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Spectral Evolution in High Redshift Quasars from the Final BOSS Sample
Trey W. Jensen, M. Vivek, Kyle S. Dawson +17
We report on the diversity in quasar spectra from the Baryon Oscillation Spectroscopic Survey. After filtering the spectra to mitigate selection effects and Malmquist bias associat…
APOGEE Chemical Abundances of Globular Cluster Giants in the Inner Galaxy
Ricardo P. Schiavon, Jennifer A. Johnson, Peter M. Frinchaboy +27
We report chemical abundances obtained by SDSS-III/APOGEE for giant stars in five globular clusters located within 2.2 kpc of the Galactic centre. We detect the presence of multipl…
SDSS-IV MaNGA: Properties of galaxies with kinematically decoupled stellar and gaseous components
Yifei Jin, Yanmei Chen, Yong Shi +30
We study the properties of 66 galaxies with kinematically misaligned gas and stars from MaNGA survey. The fraction of kinematically misaligned galaxies varies with galaxy physical…
Two Groups of Red Giants with Distinct Chemical Abundances in the Bulge Globular Cluster NGC 6553 Through the Eyes of APOGEE
Baitian Tang, Roger E. Cohen, Doug Geisler +18
Multiple populations revealed in globular clusters (GCs) are important windows to the formation and evolution of these stellar systems. The metal-rich GCs in the Galactic bulge are…
Do galaxy global relationships emerge from local ones? The SDSS IV MaNGA surface mass density-metallicity relation
Jorge K. Barrera-Ballesteros, Timothy M. Heckman, Guangtun B. Zhu +12
We present the stellar surface mass density {\it vs.} gas metallicity () relation for more than 500,000 spatially-resolved star-forming resolution elements (spaxels) from a…
SDSS-IV MaNGA: Faint quenched galaxies I- Sample selection and evidence for environmental quenching
Samantha J. Penny, Karen L. Masters, Anne-Marie Weijmans +21
Using kinematic maps from the Sloan Digital Sky Survey (SDSS) Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, we reveal that the majority of low-mass quenched g…