activity
20222026
most citedAbsolute reference for microwave polarization experiments -- The COSMOCal project and its proof of concept

9 citations · 19 across the 22 of their papers we have counts for

collaborators

24 papers

astro-ph.IM2026

Proof of concept of the COSMOCal project at the IRAM 30m telescope

S. Savorgnano, L. Bizzarri, A. Ritacco +25

This work reports on a test campaign conducted at the IRAM 30m telescope to validate the COSMOCal instrument, a novel concept for absolute calibration of polarization angle, beam p…

astro-ph.IM2026

Data reduction pipeline for the SuMAC millimeter-wave spectrometer at the LMT

A. M. Lapuente, P. S. Barry, M. Becerril-Tapia +22

We present the data reduction and analysis pipeline for the SuperSpec-MUSCAT Collaboration (SuMAC) along with several key science data products. In Summer 2025, SuperSpec on-chip s…

astro-ph.IM2026

SuMAC: On-sky demonstration of multi-pixel on-chip millimeter-wave spectroscopy at the Large Millimeter Telescope

Marcial Becerril-Tapia, Peter S. Barry, Christopher S. Benson +22

The SuperSpec-MUSCAT Collaboration (SuMAC) is an effort to operate SuperSpec spectrometers in the MUSCAT instrument at the Large Millimeter Telescope (LMT). SuperSpec is an on-chip…

astro-ph.IM2026

Status and future development of the COSMOCal Project for absolute CMB polarization calibration

Silvia Micheli, Alessia Ritacco, Alessandro Carones +36

Cosmic Microwave Background (CMB) polarization measurements are pushing instrumental sensitivities to levels where calibration systematics become a dominant limitation. The large d…

astro-ph.GA2026

Challenges in probing turbulent and magnetic support in cores: the W43-MM1 protocluster case study

M. Valeille-Manet, F. Louvet, F. Motte +13

Estimating the level of non-thermal support in cores is both challenging and crucial for constraining the earliest stages of star formation. We quantify the kinetic and magnetic su…

astro-ph.IM2026

Status of the COSmological Microwave Observations CALibrator

L. Mousset, J. Aumont, S. Berta +33

As the sensitivity of CMB telescopes increases, the need for precise calibration becomes critical. Started in 2022, the COSMOCal project aims to place an artificial polarized sourc…

astro-ph.GA2026

The NIKA2 Cosmological Legacy Survey in COSMOS: Final 1.2mm and 2mm source catalogs and redshift distribution of dusty star-forming galaxies

C. R. Carvajal-Bohorquez, G. Lagache, A. Beelen +64

We present the final 1.2mm and 2mm source catalogs and the redshift distribution of the mm-selected population from the NIKA2 Cosmological Legacy Survey (N2CLS) in the COSMOS field…

astro-ph.CO2026

First Dark Photon Search Results from the Dandelion Experiment

I. Ourahou, S. Savorgnano, C. Beaufort +9

This paper presents the first results from the Dandelion experiment, a directional detection, which searches for 1 meV dark photon dark matter. We use a spherical mirror to convert…

astro-ph.GA2026

GASTON-GP: Source catalogue and millimetre variability of massive protostellar objects

Ji-Xuan Zhou, Nicolas Peretto, A. J. Rigby +56

The processes governing protostellar mass growth remain debated, although episodic accretion is now understood as a key feature of protostellar evolution across all masses. Luminos…

astro-ph.GA2026

Resolved ISM properties and scaling relations in the barred galaxy NGC 3627: constraints from NIKA2 observations

S. Katsioli, E. M. Xilouris, F. Galliano +64

We investigate the interplay between star formation, interstellar medium (ISM) components, and dust properties in NGC 3627 using new NIKA2 1.15 and 2 mm observations from the IMEGI…

astro-ph.GA2025★ 2 cited

NIKA2 Cosmological Legacy Survey. First measurement of the confusion noise at the IRAM 30 m telescope

N. Ponthieu, F. -X. Désert, A. Beelen +54

The NIKA2 Cosmological Legacy Survey (N2CLS) is a large programme using the NIKA2 dual-band camera on the IRAM 30\,m telescope. Its goal is to improve our understanding of the phys…

astro-ph.CO2025

Thermal Sunyaev-Zel'dovich effect at the core of CL J1226.9+3332 revealed by NOEMA

M. Muñoz-Echeverría, J. -F. Macías-Pérez, R. Neri +58

We present first detailed maps of the thermal Sunyaev-Zel'dovich (tSZ) effect on a cluster with the NOrthern Extended Millimeter Array (NOEMA). The high sensitivity of t…

astro-ph.IM2025

High-precision polarization measurements with Lumped Element Kinetic Inductance Detectors

Sofia Savorgnano, Andrea Catalano, Juan-Francisco Macías Perez +11

This work aims to demonstrate that two arrays of Lumped Element Kinetic Inductance Detectors (LEKIDs), when employed in filled array configuration and separated by an external line…

astro-ph.CO2025

NIKA2 Cosmological Legacy Survey: Blind detection of galaxy clusters in the COSMOS field via the Sunyaev-Zel'dovich effect

D. Chérouvrier, J. F. Macias-Perez, F. X. Désert +59

(Abridged) Clusters of galaxies, formed in the latest stages of structure formation, are unique cosmological probes. With the advent of large CMB surveys like those from the Planck…

astro-ph.GA2025

The NIKA2 cosmological legacy survey at 2 mm: catalogs, colors, redshift distributions, and implications for deep surveys

M. Béthermin, G. Lagache, C. Carvajal-Bohorquez +54

Millimeter galaxy surveys are particularly effective in detecting dusty star-forming galaxies at high redshift. While such observations are typically conducted at ~1mm, some studie…

astro-ph.GA2025★ 2 cited

Overdense fireworks in GOODS-N: Unveiling a record number of massive dusty star forming galaxies at z5.2 with the N2CLS

G. Lagache, M. Xiao, A. Beelen +59

As part of the N2CLS Survey, we have identified a remarkable overdensity of eight bright dusty star-forming galaxies at z5.2 in the GOODS-N field. Three of these galaxies, N2…

astro-ph.GA2025★ 3 cited

Continuum, CO and Water vapour maps of the Orion Nebula. First millimetre spectral imaging with Concerto

F. -X. Désert, J. F. Macías-Pérez, A. Beelen +60

The millimetre spectrum of Galactic regions and galaxies is rich in continuum and molecular lines. This diversity is mostly explored using either broad-band photometry or high-reso…

astro-ph.GA2025★ 1 cited

A panchromatic view of N2CLS GOODS-N: the evolution of the dust cosmic density since z~7

S. Berta, G. Lagache, A. Beelen +58

(abridged) To understand early star formation, it is essential to determine the dust mass budget of high-redshift galaxies. Sub-millimeter rest-frame emission, dominated by cold du…

astro-ph.CO2024★ 2 cited

Exploiting the high-resolution NIKA2 data to study the intracluster medium and dynamical state of ACT-CL J0240.0+0116

A. Paliwal, M. De Petris, A. Ferragamo +54

Having a detailed knowledge of the intracluster medium (ICM) to infer the exact cluster physics such as the cluster dynamical state is crucial for cluster-based cosmological studie…

astro-ph.IM2024

The PolarKID project: polarization measurements with KIDs for the next generation of CMB telescopes

Sofia Savorgnano, Julien Bounmy, Olivier Bourrion +10

The goal of the PolarKID project is testing a new method for the measurement of polarized sources, in order to identify all the possible instrumental systematic effects that could…

astro-ph.CO2024★ 9 cited

Absolute reference for microwave polarization experiments -- The COSMOCal project and its proof of concept

A. Ritacco, L. Bizzarri, S. Savorgnano +25

The cosmic microwave background (CMB), a remnant of the Big Bang, provides unparalleled insights into the primordial universe, its energy content, and the origin of cosmic structur…

astro-ph.IM2023

Polarization angle accuracy for future CMB experiments. The COSMOCal project and its prototype in the 1mm band

A. Ritacco, L. Bizzarri, F. Boulanger +24

The Cosmic Microwave Background (CMB) radiation offers a unique window into the early Universe, facilitating precise examinations of fundamental cosmological theories. However, the…

physics.ins-det2023

Directional detection of meV dark photons with Dandelion

C. Beaufort, M. Bastero-Gil, A. Catalano +5

This paper presents Dandelion, a new dish antenna experiment searching for dark photons (DPs) with masses around the meV that will start acquiring data by the end of 2023. A spheri…

astro-ph.IM2022

PROTOCALC: an artificial calibrator source for CMB telescopes

Gabriele Coppi, Giulia Conenna, Sofia Savorgnano +5

Cosmic Microwave Background experiments need to measure polarization properties of the incoming radiation very accurately to achieve their scientific goals. As a result of that, it…