Mapping the Planetary Wake in HD 163296 with Kinematics

被引：23

作者：

Calcino, Josh ^{[1
]}

Hilder, Thomas ^{[2
]}

Price, Daniel J. ^{[2
]}

Pinte, Christophe ^{[2
,3
]}

Bollati, Francesco ^{[4
]}

Lodato, Giuseppe ^{[5
]}

Norfolk, Brodie J. ^{[6
]}

机构：

[1] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA

[2] Monash Univ, Sch Phys & Astron, Clayton, Vic 3800, Australia

[3] Univ Grenoble Alpes, CNRS, IPAG, F-38000 Grenoble, France

[4] Univ Insubria, Dipartimento Sci & Alta Tecnol, Via Valleggio 11, I-22100 Como, Italy

[5] Univ Milan, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy

[6] Swinburne Univ Technol, Ctr Astrophys & Supercomp CAS, Hawthorn, Vic 3122, Australia

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2022年 / 929卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

DRIVEN SPIRAL ARMS; RADIATIVE-TRANSFER; DISK; ACCRETION; I;

D O I：

10.3847/2041-8213/ac64a7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We map the planetary wake associated with the embedded protoplanet creating the CO kink in the disk of HD 163296. We show that the wake can be traced by a series of correlated perturbations in the peak velocity map. The sign change of the perturbations across the disk's major axis confirms that the wake induces predominantly radial motion, as predicted by models of planet-disk interaction. These results provide the first direct confirmation of planet wakes generated by Lindblad resonances. Mapping the wake provides a constraint on the disk aspect ratio, which is required to measure the mass of the planet.

引用

页数：8

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