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Water-rich Disks around Late M Stars Unveiled: Exploring the Remarkable Case of Sz 114

We present an analysis of the JDISCS JWST/MIRI-MRS spectrum of Sz 114, an accreting M5 star surrounded by a large dust disk with a shallow gap at ∼39 au. The spectrum is molecule-rich; we report the detection of water, CO, CO _2 , HCN, C _2 H _2 , and H _2 . The only identified atomic/ionic transiti...

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Autori principali: Chengyan Xie, Ilaria Pascucci, Feng Long, Klaus M. Pontoppidan, Andrea Banzatti, Anusha Kalyaan, Colette Salyk, Yao Liu, Joan R. Najita, Paola Pinilla, Nicole Arulanantham, Gregory J. Herczeg, John Carr, Edwin A. Bergin, Nicholas P. Ballering, Sebastiaan Krijt, Geoffrey A. Blake, Ke Zhang, Karin I. Öberg, Joel D. Green, the JDISCS collaboration
Natura: Artigo
Lingua:Inglês
Pubblicazione: IOP Publishing 2023-01-01
Serie:The Astrophysical Journal Letters
Soggetti:
Circumstellar disks
Protoplanetary disks
Planetary system formation
Molecular spectroscopy
Molecular gas
Infrared astronomy
Accesso online:https://doi.org/10.3847/2041-8213/ad0ed9
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