5.4k citations
- European Southern ObservatoryCL411 papers
- Centre National de la Recherche ScientifiqueFR361 papers
- Pontificia Universidad Católica de ChileCL239 papers
- Max Planck Institute for AstronomyDE222 papers
- Osservatorio Astronomico di PadovaIT221 papers
- Millennium Institute of AstrophysicsCL210 papers
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- University of ChileCL190 papers
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- National Institute for AstrophysicsIT153 papers
1,447 papers
BRICS Southern Observatory (BRICS-SO) Project: Invitation to African countries to invest in Chile
Massinissa Hadjara, Amokrane Berdja, Swagat R. Das +6
Recently, the BRICS countries created a promising astronomy consortium (https://www.bricsastronomy.org/), which was joined last year by some emerging countries, including two Afric…
Matter Creation in Unimodular Gravity Cosmology
Víctor H. Cárdenas, Miguel Cruz, Samuel Lepe
We investigate matter creation in the cosmological framework of unimodular gravity. We keep the energy density , pressure , particle number density , and particle number $…
Continuum Variability in AGN: Evidence for Systematically Suppressed Fluctuations in the BAL Population
A. Aliaga, P. Arévalo, M. L. Martínez-Aldama +2
We aim to compare the flux variability of Broad Absorption Line quasars (BAL) to non-BAL quasars, controlling for black hole parameters to inform models concerning the generation o…
A comparative study of emergent dark energy models
Andrés García-Rivera, A. Hernández-Almada, Miguel A. García-Aspeitia +1
Late (emergent) dark energy models that involve a hyperbolic tangent in their dynamic equations have achieved success due to their simplicity, the possibility of resolving the Hubb…
New constraints on the binary system HD 327083 and its gaseous and dusty environments
L. Cidale, P. Marchiano, M. Kraus +11
Binary systems with circumbinary molecular and dust rings are of great interest because they provide insights into the dynamics and evolution of stellar systems and the chemistry o…
The X-ray-Weak Tail of the Quasar Population: Physical Properties and Redshift Evolution of Variability-Selected AGN in eFEDS
P. Arévalo, J. Buchner, M. Salvato +10
(abridged) Aims: To characterize variability-selected AGN candidates within the eROSITA Final Equatorial-Depth Survey (eFEDS), leveraging the synergy between optical variability an…