Bulge delta Scuti Stars in the MACHO Database

The MACHO Collaboration: C. Alcock , R.A. Allsman , D.R. Alves , T.S. Axelrod , A. Becker , D.P. Bennett , K.H. Cook , K.C. Freeman

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K. Griest M.J. Lehner S.L. Marshall D. Minniti B.A. Peterson M.R. Pratt P.J. Quinn A.W. Rodgers A. Rorabeck C.W. Stubbs W. Sutherland A. Tomaney T. Vandehei D.L. Welch

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classification 🌌 astro-ph

keywords deltabulgedatabasemachoscutistarsabsoluteamplitude

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We describe the search for delta Scuti stars in the MACHO database of bulge fields. Concentrating on a sample of high amplitude delta Scutis, we examine the light curves and pulsation modes. We also discuss their spatial distribution and evolutionary status using mean colors and absolute magnitudes.

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Bulge delta Scuti Stars in the MACHO Database

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