Spiral Galaxies in the SAURON Survey

(2) ESA/ESTEC; (3) CRAL/Observatoire de Lyon; (4) Oxford; (5) Leiden; 6); (6) ESO; (7) University of Hertfordshire/Hatfield; (8) IAS Princeton); Davor Krajnovic (4); Eric Emsellem (3)

arxiv: 0709.4331 · v1 · submitted 2007-09-27 · 🌌 astro-ph

Spiral Galaxies in the SAURON Survey

Reynier F. Peletier (1) , Katia Ganda (1) , Jesus Falcon-Barroso (2) , Roland Bacon (3) , Michele Cappellari (4) , Roger L. Davies (4) , P. Tim de Zeeuw (5 , 6)

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Eric Emsellem (3) Davor Krajnovic (4) Harald Kuntschner (6) Richard M. McDermid (5) Marc Sarzi (7) Glenn van de Ven (8); ((1) Kapteyn Astronomical Institute Groningen (2) ESA/ESTEC (3) CRAL/Observatoire de Lyon (4) Oxford (5) Leiden (6) ESO Garching (7) University of Hertfordshire/Hatfield (8) IAS Princeton)

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keywords sauronbulgesdiscussgalacticsomespiralssurveyvelocity

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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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Spiral Galaxies in the SAURON Survey

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