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Multiple stellar populations in Galactic globular clusters: observational evidence
Antonino P. Milone, Giampaolo Piotto, Luigi R. Bedin +3
An increasing number of both photometric and spectroscopic observations over the last years have shown the existence of distinct sub-populations in many Galactic globular clusters…
The Hubble Space Telescope Andromeda Treasury Survey. I. A public Star Catalog and Atlas based on the ACS/WFC data
L. R. Bedin
As a legacy of the Hubble Space Telescope, a multi-cycle public survey has recently been approved and began to scan an area of approximately 0.5 degrees x 1.5 degrees in one quadra…
TASTE: The Asiago Search for Transit timing variations of Exoplanets. I. Overview and improved parameters for HAT-P-3b and HAT-P-14b
V. Nascimbeni, G. Piotto, L. R. Bedin +1
A promising method for detecting earth-sized exoplanets is the timing analysis of a known transit. The technique allows a search for variations in either the transit duration or th…
TASTE: The Asiago Survey for Timing transit variations of Exoplanets
V. Nascimbeni, G. Piotto, L. R. Bedin +1
A promising method to detect earth-sized exoplanets is the timing analysis of a known transit. The technique allows a search for variations in transit duration or center induced by…
X-shooter observations of main sequence stars in the globular cluster NGC 2808: first chemical tagging of a He-normal and a He-rich dwarf
A. Bragaglia, E. Carretta, R. G. Gratton +7
We present the first chemical composition study of two unevolved stars in the globular cluster NGC 2808, obtained with the spectrograph X-shooter@VLT. NGC 2808 shows three discrete…
An Empirical Pixel-Based Correction for Imperfect CTE. I. HST's Advanced Camera for Surveys
Jay Anderson, Luigi R. Bedin
We use an empirical approach to characterize the effect of charge-transfer efficiency (CTE) losses in images taken with the Wide-Field Channel of the Advanced Camera for Surveys. T…