A2C – Pôle Astroparticules, Astrophysique et Cosmologie

IN2P3, 50 years: presentation of A2C

Post author:robinet
Post published:14 January 2022
Post category:A2C Ceremony General

IN2P3 celebrated its 50 years birthday on Apr. 14, 2021. Many events were organized by the IN2P3 laboratories. At IJCLab, the activities of the A2C pole were presented . See…

Improved limits on the tensor-to-scalar ratio using BICEP and Planck

Post author:tristram
Post published:15 December 2021
Post category:A2C Cosmic microwave background (CMB)Publication

We present constraints on the tensor-to-scalar ratio r using a combination of BICEP/Keck 2018 and Planck PR4 data allowing us to fit for r consistently with the six parameters of…

Test Measurements with the CTA-NectarCAM SPE Calibration system

Post author:biteau
Post published:10 November 2021
Post category:A2C High-energy astroparticles
Post comments:0 Comments

The NectarCAM camera, with its single photoelectron calibration system (white target in the bottom-right corner) At IJCLab, we are involved in producing the Single Photo-Electron (SPE) calibration system for NectarCAM…

L’Univers du pôle A2C: première rencontre

Post author:robinet
Post published:8 November 2021
Post category:A2C General

The A2C pole will meet on December the 1st for a moment of scientific exchanges at the P. Lehman amphitheatre. This meeting (named L'Univers du pôle A2C: première rencontre) will…

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

Post author:robinet
Post published:8 November 2021
Post category:A2C Gravitational waves Publication
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We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced LIGO and Advanced…

GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run

Post author:robinet
Post published:8 November 2021
Post category:A2C Gravitational waves Publication
Post comments:2 Comments

The LIGO and Virgo detectors have observed 35 new gravitational-wave events, between November 2019 and March 2020, during the second half of the third observing run (O3b). The total number…

AstroParticle Symposium 2021

Post author:robinet
Post published:5 October 2021
Post category:General
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The Astroparticle Symposium 2021 will be held at Institut Pascal à l’Université Paris-Saclay between October 18 and November 26, 2021. For six weeks, broad-audience presentations will be given by physicists…

Master 2 students (Astronomie, Astrophysique, Ingénierie Spatiale [AAIS]) visit IJCLab

Post author:robinet
Post published:4 October 2021
Post category:General
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Master 2 students (AAIS) came to the lab to meet the A2C teams. Click here to access the agenda

CNES visit

Post author:robinet
Post published:21 September 2021
Post category:General
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https://owncloud.lal.in2p3.fr/index.php/s/Bwdj2tAhgG558VA/download

Constraints on cosmic strings using data from the third Advanced LIGO-Virgo observing run

Post author:robinet
Post published:8 June 2021
Post category:A2C Gravitational waves Publication
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Abstract: (APS) We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 dataset. Search results are presented for gravitational waves produced by cosmic…