SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160

E. Victor Garcia; Thayne Currie; Olivier Guyon; Keivan G. Stassun; Nemanja Jovanovic; Julien Lozi; Tomoyuki Kudo; Danielle Doughty; Josh Schlieder; J. Kwon; T. Uyama; M. Kuzuhara; J. C. Carson; T. Nakagawa; J. Hashimoto; N. Kusakabe; L. Abe; W. Brandner; T. D. Brandt; M. Feldt; M. Goto; C. A. Grady; Y. Hayano; M. Hayashi; S. S. Hayashi; T. Henning; K. W. Hodapp; M. Ishii; M. Iye; M. Janson; R. Kandori; G. R. Knapp; T. Matsuo; M. W. McElwain; S. Miyama; J. I. Morino; A. Moro-Martin; T. Nishimura; T. S. Pyo; E. Serabyn; T. Suenaga; H. Suto; R. Suzuki; Y. H. Takahashi; H. Takami; M. Takami; N. Takato; H. Terada; C. Thalmann; E. L. Turner; M. Watanabe; J. Wisniewski; T. Yamada; T. Usuda; M. Tamura

doi:10.3847/1538-4357/834/2/162

SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160

E. Victor Garcia, Thayne Currie, Olivier Guyon, Keivan G. Stassun, Nemanja Jovanovic, Julien Lozi, Tomoyuki Kudo, Danielle Doughty, Josh Schlieder, J. Kwon, T. Uyama, M. Kuzuhara, J. C. Carson, T. Nakagawa, J. Hashimoto, N. Kusakabe, L. Abe, W. Brandner, T. D. Brandt, M. FeldtM. Goto, C. A. Grady, Y. Hayano, M. Hayashi, S. S. Hayashi, T. Henning, K. W. Hodapp, M. Ishii, M. Iye, M. Janson, R. Kandori, G. R. Knapp, T. Matsuo, M. W. McElwain, S. Miyama, J. I. Morino, A. Moro-Martin, T. Nishimura, T. S. Pyo, E. Serabyn, T. Suenaga, H. Suto, R. Suzuki, Y. H. Takahashi, H. Takami, M. Takami, N. Takato, H. Terada, C. Thalmann, E. L. Turner, M. Watanabe, J. Wisniewski, T. Yamada, T. Usuda, M. Tamura

Optical Sciences

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Abstract

We present high signal-to-noise ratio, precise Y JH photometry and Y band (0.957-1.120 μm) spectroscopy of HD 1160 B, a young substellar companion discovered from the Gemini NICI Planet Finding Campaign using the Subaru Coronagraphic Extreme Adaptive Optics instrument and the Gemini Planet Imager. HD 1160 B has typical mid-M dwarf-like infrared colors and a spectral type of M5.5^+1.0 _-0.5, where the blue edge of our Y band spectrum rules out earlier spectral types. Atmospheric modeling suggests HD 1160 B has an effective temperature of 3000-3100 K, a surface gravity of log g = 4-4.5, a radius of 1.55 ± 0.10 R_J, and a luminosity of log L/L_⊙ = -2.76 ± 0.05. Neither the primary's Hertzspring-Russell diagram position nor atmospheric modeling of HD 1160 B show evidence for a subsolar metallicity. Interpretation of the HD 1160 B spectroscopy depends on which stellar system components are used to estimate the age. Considering HD 1160 A, B and C jointly, we derive an age of 80-125 Myr, implying that HD 1160 B straddles the hydrogen-burning limit (70-90 M_J). If we consider HD 1160 A alone, younger ages (20-125 Myr) and a brown dwarf-like mass (35-90 M_J) are possible. Interferometric measurements of the primary, a precise Gaia parallax, and moderate-resolution spectroscopy can better constrain the system's age and how HD 1160 B fits within the context of (sub)stellar evolution.

Original language	English (US)
Article number	162
Journal	Astrophysical Journal
Volume	834
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/834/2/162
State	Published - Jan 10 2017

Keywords

instrumentation: adaptive optics
planetary systems
stars: low-mass
techniques: imaging spectroscopy

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.3847/1538-4357/834/2/162

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Garcia, E. V., Currie, T., Guyon, O., Stassun, K. G., Jovanovic, N., Lozi, J., Kudo, T., Doughty, D., Schlieder, J., Kwon, J., Uyama, T., Kuzuhara, M., Carson, J. C., Nakagawa, T., Hashimoto, J., Kusakabe, N., Abe, L., Brandner, W., Brandt, T. D., ... Tamura, M. (2017). SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160. Astrophysical Journal, 834(2), Article 162. https://doi.org/10.3847/1538-4357/834/2/162

Garcia, EV, Currie, T, Guyon, O, Stassun, KG, Jovanovic, N, Lozi, J, Kudo, T, Doughty, D, Schlieder, J, Kwon, J, Uyama, T, Kuzuhara, M, Carson, JC, Nakagawa, T, Hashimoto, J, Kusakabe, N, Abe, L, Brandner, W, Brandt, TD, Feldt, M, Goto, M, Grady, CA, Hayano, Y, Hayashi, M, Hayashi, SS, Henning, T, Hodapp, KW, Ishii, M, Iye, M, Janson, M, Kandori, R, Knapp, GR, Matsuo, T, McElwain, MW, Miyama, S, Morino, JI, Moro-Martin, A, Nishimura, T, Pyo, TS, Serabyn, E, Suenaga, T, Suto, H, Suzuki, R, Takahashi, YH, Takami, H, Takami, M, Takato, N, Terada, H, Thalmann, C, Turner, EL, Watanabe, M, Wisniewski, J, Yamada, T, Usuda, T & Tamura, M 2017, 'SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160', Astrophysical Journal, vol. 834, no. 2, 162. https://doi.org/10.3847/1538-4357/834/2/162

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title = "SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160",

abstract = "We present high signal-to-noise ratio, precise Y JH photometry and Y band (0.957-1.120 μm) spectroscopy of HD 1160 B, a young substellar companion discovered from the Gemini NICI Planet Finding Campaign using the Subaru Coronagraphic Extreme Adaptive Optics instrument and the Gemini Planet Imager. HD 1160 B has typical mid-M dwarf-like infrared colors and a spectral type of M5.5+1.0 -0.5, where the blue edge of our Y band spectrum rules out earlier spectral types. Atmospheric modeling suggests HD 1160 B has an effective temperature of 3000-3100 K, a surface gravity of log g = 4-4.5, a radius of 1.55 ± 0.10 RJ, and a luminosity of log L/L⊙ = -2.76 ± 0.05. Neither the primary's Hertzspring-Russell diagram position nor atmospheric modeling of HD 1160 B show evidence for a subsolar metallicity. Interpretation of the HD 1160 B spectroscopy depends on which stellar system components are used to estimate the age. Considering HD 1160 A, B and C jointly, we derive an age of 80-125 Myr, implying that HD 1160 B straddles the hydrogen-burning limit (70-90 MJ). If we consider HD 1160 A alone, younger ages (20-125 Myr) and a brown dwarf-like mass (35-90 MJ) are possible. Interferometric measurements of the primary, a precise Gaia parallax, and moderate-resolution spectroscopy can better constrain the system's age and how HD 1160 B fits within the context of (sub)stellar evolution.",

keywords = "instrumentation: adaptive optics, planetary systems, stars: low-mass, techniques: imaging spectroscopy",

author = "Garcia, {E. Victor} and Thayne Currie and Olivier Guyon and Stassun, {Keivan G.} and Nemanja Jovanovic and Julien Lozi and Tomoyuki Kudo and Danielle Doughty and Josh Schlieder and J. Kwon and T. Uyama and M. Kuzuhara and Carson, {J. C.} and T. Nakagawa and J. Hashimoto and N. Kusakabe and L. Abe and W. Brandner and Brandt, {T. D.} and M. Feldt and M. Goto and Grady, {C. A.} and Y. Hayano and M. Hayashi and Hayashi, {S. S.} and T. Henning and Hodapp, {K. W.} and M. Ishii and M. Iye and M. Janson and R. Kandori and Knapp, {G. R.} and T. Matsuo and McElwain, {M. W.} and S. Miyama and Morino, {J. I.} and A. Moro-Martin and T. Nishimura and Pyo, {T. S.} and E. Serabyn and T. Suenaga and H. Suto and R. Suzuki and Takahashi, {Y. H.} and H. Takami and M. Takami and N. Takato and H. Terada and C. Thalmann and Turner, {E. L.} and M. Watanabe and J. Wisniewski and T. Yamada and T. Usuda and M. Tamura",

year = "2017",

month = jan,

day = "10",

doi = "10.3847/1538-4357/834/2/162",

language = "English (US)",

volume = "834",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing Ltd.",

number = "2",

}

TY - JOUR

T1 - SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160

AU - Garcia, E. Victor

AU - Currie, Thayne

AU - Guyon, Olivier

AU - Stassun, Keivan G.

AU - Jovanovic, Nemanja

AU - Lozi, Julien

AU - Kudo, Tomoyuki

AU - Doughty, Danielle

AU - Schlieder, Josh

AU - Kwon, J.

AU - Uyama, T.

AU - Kuzuhara, M.

AU - Carson, J. C.

AU - Nakagawa, T.

AU - Hashimoto, J.

AU - Kusakabe, N.

AU - Abe, L.

AU - Brandner, W.

AU - Brandt, T. D.

AU - Feldt, M.

AU - Goto, M.

AU - Grady, C. A.

AU - Hayano, Y.

AU - Hayashi, M.

AU - Hayashi, S. S.

AU - Henning, T.

AU - Hodapp, K. W.

AU - Ishii, M.

AU - Iye, M.

AU - Janson, M.

AU - Kandori, R.

AU - Knapp, G. R.

AU - Matsuo, T.

AU - McElwain, M. W.

AU - Miyama, S.

AU - Morino, J. I.

AU - Moro-Martin, A.

AU - Nishimura, T.

AU - Pyo, T. S.

AU - Serabyn, E.

AU - Suenaga, T.

AU - Suto, H.

AU - Suzuki, R.

AU - Takahashi, Y. H.

AU - Takami, H.

AU - Takami, M.

AU - Takato, N.

AU - Terada, H.

AU - Thalmann, C.

AU - Turner, E. L.

AU - Watanabe, M.

AU - Wisniewski, J.

AU - Yamada, T.

AU - Usuda, T.

AU - Tamura, M.

PY - 2017/1/10

Y1 - 2017/1/10

N2 - We present high signal-to-noise ratio, precise Y JH photometry and Y band (0.957-1.120 μm) spectroscopy of HD 1160 B, a young substellar companion discovered from the Gemini NICI Planet Finding Campaign using the Subaru Coronagraphic Extreme Adaptive Optics instrument and the Gemini Planet Imager. HD 1160 B has typical mid-M dwarf-like infrared colors and a spectral type of M5.5+1.0 -0.5, where the blue edge of our Y band spectrum rules out earlier spectral types. Atmospheric modeling suggests HD 1160 B has an effective temperature of 3000-3100 K, a surface gravity of log g = 4-4.5, a radius of 1.55 ± 0.10 RJ, and a luminosity of log L/L⊙ = -2.76 ± 0.05. Neither the primary's Hertzspring-Russell diagram position nor atmospheric modeling of HD 1160 B show evidence for a subsolar metallicity. Interpretation of the HD 1160 B spectroscopy depends on which stellar system components are used to estimate the age. Considering HD 1160 A, B and C jointly, we derive an age of 80-125 Myr, implying that HD 1160 B straddles the hydrogen-burning limit (70-90 MJ). If we consider HD 1160 A alone, younger ages (20-125 Myr) and a brown dwarf-like mass (35-90 MJ) are possible. Interferometric measurements of the primary, a precise Gaia parallax, and moderate-resolution spectroscopy can better constrain the system's age and how HD 1160 B fits within the context of (sub)stellar evolution.

AB - We present high signal-to-noise ratio, precise Y JH photometry and Y band (0.957-1.120 μm) spectroscopy of HD 1160 B, a young substellar companion discovered from the Gemini NICI Planet Finding Campaign using the Subaru Coronagraphic Extreme Adaptive Optics instrument and the Gemini Planet Imager. HD 1160 B has typical mid-M dwarf-like infrared colors and a spectral type of M5.5+1.0 -0.5, where the blue edge of our Y band spectrum rules out earlier spectral types. Atmospheric modeling suggests HD 1160 B has an effective temperature of 3000-3100 K, a surface gravity of log g = 4-4.5, a radius of 1.55 ± 0.10 RJ, and a luminosity of log L/L⊙ = -2.76 ± 0.05. Neither the primary's Hertzspring-Russell diagram position nor atmospheric modeling of HD 1160 B show evidence for a subsolar metallicity. Interpretation of the HD 1160 B spectroscopy depends on which stellar system components are used to estimate the age. Considering HD 1160 A, B and C jointly, we derive an age of 80-125 Myr, implying that HD 1160 B straddles the hydrogen-burning limit (70-90 MJ). If we consider HD 1160 A alone, younger ages (20-125 Myr) and a brown dwarf-like mass (35-90 MJ) are possible. Interferometric measurements of the primary, a precise Gaia parallax, and moderate-resolution spectroscopy can better constrain the system's age and how HD 1160 B fits within the context of (sub)stellar evolution.

KW - instrumentation: adaptive optics

KW - planetary systems

KW - stars: low-mass

KW - techniques: imaging spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=85010070509&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85010070509&partnerID=8YFLogxK

U2 - 10.3847/1538-4357/834/2/162

DO - 10.3847/1538-4357/834/2/162

M3 - Article

AN - SCOPUS:85010070509

SN - 0004-637X

VL - 834

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 162

ER -

SCExAO and GPI y JH BAND PHOTOMETRY and INTEGRAL FIELD SPECTROSCOPY of the YOUNG BROWN DWARF COMPANION to HD 1160

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