Tracing the evolution of nearby early-type galaxies in low density environments. The ultraviolet view from GALEX
- Author(s)
- R. Rampazzo, Francesca Annibali, A. Marino, Luciana Bianchi, A. Bressan, L. M. Buson, M. Clemens, P. Panuzzo, W. W. Zeilinger
- Abstract
We detected recent star formation in nearby early-type galaxies located in low density environments, with GALEX Ultraviolet (UV) imaging. Signatures of star formation may be present in the nucleus and in outer rings/arm like structures. Our study suggests that such star formation may be induced by different triggering mechanisms, such as the inner secular evolution driven by bars, and minor accretion phenomena. We investigate the nature of the (FUV-NUV) color vs. Mg2 correlation, and suggest that it relates to "downsizing" in galaxy formation.
- Organisation(s)
- Department of Astrophysics, Department of Neuroscience and Developmental Biology
- External organisation(s)
- Osservatorio Astronomico, Johns Hopkins University, Université Paris Saclay
- Journal
- Astrophysics and Space Science
- Volume
- 335
- Pages
- 201-206
- No. of pages
- 6
- ISSN
- 0004-640X
- DOI
- https://doi.org/10.1007/s10509-010-0586-5
- Publication date
- 09-2011
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103003 Astronomy, 103004 Astrophysics
- Keywords
- ASJC Scopus subject areas
- Astronomy and Astrophysics, Space and Planetary Science
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/tracing-the-evolution-of-nearby-earlytype-galaxies-in-low-density-environments-the-ultraviolet-view-from-galex(56e1850d-cc62-4e63-b5db-a3f0eb1e9004).html