COSMOS2015 photometric redshifts probe the impact of filaments on galaxy properties

COSMOS2015 photometric redshifts probe the impact of filaments on galaxy properties

Abstract The variation of galaxy stellar masses and colour types with the distance to projected cosmic filaments are quantified using the precise photometric redshifts of the COSMOS2015 catalogue extracted from Cosmological Evolution Survey (COSMOS) field (2 deg2). Realistic mock catalogues are also...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2018-03, Vol.474 (4), p.5437-5458
Hauptverfasser: Laigle, C, Pichon, C, Arnouts, S, McCracken, H J, Dubois, Y, Devriendt, J, Slyz, A, Le Borgne, D, Benoit-Lévy, A, Hwang, Ho Seong, Ilbert, O, Kraljic, K, Malavasi, N, Park, Changbom, Vibert, D
Format: Artikel
Sprache:eng
Schlagworte:
Active galactic nuclei
Active galaxies
Astrophysics
Filaments
Galaxies
Photometry
Physics
Polls & surveys
Red shift
Simulation
Star & galaxy formation
Star formation
Stars & galaxies
Stellar mass
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Zusammenfassung:Abstract The variation of galaxy stellar masses and colour types with the distance to projected cosmic filaments are quantified using the precise photometric redshifts of the COSMOS2015 catalogue extracted from Cosmological Evolution Survey (COSMOS) field (2 deg2). Realistic mock catalogues are also extracted from the lightcone of the cosmological hydrodynamical simulation Horizon-AGN. They show that the photometric redshift accuracy of the observed catalogue (σz  1010M⊙ and z 
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stx3055