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The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library
D. S. Aguado, Romina Ahumada, Andres Almeida +230
Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years o…
SDSS-IV MaStar -- A Large and Comprehensive Empirical Stellar Spectral Library: First Release
Renbin Yan, Yanping Chen, Daniel Lazarz +45
We present the first release of the MaNGA Stellar Library (MaStar), which is a large, well-calibrated, high-quality empirical library covering the wavelength range of 3,622-10,354A…
The Sloan Digital Sky Survey Reverberation Mapping Project: Systematic Investigations of Short-Timescale CIV Broad Absorption Line Variability
Z. S. Hemler, C. J. Grier, W. N. Brandt +10
We systematically investigate short-timescale (10-day rest-frame) CIV broad absorption-line (BAL) variability to constrain quasar-wind properties and provide insights into BAL-v…
The Spectroscopic Signature of Variability in High-Redshift Quasars
Jamie C. Dyer, Kyle S. Dawson, Hélion du Mas des Bourboux +5
Using 16,421 spectra from a sample of 340 quasars () from the SDSS Reverberation Mapping Project, we present an analysis of quasar spectral variability. We confirm the…
Evolution of Star-forming Galaxies from z = 0.7 to 1.2 with eBOSS Emission-line Galaxies
Hong Guo, Xiaohu Yang, Anand Raichoor +9
We study the evolution of star-forming galaxies with over the redshift range of 0.7<z<1.2 using the emission line galaxies (ELGs) in the ext…
44 New & Known M Dwarf Multiples In The SDSS-III/APOGEE M Dwarf Ancillary Science Sample
Jacob Skinner, Kevin R. Covey, Chad F. Bender +28
Binary stars make up a significant portion of all stellar systems. Consequently, an understanding of the bulk properties of binary stars is necessary for a full picture of star for…