Dark Energy Survey: Galaxy Sample for the Baryonic Acoustic Oscillation Measurement from the Final Dataset

In this paper we present and validate the galaxy sample used for the analysis of the baryon acoustic oscillation (BAO) signal in the Dark Energy Survey (DES) Y6 data. The definition is based on a color and redshift-dependent magnitude cut optimized to select galaxies at redshifts higher than 0.6, wh...

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Published in:arXiv.org 2024-02
Main Authors: Mena-Fernández, J, Rodríguez-Monroy, M, Avila, S, Porredon, A, Chan, K C, Camacho, H, Weaverdyck, N, Sevilla-Noarbe, I, Sanchez, E, L Toribio San Cipriano, De Vicente, J, Ferrero, I, Cawthon, R, A Carnero Rosell, Elvin-Poole, J, Giannini, G, Adamow, M, Bechtol, K, Drlica-Wagner, A, Gruendl, R A, Hartley, W G, Pieres, A, Ross, A J, Rykoff, E S, Sheldon, E, Yanny, B, Abbott, T M C, Aguena, M, Allam, S, Alves, O, Amon, A, Andrade-Oliveira, F, Annis, J, Bacon, D, Blazek, J, Bocquet, S, Brooks, D, Carretero, J, Castander, F J, Conselice, C, Crocce, M, da Costa, L N, Pereira, M E S, Davis, T M, Deiosso, N, Desai, S, Diehl, H T, Dodelson, S, Doux, C, Everett, S, Frieman, J, García-Bellido, J, Gaztanaga, E, Gutierrez, G, Hinton, S R, Hollowood, D L, Honscheid, K, Huterer, D, Kuehn, K, Lahav, O, Lee, S, Lidman, C, Lin, H, Marshall, J L, Menanteau, F, Miquel, R, Myles, J, Ogando, R L C, Palmese, A, Percival, W J, Plazas Malagón, A A, Roodman, A, Rosenfeld, R, Samuroff, S, D Sanchez Cid, Santiago, B, Schubnell, M, Smith, M, Suchyta, E, Swanson, M E C, Tarle, G, Thomas, D, C To, Tucker, D L, Walker, A R, Weller, J, Wiseman, P, Yamamoto, M
Format: Article
Language:English
Subjects:
Acoustic surveying
Algorithms
Baryons
Clustering
Dark energy
Diameters
Galaxy distribution
Red shift
Sky surveys (astronomy)
Stars & galaxies
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Summary:In this paper we present and validate the galaxy sample used for the analysis of the baryon acoustic oscillation (BAO) signal in the Dark Energy Survey (DES) Y6 data. The definition is based on a color and redshift-dependent magnitude cut optimized to select galaxies at redshifts higher than 0.6, while ensuring a high-quality photo-\(z\) determination. The optimization is performed using a Fisher forecast algorithm, finding the optimal \(i\)-magnitude cut to be given by \(i\)
ISSN:2331-8422