Detection of Continuum Submillimeter Emission Associated with Candidate Protoplanets

被引：142

作者：

Isella, Andrea ^{[1
]}

Benisty, Myriam ^{[2
,3
,4
]}

Teague, Richard ^{[5
]}

Bae, Jaehan ^{[6
]}

Keppler, Miriam ^{[7
]}

Facchini, Stefano ^{[8
]}

Perez, Laura ^{[2
]}

机构：

[1] Rice Univ, Dept Phys & Astron, 6100 Main St,MS-108, Houston, TX 77005 USA

[2] Univ Chile, Dept Astron, Camino Observ 1515, Santiago, Chile

[3] CNRS, UMI 3386, Unidad Mixta Int Franco Chilena Astron, Santiago, Chile

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

[5] Univ Michigan, Dept Astron, 311 West Hall,1085 South Univ Ave, Ann Arbor, MI 48109 USA

[6] Carnegie Inst Sci, Dept Terr Magnetism, 5241 Broad Branch Rd NW, Washington, DC 20015 USA

[7] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[8] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2019年 / 879卷 / 02期

基金：

欧盟地平线“2020”; 美国国家科学基金会;

关键词：

instrumentation: high angular resolution; instrumentation: interferometers; planetary systems; planet-disk interactions; planets and satellites: formation; protoplanetary disks; PLANETS;

D O I：

10.3847/2041-8213/ab2a12

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the discovery of a spatially unresolved source of submillimeter continuum emission (lambda = 855 mu m) associated with a young planet, PDS 70 c, recently detected in Ha emission around the 5 Myr old T Tauri star PDS 70. We interpret the emission as originating from a dusty circumplanetary disk with a dust mass between 2 x 10(-3) M-circle plus and 4.2 x 10(-3) M-circle plus. Assuming a standard gas-to-dust ratio of 100, the ratio between the total mass of the circumplanetary disk and the mass of the central planet would be between 10(-4) and 10(-5). Furthermore, we report the discovery of another compact continuum source located 0 ''.074 +/- 0 ''.013 southwest of a second known planet in this system, PDS 70 b, that was previously detected in near-infrared images. We speculate that the latter source might trace dust orbiting in proximity of the planet, but more sensitive observations are required to unveil its nature.

引用

页数：10

共 33 条

[1] The Disk Substructures at High Angular Resolution Project (DSHARP). I. Motivation, Sample, Calibration, and Overview [J].

Andrews, Sean M. ;

Huang, Jane ;

Perez, Laura M. ;

Isella, Andrea ;

Dullemond, Cornelis P. ;

Kurtovic, Nicolas T. ;

Guzman, Viviana V. ;

Carpenter, John M. ;

Wilner, David J. ;

Zhang, Shangjia ;

Zhu, Zhaohuan ;

Birnstiel, Tilman ;

Bai, Xue-Ning ;

Benisty, Myriam ;

Hughes, A. Meredith ;

Oberg, Karin I. ;

Ricci, Luca .

ASTROPHYSICAL JOURNAL LETTERS, 2018, 869 (02)

[2]

AOYAMA Y, 2018, APJ, V866, DOI DOI 10.3847/1538-4357/AADC11

[3] The Disk Substructures at High Angular Resolution Project (DSHARP). V. Interpreting ALMA Maps of afProtoplanetary Disks in Terms of a Dust Model [J].

Birnstiel, Tilman ;

Dullemond, Cornelis P. ;

Zhu, Zhaohuan ;

Andrews, Sean M. ;

Bai, Xue-Ning ;

Wilner, David J. ;

Carpenter, John M. ;

Huang, Jane ;

Isella, Andrea ;

Benisty, Myriam ;

Perez, Laura M. ;

Zhang, Shangjia .

ASTROPHYSICAL JOURNAL LETTERS, 2018, 869 (02)

[4]

Bohn A. J., 2019, NATAS, V329, P1

[5]

Canup RM., 2009, The University of Arizona space science series, P59

[6] Spectral energy distributions of T Tauri stars with passive circumstellar disks [J].

Chiang, EI ;

Goldreich, P .

ASTROPHYSICAL JOURNAL, 1997, 490 (01) :368-376

[7] On the width and shape of gaps in protoplanetary disks [J].

Crida, A ;

Morbidelli, A ;

Masset, F .

ICARUS, 2006, 181 (02) :587-604

[8] The Disk Substructures at High Angular Resolution Project (DSHARP). VI. Dust Trapping in Thin-ringed Protoplanetary Disks [J].

Dullemond, Cornelis P. ;

Birnstiel, Tilman ;

Huang, Jane ;

Kurtovic, Nicolas T. ;

Andrews, Sean M. ;

Guzman, Viviana V. ;

Perez, Laura M. ;

Isella, Andrea ;

Zhu, Zhaohuan ;

Benisty, Myriam ;

Wilner, David J. ;

Bai, Xue-Ning ;

Carpenter, John M. ;

Zhang, Shangjia ;

Ricci, Luca .

ASTROPHYSICAL JOURNAL LETTERS, 2018, 869 (02)

[9] FLUID DYNAMICS OF STELLAR JETS IN REAL TIME: THIRD EPOCH HUBBLE SPACE TELESCOPE IMAGES OF HH 1, HH 34, AND HH 47 [J].

Hartigan, P. ;

Frank, A. ;

Foster, J. M. ;

Wilde, B. H. ;

Douglas, M. ;

Rosen, P. A. ;

Coker, R. F. ;

Blue, B. E. ;

Hansen, J. F. .

ASTROPHYSICAL JOURNAL, 2011, 736 (01)

[10] Signatures of Young Planets in the Continuum Emission from Protostellar Disks [J].

Isella, Andrea ;

Turner, Neal J. .

ASTROPHYSICAL JOURNAL, 2018, 860 (01)

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