Debris disks and multiplicity within the 75pc volume-limited A-Star (VAST) survey

R. J. De Rosa; B. Smith; J. Bulger; Jennifer Patience; C. Marois; I. Song; B. Macintosh; J. Graham; R. Doyon; M. Bessell

doi:10.1017/S174392131300882X

Debris disks and multiplicity within the 75pc volume-limited A-Star (VAST) survey

R. J. De Rosa, B. Smith, J. Bulger, Jennifer Patience, C. Marois, I. Song, B. Macintosh, J. Graham, R. Doyon, M. Bessell

Earth and Space Exploration, School of (SESE)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We present the preliminary findings of an investigation of the multiplicity of debris disk stars identified within our Volume-limited A-star (VAST) multiplicity survey. Previous studies have produced conflicting results regarding the multiplicity fraction of debris disk-hosting stars compared with non-excess stars. By combining our large-scale volume-limited AO survey of A-type stars with the all-sky WISE catalogue, we have investigated the frequency of binary companions to a large sample of A-type stars with and without measured 22μm excess. The results of this study will allow for a greater understanding of the interaction between a companion star and a circumstellar debris disk, informing future study into the formation and stability of planetary-mass companions within binary systems.

Original language	English (US)
Title of host publication	Exploring the Formation and Evolution of Planetary Systems
Publisher	Cambridge University Press
Pages	334-335
Number of pages	2
Edition	S299
ISBN (Print)	9781107045200
DOIs	https://doi.org/10.1017/S174392131300882X
State	Published - Jun 2013

Publication series

Name	Proceedings of the International Astronomical Union
Number	S299
Volume	8
ISSN (Print)	1743-9213
ISSN (Electronic)	1743-9221

Keywords

Stars: binaries: visual
Stars: circumstellar matter
Stars: early-type

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

Access to Document

10.1017/S174392131300882X

Cite this

De Rosa, R. J., Smith, B., Bulger, J., Patience, J., Marois, C., Song, I., Macintosh, B., Graham, J., Doyon, R., & Bessell, M. (2013). Debris disks and multiplicity within the 75pc volume-limited A-Star (VAST) survey. In Exploring the Formation and Evolution of Planetary Systems (S299 ed., pp. 334-335). (Proceedings of the International Astronomical Union; Vol. 8, No. S299). Cambridge University Press. https://doi.org/10.1017/S174392131300882X

Debris disks and multiplicity within the 75pc volume-limited A-Star (VAST) survey. / De Rosa, R. J.; Smith, B.; Bulger, J. et al.
Exploring the Formation and Evolution of Planetary Systems. S299. ed. Cambridge University Press, 2013. p. 334-335 (Proceedings of the International Astronomical Union; Vol. 8, No. S299).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

De Rosa, RJ, Smith, B, Bulger, J, Patience, J, Marois, C, Song, I, Macintosh, B, Graham, J, Doyon, R & Bessell, M 2013, Debris disks and multiplicity within the 75pc volume-limited A-Star (VAST) survey. in Exploring the Formation and Evolution of Planetary Systems. S299 edn, Proceedings of the International Astronomical Union, no. S299, vol. 8, Cambridge University Press, pp. 334-335. https://doi.org/10.1017/S174392131300882X

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abstract = "We present the preliminary findings of an investigation of the multiplicity of debris disk stars identified within our Volume-limited A-star (VAST) multiplicity survey. Previous studies have produced conflicting results regarding the multiplicity fraction of debris disk-hosting stars compared with non-excess stars. By combining our large-scale volume-limited AO survey of A-type stars with the all-sky WISE catalogue, we have investigated the frequency of binary companions to a large sample of A-type stars with and without measured 22μm excess. The results of this study will allow for a greater understanding of the interaction between a companion star and a circumstellar debris disk, informing future study into the formation and stability of planetary-mass companions within binary systems.",

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AU - De Rosa, R. J.

AU - Smith, B.

AU - Bulger, J.

AU - Patience, Jennifer

AU - Marois, C.

AU - Song, I.

AU - Macintosh, B.

AU - Graham, J.

AU - Doyon, R.

AU - Bessell, M.

PY - 2013/6

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N2 - We present the preliminary findings of an investigation of the multiplicity of debris disk stars identified within our Volume-limited A-star (VAST) multiplicity survey. Previous studies have produced conflicting results regarding the multiplicity fraction of debris disk-hosting stars compared with non-excess stars. By combining our large-scale volume-limited AO survey of A-type stars with the all-sky WISE catalogue, we have investigated the frequency of binary companions to a large sample of A-type stars with and without measured 22μm excess. The results of this study will allow for a greater understanding of the interaction between a companion star and a circumstellar debris disk, informing future study into the formation and stability of planetary-mass companions within binary systems.

AB - We present the preliminary findings of an investigation of the multiplicity of debris disk stars identified within our Volume-limited A-star (VAST) multiplicity survey. Previous studies have produced conflicting results regarding the multiplicity fraction of debris disk-hosting stars compared with non-excess stars. By combining our large-scale volume-limited AO survey of A-type stars with the all-sky WISE catalogue, we have investigated the frequency of binary companions to a large sample of A-type stars with and without measured 22μm excess. The results of this study will allow for a greater understanding of the interaction between a companion star and a circumstellar debris disk, informing future study into the formation and stability of planetary-mass companions within binary systems.

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Debris disks and multiplicity within the 75pc volume-limited A-Star (VAST) survey

Abstract

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Keywords

ASJC Scopus subject areas

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