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- Universidad Andrés BelloCL217 papers
- Pontificia Universidad Católica de ChileCL167 papers
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- Centre National de la Recherche ScientifiqueFR69 papers
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7 papers · 2 filters
New Near-Infrared light-curve templates for RR Lyrae variables
V. F. Braga, P. B. Stetson, G. Bono +34
We provide homogeneous optical (UBVRI) and near-infrared (JHK) time series photometry for 254 cluster (omega Cen, M4) and field RR Lyrae (RRL) variables. We ended up with more than…
VVV-WIT-07: another Boyajian's star or a Mamajek's object?
Roberto K. Saito, Dante Minniti, Valentin D. Ivanov +6
We report the discovery of VVV-WIT-07, an unique and intriguing variable source presenting a sequence of recurrent dips with a likely deep eclipse in July 2012. The object was foun…
Long-term Stellar Variability in the Galactic Centre Region
C. Navarro Molina, J. Borissova, M. Catelan +5
We report the detection of variable stars within a 11.5' x 11.5' region near the Galactic centre (GC) that includes the Arches and Quintuplet clusters, as revealed by the VISTA Var…
VVV Survey of Blue Horizontal-Branch Stars in the Bulge-Halo Transition Region of the Milky Way
Katherine Montenegro, Dante Minniti, Javier Alonso-García +4
We characterize the population of blue horizontal-branch (BHB) stars in the bulge-halo transition region of the Milky Way using the VISTA Variables in the Vía Láctea (VVV) ESO Publ…
An Automated tool to detect variable sources in the Vista Variables in the V\'ıa Láctea Survey. The VVV Variables (V) catalog of tiles d001 and d002
Nicolás Medina, Jura Borissova, Amelia Bayo +8
Time-varying phenomena are one of the most substantial sources of astrophysical information and their study has led to many fundamental discoveries in modern astronomy. We have dev…
On the RR Lyrae stars in globulars: V. the complete Near-Infrared (JHKs) census of omega Centauri RR Lyrae variables
V. F. Braga, P. B. Stetson, G. Bono +35
We present a new complete Near-Infrared (NIR, ) census of RR Lyrae stars (RRLs) in the globular Cen (NGC 5139). We collected 15,472 images with 4-8m class telesc…