Indexado en

Licencia y uso

Citaciones

Cited 10 times in

Cited 15 times in

Altmetrics

Grant support

The authors acknowledge the kind support of the computing team at IATE. The authors thank the anonymous referee for the revision that helped improve the presentation of this paper. FR, ALO, and ANR thanks the support by Agencia Nacional de Promocion Cientifica y Tecnologica, Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET, Argentina), and Secretaria de Ciencia y Tecnologia de la Universidad Nacional de Cordoba (SeCyT-UNC, Argentina). ADMD thanks Fondecyt for financial support through the Fondecyt Regular 2021 grant 1210612. SAC acknowledges funding from Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET, PIP-0387), Agencia Nacional de Promocion de la Investigacion, el Desarrollo Tecnologico y la Innovacion (Agencia I+ D + i, PICT-2018-3743), and Universidad Nacional de La Plata (G11-150), Argentina. MCA acknowledges financial support from the Austrian National Science Foundation through FWF stand-alone grant P31154-N27. CVM acknowledges support from ANID/FONDECYT through grant 3200918, and he also acknowledges support from the Max Planck Society through a Partner Group grant. The authors gratefully acknowledge the Gauss Centre for Supercomputing e.V. (www.gauss-centre.eu) and the Partnership for Advanced Supercomputing in Europe (PRACE, http://www.prace-ri.eu) for funding the MultiDark simulation project by providing computing time on the GCS Supercomputer SuperMUC at Leibniz Supercomputing Centre (LRZ, http://www.lrz.de).

Análisis de autorías institucional

Compartir

On the environmental influence of groups and clusters of galaxies beyond the virial radius: Galactic conformity at few Mpc scales

Publicado en:MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 513 (2): 2271-2284 - 2022-05-05 513(2), DOI: 10.1093/mnras/stac1020

Autores: Lacerna, Ivan; Rodriguez, Facundo; Montero-Dorta, Antonio D.; O'Mill, Ana L.; Cora, Sofia A.; Artale, M. Celeste; Ruiz, Andres N.; Hough, Tomas; Vega-Martinez, Cristian A.;

Afiliaciones

Resumen

The environment within dark matter haloes can quench the star formation of galaxies. However, environmental effects beyond the virial radius of haloes (greater than or similar to 1 Mpc) are less evident. An example is the debated correlation between colour or star formation in central galaxies and neighbour galaxies in adjacent haloes at large separations of several Mpc, referred to as two-halo galactic conformity. We use two galaxy catalogues generated from different versions of the semi-analytic model SAG applied to the MDPL2 cosmological simulation and the ILLUSTRISTNG300 cosmological hydrodynamical simulation to study the two-halo conformity by measuring the quenched fraction of neighbouring galaxies as a function of the real-space distance from central galaxies. We find that low-mass central galaxies in the vicinity of massive systems (M-200c >= 10(13) h(-1) M-circle dot) out to 5 h(-1) Mpc are preferentially quenched compared to other central galaxies at fixed stellar mass M-* or fixed host halo mass M-200c at z similar to 0. In all the galaxy catalogues is consistent that the low-mass (M-*< 10(10) h(-1) M-circle dot or M-200c < 10(11.8 )h(-1) M-circle dot) central galaxies in the vicinity of clusters and, especially, groups of galaxies mostly produce the two-halo galactic conformity. On average, the quenched low-mass central galaxies are much closer to massive haloes than star-forming central galaxies of the same mass (by a factor of similar to 5). Our results agree with other works regarding the environmental influence of massive haloes that can extend beyond the virial radius and affect nearby low-mass central galaxies.

Palabras clave