학술논문

The Dark Energy Survey Year 3 and eBOSS: constraining galaxy intrinsic alignments across luminosity and colour space
Document Type
Working Paper
Author
Samuroff, S.Mandelbaum, R.Blazek, J.Campos, A.MacCrann, N.Zacharegkas, G.Amon, A.Prat, J.Singh, S.Elvin-Poole, J.Ross, A. J.Alarcon, A.Baxter, E.Bechtol, K.Becker, M. R.Bernstein, G. M.Rosell, A. CarneroKind, M. CarrascoCawthon, R.Chang, C.Chen, R.Choi, A.Crocce, M.Davis, C.DeRose, J.Dodelson, S.Doux, C.Drlica-Wagner, A.Eckert, K.Everett, S.Ferté, A.Gatti, M.Giannini, G.Gruen, D.Gruendl, R. A.Harrison, I.Herner, K.Huff, E. M.Jarvis, M.Kuropatkin, N.Leget, P. -F.Lemos, P.McCullough, J.Myles, J.Navarro-Alsina, A.Pandey, S.Porredon, A.Raveri, M.Rodriguez-Monroy, M.Rollins, R. P.Roodman, A.Rossi, G.Rykoff, E. S.Sánchez, C.Secco, L. F.Sevilla-Noarbe, I.Sheldon, E.Shin, T.Troxel, M. A.Tutusaus, I.Weaverdyck, N.Yanny, B.Yin, B.Zhang, Y.Aguena, J. Zuntz M.Alves, O.Annis, J.Bacon, D.Bertin, E.Bocquet, S.Brooks, D.Burke, D. L.Carretero, J.Costanzi, M.da Costa, L. N.Pereira, M. E. S.De Vicente, J.Desai, S.Diehl, H. T.Dietrich, J. P.Doel, P.Ferrero, I.Flaugher, B.Frieman, J.García-Bellido, J.Hinton, S. R.Hollowood, D. L.Honscheid, K.James, D. J.Kuehn, K.Lahav, O.Marshall, J. L.Melchior, P.Mena-Fernández, J.Menanteau, F.Miquel, R.Newman, J.Palmese, A.Pieres, A.Malagón, A. A. PlazasSanchez, E.Scarpine, V.Smith, M.Suchyta, E.Swanson, M. E. C.Tarle, G.To, C.
Source
Subject
Astrophysics - Cosmology and Nongalactic Astrophysics
Language
Abstract
We present direct constraints on galaxy intrinsic alignments using the Dark Energy Survey Year 3 (DES Y3), the Extended Baryon Oscillation Spectroscopic Survey (eBOSS) and its precursor, the Baryon Oscillation Spectroscopic Survey (BOSS). Our measurements incorporate photometric red sequence (redMaGiC) galaxies from DES with median redshift $z\sim0.2-1.0$, luminous red galaxies (LRGs) from eBOSS at $z\sim0.8$, and also a SDSS-III BOSS CMASS sample at $z\sim0.5$. We measure two point intrinsic alignment correlations, which we fit using a model that includes lensing, magnification and photometric redshift error. Fitting on scales $6Comment: Submitted to MNRAS; 22 pages, 11 figures