Phase-space structure in the Monoceros region: radial velocities and TGAS data .
Abstract
Two sets of RV data and positions, one centered on (RA, DEC = 99o, +6o) covering a surface of 8o × 12o squared degrees, and other, 1 squared degree, with centre at NGC 2264 observed in a homogeneous way by GES consortium, have been taken as inputs for obtaining the Spectrum of Kinematic Groupings (SKG) \citep{2016MNRAS.456.2900A}, in the region. The analysis leads to detecting similar kinematic groupings in both samples, despite the different covered areas and data quality (Fig. 1). Most interesting is that the selected kinematic groups show clear counterparts in the space formed by stellar physical variables such as: T_{eff }, log(g), and EW(Li). Field stars in the area of the observed clusters enable us to get information on the Galactic kinematic structure in that directions.
- Publication:
-
Memorie della Societa Astronomica Italiana
- Pub Date:
- 2017
- Bibcode:
- 2017MmSAI..88..826A