Galactoseismology in the GAIA Era

被引：1
|
作者：
Chakrabarti, Sukanya [1 ]
机构：
[1] Rochester Inst Technol, Sch Phys & Astron, 84 Lomb Mem Dr, Rochester, NY 14623 USA
来源：
FORMATION AND EVOLUTION OF GALAXY OUTSKIRTS | 2016年 / 11卷 / S321期
关键词：
Galaxy: kinematics and dynamics; galaxies: dwarf; (cosmology): dwarf; SAGITTARIUS; STREAMS;
D O I：
10.1017/S1743921316011078
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The GAIA satellite will provide unprecedented phase-space information for our Galaxy and enable a new era of Galactic dynamics. We may soon see successful realizations of Galactoseismology, i.e., inferring the characteristics of the Galactic potential and sub-structure from a dynamical analysis of observed perturbations in the gas or stellar disk of the Milky Way. Here, we argue that to maximally take advantage of the GAIA data and other complementary surveys, it is necessary to build comprehensive models for both the stars and the gas. We outline several key morphological puzzles of the Galactic disk and proposed solutions that may soon be tested.
引用
收藏
页码：108 / 110
页数：3
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