Milky way satellites shining bright in gravitational waves

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@article{43ea5aded4e84600920248bd2f64b060,
title = "Milky way satellites shining bright in gravitational waves",
abstract = "The population of Milky Way satellite galaxies is of great interest for cosmology, fundamental physics, and astrophysics. They represent the faint end of the galaxy luminosity function, are the most dark-matter dominated objects in the local Universe, and contain the oldest and most metal-poor stellar populations. Recent surveys have revealed around 60 satellites, but this could represent less than half of the total. Characterization of these systems remains a challenge due to their low luminosity. We consider the gravitational wave observatory LISA as a potential tool for studying these satellites through observations of their short-period double white dwarf populations. LISA will observe the entire sky without selection effects due to dust extinction, complementing optical surveys, and could potentially discover massive satellites hidden behind the disk of the galaxy. ",
keywords = "astro-ph.GA, astro-ph.HE, astro-ph.SR, gr-qc",
author = "Elinore Roebber and Riccardo Buscicchio and Alberto Vecchio and Moore, {Christopher J.} and Antoine Klein and Valeriya Korol and Silvia Toonen and Davide Gerosa and Janna Goldstein and Gaebel, {Sebastian M.} and Woods, {Tyrone E.}",
note = "7 pages, 2 figures, submitted",
year = "2020",
month = may,
day = "10",
doi = "10.3847/2041-8213/ab8ac9",
language = "English",
volume = "894",
journal = "Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "Institute of Physics Publishing Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - Milky way satellites shining bright in gravitational waves

AU - Roebber, Elinore

AU - Buscicchio, Riccardo

AU - Vecchio, Alberto

AU - Moore, Christopher J.

AU - Klein, Antoine

AU - Korol, Valeriya

AU - Toonen, Silvia

AU - Gerosa, Davide

AU - Goldstein, Janna

AU - Gaebel, Sebastian M.

AU - Woods, Tyrone E.

N1 - 7 pages, 2 figures, submitted

PY - 2020/5/10

Y1 - 2020/5/10

N2 - The population of Milky Way satellite galaxies is of great interest for cosmology, fundamental physics, and astrophysics. They represent the faint end of the galaxy luminosity function, are the most dark-matter dominated objects in the local Universe, and contain the oldest and most metal-poor stellar populations. Recent surveys have revealed around 60 satellites, but this could represent less than half of the total. Characterization of these systems remains a challenge due to their low luminosity. We consider the gravitational wave observatory LISA as a potential tool for studying these satellites through observations of their short-period double white dwarf populations. LISA will observe the entire sky without selection effects due to dust extinction, complementing optical surveys, and could potentially discover massive satellites hidden behind the disk of the galaxy.

AB - The population of Milky Way satellite galaxies is of great interest for cosmology, fundamental physics, and astrophysics. They represent the faint end of the galaxy luminosity function, are the most dark-matter dominated objects in the local Universe, and contain the oldest and most metal-poor stellar populations. Recent surveys have revealed around 60 satellites, but this could represent less than half of the total. Characterization of these systems remains a challenge due to their low luminosity. We consider the gravitational wave observatory LISA as a potential tool for studying these satellites through observations of their short-period double white dwarf populations. LISA will observe the entire sky without selection effects due to dust extinction, complementing optical surveys, and could potentially discover massive satellites hidden behind the disk of the galaxy.

KW - astro-ph.GA

KW - astro-ph.HE

KW - astro-ph.SR

KW - gr-qc

UR - http://www.scopus.com/inward/record.url?scp=85086122542&partnerID=8YFLogxK

U2 - 10.3847/2041-8213/ab8ac9

DO - 10.3847/2041-8213/ab8ac9

M3 - Article

VL - 894

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - L15

ER -