Galactic Bulges: the SAURON Perspective

Jesus Falcon-Barroso*, Reynier F. Peletier, Roland Bacon, Michele Cappellari, Roger L. Davies, P. Tim De Zeeuw, Eric Emsellem, Davor Krajnovic, Harald Kuntschner, Richard M. McDermid, Marc Sarzi, Remco C. E. van den Bosch, Glenn van de Ven

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

Abstract

We present results on the study of 24 bulges of Sa galaxies observed with the integral-field unit SAURON at the William Herschel Telescope. Here we review some of the main features observed in our maps in terms of their kinematics and stellar populations, and unveil a rather complex picture in which the centers of spiral galaxies are made of several components: one (or more) thin, disclike component, often containing recent star formation, and another, elliptical-like component, consisting of old stars and rotating more slowly, dominating the light above the plane.

Original languageEnglish
Title of host publicationGalaxy evolution
Subtitle of host publicationemerging insights and future challenges
EditorsS. Jogee, I. Marinova, L. Hao, G. A. Blanc
Place of PublicationSan Francisco, CA
PublisherAstronomical Society of the Pacific
Pages131-132
Number of pages2
ISBN (Print)9781583817186
Publication statusPublished - 2009
Externally publishedYes
EventInternational Conference on Galaxy Evolution: Emerging Insights and Future Challenges - Austin
Duration: 11 Nov 200814 Nov 2008

Publication series

NameAstronomical Society of the Pacific Conference Series
PublisherAstronomical Society of the Pacific
Volume419

Conference

ConferenceInternational Conference on Galaxy Evolution
CityAustin
Period11/11/0814/11/08

Keywords

  • LINE-STRENGTH MAPS
  • SPIRAL GALAXIES
  • STELLAR POPULATIONS
  • FUNDAMENTAL PLANE
  • DISK GALAXIES
  • PROJECT
  • GRADIENTS
  • COLORS

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