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Low ionization lines in high luminosity quasars: The calcium triplet
Mary Loli Martínez-Aldama, Deborah Dultzin, Paola Marziani +4
In order to investigate where and how low ionization lines are emitted in quasars we are studying a new collection of spectra of the CaII triplet at 8498, 8542, 8662 obser…
The Mid-Infrared Extinction Law and its Variation in the Coalsack Nebula
Shu Wang, Jian Gao, B. W. Jiang +2
In recent years the wavelength dependence of interstellar extinction from the ultraviolet (UV), optical, through the near- and mid-infrared (IR) has been studied extensively. Altho…
The structure of massive quiescent galaxies at z~3 in the CANDELS-COSMOS field
Lulu Fan, Guanwen Fang, Yang Chen +5
In this letter, we use a two-color (J-L) vs. (V-J) selection criteria to search massive, quiescent galaxy candidates at 2.5<z<4.0 in the CANDELS-COSMOS field. We construct a H-sele…