392 citations
- Centre National de la Recherche ScientifiqueFR10 papers
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9 papers · 1 filter
Ensemble Variability Properties of Active Galactic Nuclei in the SDSS DR17
Krittapas Chanchaiworawit, Vicki Sarajedini
We present the results from a study of ~9,600 Broad-Line selected AGN with host galaxies detected from the Sloan Digital Sky Survey Data Release 17 (SDSS DR17). We compute ensemble…
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XXIV. Differences in internal kinematics of multiple stellar populations
M. Libralato, E. Vesperini, A. Bellini +12
Our understanding of the kinematic properties of multiple stellar populations (mPOPs) in Galactic globular clusters (GCs) is still limited compared to what we know about their chem…
Investigating a predicted metallicity [Fe/H] variation in the Type II Globular Cluster NGC 362
C. Vargas, S. Villanova, D. Geisler +4
NGC 362 is a non-common Type II Galactic globular cluster, showing a complex pseudo two-color diagram or 'chromosome map'. The clear separation of its stellar populations in the co…
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XXIII. Proper-motion catalogs and internal kinematics
M. Libralato, A. Bellini, E. Vesperini +17
A number of studies based on data collected by the () GO-13297 program "HST Legacy Survey of Galactic Globular Clusters: Shedding UV…
A Differential RR Lyrae Line-of-Sight Distance Between M31 and M33
Ata Sarajedini
We present a purely differential line-of-sight distance between M31 and M33 using ab-type RR Lyrae variables observed in each galaxy by the Hubble Space Telescope Advanced Camera f…
Intrinsic Metallicity Variation in the Intermediate Mass Type II Globular Cluster NGC 1261
César Muñoz, Douglas Geisler, Sandro Villanova +5
Globular Clusters (GCs) are now well known to almost universally show multiple popu-lations (MPs). The HST UV Legacy Survey of a large number of Galactic GCs in UV filters optimize…