2024-03-28T10:07:43Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/750852016-12-05T12:56:34Zcom_10261_36691com_10261_7col_10261_36692
DIGITAL.CSIC
author
Carretero, C.
author
Vazdekis, A.
author
González-García, A. César
author
Beckman, J. E.
author
Quilis, Vicente
2013-04-25T09:02:23Z
2013-04-25T09:02:23Z
2006-09-10
The Astrophysical Journal, 648 (2): L115-118. Bristol
0004-637X
http://hdl.handle.net/10261/75085
10.1086/508021
1538-4357
[EN]We present a complete analysis, which includes morphology, kinematics, stellar populations, and N-body simulations, of CGCG 480-022, the most distant (cz = 14,317 km s-1) isolated galaxy studied so far in such detail. The results all support the hypothesis that this galaxy has suffered a major merger event with a companion of ~0.1 times its mass. Morphology reveals the presence of a circumnuclear ring and possibly further ring debris. The radial velocity curve looks symmetrical, while the velocity dispersion increases with radius, reaching values that do not correspond to a virialized system. Moreover, this galaxy deviates significantly from the fundamental plane and the Faber-Jackson relation. The stellar population analysis show that the ring is younger and more metal-rich, which suggest that it has undergone a fairly recent burst of star formation. Both morphological and dynamical results are in broad agreement with our N-body simulations.
eng
openAccess
galaxies: abundances
galaxies: individual (CGCG 480 022)
galaxies: interactions
galaxies: kinematics and dynamics
galaxies: structure
methods: n-body simulations
Incipit
Instituto de Ciencias del Patrimonio
Institute of Heritage Sciences
CGCG 480-022: A distant lonesome merger?
artículo
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URL
https://digital.csic.es/bitstream/10261/75085/1/2006_Carretero%20et%20al.%20-%202006%20-%20CGCG%20480-022%20A%20distant%20lonesome%20merger.pdf
File
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application/pdf
2006_Carretero et al. - 2006 - CGCG 480-022 A distant lonesome merger.pdf
URL
https://digital.csic.es/bitstream/10261/75085/4/2006_Carretero%20et%20al.%20-%202006%20-%20CGCG%20480-022%20A%20distant%20lonesome%20merger.pdf.txt
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text/plain
2006_Carretero et al. - 2006 - CGCG 480-022 A distant lonesome merger.pdf.txt