Final Targeting Strategy for the SDSS-IV APOGEE-2S Survey
Journal article, 2021
APOGEE is a high-resolution (R similar to 22,000), near-infrared, multi-epoch, spectroscopic survey of the Milky Way. The second generation of the APOGEE project, APOGEE-2, includes an expansion of the survey to the Southern Hemisphere called APOGEE-2S. This expansion enabled APOGEE to perform a fully panoramic mapping of all of the main regions of the Milky Way; in particular, by operating in the H band, APOGEE is uniquely able to probe the dust-hidden inner regions of the Milky Way that are best accessed from the Southern Hemisphere. In this paper we present the targeting strategy of APOGEE-2S, with special attention to documenting modifications to the original, previously published plan. The motivation for these changes is explained as well as an assessment of their effectiveness in achieving their intended scientific objective. In anticipation of this being the last paper detailing APOGEE targeting, we present an accounting of all such information complete through the end of the APOGEE-2S project; this includes several main survey programs dedicated to exploration of major stellar populations and regions of the Milky Way, as well as a full list of programs contributing to the APOGEE database through allocations of observing time by the Chilean National Time Allocation Committee and the Carnegie Institution for Science. This work was presented along with a companion article, Beaton et al. (2021), presenting the final target selection strategy adopted for APOGEE-2 in the Northern Hemisphere.
Author
Felipe A. Santana
University of Chile (UCH)
Rachael L. Beaton
Carnegie Institution for Science
Princeton University
Kevin R. Covey
Western Washington University
Julia E. O'Connell
University of Concepcion
Penelope Longa-Pena
University of Antofagasta
Roger Cohen
Space Telescope Science Institute (STScI)
Jose G. Fernandez-Trincado
University of Atacama
Universidad Catolica del Norte
Christian R. Hayes
University of Washington
Gail Zasowski
University of Utah
Jennifer S. Sobeck
University of Washington
Steven R. Majewski
New Mexico State University
University of Virginia
S. D. Chojnowski
Montana State University
Nathan De Lee
Northern Kentucky University
Vanderbilt University
Ryan J. Oelkers
Vanderbilt University
Guy S. Stringfellow
University of Colorado
Andres Almeida
New Mexico State University
University of Virginia
Borja Anguiano
University of Virginia
New Mexico State University
Macquarie University
John Donor
Texas Christian University
Peter M. Frinchaboy
Texas Christian University
Sten Hasselquist
University of Utah
Jennifer A. Johnson
Ohio State University
Juna A. Kollmeier
Carnegie Institution for Science
David L. Nidever
Montana State University
Adrian M. Price-Whelan
Flatiron Institute
Alvaro Rojas-Arriagada
Millennium Institute of Astrophysics
Pontificia Universidad Catolica de Chile
Mathias Schultheis
Observatoire de la Cote d'Azur
Matthew Shetrone
University of California
Joshua D. Simon
Carnegie Institution for Science
Conny Aerts
KU Leuven
Jura Borissova
University of Valparaíso
Millennium Institute of Astrophysics
Maria R. Drout
University of Toronto
Carnegie Institution for Science
Doug Geisler
University of Concepcion
University of La Serena
Chi Yan Law
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
Chinese University of Hong Kong
Nicolas Medina
University of Valparaíso
Millennium Institute of Astrophysics
Dante Minniti
Universidad Andrés Bello
Vatican Observatory
Antonela Monachesi
University of La Serena
Ricardo R. Munoz
University of Chile (UCH)
Radoslaw Poleski
University of Warsaw
Ohio State University
Alexandre Roman-Lopes
University of La Serena
Kevin C. Schlaufman
Johns Hopkins University
Amelia M. Stutz
University of Concepcion
Johanna Teske
Carnegie Institution for Science
Andrew Tkachenko
KU Leuven
Jennifer L. Van Saders
University of Hawaii
Alycia J. Weinberger
Carnegie Institution for Science
Manuela Zoccali
Pontificia Universidad Catolica de Chile
Millennium Institute of Astrophysics
Astronomical Journal
0004-6256 (ISSN) 1538-3881 (eISSN)
Vol. 162 6 303Subject Categories (SSIF 2011)
Computer Engineering
Computer Science
Computer Systems
DOI
10.3847/1538-3881/ac2cbc