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Evidence of Hubble flow-like motion of young stellar populations away from the Perseus arm
Carlos Román-Zúñiga, Alexandre Roman-Lopes, Mauricio Tapia +2
In this letter we present evidence of coherent outward motion of a sample of young stars (30 Myr) in the Perseus Arm, whose apparent origin is located in the vicinity of the W3…
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…
A chemical and kinematical analysis of the intermediate-age open cluster IC 166 from APOGEE and Gaia DR2
J. Schiappacasse-Ulloa, B. Tang, J. G. Fernández-Trincado +26
IC 166 is an intermediate-age open cluster ( Gyr) which lies in the transition zone of the metallicity gradient in the outer disc. Its location, combined with our very limi…
The APOGEE-2 Survey of the Orion Star Forming Complex II: Six-dimensional structure
Marina Kounkel, Kevin Covey, Genaro Suárez +17
We present an analysis of spectrosopic and astrometric data from APOGEE-2 and Gaia DR2 to identify structures towards the Orion Complex. By applying a hierarchical clustering algor…
Disk-Like Chemistry of the Triangulum-Andromeda Overdensity as Seen by APOGEE
Christian R. Hayes, Steven R. Majewski, Sten Hasselquist +15
The nature of the Triangulum-Andromeda (TriAnd) system has been debated since the discovery of this distant, low-latitude Milky Way (MW) overdensity more than a decade ago. Explana…
The APOGEE-2 Survey of the Orion Star Forming Complex: I. Target Selection and Validation with early observations
J'Neil Cottle, Kevin R. Covey, Genaro Suárez +26
The Orion Star Forming Complex (OSFC) is a central target for the APOGEE-2 Young Cluster Survey. Existing membership catalogs span limited portions of the OSFC, reflecting the diff…