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212 papers · 1 filter
AMBER/VLTI observations of 5 giant stars
F. Cusano, C. Paladini, A. Richichi +6
While the search for exoplanets around main sequence stars more massive than the Sun have found relatively few such objects, surveys performed around giant stars have led to the di…
Environmental effects in the interaction and merging of galaxies in zCOSMOS
P. Kampczyk, S. J. Lilly, L. de Ravel +56
(Abridged) We analyze the environments and galactic properties (morphologies and star-formation histories) of a sample of 153 close kinematic pairs in the redshift range 0.2 < z <…
Fluctuations of Photon Arrival Times in Free Atmosphere
Stefano Cavazzani Sergio Ortolani, Cesare Barbieri
In this paper we calculate the delay of the arrival times of visible photons on the focal plane of a telescope and its fluctuations as function of local atmospheric conditions (tem…
Metal-Poor Lithium-Rich Giants in the Radial Velocity Experiment Survey
Gregory R. Ruchti, Jon P. Fulbright, Rosemary F. G. Wyse +17
We report the discovery of eight lithium-rich field giants found in a high resolution spectroscopic sample of over 700 metal-poor stars ([Fe/H]<-0.5) selected from the RAVE survey.…
Na-O anticorrelation and HB. IX. Kinematics of the program clusters. A link between systemic rotation and HB morphology?
M. Bellazzini, A. Bragaglia, E. Carretta +4
We use accurate radial velocities for 1981 member stars in 20 Galactic globular clusters, collected within our large survey aimed at the analysis of the Na-O anti-correlation, to s…
Star Formation in the Outer Galaxy: Coronal Properties of NGC 1893
M. Caramazza, G. Micela, L. Prisinzano +6
We investigate the X-ray properties of NGC 1893, a young cluster (~ 1-2 Myr) in the outer part of the Galaxy (galactic radius \geq 11 kpc) where we expect differences in the disk e…