Variable stars as tracers of stellar populations in Local Group galaxies: Leo I and NGC 6822

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dc.creatorBaldacci, L.
dc.creatorMatonti, F.
dc.creatorRizzi, L.
dc.creatorClementini, G.
dc.creatorHeld, E. V.
dc.creatorMomany, Y.
dc.creatorDi Fabrizio, L.
dc.creatorSaviane, I.
dc.date2003-05-27
dc.date.accessioned2026-07-07T02:08:36Z
dc.date.available2026-07-07T02:08:36Z
dc.descriptionResults are presented of a study of the variable star populations in the dwarf spheroidal galaxy Leo I and in the dwarf irregular galaxy NGC 6822, based on time series photometry obtained with the Wide Field Imager of the 2.2 m ESO/MPI telescope (Leo I) and the Very Large Telescope (NGC 6822). We found about 250 (lower limit) variables in Leo I most of which are RR Lyrae stars. In NGC 6822 we identified 450 candidate variables among which about 20 are RR Lyrae stars, and many are low-luminosity, small-amplitude Cepheids.
dc.description4 pages, 1 figure, uses mem.cls, in Stars in Galaxies, La Palma, March 2003
dc.identifierhttps://arxiv.org/abs/astro-ph/0305506
dc.identifierhttp://arxiv.org/abs/astro-ph/0305506
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/6113
dc.subjectAstrophysics
dc.titleVariable stars as tracers of stellar populations in Local Group galaxies: Leo I and NGC 6822
dc.typetext

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