EXO-zodi modeling for the large binocular telescope interferometer

Grant M. Kennedy; Mark C. Wyatt; Vanessa Bailey; Geoffrey Bryden; William C. Danchi; Denis Defrère; Chris Haniff; Philip M. Hinz; Jérémy Lebreton; Bertrand Mennesson; Rafael Millan-Gabet; Farisa Morales; Olja Panić; George H. Rieke; Aki Roberge; Eugene Serabyn; Andrew Shannon; Andrew J. Skemer; Karl R. Stapelfeldt; Katherine Y.L. Su; Alycia J. Weinberger

doi:10.1088/0067-0049/216/2/23

EXO-zodi modeling for the large binocular telescope interferometer

Grant M. Kennedy, Mark C. Wyatt, Vanessa Bailey, Geoffrey Bryden, William C. Danchi, Denis Defrère, Chris Haniff, Philip M. Hinz, Jérémy Lebreton, Bertrand Mennesson, Rafael Millan-Gabet, Farisa Morales, Olja Panić, George H. Rieke, Aki Roberge, Eugene Serabyn, Andrew Shannon, Andrew J. Skemer, Karl R. Stapelfeldt, Katherine Y.L. SuAlycia J. Weinberger

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

30 Scopus citations

Abstract

Habitable zone dust levels are a key unknown that must be understood to ensure the success of future space missions to image Earth analogs around nearby stars. Current detection limits are several orders of magnitude above the level of the solar system's zodiacal cloud, so characterization of the brightness distribution of exo-zodi down to much fainter levels is needed. To this end, the Large Binocular Telescope Interferometer (LBTI) will detect thermal emission from habitable zone exo-zodi a few times brighter than solar system levels. Here we present a modeling framework for interpreting LBTI observations, which yields dust levels from detections and upper limits that are then converted into predictions and upper limits for the scattered light surface brightness. We apply this model to the HOSTS survey sample of nearby stars; assuming a null depth uncertainty of 10^-4 the LBTI will be sensitive to dust a few times above the solar system level around Sun-like stars, and to even lower dust levels for more massive stars.

Original language	English (US)
Article number	23
Journal	Astrophysical Journal, Supplement Series
Volume	216
Issue number	2
DOIs	https://doi.org/10.1088/0067-0049/216/2/23
State	Published - Feb 1 2015

Keywords

circumstellar matter
instrumentation: interferometers
zodiacal dust

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1088/0067-0049/216/2/23

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Kennedy, G. M., Wyatt, M. C., Bailey, V., Bryden, G., Danchi, W. C., Defrère, D., Haniff, C., Hinz, P. M., Lebreton, J., Mennesson, B., Millan-Gabet, R., Morales, F., Panić, O., Rieke, G. H., Roberge, A., Serabyn, E., Shannon, A., Skemer, A. J., Stapelfeldt, K. R., ... Weinberger, A. J. (2015). EXO-zodi modeling for the large binocular telescope interferometer. Astrophysical Journal, Supplement Series, 216(2), Article 23. https://doi.org/10.1088/0067-0049/216/2/23

Kennedy, GM, Wyatt, MC, Bailey, V, Bryden, G, Danchi, WC, Defrère, D, Haniff, C, Hinz, PM, Lebreton, J, Mennesson, B, Millan-Gabet, R, Morales, F, Panić, O, Rieke, GH, Roberge, A, Serabyn, E, Shannon, A, Skemer, AJ, Stapelfeldt, KR, Su, KYL & Weinberger, AJ 2015, 'EXO-zodi modeling for the large binocular telescope interferometer', Astrophysical Journal, Supplement Series, vol. 216, no. 2, 23. https://doi.org/10.1088/0067-0049/216/2/23

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abstract = "Habitable zone dust levels are a key unknown that must be understood to ensure the success of future space missions to image Earth analogs around nearby stars. Current detection limits are several orders of magnitude above the level of the solar system's zodiacal cloud, so characterization of the brightness distribution of exo-zodi down to much fainter levels is needed. To this end, the Large Binocular Telescope Interferometer (LBTI) will detect thermal emission from habitable zone exo-zodi a few times brighter than solar system levels. Here we present a modeling framework for interpreting LBTI observations, which yields dust levels from detections and upper limits that are then converted into predictions and upper limits for the scattered light surface brightness. We apply this model to the HOSTS survey sample of nearby stars; assuming a null depth uncertainty of 10-4 the LBTI will be sensitive to dust a few times above the solar system level around Sun-like stars, and to even lower dust levels for more massive stars.",

keywords = "circumstellar matter, instrumentation: interferometers, zodiacal dust",

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T1 - EXO-zodi modeling for the large binocular telescope interferometer

AU - Kennedy, Grant M.

AU - Wyatt, Mark C.

AU - Bailey, Vanessa

AU - Bryden, Geoffrey

AU - Danchi, William C.

AU - Defrère, Denis

AU - Haniff, Chris

AU - Hinz, Philip M.

AU - Lebreton, Jérémy

AU - Mennesson, Bertrand

AU - Millan-Gabet, Rafael

AU - Morales, Farisa

AU - Panić, Olja

AU - Rieke, George H.

AU - Roberge, Aki

AU - Serabyn, Eugene

AU - Shannon, Andrew

AU - Skemer, Andrew J.

AU - Stapelfeldt, Karl R.

AU - Su, Katherine Y.L.

AU - Weinberger, Alycia J.

PY - 2015/2/1

Y1 - 2015/2/1

N2 - Habitable zone dust levels are a key unknown that must be understood to ensure the success of future space missions to image Earth analogs around nearby stars. Current detection limits are several orders of magnitude above the level of the solar system's zodiacal cloud, so characterization of the brightness distribution of exo-zodi down to much fainter levels is needed. To this end, the Large Binocular Telescope Interferometer (LBTI) will detect thermal emission from habitable zone exo-zodi a few times brighter than solar system levels. Here we present a modeling framework for interpreting LBTI observations, which yields dust levels from detections and upper limits that are then converted into predictions and upper limits for the scattered light surface brightness. We apply this model to the HOSTS survey sample of nearby stars; assuming a null depth uncertainty of 10-4 the LBTI will be sensitive to dust a few times above the solar system level around Sun-like stars, and to even lower dust levels for more massive stars.

AB - Habitable zone dust levels are a key unknown that must be understood to ensure the success of future space missions to image Earth analogs around nearby stars. Current detection limits are several orders of magnitude above the level of the solar system's zodiacal cloud, so characterization of the brightness distribution of exo-zodi down to much fainter levels is needed. To this end, the Large Binocular Telescope Interferometer (LBTI) will detect thermal emission from habitable zone exo-zodi a few times brighter than solar system levels. Here we present a modeling framework for interpreting LBTI observations, which yields dust levels from detections and upper limits that are then converted into predictions and upper limits for the scattered light surface brightness. We apply this model to the HOSTS survey sample of nearby stars; assuming a null depth uncertainty of 10-4 the LBTI will be sensitive to dust a few times above the solar system level around Sun-like stars, and to even lower dust levels for more massive stars.

KW - circumstellar matter

KW - instrumentation: interferometers

KW - zodiacal dust

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EXO-zodi modeling for the large binocular telescope interferometer

Abstract

Keywords

ASJC Scopus subject areas

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