Identification of RR Lyrae stars in multiband, sparsely-sampled data from the Dark Energy Survey using template fitting and Random Forest classification

Autor: A. H. Riley, P. S. Ferguson, J. L. Myron, B. Yanny, I. Sevilla-Noarbe, G. Gutierrez, N. Kuropatkin, A. K. Vivas, E. S. Rykoff, P. Doel, L. N. da Costa, Juan Garcia-Bellido, Michael Schubnell, Jennifer L. Marshall, L. Plybon, Daniel Thomas, E. Buckley-Geer, J. F. Maner, M. E. C. Swanson, James P. Long, Peter Melchior, Alex Drlica-Wagner, Alistair R. Walker, Marcelle Soares-Santos, R. C. Smith, Joshua A. Frieman, E. Morganson, S. A. Cantu, D. L. Hollowood, J. Annis, S. Serrano, K. Bechtol, Ricardo L. C. Ogando, Flavia Sobreira, David J. James, Ben Hoyle, Eric H. Neilsen, A. Carnero Rosell, A. A. Plazas, Basilio X. Santiago, C. E. Martínez-Vázquez, J. De Vicente, Louis E. Strigari, Vinu Vikram, C. B. D'Andrea, Douglas L. Tucker, Kyler Kuehn, W. G. Hartley, Douglas Burke, E. Suchyta, V. Scarpine, K. M. Stringer, Ramon Miquel, Z. Lin, Lucas M. Macri, Dylan Hatt, David J. Brooks, G. Tarle, T. F. Eifler, Daniel Gruen, T. M. C. Abbott, Arya Farahi, Enrique Gaztanaga, F. Paz-Chinchón, S. Allam, Christopher Nielsen, Andrew B. Pace, J. Gschwend, E. J. Sanchez, Ethan O. Nadler, M. Carrasco Kind, Tenglin Li, E. Bertin, Carlos E. Cunha, B. Flaugher, M. N. K. Smith, S. Desai, J. Carretero

Publikováno v: Astron.J.
Astron.J., 2019, 158 (1), pp.16. ⟨10.3847/1538-3881/ab1f46⟩
DES Collaboration & Thomas, D 2019, ' Identification of RR Lyrae stars in multiband, sparsely sampled data from the Dark Energy Survey using template fitting and random forest classification ', Astronomical Journal, vol. 158, no. 1, 16 . https://doi.org/10.3847/1538-3881/ab1f46

Many studies have shown that RR Lyrae variable stars (RRL) are powerful stellar tracers of Galactic halo structure and satellite galaxies. The Dark Energy Survey (DES), with its deep and wide coverage (g ~ 23.5 mag) in a single exposure; over 5000 de

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https://hal.archives-ouvertes.fr/hal-02136317