Storm, J. and Carney, B. W. and Gieren, W. P. and Fouqué, P. and Freedman, W. L. and Madore, B. F. and Habgood, M. J. (2004) BVRIJK light curves and radial velocity curves for selected Magellanic Cloud Cepheids. Astronomy & Astrophysics, 415 (2). pp. 521-529. ISSN 0004-6361. doi:10.1051/0004-6361:20034633. https://resolver.caltech.edu/CaltechAUTHORS:20180306-160835731
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Abstract
We present high-precision and well sampled BVRIJK light curves and radial velocity curves for a sample of five Cepheids in the SMC. In addition we present radial velocity curves for three Cepheids in the LMC. The low-metallicity ([Fe/H ≈ -0.7) SMC stars have been selected for use in a Baade-Wesselink type analysis to constrain the metallicity effect on the Cepheid Period-Luminosity relation. The stars have periods of around 15 days so they are similar to the Cepheids observed by the Extragalactic Distance Scale Key Project on the Hubble Space Telescope. We show that the stars are representative of the SMC Cepheid population at that period and thus will provide a good sample for the proposed analysis. The actual Baade-Wesselink analysis is presented in a companion paper.
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| Additional Information: | © 2004 ESO. Article published by EDP Sciences. Received 5 August 2003; Accepted 14 November 2003; Published online 11 February 2004. Based on data acquired at the Las Campanas Observatory, Chile, the Cerro Tololo Inter American Observatory, Chile, and the European Southern Observatory, Chile. We appreciate the help we have received from Laura Kellar Fullton and Ricardo Muñoz in collecting the photometric data. BWC thanks the U. S. National Science Foundation for grants AST-8920742 and AST-9800427 to the University of North Carolina for support of this research. WPG acknowledges support for this work from the Chilean FONDAP Center for Astrophysics 15010003. Thanks is also due to Jørgen Otzen Petersen who kindly provided his IDL program to compute the Fourier coefficients and to the staff of the three observatories where the data were obtained. | |||||||||
| Group: | Infrared Processing and Analysis Center (IPAC) | |||||||||
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| Subject Keywords: | Cepheids – Magellanic Clouds | |||||||||
| Issue or Number: | 2 | |||||||||
| DOI: | 10.1051/0004-6361:20034633 | |||||||||
| Record Number: | CaltechAUTHORS:20180306-160835731 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180306-160835731 | |||||||||
| Official Citation: | BVRIJK light curves and radial velocity curves for selected Magellanic Cloud Cepheids Formula. J. Storm, B. W. Carney, W. P. Gieren, P. Fouqué, W. L. Freedman, B. F. Madore and M. J. Habgood. A&A, 415 2 (2004) 521-529. DOI: https://doi.org/10.1051/0004-6361:20034633 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 85150 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 07 Mar 2018 00:19 | |||||||||
| Last Modified: | 15 Nov 2021 20:26 |
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