Author

A. Biviano

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Preprint Sep 2026

Euclid: Data Release 1 (DR1) -- Fornax-7, an ultra-faint companion to the Fornax dwarf spheroidal galaxy? A remote star cluster or dwarf satellite of the Fornax dSph

We report the discovery of an ultra-faint stellar system in the vicinity of the Fornax dwarf spheroidal (dSph) galaxy in Euclid DR1. This system, which we designate Fornax-7, is located $1.1$ deg from the centre of the Fornax dSph at about $145$ kpc, corresponding to a projected distance of $\sim 2.8$ kpc assuming the...

T. Saifollahi, A. Lançon, A. Ferguson et al. · 0 citations

Open access Sep 2026

Euclid preparation. CXI. 6× 2pt analysis of Euclid's spectroscopic and photometric data sets

In this paper we present cosmological parameter forecasts for the Euclid statistics, which include the galaxy clustering and weak lensing main probes together with previously neglected cross-covariance and cross-correlation signals between imaging-photometric and spectroscopic data. The aim is understanding the impact...

L. Paganin, M. Bonici, C. Carbone et al. · Astronomy & Astrophysics · 0 citations