A. Ealet

Euclid ERO Perseus cluster dwarfs

F. Marleau, Cuillandre J.-C., Cantiello M., Carollo D. et autres

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Euclid Quick Data Release (Q1)

Philip Holloway, A. Verma, Mike Walmsley, Philip J. Marshall et autres

The Euclid Wide Survey (EWS) is expected to identify in the order of 100 000 galaxy-galaxy strong lenses across 14 000deg 2 . The Euclid Quick Data Release (Q1) of 63.1deg 2 Euclid images provides an excellent opportunity to test our lens-finding …

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Euclid Quick Data Release (Q1)

Mike Walmsley, L. Quilley, Karen L. Masters, Sandor Kruk et autres

We present a detailed visual morphology catalogue for the Euclid Quick Release 1 (Q1). Our catalogue includes galaxy features such as bars, spiral arms, and ongoing mergers, for the 378 000 bright ( I E < 20.5) or extended (area ≥700 pixels) …

ca, gb, fr, us, it, es, cz, de, hu, pt, nl, ch, no (code pays fourni par la source)

Euclid Quick Data Release (Q1)

C. Cleland, S. Mei, G. De Lucia, Fabio Fontanot et autres

The extent to which the environment affects galaxy evolution has been under scrutiny by researchers for decades. With the first data from Euclid , we can begin to systematically study a wide range of environments and their effects as a function of …

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Euclid : Improving redshift distribution reconstruction using a deep-to-wide transfer function

Y Kang, S. Paltani, W. G. Hartley, M. Bolzonella et autres

The Euclid mission of the European Space Agency seeks to understand the Universe’s expansion history and the nature of dark energy, through measurements of cosmic shear. This requires a very accurate estimate of the true redshift distribution of the galaxies, with the …

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Euclid preparation. Review of forecast constraints on dark energy and modified gravity

Euclid Collaboration, N. Frusciante, M. Martinelli, L. Lombriser et autres

The Euclid mission has been designed to provide, as one of its main deliverables, information on the nature of the gravitational interaction, which determines the expansion of the Universe and the formation of structures. Thus, Euclid has the potential to test deviations …

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Euclid preparation

B. Kubik, R. Barbier, J. C. Clemens, S. Ferriol et autres

This paper describes the objectives, design, and findings of the pre-launch ground characterisation campaigns of the Euclid infrared detectors. The aim of the ground characterisations is to evaluate the performance of the detectors, to calibrate the pixel response, and to derive the …

fr, es, nl, it, us, de, sk, br, pt, gb, ch (code pays fourni par la source)

Euclid Quick Data Release (Q1)

M. Walmsley, M. Siudek, Patricia Iglesias-Navarro, J. H. Knapen et autres

Stellar bars are key structures in disc galaxies, driving angular momentum redistribution and influencing processes such as bulge growth and star formation. Quantifying the bar fraction as a function of redshift and stellar mass is therefore important for constraining the physical processes …

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Euclid : Photometric redshift calibration performance with the clustering-redshifts technique in the Flagship 2 simulation

W d'Assignies, Marc Manera, C. Padilla Aranda, O. Ilbert et autres

Aims. The precision of cosmological constraints from imaging surveys hinges on an accurately estimated redshift distribution n ( z ) of the tomographic bins, especially their mean redshifts. We assess the effectiveness of the clustering-redshifts technique in constraining Euclid tomographic redshift bins …

Euclid Quick Data Release (Q1)

G. Polenta, M. Frailis, Anahita Alavi, P. N. Appleton et autres

This paper describes the near-infrared processing function (NIR PF) that processes NIR images from the Near-Infrared Spectrometer and Photometer (NISP) instrument on board the Euclid satellite. NIR PF consists of three main components: (i) a common pre-processing stage for both photometric (NIR) …

fr, gb, it, us, nl, sk, de, mk, pt, es, ch, ca (code pays fourni par la source)

Euclid Quick Data Release (Q1)

L. Bisigello, G. Rodighiero, S. Fotopoulou, F. Ricci et autres

Recent observations with the James Webb Space Telescope (JWST) have revealed an interesting population of sources with a compact morphology and a characteristic v-shaped continuum, namely blue at a rest frame λ < 4000 Å and red at longer wavelengths. The nature …

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Euclid Quick Data Release (Q1)

Christophe Benoıst, A.H. Gonzalez, M Maturi, J.-B. Mélin et autres

The first survey data release by the Euclid mission covers approximately 63 deg 2 in the Euclid Deep Fields to the same depth as the Euclid Wide Survey. This paper showcases, for the first time, the performance of cluster finders on Euclid …

fr, us, de, it, gb, lb, es, pt, ch (code pays fourni par la source)