Abstract
We present line-strength maps of a sample of 18 late-type spirals. The data have been taken using SAURON at the WHT. Apart from the maps, we present 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 velocity dispersion: more massive galaxies show shorter burst durations. This result is in agreement with the analysis of Hα emission in galaxies. A detailed study on these data will be published by Ganda et al. (2007).
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Ganda, K., Peletier, R. F., Falcón-Barroso, J., & McDermid, R. M. (2006). Two-dimensional spectroscopy of late-type spirals. In Proceedings of the International Astronomical Union (Vol. 2, pp. 511–512). Cambridge University Press. https://doi.org/10.1017/S1743921307008940
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