A Puzzling Li-rich Red Giant in the APOGEE Field
We report on a spectroscopic study of the unusual Li-rich red giant (RG) recently discovered in NGC 6819. This star was observed by the Apache Point Observatory Galactic Evolution Experiment (APOGEE) survey as part of the survey's calibration cluster sample. We use the high-resolution, near-infrared APOGEE spectrum to address its questionable
Carlberg, J. K. et al.
Fecha de publicación:
1
2015