Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry

Juan Sebastián Bruzzone; Stanimir Metchev; Gaspard Duchene; Maxwell A. Millar-Blanchaer; Ruobing Dong; Thomas M. Esposito; Jason J. Wang; James R. Graham; Johan Mazoyer; Schuyler Wolff; S. Mark Ammons; Adam C. Schneider; Alexandra Z. Greenbaum; Brenda C. Matthews; Pauline Arriaga; Vanessa P. Bailey; Travis Barman; Joanna Bulger; Jeffrey Chilcote; Tara Cotten; Robert J. De Rosa; Rene Doyon; Michael P. Fitzgerald; Katherine B. Follette; Benjamin L. Gerard; Stephen J. Goodsell; Pascale Hibon; Justin Hom; Li Wei Hung; Patrick Ingraham; Paul Kalas; Quinn Konopacky; James E. Larkin; Bruce MacIntosh; Jérôme Maire; Franck Marchis; Christian Marois; Katie M. Morzinski; Eric L. Nielsen; Rebecca Oppenheimer; David Palmer; Rahul Patel; Jennifer Patience; Marshall Perrin; Lisa Poyneer; Laurent Pueyo; Abhijith Rajan; Julien Rameau; Fredrik T. Rantakyrö; Dmitry Savransky; Anand Sivaramakrishnan; Inseok Song; Remi Soummer; Sandrine Thomas; J. Kent Wallace; Kimberly Ward-Duong; Sloane Wiktorowicz

doi:10.3847/1538-3881/ab5d2e

Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry

Juan Sebastián Bruzzone, Stanimir Metchev, Gaspard Duchene, Maxwell A. Millar-Blanchaer, Ruobing Dong, Thomas M. Esposito, Jason J. Wang, James R. Graham, Johan Mazoyer, Schuyler Wolff, S. Mark Ammons, Adam C. Schneider, Alexandra Z. Greenbaum, Brenda C. Matthews, Pauline Arriaga, Vanessa P. Bailey, Travis Barman, Joanna Bulger, Jeffrey Chilcote, Tara CottenRobert J. De Rosa, Rene Doyon, Michael P. Fitzgerald, Katherine B. Follette, Benjamin L. Gerard, Stephen J. Goodsell, Pascale Hibon, Justin Hom, Li Wei Hung, Patrick Ingraham, Paul Kalas, Quinn Konopacky, James E. Larkin, Bruce MacIntosh, Jérôme Maire, Franck Marchis, Christian Marois, Katie M. Morzinski, Eric L. Nielsen, Rebecca Oppenheimer, David Palmer, Rahul Patel, Jennifer Patience, Marshall Perrin, Lisa Poyneer, Laurent Pueyo, Abhijith Rajan, Julien Rameau, Fredrik T. Rantakyrö, Dmitry Savransky, Anand Sivaramakrishnan, Inseok Song, Remi Soummer, Sandrine Thomas, J. Kent Wallace, Kimberly Ward-Duong, Sloane Wiktorowicz

Earth and Space Exploration, School of (SESE)

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

4 Scopus citations

Abstract

We present the first polarimetric detection of the inner disk component around the pre-main-sequence B9.5 star HD 141569A. Gemini Planet Imager H-band (1.65 μm) polarimetric differential imaging reveals the highest signal-to-noise ratio detection of this ring yet attained and traces structure inward to 0.″25 (28 au at a distance of 111 pc). The radial polarized intensity image shows the east side of the disk, peaking in intensity at 0.″40 (44 au) and extending out to 0.″9 (100 au). There is a spiral arm-like enhancement to the south, reminiscent of the known spiral structures on the outer rings of the disk. The location of the spiral arm is coincident with ¹²CO J = 3-2 emission detected by ALMA and hints at a dynamically active inner circumstellar region. Our observations also show a portion of the middle dusty ring at ∼220 au known from previous observations of this system. We fit the polarized H-band emission with a continuum radiative transfer Mie model. Our best-fit model favors an optically thin disk with a minimum dust grain size close to the blowout size for this system, evidence of ongoing dust production in the inner reaches of the disk. The thermal emission from this model accounts for virtually all of the far-infrared and millimeter flux from the entire HD 141569A disk, in agreement with the lack of ALMA continuum and CO emission beyond ∼100 au. A remaining 8-30 μm thermal excess a factor of ∼2 above our model argues for an as-yet-unresolved warm innermost 5-15 au component of the disk.

Original language	English (US)
Article number	ab5d2e
Journal	Astronomical Journal
Volume	159
Issue number	2
DOIs	https://doi.org/10.3847/1538-3881/ab5d2e
State	Published - Feb 2020

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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Bruzzone, J. S., Metchev, S., Duchene, G., Millar-Blanchaer, M. A., Dong, R., Esposito, T. M., Wang, J. J., Graham, J. R., Mazoyer, J., Wolff, S., Ammons, S. M., Schneider, A. C., Greenbaum, A. Z., Matthews, B. C., Arriaga, P., Bailey, V. P., Barman, T., Bulger, J., Chilcote, J., ... Wiktorowicz, S. (2020). Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry. Astronomical Journal, 159(2), Article ab5d2e. https://doi.org/10.3847/1538-3881/ab5d2e

Bruzzone, JS, Metchev, S, Duchene, G, Millar-Blanchaer, MA, Dong, R, Esposito, TM, Wang, JJ, Graham, JR, Mazoyer, J, Wolff, S, Ammons, SM, Schneider, AC, Greenbaum, AZ, Matthews, BC, Arriaga, P, Bailey, VP, Barman, T, Bulger, J, Chilcote, J, Cotten, T, De Rosa, RJ, Doyon, R, Fitzgerald, MP, Follette, KB, Gerard, BL, Goodsell, SJ, Hibon, P, Hom, J, Hung, LW, Ingraham, P, Kalas, P, Konopacky, Q, Larkin, JE, MacIntosh, B, Maire, J, Marchis, F, Marois, C, Morzinski, KM, Nielsen, EL, Oppenheimer, R, Palmer, D, Patel, R, Patience, J, Perrin, M, Poyneer, L, Pueyo, L, Rajan, A, Rameau, J, Rantakyrö, FT, Savransky, D, Sivaramakrishnan, A, Song, I, Soummer, R, Thomas, S, Wallace, JK, Ward-Duong, K & Wiktorowicz, S 2020, 'Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry', Astronomical Journal, vol. 159, no. 2, ab5d2e. https://doi.org/10.3847/1538-3881/ab5d2e

@article{70e6aa0443bd4352a90a28696c496617,

title = "Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry",

abstract = "We present the first polarimetric detection of the inner disk component around the pre-main-sequence B9.5 star HD 141569A. Gemini Planet Imager H-band (1.65 μm) polarimetric differential imaging reveals the highest signal-to-noise ratio detection of this ring yet attained and traces structure inward to 0.″25 (28 au at a distance of 111 pc). The radial polarized intensity image shows the east side of the disk, peaking in intensity at 0.″40 (44 au) and extending out to 0.″9 (100 au). There is a spiral arm-like enhancement to the south, reminiscent of the known spiral structures on the outer rings of the disk. The location of the spiral arm is coincident with 12CO J = 3-2 emission detected by ALMA and hints at a dynamically active inner circumstellar region. Our observations also show a portion of the middle dusty ring at ∼220 au known from previous observations of this system. We fit the polarized H-band emission with a continuum radiative transfer Mie model. Our best-fit model favors an optically thin disk with a minimum dust grain size close to the blowout size for this system, evidence of ongoing dust production in the inner reaches of the disk. The thermal emission from this model accounts for virtually all of the far-infrared and millimeter flux from the entire HD 141569A disk, in agreement with the lack of ALMA continuum and CO emission beyond ∼100 au. A remaining 8-30 μm thermal excess a factor of ∼2 above our model argues for an as-yet-unresolved warm innermost 5-15 au component of the disk.",

author = "Bruzzone, {Juan Sebasti{\'a}n} and Stanimir Metchev and Gaspard Duchene and Millar-Blanchaer, {Maxwell A.} and Ruobing Dong and Esposito, {Thomas M.} and Wang, {Jason J.} and Graham, {James R.} and Johan Mazoyer and Schuyler Wolff and Ammons, {S. Mark} and Schneider, {Adam C.} and Greenbaum, {Alexandra Z.} and Matthews, {Brenda C.} and Pauline Arriaga and Bailey, {Vanessa P.} and Travis Barman and Joanna Bulger and Jeffrey Chilcote and Tara Cotten and {De Rosa}, {Robert J.} and Rene Doyon and Fitzgerald, {Michael P.} and Follette, {Katherine B.} and Gerard, {Benjamin L.} and Goodsell, {Stephen J.} and Pascale Hibon and Justin Hom and Hung, {Li Wei} and Patrick Ingraham and Paul Kalas and Quinn Konopacky and Larkin, {James E.} and Bruce MacIntosh and J{\'e}r{\^o}me Maire and Franck Marchis and Christian Marois and Morzinski, {Katie M.} and Nielsen, {Eric L.} and Rebecca Oppenheimer and David Palmer and Rahul Patel and Jennifer Patience and Marshall Perrin and Lisa Poyneer and Laurent Pueyo and Abhijith Rajan and Julien Rameau and Rantakyr{\"o}, {Fredrik T.} and Dmitry Savransky and Anand Sivaramakrishnan and Inseok Song and Remi Soummer and Sandrine Thomas and Wallace, {J. Kent} and Kimberly Ward-Duong and Sloane Wiktorowicz",

year = "2020",

month = feb,

doi = "10.3847/1538-3881/ab5d2e",

language = "English (US)",

volume = "159",

journal = "Astronomical Journal",

issn = "0004-6256",

publisher = "IOP Publishing Ltd.",

number = "2",

}

TY - JOUR

T1 - Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry

AU - Bruzzone, Juan Sebastián

AU - Metchev, Stanimir

AU - Duchene, Gaspard

AU - Millar-Blanchaer, Maxwell A.

AU - Dong, Ruobing

AU - Esposito, Thomas M.

AU - Wang, Jason J.

AU - Graham, James R.

AU - Mazoyer, Johan

AU - Wolff, Schuyler

AU - Ammons, S. Mark

AU - Schneider, Adam C.

AU - Greenbaum, Alexandra Z.

AU - Matthews, Brenda C.

AU - Arriaga, Pauline

AU - Bailey, Vanessa P.

AU - Barman, Travis

AU - Bulger, Joanna

AU - Chilcote, Jeffrey

AU - Cotten, Tara

AU - De Rosa, Robert J.

AU - Doyon, Rene

AU - Fitzgerald, Michael P.

AU - Follette, Katherine B.

AU - Gerard, Benjamin L.

AU - Goodsell, Stephen J.

AU - Hibon, Pascale

AU - Hom, Justin

AU - Hung, Li Wei

AU - Ingraham, Patrick

AU - Kalas, Paul

AU - Konopacky, Quinn

AU - Larkin, James E.

AU - MacIntosh, Bruce

AU - Maire, Jérôme

AU - Marchis, Franck

AU - Marois, Christian

AU - Morzinski, Katie M.

AU - Nielsen, Eric L.

AU - Oppenheimer, Rebecca

AU - Palmer, David

AU - Patel, Rahul

AU - Patience, Jennifer

AU - Perrin, Marshall

AU - Poyneer, Lisa

AU - Pueyo, Laurent

AU - Rajan, Abhijith

AU - Rameau, Julien

AU - Rantakyrö, Fredrik T.

AU - Savransky, Dmitry

AU - Sivaramakrishnan, Anand

AU - Song, Inseok

AU - Soummer, Remi

AU - Thomas, Sandrine

AU - Wallace, J. Kent

AU - Ward-Duong, Kimberly

AU - Wiktorowicz, Sloane

PY - 2020/2

Y1 - 2020/2

N2 - We present the first polarimetric detection of the inner disk component around the pre-main-sequence B9.5 star HD 141569A. Gemini Planet Imager H-band (1.65 μm) polarimetric differential imaging reveals the highest signal-to-noise ratio detection of this ring yet attained and traces structure inward to 0.″25 (28 au at a distance of 111 pc). The radial polarized intensity image shows the east side of the disk, peaking in intensity at 0.″40 (44 au) and extending out to 0.″9 (100 au). There is a spiral arm-like enhancement to the south, reminiscent of the known spiral structures on the outer rings of the disk. The location of the spiral arm is coincident with 12CO J = 3-2 emission detected by ALMA and hints at a dynamically active inner circumstellar region. Our observations also show a portion of the middle dusty ring at ∼220 au known from previous observations of this system. We fit the polarized H-band emission with a continuum radiative transfer Mie model. Our best-fit model favors an optically thin disk with a minimum dust grain size close to the blowout size for this system, evidence of ongoing dust production in the inner reaches of the disk. The thermal emission from this model accounts for virtually all of the far-infrared and millimeter flux from the entire HD 141569A disk, in agreement with the lack of ALMA continuum and CO emission beyond ∼100 au. A remaining 8-30 μm thermal excess a factor of ∼2 above our model argues for an as-yet-unresolved warm innermost 5-15 au component of the disk.

AB - We present the first polarimetric detection of the inner disk component around the pre-main-sequence B9.5 star HD 141569A. Gemini Planet Imager H-band (1.65 μm) polarimetric differential imaging reveals the highest signal-to-noise ratio detection of this ring yet attained and traces structure inward to 0.″25 (28 au at a distance of 111 pc). The radial polarized intensity image shows the east side of the disk, peaking in intensity at 0.″40 (44 au) and extending out to 0.″9 (100 au). There is a spiral arm-like enhancement to the south, reminiscent of the known spiral structures on the outer rings of the disk. The location of the spiral arm is coincident with 12CO J = 3-2 emission detected by ALMA and hints at a dynamically active inner circumstellar region. Our observations also show a portion of the middle dusty ring at ∼220 au known from previous observations of this system. We fit the polarized H-band emission with a continuum radiative transfer Mie model. Our best-fit model favors an optically thin disk with a minimum dust grain size close to the blowout size for this system, evidence of ongoing dust production in the inner reaches of the disk. The thermal emission from this model accounts for virtually all of the far-infrared and millimeter flux from the entire HD 141569A disk, in agreement with the lack of ALMA continuum and CO emission beyond ∼100 au. A remaining 8-30 μm thermal excess a factor of ∼2 above our model argues for an as-yet-unresolved warm innermost 5-15 au component of the disk.

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DO - 10.3847/1538-3881/ab5d2e

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JO - Astronomical Journal

JF - Astronomical Journal

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M1 - ab5d2e

ER -

Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry

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