The JWST Early-release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 μm Spectrum of the Planetary-mass Companion VHS 1256–1257 b

E. Miles, Brittany; A. Biller, Beth; Patapis, Polychronis; Worthen, Kadin; Rickman, Emily; K. W. Hoch, Kielan; Skemer, Andrew; D. Perrin, Marshall; Whiteford, Niall; H. Chen, Christine; Sargent, B.; Mukherjee, Sagnick; V. Morley, Caroline; E. Moran, Sarah; Bonnefoy, Mickael; Petrus, Simon; L. Carter, Aarynn; Choquet, Elodie; Hinkley, Sasha; Ward-Duong, Kimberly; M. Leisenring, Jarron; A. Millar-Blanchaer, Maxwell; Pueyo, Laurent; Ray, Shrishmoy; Sallum, Steph; R. Stapelfeldt, Karl; M. Stone, Jordan; J. Wang, Jason; Absil, Olivier; O. Balmer, William; Boccaletti, Anthony; Bonavita, Mariangela; Booth, Mark; P. Bowler, Brendan; Chauvin, Gael; Christiaens, Valentin; Currie, Thayne; Danielski, Camilla; J. Fortney, Jonathan; H. Girard, Julien; A. Grady, Carol; Z. Greenbaum, Alexandra; Henning, Thomas; C. Hines, Dean; Janson, Markus; Kalas, Paul; Kammerer, Jens; M. Kennedy, Grant; A. Kenworthy, Matthew; Kervella, Pierre; Lagage, Pierre-Olivier; W. P. Lew, Ben; C. Liu, Michael; Macintosh, Bruce; Marino, Sebastian; S. Marley, Mark; Marois, Christian; C. Matthews, Elisabeth; C. Matthews, Brenda; Mawet, Dimitri; W. McElwain, Michael; Metchev, Stanimir; R. Meyer, Michael; Molliere, Paul; Pantin, Eric; Quirrenbach, Andreas; Rebollido, Isabel; B. Ren, Bin; Schneider, Glenn; Vasist, Malavika; C. Wyatt, Mark; Zhou, Yifan; W. Briesemeister, Zackery; L. Bryan, Marta; Calissendorff, Per; Cantalloube, Faustine; Cugno, Gabriele; De Furio, Matthew; J. Dupuy, Trent; M. Factor, Samuel; K. Faherty, Jacqueline; P. Fitzgerald, Michael; Franson, Kyle; C. Gonzales, Eileen; E. Hood, Callie; R. Howe, Alex; L. Kraus, Adam; Kuzuhara, Masayuki; Lagrange, Anne-Marie; Lawson, Kellen; Lazzoni, Cecilia; Liu, Pengyu; Llop-Sayson, Jorge; P. Lloyd, James; A. Martinez, Raquel; Mazoyer, Johan; P. Quanz, Sascha; Adams Redai, Jea; Samland, Matthias; E. Schlieder, Joshua; Tamura, Motohide; Tan, Xianyu; Uyama, Taichi; Vigan, Arthur; M. Vos, Johanna; Wagner, Kevin; G. Wolff, Schuyler; Ygouf, Marie; Zhang, Xi; Zhang, Keming; Zhang, Zhoujian

doi:10.3847/2041-8213/acb04a

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The JWST Early-release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 μm Spectrum of the Planetary-mass Companion VHS 1256–1257 b

Shared by NobleBlocks on Mar 1, 2023 • 12:00 AM UTC

Authors:

Brittany E. Miles

Beth A. Biller

Polychronis Patapis

Abstract

Abstract We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is a <20 M Jup widely separated (∼8″, a = 150 au), young, planetary-mass companion that shares photometric colors and spectroscopic features with the directly imaged exoplanets HR 8799c, d, and e. As an ...

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