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A Photometric Study of Globular Clusters Observed by the APOGEE Survey
Szabolcs Mészáros, D. A. García-Hernández, Santi Cassisi +8
In this paper we describe the photometric and spectroscopic properties of multiple populations in seven northern globular clusters. In this study we employ precise ground based pho…
The ISLAnds Project III: Variable Stars in Six Andromeda Dwarf Spheroidal Galaxies
Clara E. Martínez-Vázquez, Matteo Monelli, Edouard J. Bernard +15
We present a census of variable stars in six M31 dwarf spheroidal satellites observed with the Hubble Space Telescope. We detect 870 RR Lyrae (RRL) stars in the fields of And I (29…
The origin of the LMC stellar bar: clues from the SFH of the bar and inner disk
L. Monteagudo, C. Gallart, M. Monelli +2
We discuss the origin of the LMC stellar bar by comparing the star formation histories (SFH) obtained from deep color-magnitude diagrams (CMDs) in the bar and in a number of fields…
The STREGA survey. II. Globular Cluster Palomar 12
I. Musella, M. Di Criscienzo, M. Marconi +17
In the framework of the STREGA (STRucture and Evolution of the GAlaxy) survey, two fields around the globular cluster Pal 12 were observed with the aim of detecting the possible pr…
A Photometric Study of the Outer Halo Globular Cluster NGC 5824
A. R. Walker, G. Andreuzzi, C. E. Martínez-Vázquez +7
Multi-wavelength CCD photometry over 21 years has been used to produce deep color-magnitude diagrams together with light curves for the variables in the Galactic globular cluster N…
On a new theoretical framework for RR Lyrae stars II: Mid--Infrared Period--Luminosity--Metallicity Relations
Jillian R. Neeley, Massimo Marengo, Giuseppe Bono +14
We present new theoretical period-luminosity-metallicity (PLZ) relations for RR Lyrae stars (RRL) at Spitzer and WISE wavelengths. The PLZ relations were derived using nonlinear, t…