Pulsating Variable Stars in the MACHO Bulge database: The Semiregular Variables

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dc.creatorMinniti, D.
dc.creatorAlcock, C.
dc.creatorAllsman, R. A.
dc.creatorAlves, D. R.
dc.creatorAxelrod, T. S.
dc.creatorBecker, A.
dc.creatorBennett, D. P.
dc.creatorCook, K. H.
dc.creatorFreeman, K. C.
dc.creatorGriest, K.
dc.creatorMarshall, S. L.
dc.creatorPeterson, B. A.
dc.creatorPratt, M. R.
dc.creatorQuinn, P. J.
dc.creatorRodgers, A. W.
dc.creatorStubbs, C. W.
dc.creatorSutherland, W.
dc.creatorTomaney, A.
dc.creatorVandehei, T.
dc.creatorWelch, D. L.
dc.date1997-12-03
dc.date.accessioned2026-07-07T02:25:28Z
dc.date.available2026-07-07T02:25:28Z
dc.descriptionWe review the pulsating stars contained in the top 24 fields of the MACHO bulge database, with special emphasis on the red semiregular stars. Based on period, amplitude and color cuts, we have selected a sample of 2000 semiregular variables with $15<P<100$ days. Their color-magnitude diagram is presented, and period-luminosity relation is studied, as well as their spatial distribution. We find that they follow the bar, unlike the RR Lyrae in these fields.
dc.description12 pages, 8 PostScript figures, uses jd24.sty. Invited review for IAU-JD24, to appear in: Pulsating Stars - Recent Developments in Theory and Observation, 1998, eds. M. Takeuti, D. Sasselov, (Universal Academy Press: Tokyo)
dc.identifierhttps://arxiv.org/abs/astro-ph/9712048
dc.identifierhttp://arxiv.org/abs/astro-ph/9712048
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/11888
dc.subjectAstrophysics
dc.titlePulsating Variable Stars in the MACHO Bulge database: The Semiregular Variables
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