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- Centre National de la Recherche ScientifiqueFR463 papers
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154 papers · 1 filter
The discovery of a Li-Na-rich giant star in Omega Centauri: formed from the pure ejecta of super-AGB stars?
A. Mucciarelli, L. Monaco, P. Bonifacio +3
We report the discovery of two Li-rich giant stars (fainter than the red giant branch bump) in the stellar system Omega Centauri using GIRAFFE-FLAMES spectra. These two stars have…
Using Compressed Suffix-Arrays for a Compact Representation of Temporal-Graphs
Nieves R. Brisaboa, Diego Caro, Antonio Fariña +1
Temporal graphs represent binary relationships that change along time. They can model the dynamism of, for example, social and communication networks. Temporal graphs are defined a…
HST/WFC3 grism observations of clusters: The cluster vs. field stellar mass-size relation and evidence for size growth of quiescent galaxies from minor mergers
Jasleen Matharu, Adam Muzzin, Gabriel B. Brammer +13
Minor mergers are thought to be responsible for the size growth of quiescent field galaxies with decreasing redshift. We test this hypothesis using the cluster environment as a lab…
Multiplicity of Galactic Cepheids from long-baseline interferometry. IV. New detected companions from MIRC and PIONIER observations
A. Gallenne, P. Kervella, S. Borgniet +10
We aim at detecting and characterizing the main-sequence companions of a sample of known and suspected Galactic binary Cepheids. We used the multi-telescope interferometric combine…
Energy of asymptotically AdS black holes in Exotic Massive Gravity and its log-extension
Robert B. Mann, Julio Oliva, S. N. Sajadi
Recently a new three-dimensional theory of gravity, dubbed Exotic Massive Gravity, was proposed as a unitary theory both in the bulk as well as in the dual CFT. This is the second…
The globular cluster system of the isolated elliptical NGC 6411: An old system in an intermediate-age galaxy?
Juan Pablo Caso, Lilia P. Bassino, Tom Richtler +1
We present a photometric study of the isolated elliptical NGC 6411 and its globular cluster (GC) system, based on Gemini/GMOS g', r', i' photometry. This galaxy has been the host o…