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The First H-band Spectrum of the Giant Planet β Pictoris b

Author(s): Chilcote, Jeffrey; Barman, Travis; Fitzgerald, Michael P.; Graham, James R; Larkin, James E; et al

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dc.contributor.authorChilcote, Jeffrey-
dc.contributor.authorBarman, Travis-
dc.contributor.authorFitzgerald, Michael P.-
dc.contributor.authorGraham, James R-
dc.contributor.authorLarkin, James E-
dc.contributor.authorMacintosh, Bruce-
dc.contributor.authorBauman, Brian-
dc.contributor.authorBurrows, Adam S.-
dc.contributor.authorCardwell, Andrew-
dc.contributor.authorDe Rosa, Robert J-
dc.contributor.authorDillon, Daren-
dc.contributor.authorDoyon, René-
dc.contributor.authorDunn, Jennifer-
dc.contributor.authorErikson, Darren-
dc.contributor.authorGavel, Donald-
dc.contributor.authorGoodsell, Stephen J-
dc.contributor.authorHartung, Markus-
dc.contributor.authorHibon, Pascale-
dc.contributor.authorIngraham, Patrick-
dc.contributor.authorKalas, Paul-
dc.contributor.authorKonopacky, Quinn-
dc.contributor.authorMaire, Jérôme-
dc.contributor.authorMarchis, Franck-
dc.contributor.authorMarley, Mark S-
dc.contributor.authorMarois, Christian-
dc.contributor.authorMillar-Blanchaer, Maxwell A.-
dc.contributor.authorMorzinski, Katie M.-
dc.contributor.authorNorton, Andrew-
dc.contributor.authorOppenheimer, Rebecca-
dc.contributor.authorPalmer, David-
dc.contributor.authorPatience, Jennifer-
dc.contributor.authorPerrin, Marshall-
dc.contributor.authorPoyneer, Lisa A.-
dc.contributor.authorPueyo, Laurent-
dc.contributor.authorRantakyrö, Fredrik T.-
dc.contributor.authorSadakuni, Naru-
dc.contributor.authorSaddlemyer, Leslie-
dc.contributor.authorSavransky, Dmitry-
dc.contributor.authorSerio, Andrew-
dc.contributor.authorSivaramakrishnan, Anand-
dc.contributor.authorSong, Inseok-
dc.contributor.authorSoummer, Rémi-
dc.contributor.authorThomas, Sandrine-
dc.contributor.authorWallace, J Kent-
dc.contributor.authorWiktorowicz, Sloane J.-
dc.contributor.authorWolff, Schuyler-
dc.identifier.citationChilcote, Jeffrey, Barman, Travis, Fitzgerald, Michael P, Graham, James R, Larkin, James E, Macintosh, Bruce, Bauman, Brian, Burrows, Adam S, Cardwell, Andrew, De Rosa, Robert J, Dillon, Daren, Doyon, René, Dunn, Jennifer, Erikson, Darren, Gavel, Donald, Goodsell, Stephen J, Hartung, Markus, Hibon, Pascale, Ingraham, Patrick, Kalas, Paul, Konopacky, Quinn, Maire, Jérôme, Marchis, Franck, Marley, Mark S, Marois, Christian, Millar-Blanchaer, Max, Morzinski, Katie, Norton, Andrew, Oppenheimer, Rebecca, Palmer, David, Patience, Jennifer, Perrin, Marshall, Poyneer, Lisa, Pueyo, Laurent, Rantakyrö, Fredrik T, Sadakuni, Naru, Saddlemyer, Leslie, Savransky, Dmitry, Serio, Andrew, Sivaramakrishnan, Anand, Song, Inseok, Soummer, Rémi, Thomas, Sandrine, Wallace, J Kent, Wiktorowicz, Sloane, Wolff, Schuyler. (2015). The First H-band Spectrum of the Giant Planet \ensuremathβ Pictoris b. \apj, 798 (L3 - L3. doi:10.1088/2041-8205/798/1/L3en_US
dc.description.abstractUsing the recently installed Gemini Planet Imager (GPI), we have obtained the first H-band spectrum of the planetary companion to the nearby young starβPictoris. GPI is designed to image and provide low-resolution spectra of Jupiter-sized, self-luminous planetary companions around young nearby stars. These observations were taken covering the Hband (1.65μm). The spectrum has a resolving power of∼45 and demonstrates the distinctive triangular shape of a cool substellar object with low surface gravity. Using atmospheric models, we find an effective temperature of 1600–1700 K and a surface gravity of log(g)=3.5–4.5 (cgs units). These values agree well with“hot-start” predictions from planetary evolution models for a gas giant with mass between 10 and 12MJupand age between 10 and 20 Myr.en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleThe First H-band Spectrum of the Giant Planet β Pictoris ben_US
dc.typeJournal Articleen_US

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