Stellar populations in late-type spirals observed with SAURON

Details Stellar populations in late-type spirals observed with SAURON Stellar populations in late-type spirals observed with SAURON

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..245..301g&link_type=abstract

Formation and Evolution of Galaxy Bulges, Proceedings of the International Astronomical Union, IAU Symposium, Volume 245, p. 301

Astronomy and Astrophysics

Astronomy

Galaxies: Individual (Ngc2964), Galaxies: Evolution, Galaxies: Spiral

Scientific paper

We present results on the stellar populations of a sample of 18 late-type spirals, based on data acquired with the integral-field spectrograph SAURON at the WHT. We present the two-dimensional line-strength maps, the central line indices, and estimate the star formation time-scale. In an exponentially declining SFR scenario, we find a trend between the time-scale τ and the central velocity dispersion: more massive galaxies show shorter burst durations. A detailed study on these data is published by Ganda et al. (2007).

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