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Sailing on the Sagittarius Stream with Gaia DR2. I. The globular cluster NGC5634
M. Bellazzini, R. Ibata
We use Gaia DR2 data to show that the globular cluster NGC5634 is physically associated with an arm of the Sagittarius Stream, the huge system of tidal tails created by the ongoing…
Chemical abundances and radial velocities in the extremely metal-poor galaxy DDO 68
F. Annibali, V. La Torre, M. Tosi +9
We present chemical abundances and radial velocities of six HII regions in the extremely metal-poor star-forming dwarf galaxy DDO 68. They are derived from deep spectra in the wave…
The ESO Multi-Instrument Kinematic Survey (MIKiS) of Galactic Globular Clusters: solid body rotation and anomalous velocity dispersion profile in NGC 5986
B. Lanzoni, F. R. Ferraro, A. Mucciarelli +11
As part of the ESO-VLT Multi-Instrument Kinematic Survey (MIKiS) of Galactic globular clusters, we present a detailed investigation of the internal kinematics of NGC 5986. The anal…
The unexpected kinematics of multiple populations in NGC6362: do binaries play a role?
E. Dalessandro, A. Mucciarelli, M. Bellazzini +9
We present a detailed analysis of the kinematic properties of the multiple populations (MPs) in the low-mass Galactic globular cluster NGC6362 based on a sample of about 500 member…
Gaia Data Release 2. Summary of the contents and survey properties
Gaia Collaboration, A. G. A. Brown, A. Vallenari +4
We present the second Gaia data release, Gaia DR2, consisting of astrometry, photometry, radial velocities, and information on astrophysical parameters and variability, for sources…
The strong rotation of M5 (NGC 5904) as seen from the MIKiS Survey of Galactic Globular Clusters
B. Lanzoni, F. R. Ferraro, A. Mucciarelli +10
In the context of the ESO-VLT Multi-Instrument Kinematic Survey (MIKiS) of Galactic globular clusters, we present the line-of-sight rotation curve and velocity dispersion profile o…