A Metal-Strong and Dust-Rich Damped \lya Absorption System toward the Quasar SDSS J115705.52+615521.7

Jian-Guo Wang, Hong-Yan Zhou, Jian Ge +7

(Abridged for arXiv) We report the discovery of an unusual, extremely dust-rich and metal-strong damped \lya absorption system (DLA) at a redshift $z_a=2.4596$ toward the quasar…