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Valerio Marra

4 papers here

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author2

Across the 2 of 4 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO3
  • astro-ph.IM1
same name
  • Valerio Marra — 9 papers

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

most citedThe miniJPAS and J-NEP surveys: Machine learning for star-galaxy separation

1 citations · 1 across the 1 of their papers we have counts for

collaborators

4 papers

astro-ph.IM2025★ 1 cited

The miniJPAS and J-NEP surveys: Machine learning for star-galaxy separation

Ana Paula Jeakel, Gabriel Vieira dos Santos, Valerio Marra +27

We present a supervised machine learning classification of sources from the Javalambre Physics of the Accelerating Universe Astrophysical Survey (J-PAS) Pathfinder datasets: miniJP…

astro-ph.CO2025

Dark Degeneracy in DESI DR2: Interacting or Evolving Dark Energy?

Vitor Petri, Valerio Marra, Rodrigo von Marttens

The standard ΛCDM model, despite its success, is challenged by persistent observational tensions in the Hubble constant (H0​) and the matter clustering amplitude (S8​), motiv…

astro-ph.CO2025

The miniJPAS survey quasar selection V: combined algorithm

Ignasi Pérez-Ràfols, L. Raul Abramo, Ginés Martínez-Solaeche +27

Aims. Quasar catalogues from narrow-band photometric data are used in a variety of applications, including targeting for spectroscopic follow-up, measurements of supermassive black…

astro-ph.CO2025

J-PAS: Forecasting constraints on Neutrino Masses

Gabriel Rodrigues, Antonio J. Cuesta, Jailson Alcaniz +30

The large-scale structure survey J-PAS is taking data since October 2023. In this work, we present a forecast based on the Fisher matrix method to establish its sensitivity to the…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.