Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager

B. Macintosh; J. R. Graham; T. Barman; R. J. De Rosa; Q. Konopacky; M. S. Marley; C. Marois; E. L. Nielsen; L. Pueyo; A. Rajan; J. Rameau; D. Saumon; J. J. Wang; J. Patience; M. Ammons; P. Arriaga; E. Artigau; S. Beckwith; J. Brewster; S. Bruzzone; J. Bulger; B. Burningham; A. S. Burrows; C. Chen; E. Chiang; J. K. Chilcote; R. I. Dawson; R. Dong; R. Doyon; Z. H. Draper; G. Duchêne; T. M. Esposito; D. Fabrycky; M. P. Fitzgerald; K. B. Follette; J. J. Fortney; B. Gerard; S. Goodsell; A. Z. Greenbaum; P. Hibon; S. Hinkley; T. H. Cotten; L. -W. Hung; P. Ingraham; M. Johnson-Groh; P. Kalas; D. Lafreniere; J. E. Larkin; J. Lee; M. Line; D. Long; J. Maire; F. Marchis; B. C. Matthews; C. E. Max; S. Metchev; M. A. Millar-Blanchaer; T. Mittal; C. V. Morley; K. M. Morzinski; R. Murray-Clay; R. Oppenheimer; D. W. Palmer; R. Patel; M. D. Perrin; L. A. Poyneer; R. R. Rafikov; F. T. Rantakyrö; E. L. Rice; P. Rojo; A. R. Rudy; J. -B. Ruffio; M. T. Ruiz; N. Sadakuni; L. Saddlemyer; M. Salama; D. Savransky; A. C. Schneider; A. Sivaramakrishnan; I. Song; R. Soummer; S. Thomas; G. Vasisht; J. K. Wallace; K. Ward-Duong; S. J. Wiktorowicz; S. G. Wolff; B. Zuckerman

doi:10.1126/science.aac5891

Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager

B. Macintosh, J. R. Graham, T. Barman, R. J. De Rosa, Q. Konopacky, M. S. Marley, C. Marois, E. L. Nielsen, L. Pueyo, A. Rajan, J. Rameau, D. Saumon, J. J. Wang, J. Patience, M. Ammons, P. Arriaga, E. Artigau, S. Beckwith, J. Brewster, S. BruzzoneJ. Bulger, B. Burningham, A. S. Burrows, C. Chen, E. Chiang, J. K. Chilcote, R. I. Dawson, R. Dong, R. Doyon, Z. H. Draper, G. Duchêne, T. M. Esposito, D. Fabrycky, M. P. Fitzgerald, K. B. Follette, J. J. Fortney, B. Gerard, S. Goodsell, A. Z. Greenbaum, P. Hibon, S. Hinkley, T. H. Cotten, L. -W. Hung, P. Ingraham, M. Johnson-Groh, P. Kalas, D. Lafreniere, J. E. Larkin, J. Lee, M. Line, D. Long, J. Maire, F. Marchis, B. C. Matthews, C. E. Max, S. Metchev, M. A. Millar-Blanchaer, T. Mittal, C. V. Morley, K. M. Morzinski, R. Murray-Clay, R. Oppenheimer, D. W. Palmer, R. Patel, M. D. Perrin, L. A. Poyneer, R. R. Rafikov, F. T. Rantakyrö, E. L. Rice, P. Rojo, A. R. Rudy, J. -B. Ruffio, M. T. Ruiz, N. Sadakuni, L. Saddlemyer, M. Salama, D. Savransky, A. C. Schneider, A. Sivaramakrishnan, I. Song, R. Soummer, S. Thomas, G. Vasisht, J. K. Wallace, K. Ward-Duong, S. J. Wiktorowicz, S. G. Wolff, B. Zuckerman

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Abstract

Directly detecting thermal emission from young extrasolar planets allows measurement of their atmospheric composition and luminosity, which is influenced by their formation mechanism. Using the Gemini Planet Imager, we discovered a planet orbiting the \$sim$20 Myr-old star 51 Eridani at a projected separation of 13 astronomical units. Near-infrared observations show a spectrum with strong methane and water vapor absorption. Modeling of the spectra and photometry yields a luminosity of L/LS=1.6-4.0 x 10-6 and an effective temperature of 600-750 K. For this age and luminosity, "hot-start" formation models indicate a mass twice that of Jupiter. This planet also has a sufficiently low luminosity to be consistent with the "cold- start" core accretion process that may have formed Jupiter.

Original language	English
Pages (from-to)	64-67
Journal	Science
Volume	350
Issue number	6256
Early online date	17 Aug 2015
DOIs	https://doi.org/10.1126/science.aac5891
Publication status	Published - 2 Oct 2015

Keywords

astro-ph.EP

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10.1126/science.aac5891

Accepted ManuscriptAccepted author manuscript, 4.76 MB

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Macintosh, B., Graham, J. R., Barman, T., Rosa, R. J. D., Konopacky, Q., Marley, M. S., Marois, C., Nielsen, E. L., Pueyo, L., Rajan, A., Rameau, J., Saumon, D., Wang, J. J., Patience, J., Ammons, M., Arriaga, P., Artigau, E., Beckwith, S., Brewster, J., ... Zuckerman, B. (2015). Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager. Science, 350(6256), 64-67. https://doi.org/10.1126/science.aac5891

@article{95b0a77fc5d14a7983cc63f8fdf4ff5f,

title = "Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager",

abstract = "Directly detecting thermal emission from young extrasolar planets allows measurement of their atmospheric composition and luminosity, which is influenced by their formation mechanism. Using the Gemini Planet Imager, we discovered a planet orbiting the \$sim$20 Myr-old star 51 Eridani at a projected separation of 13 astronomical units. Near-infrared observations show a spectrum with strong methane and water vapor absorption. Modeling of the spectra and photometry yields a luminosity of L/LS=1.6-4.0 x 10-6 and an effective temperature of 600-750 K. For this age and luminosity, {"}hot-start{"} formation models indicate a mass twice that of Jupiter. This planet also has a sufficiently low luminosity to be consistent with the {"}cold- start{"} core accretion process that may have formed Jupiter.",

keywords = "astro-ph.EP",

author = "B. Macintosh and Graham, {J. R.} and T. Barman and Rosa, {R. J. De} and Q. Konopacky and Marley, {M. S.} and C. Marois and Nielsen, {E. L.} and L. Pueyo and A. Rajan and J. Rameau and D. Saumon and Wang, {J. J.} and J. Patience and M. Ammons and P. Arriaga and E. Artigau and S. Beckwith and J. Brewster and S. Bruzzone and J. Bulger and B. Burningham and Burrows, {A. S.} and C. Chen and E. Chiang and Chilcote, {J. K.} and Dawson, {R. I.} and R. Dong and R. Doyon and Draper, {Z. H.} and G. Duch{\^e}ne and Esposito, {T. M.} and D. Fabrycky and Fitzgerald, {M. P.} and Follette, {K. B.} and Fortney, {J. J.} and B. Gerard and S. Goodsell and Greenbaum, {A. Z.} and P. Hibon and S. Hinkley and Cotten, {T. H.} and Hung, {L. -W.} and P. Ingraham and M. Johnson-Groh and P. Kalas and D. Lafreniere and Larkin, {J. E.} and J. Lee and M. Line and D. Long and J. Maire and F. Marchis and Matthews, {B. C.} and Max, {C. E.} and S. Metchev and Millar-Blanchaer, {M. A.} and T. Mittal and Morley, {C. V.} and Morzinski, {K. M.} and R. Murray-Clay and R. Oppenheimer and Palmer, {D. W.} and R. Patel and Perrin, {M. D.} and Poyneer, {L. A.} and Rafikov, {R. R.} and Rantakyr{\"o}, {F. T.} and Rice, {E. L.} and P. Rojo and Rudy, {A. R.} and Ruffio, {J. -B.} and Ruiz, {M. T.} and N. Sadakuni and L. Saddlemyer and M. Salama and D. Savransky and Schneider, {A. C.} and A. Sivaramakrishnan and I. Song and R. Soummer and S. Thomas and G. Vasisht and Wallace, {J. K.} and K. Ward-Duong and Wiktorowicz, {S. J.} and Wolff, {S. G.} and B. Zuckerman",

note = "This is the Accepted Manuscript of the following article: B. Macintosh, et al., “Discovery and spectroscopy of the young jovian planet 51 Eri b with the Gemini Planet Imager”, Science, Vol. 350(6256): 64-67, August 2015. The final published version is available at: http://science.sciencemag.org/content/350/6256/64 {\textcopyright} The Authors",

year = "2015",

month = oct,

day = "2",

doi = "10.1126/science.aac5891",

language = "English",

volume = "350",

pages = "64--67",

journal = "Science",

issn = "1095-9203",

publisher = "Springer Nature Link",

number = "6256",

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Macintosh, B, Graham, JR, Barman, T, Rosa, RJD, Konopacky, Q, Marley, MS, Marois, C, Nielsen, EL, Pueyo, L, Rajan, A, Rameau, J, Saumon, D, Wang, JJ, Patience, J, Ammons, M, Arriaga, P, Artigau, E, Beckwith, S, Brewster, J, Bruzzone, S, Bulger, J, Burningham, B, Burrows, AS, Chen, C, Chiang, E, Chilcote, JK, Dawson, RI, Dong, R, Doyon, R, Draper, ZH, Duchêne, G, Esposito, TM, Fabrycky, D, Fitzgerald, MP, Follette, KB, Fortney, JJ, Gerard, B, Goodsell, S, Greenbaum, AZ, Hibon, P, Hinkley, S, Cotten, TH, Hung, L-W, Ingraham, P, Johnson-Groh, M, Kalas, P, Lafreniere, D, Larkin, JE, Lee, J, Line, M, Long, D, Maire, J, Marchis, F, Matthews, BC, Max, CE, Metchev, S, Millar-Blanchaer, MA, Mittal, T, Morley, CV, Morzinski, KM, Murray-Clay, R, Oppenheimer, R, Palmer, DW, Patel, R, Perrin, MD, Poyneer, LA, Rafikov, RR, Rantakyrö, FT, Rice, EL, Rojo, P, Rudy, AR, Ruffio, J-B, Ruiz, MT, Sadakuni, N, Saddlemyer, L, Salama, M, Savransky, D, Schneider, AC, Sivaramakrishnan, A, Song, I, Soummer, R, Thomas, S, Vasisht, G, Wallace, JK, Ward-Duong, K, Wiktorowicz, SJ, Wolff, SG & Zuckerman, B 2015, 'Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager', Science, vol. 350, no. 6256, pp. 64-67. https://doi.org/10.1126/science.aac5891

TY - JOUR

T1 - Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager

AU - Macintosh, B.

AU - Graham, J. R.

AU - Barman, T.

AU - Rosa, R. J. De

AU - Konopacky, Q.

AU - Marley, M. S.

AU - Marois, C.

AU - Nielsen, E. L.

AU - Pueyo, L.

AU - Rajan, A.

AU - Rameau, J.

AU - Saumon, D.

AU - Wang, J. J.

AU - Patience, J.

AU - Ammons, M.

AU - Arriaga, P.

AU - Artigau, E.

AU - Beckwith, S.

AU - Brewster, J.

AU - Bruzzone, S.

AU - Bulger, J.

AU - Burningham, B.

AU - Burrows, A. S.

AU - Chen, C.

AU - Chiang, E.

AU - Chilcote, J. K.

AU - Dawson, R. I.

AU - Dong, R.

AU - Doyon, R.

AU - Draper, Z. H.

AU - Duchêne, G.

AU - Esposito, T. M.

AU - Fabrycky, D.

AU - Fitzgerald, M. P.

AU - Follette, K. B.

AU - Fortney, J. J.

AU - Gerard, B.

AU - Goodsell, S.

AU - Greenbaum, A. Z.

AU - Hibon, P.

AU - Hinkley, S.

AU - Cotten, T. H.

AU - Hung, L. -W.

AU - Ingraham, P.

AU - Johnson-Groh, M.

AU - Kalas, P.

AU - Lafreniere, D.

AU - Larkin, J. E.

AU - Lee, J.

AU - Line, M.

AU - Long, D.

AU - Maire, J.

AU - Marchis, F.

AU - Matthews, B. C.

AU - Max, C. E.

AU - Metchev, S.

AU - Millar-Blanchaer, M. A.

AU - Mittal, T.

AU - Morley, C. V.

AU - Morzinski, K. M.

AU - Murray-Clay, R.

AU - Oppenheimer, R.

AU - Palmer, D. W.

AU - Patel, R.

AU - Perrin, M. D.

AU - Poyneer, L. A.

AU - Rafikov, R. R.

AU - Rantakyrö, F. T.

AU - Rice, E. L.

AU - Rojo, P.

AU - Rudy, A. R.

AU - Ruffio, J. -B.

AU - Ruiz, M. T.

AU - Sadakuni, N.

AU - Saddlemyer, L.

AU - Salama, M.

AU - Savransky, D.

AU - Schneider, A. C.

AU - Sivaramakrishnan, A.

AU - Song, I.

AU - Soummer, R.

AU - Thomas, S.

AU - Vasisht, G.

AU - Wallace, J. K.

AU - Ward-Duong, K.

AU - Wiktorowicz, S. J.

AU - Wolff, S. G.

AU - Zuckerman, B.

N1 - This is the Accepted Manuscript of the following article: B. Macintosh, et al., “Discovery and spectroscopy of the young jovian planet 51 Eri b with the Gemini Planet Imager”, Science, Vol. 350(6256): 64-67, August 2015. The final published version is available at: http://science.sciencemag.org/content/350/6256/64 © The Authors

PY - 2015/10/2

Y1 - 2015/10/2

N2 - Directly detecting thermal emission from young extrasolar planets allows measurement of their atmospheric composition and luminosity, which is influenced by their formation mechanism. Using the Gemini Planet Imager, we discovered a planet orbiting the \$sim$20 Myr-old star 51 Eridani at a projected separation of 13 astronomical units. Near-infrared observations show a spectrum with strong methane and water vapor absorption. Modeling of the spectra and photometry yields a luminosity of L/LS=1.6-4.0 x 10-6 and an effective temperature of 600-750 K. For this age and luminosity, "hot-start" formation models indicate a mass twice that of Jupiter. This planet also has a sufficiently low luminosity to be consistent with the "cold- start" core accretion process that may have formed Jupiter.

AB - Directly detecting thermal emission from young extrasolar planets allows measurement of their atmospheric composition and luminosity, which is influenced by their formation mechanism. Using the Gemini Planet Imager, we discovered a planet orbiting the \$sim$20 Myr-old star 51 Eridani at a projected separation of 13 astronomical units. Near-infrared observations show a spectrum with strong methane and water vapor absorption. Modeling of the spectra and photometry yields a luminosity of L/LS=1.6-4.0 x 10-6 and an effective temperature of 600-750 K. For this age and luminosity, "hot-start" formation models indicate a mass twice that of Jupiter. This planet also has a sufficiently low luminosity to be consistent with the "cold- start" core accretion process that may have formed Jupiter.

KW - astro-ph.EP

U2 - 10.1126/science.aac5891

DO - 10.1126/science.aac5891

M3 - Article

SN - 1095-9203

SN - 1865-0937

VL - 350

SP - 64

EP - 67

JO - Science

JF - Science

IS - 6256

ER -

Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager

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