Arid
DOI10.1016/j.newar.2005.10.025
Stellar kinematics and populations of early-type galaxies with the SAURON and OASIS integral-field spectrographs
McDermid, RM; Bacon, R; Kuntschner, H; Emsellem, E; Shapiro, KL; Bureau, M; Cappellari, M; Davies, RL; Falcon-Barroso, J; Krajnovic, D; Peletier, RF; Sarzi, M; de Zeeuw, T
会议名称Workshop on Adaptive Optics-Assisted Integral-Field Spectroscopy
会议日期MAY 09-11, 2005
会议地点SPAIN
英文摘要

We summarise the results and achievements of integral-field spectroscopy of early-type galaxies.. observed as part of a survey using both the SAURON and OASIS spectrographs. From the perspective of integral-field spectroscopy, these otherwise smooth and featureless objects show a wealth of structure, both in their stellar kinematics and populations. We focus on the stellar content, and examine properties on both kiloparsec scales with SAURON, and scales of 100's of parsecs with OASIS. These complementary studies reveal two types of kinematically distinct components (KDCs), differing primarily in their intrinsic sizes. In previous studies, KDCs and their host galaxies have generally been found to be unremarkable in other aspects. We show that large KDCs, typical of the well-studied cases, indeed show little or no age differences with their host galaxy. The KDCs detected with the higher spatial-resolution of OASIS are intrinsically smaller and include, in contrast, a significant fraction of young stars. We speculate on the relationship between KDCs and their host galaxies, and the implications for young populations in early-type galaxies. (c) 2005 Elsevier B.V. All rights reserved.


英文关键词galaxies : elliptical and lenticular cD galaxies : stellar content
来源出版物NEW ASTRONOMY REVIEWS
ISSN1387-6473
出版年2006
卷号49
期号10-12
页码521-535
出版者ELSEVIER SCI LTD
类型Article;Proceedings Paper
语种英语
国家Netherlands;France;Germany;USA;England
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000234960700007
WOS关键词HUBBLE-SPACE-TELESCOPE ; MASSIVE BLACK-HOLE ; ELLIPTICAL GALAXIES ; ISOPHOTE SHAPES ; GALACTIC NUCLEI ; CORES ; PHOTOMETRY ; EVOLUTION ; ROTATION ; CENTERS
WOS类目Astronomy & Astrophysics
WOS研究方向Astronomy & Astrophysics
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/296103
作者单位(1)Leiden Observ, NL-2333 CA Leiden, Netherlands;(2)Ctr Rech Astron, Lyon, France;(3)European So Observ, Space Telescope European Coordinating Facil, D-8046 Garching, Germany;(4)Univ Calif Berkeley, Berkeley, CA 94720 USA;(5)Univ Oxford, Oxford, England;(6)Univ Groningen, Kapteyn Astron Inst, NL-9700 AV Groningen, Netherlands
推荐引用方式
GB/T 7714
McDermid, RM,Bacon, R,Kuntschner, H,et al. Stellar kinematics and populations of early-type galaxies with the SAURON and OASIS integral-field spectrographs[C]:ELSEVIER SCI LTD,2006:521-535.
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