Inner density waves: The need for two-dimensional spectroscopy

2002/02/28 by Eric Emsellem, Éric Emsellem, Emsellem, Eric
Chemistry · Physics and Astronomy · #Advanced Fiber Laser Technologies #Astrophysics (astro-ph) #FOS: Physical sciences #Laser-Matter Interactions and Applications #Spectroscopy and Laser Applications #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/0202522

8 pages, 5 figures. Version with higher resolutions figures available at: http://www-obs.univ-lyon1.fr/eric.emsellem/papers/cozumel_emsellem2.ps.gz

arxiv created 2002/02/28 · openalex publication_date 2002/02/28 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In this paper, I emphasize the need for integral field spectroscopy in the study of density waves (bars, spirals, m=1 modes) in the centre of galaxies. I illustrate this by focusing on the complex and time dependent structures revealed by such techniques.

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