On the Schwarzschild velocity distribution of the local stellar disk

Evgeny Griv; Michael Gedalin; David Eichler

doi:10.1086/321736

On the Schwarzschild velocity distribution of the local stellar disk

Evgeny Griv, Michael Gedalin, David Eichler

Department of Physics

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The reaction between aperiodically growing Jeans-type gravity perturbations and stars in a rapidly rotating disk is analyzed with quasi-linear theory. The theory, applied to the solar neighborhood in the Galaxy, accounts for the observed Schwarzschild (anisotropic Maxwellian) shape for the stellar velocity ellipsoid and the increase in the random stellar velocities with age.

Original language	English
Pages (from-to)	L29-L32
Journal	Astrophysical Journal
Volume	555
Issue number	1 PART 2
DOIs	https://doi.org/10.1086/321736
State	Published - 1 Jul 2001

Keywords

Galaxies: Kinematics and dynamics
Galaxies: Structure
Instabilities
Waves

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/321736

Cite this

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title = "On the Schwarzschild velocity distribution of the local stellar disk",

abstract = "The reaction between aperiodically growing Jeans-type gravity perturbations and stars in a rapidly rotating disk is analyzed with quasi-linear theory. The theory, applied to the solar neighborhood in the Galaxy, accounts for the observed Schwarzschild (anisotropic Maxwellian) shape for the stellar velocity ellipsoid and the increase in the random stellar velocities with age.",

keywords = "Galaxies: Kinematics and dynamics, Galaxies: Structure, Instabilities, Waves",

author = "Evgeny Griv and Michael Gedalin and David Eichler",

note = "Funding Information: This work was partially supported by the Israel Science Foundation and the Israeli Ministry of Immigrant Absorption.",

year = "2001",

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T1 - On the Schwarzschild velocity distribution of the local stellar disk

AU - Griv, Evgeny

AU - Gedalin, Michael

AU - Eichler, David

N1 - Funding Information: This work was partially supported by the Israel Science Foundation and the Israeli Ministry of Immigrant Absorption.

PY - 2001/7/1

Y1 - 2001/7/1

N2 - The reaction between aperiodically growing Jeans-type gravity perturbations and stars in a rapidly rotating disk is analyzed with quasi-linear theory. The theory, applied to the solar neighborhood in the Galaxy, accounts for the observed Schwarzschild (anisotropic Maxwellian) shape for the stellar velocity ellipsoid and the increase in the random stellar velocities with age.

AB - The reaction between aperiodically growing Jeans-type gravity perturbations and stars in a rapidly rotating disk is analyzed with quasi-linear theory. The theory, applied to the solar neighborhood in the Galaxy, accounts for the observed Schwarzschild (anisotropic Maxwellian) shape for the stellar velocity ellipsoid and the increase in the random stellar velocities with age.

KW - Galaxies: Kinematics and dynamics

KW - Galaxies: Structure

KW - Instabilities

KW - Waves

UR - https://www.scopus.com/pages/publications/0035385056

U2 - 10.1086/321736

DO - 10.1086/321736

M3 - Article

AN - SCOPUS:0035385056

SN - 0004-637X

VL - 555

SP - L29-L32

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 PART 2

ER -

On the Schwarzschild velocity distribution of the local stellar disk

Abstract

Keywords

ASJC Scopus subject areas

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