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Euclid. I. Overview of the Euclid mission
Euclid Collaboration, Y. Mellier, Abdurro'uf +1134
The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Eucl…
The VMC Survey - VI. Quasars behind the Magellanic system
M. -R. L. Cioni, D. Kamath, S. Rubele +8
The number and spatial distribution of confirmed quasi-stellar objects (QSOs) behind the Magellanic system is limited. This undermines their use as astrometric reference objects fo…
Spectra probing the number ratio of C- to M-type AGB stars in the NGC 6822 galaxy
Nikolay Kacharov, Marina Rejkuba, Maria-Rosa L. Cioni
Aims: We calibrate spectroscopically the C- versus (vs.) M-type asymptotic giant branch (AGB) star selection made using near-IR photometry, and investigate the spatial distribution…
The VMC Survey - I. Strategy and First Data
M. -R. L. Cioni, G. Clementini, L. Girardi +31
The new VISual and Infrared Telescope for Astronomy (VISTA) has started operations. Over its first five years it will be collecting data for six public surveys, one of these is the…
IR imaging surveys of AGB stars in the Magellanic Clouds
Maria-Rosa L. Cioni
AGB stars are ideal IR targets because they are cool and bright. Most of them escaped detection in optical or shallow IR surveys in the eighties contributing to the puzzling missin…
The metallicity gradient as a tracer of history and structure: the Magellanic Clouds and M33 galaxies
Maria-Rosa L. Cioni
The stellar metallicity and its gradient pose constraints to the formation and evolution of galaxies. This is a study of the metallicity gradient of the LMC, SMC and M33 galaxies d…
On the Recovery of the Star Formation History of the LMC from the VISTA Survey of the Magellanic System
L. Kerber, L. Girardi, S. Rubele +1
The VISTA near infrared survey of the Magellanic System (VMC) will provide deep YJKs photometry reaching stars in the oldest turn-off point all over the Magellanic Clouds (MCs). As…