The Hector Survey: integral field spectroscopy of 100,000 galaxies

Abstract

In March 2013, the Sydney--AAO Multi-object Integral field spectrograph (SAMI) began a major survey of 3400 galaxies at the AAT, the largest of its kind to date. At the time of writing, over a third of the targets have been observed and the scientific impact has been immediate. The Manga galaxy survey has now started at the SDSS telescope and will target an even larger sample of nearby galaxies. In Australia, the community is now gearing up to deliver a major new facility called Hector that will allow integral field spectroscopy of 100 galaxies observed simultaneously. By the close of the decade, it will be possible to obtain integral field spectroscopy of 100,000 galaxies over 3000 square degrees of sky down to r=17 (median). Many of these objects will have HI imaging from the new ASKAP radio surveys. We discuss the motivation for such a survey and the use of new cosmological simulations that are properly matched to the integral field observations. The Hector survey will open up a new and unique parameter space for galaxy evolution studies.

Bland-Hawthorn, J. 2014, in IAU Symp. 309, "Galaxy in 3D across the Universe", B. L. Ziegler, F. Combes, H. Dannerbauer, M. Verdugo, Eds. (Cambridge: Cambridge Univ. Press), in press (8 pages, 5 figures)

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• LZIFU: an emission-line fitting toolkit for integral field spectroscopy data
• The Local Volume HI Survey: star formation properties
• The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations
• MNELLS: The MUSE Nearby Early-Type Galaxy Lens Locator Survey
• The CALIFA survey: A panoramic view on galaxy properties
• Gravitational redshift profiles of MaNGA BCGs