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Title:
Active-Galaxy Science with the Large Synoptic Survey Telescope
Authors:
Brandt, W. Neil; Anderson, S.; Ballantyne, D.; Barth, A.; Brunner, R.; Chartas, G.; de Vries, W.; Eracleous, M.; Gibson, R.; Green, R.; Lacy, M.; Madejski, G.; Schneider, D.; Shemmer, O.; Smith, H.; Smith, P.; Vanden Berk, D.; LSST AGN Science Collaboration
Affiliation:
AA(Penn State Univ), AB(UW), AC(GA Tech), AD(UCI), AE(UI), AF(Penn State Univ), AG(IGPP), AH(Penn State Univ), AI(Penn State Univ), AJ(UA), AK(IPAC), AL(SLAC), AM(Penn State Univ), AN(UNT), AO(CfA), AP(UA), AQ(Penn State Univ), AR()
Publication:
American Astronomical Society, AAS Meeting #213, #460.12; Bulletin of the American Astronomical Society, Vol. 41, p.368
Publication Date:
01/2009
Origin:
AAS
Bibliographic Code:
2009AAS...21346012B

Abstract

The Large Synoptic Survey Telescope (LSST) will provide great advances in our understanding of the physics and demography of active galactic nuclei (AGNs), owing to its unprecedented combination of solid-angle coverage, photometric and astrometric accuracy, sensitivity, broad wavelength coverage, and time sampling. Well-defined, large (20-80 million) samples of AGNs at 0 < z < 7.5 can be constructed via four approaches: location in color-color space, variability, lack of proper motion, and matching to multiwavelength data. The samples will allow studies of the AGN luminosity function and AGN clustering down to Seyfert luminosities out to z 6-7.5. The time baseline (minutes to years), coupled with the large sample size, will produce a variability data set that can be used to address the physics of the AGN accretion process. Rare events, such as stellar tidal disruptions, the mergers of supermassive black holes, and strong microlensing events, will be identified rapidly allowing intensive follow-up studies. Comparison of LSST data with archival X-ray and infrared fields will be the first stage of follow-up for more than a million AGNs, many of which will be heavily obscured.
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