3 papers
astro-ph.GA2024
Offset of M54 from the Sagittarius Dwarf Spheroidal Galaxy
Zhaozhou An, Matthew G. Walker, Andrew B. Pace
We present results from simultaneous modeling of 2D (projected along the line of sight) position, proper motion and line-of-sight velocity for \textit{Gaia}- and APOGEE-observed st…
astro-ph.SR2024
Rotation and H emission in a young SMC cluster: a spectroscopic view of NGC 330
Paul I. Cristofari, Andrea K. Dupree, Antonino P. Milone +4
We present an analysis of high-resolution optical spectra recorded for 30 stars of the split extended main-sequence turnoff (eMSTO) of the young ( 40 Myr) Small Magellanic Cl…
astro-ph.SR2024
Abundances of Neutron-Capture Elements in 62 Stars in the Globular Cluster Messier 15
Jonathan Cabrera Garcia, Charli M. Sakari, Ian U. Roederer +7
M15 is a globular cluster with a known spread in neutron-capture elements. This paper presents abundances of neutron-capture elements for 62 stars in M15. Spectra were obtained wit…