Unveiling the 3D structure of the central molecular zone from stellar kinematics and photometry: The 50 and 20 km/s clouds

[Context] The central molecular zone (CMZ), surrounding the Galactic centre, is the largest reservoir of dense molecular gas in the Galaxy. Despite its relative proximity, the 3D structure of the CMZ remains poorly constrained, primarily due to projection effects.

Bibliographic Details
Authors: Nogueras Lara, Francisco, Barnes, Ashley T., Henshaw, Jonathan D., Fiteni, Karl, Sofue, Yoshiaki, Schödel, Rainer, Martínez-Arranz, Álvaro, Sormani, Mattia Carlo, Armijos-Abendaño, Jairo, Colzi, Laura, Jiménez-Serra, Izaskun, Rivilla, Víctor M., García, Pablo, Ginsburg, Adam, Hu, Yue, Klessen, Ralf S., Diederik Kruijssen, J. M., Tolls, Volker, Lazarian, Alex, Lipman, Dani R., Longmore, Steven N., Lu, Xing, Carro Martín, Sergio, Riquelme-Vásquez, Denise, Pineda, Jaime E., Sánchez-Monge, Álvaro, Vasini, Arianna, Mills, Elisabeth A. C.
Format: article
Status:Published version
Publication Date:2026
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/424358
Online Access:http://hdl.handle.net/10261/424358
https://api.elsevier.com/content/abstract/scopus_id/105029311988
Access Level:Open access
Keyword:Dust
Extinction
Galaxy: center
Galaxy: stellar content
Galaxy: structure
Infrared: stars
Proper motions
Description
Summary:[Context] The central molecular zone (CMZ), surrounding the Galactic centre, is the largest reservoir of dense molecular gas in the Galaxy. Despite its relative proximity, the 3D structure of the CMZ remains poorly constrained, primarily due to projection effects.

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