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JWST/NIRSpec Observations of the Planetary Mass Companion TWA 27B

We present 1–5 μ m spectroscopy of the young planetary mass companion TWA 27B (2M1207B) performed with NIRSpec on board the James Webb Space Telescope. In these data, the fundamental band of CH _4 is absent, and the fundamental band of CO is weak. The nondetection of CH _4 reinforces a previously ob...

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Principais autores: K. L. Luhman, P. Tremblin, S. M. Birkmann, E. Manjavacas, J. Valenti, C. Alves de Oliveira, T. L. Beck, G. Giardino, N. Lützgendorf, B. J. Rauscher, M. Sirianni
Format: Artigo
Sprog:Inglês
Udgivet: IOP Publishing 2023-01-01
Serier:The Astrophysical Journal Letters
Fag:
Brown dwarfs
L dwarfs
Exoplanet atmospheres
Circumstellar disks
Protoplanetary disks
Substellar companion stars
Online adgang:https://doi.org/10.3847/2041-8213/acd635
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