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Chemical Radial Gradients for the Bulge Bar Stellar Populations from the APOGEE Survey

The Milky Way bulge bar is composed of multiple populations. Using chemical and kinematical planes, we segregate six populations in a bulge bar sample observed by the APOGEE survey: two with bar-driven orbits, two with eccentric orbits, and two with low-eccentricity orbits, each composed of low- and...

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Autori principali: J. V. Sales-Silva, K. Cunha, V. V. Smith, S. Daflon, D. Souto, R. Guerço, V. Loaiza-Tacuri, A. Queiroz, C. Chiappini, I. Minchev, S. R. Majewski, B. Barbuy, D. Bizyaev, José G. Fernández-Trincado, Peter M. Frinchaboy, S. Hasselquist, D. Horta, Henrik Jönsson, T. Masseron, N. Prantzos, R. P. Schiavon, M. Schultheis, M. Zoccali
Natura: Artigo
Lingua:Inglês
Pubblicazione: IOP Publishing 2026-01-01
Serie:The Astrophysical Journal
Soggetti:
Milky Way Galaxy
Galactic bulge
Stellar populations
Stellar abundances
Stellar kinematics
Accesso online:https://doi.org/10.3847/1538-4357/ae505e
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