Bibcode
Zasowski, G.; Cohen, R. E.; Chojnowski, S. D.; Santana, F.; Oelkers, R. J.; Andrews, B.; Beaton, R. L.; Bender, C.; Bird, J. C.; Bovy, J.; Carlberg, J. K.; Covey, K.; Cunha, K.; Dell’Agli, F.; Fleming, Scott W.; Frinchaboy, P. M.; García-Hernández, D. A.; Harding, P.; Holtzman, J.; Johnson, J. A.; Kollmeier, J. A.; Majewski, S. R.; Mészáros, Sz.; Munn, J.; Muñoz, R. R.; Ness, M. K.; Nidever, D. L.; Poleski, R.; Román-Zúñiga, C.; Shetrone, M.; Simon, J. D.; Smith, V. V.; Sobeck, J. S.; Stringfellow, G. S.; Szigetiáros, L.; Tayar, J.; Troup, N.
Bibliographical reference
The Astronomical Journal, Volume 154, Issue 5, article id. 198, 18 pp. (2017).
Advertised on:
11
2017
Citations
216
Refereed citations
205
Description
APOGEE-2 is a high-resolution, near-infrared spectroscopic survey
observing ∼3 × 105 stars across the entire sky. It
is the successor to APOGEE and is part of the Sloan Digital Sky Survey
IV (SDSS-IV). APOGEE-2 is expanding on APOGEE’s goals of
addressing critical questions of stellar astrophysics, stellar
populations, and Galactic chemodynamical evolution using (1) an enhanced
set of target types and (2) a second spectrograph at Las Campanas
Observatory in Chile. APOGEE-2 is targeting red giant branch and red
clump stars, RR Lyrae, low-mass dwarf stars, young stellar objects, and
numerous other Milky Way and Local Group sources across the entire sky
from both hemispheres. In this paper, we describe the APOGEE-2
observational design, target selection catalogs and algorithms, and the
targeting-related documentation included in the SDSS data releases.
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Nucleosynthesis and molecular processes in the late stages of Stellar Evolution
Low- to intermediate-mass (M < 8 solar masses, Ms) stars represent the majority of stars in the Cosmos. They finish their lives on the Asymptotic Giant Branch (AGB) - just before they form planetary nebulae (PNe) - where they experience complex nucleosynthetic and molecular processes. AGB stars are important contributors to the enrichment of the
Domingo Aníbal
García Hernández