Variability Studies with SDSS

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dc.creatorIvezic, Z.
dc.creatorLupton, R. H.
dc.creatorAnderson, S.
dc.creatorEyer, L.
dc.creatorJuric, M.
dc.creatorKnapp, G. R.
dc.creatorMiknaitis, G.
dc.creatorGunn, J. E.
dc.creatorRockosi, C. M.
dc.creatorSchlegel, D.
dc.creatorStrauss, M. A.
dc.creatorStubbs, C.
dc.creatorBerk, D. E. Vanden
dc.date2003-01-20
dc.date.accessioned2026-07-07T11:46:03Z
dc.date.available2026-07-07T11:46:03Z
dc.descriptionThe potential of the Sloan Digital Sky Survey for wide-field variability studies is illustrated using multi-epoch observations for 3,000,000 point sources observed in 700 deg2 of sky, with time spans ranging from 3 hours to 3 years. These repeated observations of the same sources demonstrate that SDSS delivers ~0.02 mag photometry with well behaved and understood errors. We show that quasars dominate optically faint (r > 18) point sources that are variable on time scales longer than a few months, while for shorter time scales, and at bright magnitudes, most variable sources are stars.
dc.description6 pages, 4 color figures, contribution for the workshop "Variability with Wide-field Imagers", Lampedusa, September 16-20, 2002
dc.identifierhttps://arxiv.org/abs/astro-ph/0301400
dc.identifierhttp://arxiv.org/abs/astro-ph/0301400
dc.identifierMem.Soc.Ast.It.74:978,2003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202091
dc.subjectAstrophysics
dc.titleVariability Studies with SDSS
dc.typetext

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