output
19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions
Showing 2023 · astro-ph.IMShow all

11 papers · 2 filters

astro-ph.IM2023

Design and performance of a Collimated Beam Projector for telescope transmission measurement using a broadband light source

K. Sommer, J. Cohen-Tanugi, B. Plez +9

Type Ia supernovae are the most direct cosmological probe to study dark energy in the recent Universe, for which the photometric calibration of astronomical instruments remains one…

astro-ph.IM2023★ 1 cited

Characterization and performance of an upgraded front-end-board for NectarCAM

F. Bradascio, F. Brun, F. Cangemi +17

This paper presents an analysis of the updated version of the Front-End Board (FEB) for the NectarCAM camera, developed for the Cherenkov Telescope Array Observatory (CTAO). The FE…

astro-ph.IM2023★ 3 cited

tilepy: rapid tiling strategies in mid/small FoV observatories

Fabian Schüssler, Halim Ashkar, Mathieu de Bony de Lavergne +1

The challenges inherent to time-domain multi-messenger astronomy require strategic actions so that adapted, optimized follow-up observations are performed efficiently. In particula…

astro-ph.IM2023★ 98 cited

Gammapy: A Python package for gamma-ray astronomy

Axel Donath, Régis Terrier, Quentin Remy +42

In this article, we present Gammapy, an open-source Python package for the analysis of astronomical -ray data, and illustrate the functionalities of its first long-term-support…

astro-ph.IM2023★ 5 cited

Astrometric Calibration and Performance of the Dark Energy Spectroscopic Instrument Focal Plane

S. Kent, E. Neilsen, K. Honscheid +46

The Dark Energy Spectroscopic Instrument, consisting of 5020 robotic fiber positioners and associated systems on the Mayall telescope at Kitt Peak, Arizona, is carrying out a surve…

astro-ph.IM2023★ 4 cited

Slitless spectrophotometry with forward modelling: principles and application to atmospheric transmission measurement

Jérémy Neveu, Vincent Brémaud, Pierre Antilogus +9

In the next decade, many optical surveys will aim to tackle the question of dark energy nature, measuring its equation of state parameter at the permil level. This requires trustin…

astro-ph.IM2023★ 15 cited

The Optical Corrector for the Dark Energy Spectroscopic Instrument

Timothy N. Miller, Peter Doel, Gaston Gutierrez +44

The Dark Energy Spectroscopic Instrument (DESI) is currently measuring the spectra of 40\,million galaxies and quasars, the largest such survey ever made to probe the nature of cos…

astro-ph.IM2023

Measurement of telescope transmission using a Collimated Beam Projector

Nicholas Mondrik, Michael Coughlin, Marc Betoule +6

With the increasingly large number of type Ia supernova being detected by current-generation survey telescopes, and even more expected with the upcoming Rubin Observatory Legacy Su…

astro-ph.IM2023★ 6 cited

Correction of the brighter-fatter effect on the CCDs of Hyper Suprime-Cam

Pierre Astier, Nicolas Regnault

The brighter-fatter effect affects all CCD sensors to various degrees. Deep-depleted thick sensors are seriously affected and the measurement of galaxy shapes for cosmic shear meas…

astro-ph.IM2023★ 5 cited

The NectarCAM Timing System

F. Bradascio, H. Rueda, J. A. Barrio +14

NectarCAM is a Cherenkov camera which is going to equip the Medium-Sized Telescopes (MST) of the northern site of the Cherenkov Telescope Array Observatory (CTAO). NectarCAM is equ…

astro-ph.IM2023★ 8 cited

Study of cosmogenic activation above ground for the DarkSide-20k experiment

20k Collaboration

The activation of materials due to exposure to cosmic rays may become an important background source for experiments investigating rare event phenomena. DarkSide-20k, currently und…