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Prolate rotation and metallicity gradient in the transforming dwarf galaxy Phoenix
Nikolay Kacharov, Giuseppina Battaglia, Marina Rejkuba +7
Transition type dwarf galaxies are thought to be systems undergoing the process of transformation from a star-forming into a passively evolving dwarf, which makes them particularly…
Astrometry with MCAO: HST-GeMS proper motions in the globular cluster NGC 6681
D. Massari, G. Fiorentino, A. McConnachie +7
Aims: for the first time the astrometric capabilities of the Multi-Conjugate Adaptive Optics (MCAO) facility GeMS with the GSAOI camera on Gemini-South are tested to quantify the a…
Stellar photometry with Multi Conjugate Adaptive Optics
Giuliana Fiorentino, Davide Massari, Alan McConnachie +14
We overview the current status of photometric analyses of images collected with Multi Conjugate Adaptive Optics (MCAO) at 8-10m class telescopes that operated, or are operating, on…
High-precision astrometry towards ELTs
Davide Massari, Giuliana Fiorentino, Eline Tolstoy +13
With the aim of paving the road for future accurate astrometry with MICADO at the European-ELT, we performed an astrometric study using two different but complementary approaches t…
MICADO: first light imager for the E-ELT
R. Davies, J. Schubert, M. Hartl +80
MICADO will equip the E-ELT with a first light capability for diffraction limited imaging at near-infrared wavelengths. The instrument's observing modes focus on various flavours o…
Ca II triplet spectroscopy of RGB stars in NGC 6822: kinematics and metallicities
Jesse Swan, Andrew A. Cole, Eline Tolstoy +1
We present a detailed analysis of the chemistry and kinematics of red giants in the dwarf irregular galaxy NGC 6822. Spectroscopy at 8500 Angstroms was acquired for 72 red giant st…