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Anomalously low metallicity regions in MaNGA star-forming galaxies: Accretion Caught in Action?
Hsiang-Chih Hwang, Jorge K. Barrera-Ballesteros, Timothy M. Heckman +14
We use data from 1222 late-type star-forming galaxies in the SDSS IV MaNGA survey to identify regions in which the gas-phase metallicity is anomalously-low compared to expectations…
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…
Marvin: A Toolkit for Streamlined Access and Visualization of the SDSS-IV MaNGA Data Set
Brian Cherinka, Brett H. Andrews, José Sánchez-Gallego +11
The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, one of three core programs of the fourth-generation Sloan Digital Sky Survey (SDSS-IV), is producing a massi…
SDSS-IV MaNGA: local and global chemical abundance patterns in early-type galaxies
Taniya Parikh, Daniel Thomas, Claudia Maraston +6
Chemical enrichment signatures strongly constrain galaxy formation and evolution, and a detailed understanding of abundance patterns provides clues regarding the nucleosynthetic pr…
SDSS-IV MaNGA: Spatially resolved star-formation histories and the connection to galaxy physical properties
K. Rowlands, T. Heckman, V. Wild +11
A key task of observational extragalactic astronomy is to determine where -- within galaxies of diverse masses and morphologies -- stellar mass growth occurs, how it depends on gal…
SDSS-IV MaNGA: The Spatially Resolved Stellar Initial Mass Function in 400 Early-Type Galaxies
Taniya Parikh, Daniel Thomas, Claudia Maraston +20
MaNGA provides the opportunity to make precise spatially resolved measurements of the IMF slope in galaxies owing to its unique combination of spatial resolution, wavelength covera…