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A new path to constrain the expansion history of the Universe in future spectroscopic galaxy surveys
Elena Tomasetti, Michele Moresco, Nicola Borghi +6
The current tension between early- and late-Universe measurements of the Hubble constant (), along with the still elusive nature of dark matter and dark energy, calls for mode…
Standard Sirens in 2040s: Probing the Cosmic Expansion History with Gravitational Waves and Spectroscopic Galaxy Surveys
Nicola Borghi, Michele Moresco, Richard I. Anderson +11
Gravitational waves (GWs) from compact binary coalescences have matured into a robust cosmological probe, providing self-calibrated luminosity distance measurements independent of…
Euclid preparation: LXXXVII. Non-Gaussianity of 2-point statistics likelihood: Precise analysis of the matter power spectrum distribution
Euclid Collaboration, J. Bel, S. Gouyou Beauchamps +281
We investigate the non-Gaussian features in the distribution of the matter power spectrum multipoles. Using the COVMOS method, we generate 100\,000 mock realisations of dark matter…
Euclid: Star clusters in IC 342, NGC 2403, and Holmberg II
S. S. Larsen, A. M. N. Ferguson, J. M. Howell +156
We examine the star cluster populations in the three nearby galaxies IC 342, NGC 2403, and Holmberg II, observed as part of the Euclid Early Release Observations programme. Our mai…
Euclid Quick Data Release (Q1). Combined Euclid and Spitzer galaxy density catalogues at 1.3 and detection of significant Euclid passive galaxy overdensities in Spitzer overdense regions
Euclid Collaboration, N. Mai, S. Mei +308
Euclid will detect tens of thousands of clusters and protoclusters at >1.3. With a total coverage of 63.1deg, the Euclid Quick Data Release 1 (Q1) is large enough to detect…
Euclid: Quick Data Release (Q1) -- A census of dwarf galaxies across a range of distances and environments
F. R. Marleau, R. Habas, D. Carollo +204
The Euclid Q1 fields were selected for calibration purposes in cosmology and are therefore relatively devoid of nearby galaxies. However, this is precisely what makes them interest…