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11 papers · 1 filter
VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way
D. Minniti, P. W. Lucas, J. P. Emerson +63
We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey…
CaII Triplet Spectroscopy of Small Magellanic Cloud Red Giants. II. Abundances for a Sample of Field Stars
M. C. Parisi, D. Geisler, A. J. Grocholski +2
We have obtained metallicities of ~ 360 red giant stars distributed in 15 Small Magellanic Cloud (SMC) fields from near-infrared spectra covering the CaII triplet lines using the V…
Fast Inversion Method for Determination of Planetary Parameters from Transit Timing Variations
David Nesvorny, Cristian Beauge
The Transit Timing Variation (TTV) method relies on monitoring changes in timing of transits of known exoplanets. Non-transiting planets in the system can be inferred from TTVs by…
Mapping the Secular Resonance for Retrograde Irregular Satellites
J. Correa Otto, A. M. Leiva, C. A. Giuppone +1
Constructing dynamical maps from the filtered output of numerical integrations, we analyze the structure of the secular resonance for fictitious irregular satellites in r…
New evolutionary sequences for hot H-deficient white dwarfs on the basis of a full account of progenitor evolution
L. G. Althaus, J. A. Panei, M. M. Miller Bertolami +5
We present full evolutionary calculations appropriate for the study of hot hydrogen-deficent DO white dwarfs, PG 1159 stars, and DB white dwarfs. White dwarf sequences are computed…
Galaxy Properties in Clusters: Dependence on the Environment and the Cluster Identification Techniques
V. Coenda, H. Muriel
We investigate the dependence of several galaxy properties on the environment and cluster identification techniques. We select clusters of galaxies from two catalogues based on the…