Spectroscopically identified intermediate age stars at 0.5–3 pc distance from Sagittarius A* Shogo Nishiyama, Rainer Schödel, Tatsuhito Yoshikawa, Tetsuya Nagata, Yosuke Minowa and Motohide Tamura A&A, 588 (2016) A49 Published online: 16 March 2016 DOI: 10.1051/0004-6361/201322392