The PAU Survey: Intrinsic alignments and clustering of narrow-band photometric galaxies

We present the first measurements of the projected clustering and intrinsic alignments (IA) of galaxies observed by the Physics of the Accelerating Universe Survey (PAUS). With photometry in 40 narrow optical passbands (4500 Å–8500 Å), the quality of photometric redshift estimation is σ z  ∼ 0.01(1 ...

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Published in:Astronomy and astrophysics (Berlin) 2021-02, Vol.646, p.A147
Main Authors: Johnston, Harry, Joachimi, Benjamin, Norberg, Peder, Hoekstra, Henk, Eriksen, Martin, Fortuna, Maria Cristina, Manzoni, Giorgio, Serrano, Santiago, Siudek, Malgorzata, Tortorelli, Luca, Asorey, Jacobo, Cabayol, Laura, Carretero, Jorge, Casas, Ricard, Castander, Francisco, Crocce, Martin, Fernandez, Enrique, García-Bellido, Juan, Gaztanaga, Enrique, Hildebrandt, Hendrik, Miquel, Ramon, Navarro-Girones, David, Padilla, Cristobal, Sanchez, Eusebio, Sevilla-Noarbe, Ignacio, Tallada-Crespí, Pau
Format: Article
Language:English
Subjects:
Astronomical catalogs
Clustering
Correlation analysis
Galaxies
Photometry
Red shift
Stars & galaxies
Statistical methods
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Summary:We present the first measurements of the projected clustering and intrinsic alignments (IA) of galaxies observed by the Physics of the Accelerating Universe Survey (PAUS). With photometry in 40 narrow optical passbands (4500 Å–8500 Å), the quality of photometric redshift estimation is σ z  ∼ 0.01(1 +  z ) for galaxies in the 19 deg 2 Canada-France-Hawaii Telescope Legacy Survey W3 field, allowing us to measure the projected 3D clustering and IA for flux-limited, faint galaxies ( i  
ISSN:0004-6361
1432-0746
DOI:10.1051/0004-6361/202039682