Assembly bias evidence in close galaxy pairs

I. Ferreras, A. M. Hopkins, C. Lagos, A. E. Sansom, N. Scott, S. Croom, S. Brough

Research output: Contribution to journalArticle

Abstract

The growth channel of massive galaxies involving mergers can be studied via close pairs as putative merger progenitors, where the stellar populations of the satellite galaxies will be eventually incorporated into the massive primaries. We extend our recent analysis of the GAMA-based sample of close pairs presented in Ferreras et al. to the general spectroscopic data set of SDSS galaxies (DR14), for which the high S/N of the data enables a detailed analysis of the differences between satellite galaxies with respect to the mass of the primary galaxy. A sample of approximately 2000 satellites of massive galaxies is carefully selected within a relatively narrow redshift range (0.07

Original languageEnglish
Pages (from-to)435-443
Number of pages9
JournalMonthly Notices of the Royal Astronomical Society
Volume487
Issue number1
DOIs
Publication statusPublished - Jul 2019

Cite this

Ferreras, I., Hopkins, A. M., Lagos, C., Sansom, A. E., Scott, N., Croom, S., & Brough, S. (2019). Assembly bias evidence in close galaxy pairs. Monthly Notices of the Royal Astronomical Society, 487(1), 435-443. https://doi.org/10.1093/mnras/stz1286
Ferreras, I. ; Hopkins, A. M. ; Lagos, C. ; Sansom, A. E. ; Scott, N. ; Croom, S. ; Brough, S. / Assembly bias evidence in close galaxy pairs. In: Monthly Notices of the Royal Astronomical Society. 2019 ; Vol. 487, No. 1. pp. 435-443.
@article{9a07fbcfa1394e999dca2426ccfd3e4a,
title = "Assembly bias evidence in close galaxy pairs",
abstract = "The growth channel of massive galaxies involving mergers can be studied via close pairs as putative merger progenitors, where the stellar populations of the satellite galaxies will be eventually incorporated into the massive primaries. We extend our recent analysis of the GAMA-based sample of close pairs presented in Ferreras et al. to the general spectroscopic data set of SDSS galaxies (DR14), for which the high S/N of the data enables a detailed analysis of the differences between satellite galaxies with respect to the mass of the primary galaxy. A sample of approximately 2000 satellites of massive galaxies is carefully selected within a relatively narrow redshift range (0.07",
keywords = "galaxies: evolution, galaxies: formation, galaxies: interactions, galaxies: stellar content, DIGITAL SKY SURVEY, STELLAR POPULATION SYNTHESIS, STAR-FORMATION HISTORIES, ABSORPTION-LINE SPECTRA, GALACTIC CONFORMITY, ENVIRONMENTAL DEPENDENCE, MINOR MERGERS, HALO MODEL, MATTER, DARK",
author = "I. Ferreras and Hopkins, {A. M.} and C. Lagos and Sansom, {A. E.} and N. Scott and S. Croom and S. Brough",
year = "2019",
month = "7",
doi = "10.1093/mnras/stz1286",
language = "English",
volume = "487",
pages = "435--443",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "OXFORD UNIV PRESS UNITED KINGDOM",
number = "1",

}

Ferreras, I, Hopkins, AM, Lagos, C, Sansom, AE, Scott, N, Croom, S & Brough, S 2019, 'Assembly bias evidence in close galaxy pairs' Monthly Notices of the Royal Astronomical Society, vol. 487, no. 1, pp. 435-443. https://doi.org/10.1093/mnras/stz1286

Assembly bias evidence in close galaxy pairs. / Ferreras, I.; Hopkins, A. M.; Lagos, C.; Sansom, A. E.; Scott, N.; Croom, S.; Brough, S.

In: Monthly Notices of the Royal Astronomical Society, Vol. 487, No. 1, 07.2019, p. 435-443.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Assembly bias evidence in close galaxy pairs

AU - Ferreras, I.

AU - Hopkins, A. M.

AU - Lagos, C.

AU - Sansom, A. E.

AU - Scott, N.

AU - Croom, S.

AU - Brough, S.

PY - 2019/7

Y1 - 2019/7

N2 - The growth channel of massive galaxies involving mergers can be studied via close pairs as putative merger progenitors, where the stellar populations of the satellite galaxies will be eventually incorporated into the massive primaries. We extend our recent analysis of the GAMA-based sample of close pairs presented in Ferreras et al. to the general spectroscopic data set of SDSS galaxies (DR14), for which the high S/N of the data enables a detailed analysis of the differences between satellite galaxies with respect to the mass of the primary galaxy. A sample of approximately 2000 satellites of massive galaxies is carefully selected within a relatively narrow redshift range (0.07

AB - The growth channel of massive galaxies involving mergers can be studied via close pairs as putative merger progenitors, where the stellar populations of the satellite galaxies will be eventually incorporated into the massive primaries. We extend our recent analysis of the GAMA-based sample of close pairs presented in Ferreras et al. to the general spectroscopic data set of SDSS galaxies (DR14), for which the high S/N of the data enables a detailed analysis of the differences between satellite galaxies with respect to the mass of the primary galaxy. A sample of approximately 2000 satellites of massive galaxies is carefully selected within a relatively narrow redshift range (0.07

KW - galaxies: evolution

KW - galaxies: formation

KW - galaxies: interactions

KW - galaxies: stellar content

KW - DIGITAL SKY SURVEY

KW - STELLAR POPULATION SYNTHESIS

KW - STAR-FORMATION HISTORIES

KW - ABSORPTION-LINE SPECTRA

KW - GALACTIC CONFORMITY

KW - ENVIRONMENTAL DEPENDENCE

KW - MINOR MERGERS

KW - HALO MODEL

KW - MATTER

KW - DARK

U2 - 10.1093/mnras/stz1286

DO - 10.1093/mnras/stz1286

M3 - Article

VL - 487

SP - 435

EP - 443

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 1

ER -