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Title:
11HUGS & LVL: Star Formation Properties of Local Volume Galaxies
Authors:
Lee, Janice C.; Gil de Paz, A.; Tremonti, C.; Kennicutt, R.; van Zee, L.; Sakai, S.; Funes, J. G.; LVL team
Affiliation:
AA(Carnegie Observatories), AB(Universidad Complutense de Madrid, Spain), AC(Steward Observatory), AD(University of Cambridge, United Kingdom), AE(Indiana University), AF(UCLA), AG(Vatican Observatory, Vatican City), AH()
Publication:
American Astronomical Society, AAS Meeting #211, #95.04; Bulletin of the American Astronomical Society, Vol. 39, p.895
Publication Date:
12/2007
Origin:
AAS
Bibliographic Code:
2007AAS...211.9504L

Abstract

11HUGS, the 11 Mpc H-alpha UV Galaxy Survey, is a GALEX Legacy program designed to systematically characterize the star formation demographics of the Local Volume using a complete sample of 258 spiral and irregular galaxies within 11 Mpc. The dataset consists of snapshots of the instantaneous massive star formation as captured via narrowband H-alpha imaging, as well as GALEX NUV (1500 Å) and FUV (2300 Å) imaging, which traces star formation over a longer 1e8 yr timescale. UV observations of the 11HUGS sample are now 80% complete, and we use the available data, along with the completed H-alpha component of the survey, to investigate the consistency between UV and H-alpha derived star formation rates over a full range of activities down to ultra-low SFRs of 0.0001 M_sun/yr. We also provide a first look at the span of UV-FIR SED and dust properties using initial data from the follow-on Cycle 4 Spitzer Local Volume Legacy (LVL) survey, which is obtaining mid and far-IR imaging for the full sample.
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