks to get a…
View article: IAS/CEA Evolution of Dust in Nearby Galaxies (ICED): The spatially-resolved dust properties of NGC4254
IAS/CEA Evolution of Dust in Nearby Galaxies (ICED): The spatially-resolved dust properties of NGC4254 Open
We present the first preliminary results of the project ICED , focusing on the face-on galaxy NGC4254. We use the millimetre maps observed with NIKA2 at lRAM-30m. as part of the IMEGIN Guaranteed Time Large Program. and of a wide collectio…
View article: NIKA2 observations of dust grain evolution from star-forming filament to T-Tauri disk: Preliminary results from NIKA2 observations of the Taurus B211/B213 filament
NIKA2 observations of dust grain evolution from star-forming filament to T-Tauri disk: Preliminary results from NIKA2 observations of the Taurus B211/B213 filament Open
To understand the evolution of dust properties in molecular clouds in the course of the star formation process, we constrain the changes in the dust emissivity index from star-forming filaments to prestellar and protostellar cores to T Tau…
View article: NIKA2 observations of starless cores in Taurus and Perseus
NIKA2 observations of starless cores in Taurus and Perseus Open
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, thereby changing the millimeter emissivities and hence the …
View article: The NIKA2 Sunyaev-Zeldovich Large Program
The NIKA2 Sunyaev-Zeldovich Large Program Open
The NIKA2 camera operating at the IRAM 30-m telescope excels in high-angular resolution mapping of the thermal Sunyaev-Zel’dovich effect towards galaxy clusters at intermediate and high-redshift. As part of the NIKA2 guaranteed-time, the S…
View article: Systematic effects on the upcoming NIKA2 LPSZ scaling relation
Systematic effects on the upcoming NIKA2 LPSZ scaling relation Open
In cluster cosmology, cluster masses are the main parameter of interest. They are needed to constrain cosmological parameters through the cluster number count. As the mass is not an observable, a scaling relation is needed to link cluster …
View article: NIKA2 observations of 3 low-mass galaxy clusters at <i>z</i> ~ 1: Pressure profile and <i>Y</i><sub>SZ</sub> – <i>M</i> relation
NIKA2 observations of 3 low-mass galaxy clusters at <i>z</i> ~ 1: Pressure profile and <i>Y</i><sub>SZ</sub> – <i>M</i> relation Open
Three galaxy clusters selected from the XXL X-ray survey at high redshift and low mass ( z ~ 1 and M 500 ~ 1 – 2 × 10 14 M ⊙ ) were observed with NIKA2 to image their Sunyaev-Zel'dovich effect (SZ) signal. They all present an SZ morphology…
View article: Constraining millimeter dust emission in nearby galaxies with NIKA2: The case of NGC2146 and NGC2976
Constraining millimeter dust emission in nearby galaxies with NIKA2: The case of NGC2146 and NGC2976 Open
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 mm using the NIKA2 camera on the IRAM 30m telescope, as part…
View article: The XXL Survey
The XXL Survey Open
Context. The thermodynamical properties of the intracluster medium (ICM) are driven by scale-free gravitational collapse, but they also reflect the rich astrophysical processes at play in galaxy clusters. At low masses (∼10 14 M ⊙ ) and hi…
View article: NIKA2 observations of dust grain evolution from star-forming filament to T-Tauri disk: Preliminary results from NIKA2 observations of the Taurus B211/B213 filament
NIKA2 observations of dust grain evolution from star-forming filament to T-Tauri disk: Preliminary results from NIKA2 observations of the Taurus B211/B213 filament Open
To understand the evolution of dust properties in molecular clouds in the course of the star formation process, we constrain the changes in the dust emissivity index from star-forming filaments to prestellar and protostellar cores to T Tau…
View article: IAS/CEA Evolution of Dust in Nearby Galaxies (ICED): the spatially-resolved dust properties of NGC4254
IAS/CEA Evolution of Dust in Nearby Galaxies (ICED): the spatially-resolved dust properties of NGC4254 Open
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 of the IMEGIN Guaranteed Time Large Program, and of a wide c…
View article: NIKA2 observations of 3 low-mass galaxy clusters at $z \sim 1$: pressure profile and $Y_{\rm SZ}$-$M$ relation
NIKA2 observations of 3 low-mass galaxy clusters at $z \sim 1$: pressure profile and $Y_{\rm SZ}$-$M$ relation Open
Three galaxy clusters selected from the XXL X-ray survey at high redshift and low mass ($z\sim1$ and $M_{500} \sim 1-2 \times 10^{14}$ M$_{\odot}$) were observed with NIKA2 to image their Sunyaev-Zel'dovich effect (SZ) signal. They all pre…
View article: The XXL Survey LI. Pressure profile and $Y_{\rm SZ}$-$M$ scaling relation in three low-mass galaxy clusters at $z\sim1$ observed with NIKA2
The XXL Survey LI. Pressure profile and $Y_{\rm SZ}$-$M$ scaling relation in three low-mass galaxy clusters at $z\sim1$ observed with NIKA2 Open
The thermodynamical properties of the intracluster medium (ICM) are driven by scale-free gravitational collapse, but they also reflect the rich astrophysical processes at play in galaxy clusters. At low masses ($\sim 10^{14}$ M$_{\odot}$) …
View article: The NIKA2 Sunyaev-Zeldovich Large Program: Sample and upcoming product public release
The NIKA2 Sunyaev-Zeldovich Large Program: Sample and upcoming product public release Open
The NIKA2 camera operating at the IRAM 30 m telescope excels in high-angular resolution mapping of the thermal Sunyaev-Zeldovich effect towards galaxy clusters at intermediate and high-redshift. As part of the NIKA2 guaranteed time, the SZ…
View article: Constraining Millimeter Dust Emission in Nearby Galaxies with NIKA2: the case of NGC2146 and NGC2976
Constraining Millimeter Dust Emission in Nearby Galaxies with NIKA2: the case of NGC2146 and NGC2976 Open
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 mm using the NIKA2 camera on the IRAM 30m telescope, as part…
View article: The stratification of ISM properties in the edge-on galaxy NGC 891 revealed by NIKA2
The stratification of ISM properties in the edge-on galaxy NGC 891 revealed by NIKA2 Open
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 galaxies at 1.15 and 2 mm. Using the high-resolution maps pro…
View article: NIKA2 Cosmological Legacy Survey
NIKA2 Cosmological Legacy Survey Open
Context. Finding and characterizing the heavily obscured galaxies with extreme star formation up to very high redshift is key for constraining the formation of the most massive galaxies in the early Universe. It has been shown that these o…
View article: Multi-probe analysis of the galaxy cluster CL J1226.9+3332
Multi-probe analysis of the galaxy cluster CL J1226.9+3332 Open
The precise estimation of the mass of galaxy clusters is a major issue for cosmology. Large galaxy cluster surveys rely on scaling laws that relate cluster observables to their masses. From the high-resolution observations of ∼45 galaxy cl…
View article: Massive merging cluster PSZ2G091 as seen by the NIKA2 camera
Massive merging cluster PSZ2G091 as seen by the NIKA2 camera Open
PSZ2 G091.83+26.11 is a galaxy cluster with M500 = 7.43 x 10^14 Msun at z = 0.822 1. This object exhibits a complex morphology with a clear bimodality observed in X-rays. However, it was detected and analysed in the Planck sample as a sing…
View article: Champ magnétique et formation stellaire le long des filaments interstellaires ˸ Observations avec NIKA2-Pol
Champ magnétique et formation stellaire le long des filaments interstellaires ˸ Observations avec NIKA2-Pol Open
Star formation in the interstellar medium has been under debate for decades. The unprecedented high-quality images provided by Herschel have shown that filaments are ubiquitous in molecular clouds and play a key role in the star formation …