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arXiv 0709.4331astro-ph
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SAURON调查中的螺旋振子

Spiral Galaxies in the SAURON Survey

Reynier F. Peletier, Katia Ganda, Jesus Falcon-Barroso, Roland Bacon, Michele Cappellari, Roger L. Davies, P. Tim de Zeeuw, Eric Emsellem, Davor Krajnovic, Hara… 展开作者

Reynier F. Peletier, Katia Ganda, Jesus Falcon-Barroso, Roland Bacon, Michele Cappellari, Roger L. Davies, P. Tim de Zeeuw, Eric Emsellem, Davor Krajnovic, Harald Kuntschner, Richard M. McDermid, Marc Sarzi, Glenn van de Ven, ;

摘要:

我们讨论了一些最近的积分场光谱使用SAURON仪器的样品组成的24个早期型螺旋,部分的SAURON调查,和18晚型螺旋。利用恒星径向速度、速度色散和吸收线强度的二维地图,现在更容易理解附近星系凸起的性质。我们讨论了这项工作的几个亮点,并指出了一些新的想法,形成的星系凸起。

英文摘要:

We discuss some recent integral field spectroscopy using the SAURON instrument of a sample consisting of 24 early-type spirals, part of the SAURON Survey, and 18 late-type spirals. Using 2-dimensional maps of their stellar radial velocity, velocity dispersion, and absorption line strength, it is now much easier to understand the nature of nearby galactic bulges. We discuss a few highlights of this work, and point out some new ideas about the formation of galactic bulges.

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