Results 101 to 110 of about 54,720 (190)

JWST MIRI MRS Images of Disk Winds, Water, and CO in an Edge-on Protoplanetary Disk

open access: yesThe Astrophysical Journal Letters
We present JWST MIRI MRS observations of the edge-on protoplanetary disk around the young subsolar-mass star Tau 042021, acquired as part of the Cycle 1 GO program “Mapping Inclined Disk Astrochemical Signatures.” These data resolve the mid-IR spatial ...
Nicole Arulanantham   +16 more
doaj   +1 more source

Low-mass Stars: Their Protoplanetary Disk Lifetime Distribution

open access: yesThe Astrophysical Journal
While most protoplanetary disks lose their gas within less than 10 Myr, individual disk lifetimes vary from 5 Myr. The next challenge is to quantitatively link the diversity of disk lifetimes to the diversity in planets.
Susanne Pfalzner, Furkan Dincer
doaj   +1 more source

The Carbon Isotopic Ratio and Planet Formation

open access: yesThe Astrophysical Journal
We present the first detection of ^13 CCH in a protoplanetary disk (TW Hya). Using observations of C _2 H, we measure CCH/ ^13 CCH = 65 ± 20 gas with a CO isotopic ratio of ^12 CO/ ^13 CO = 21 ± 5.
Edwin A. Bergin   +8 more
doaj   +1 more source

Infrared Signatures of Protoplanetary Disk Evolution [PDF]

open access: bronze, 2002
Kenneth Wood   +5 more
openalex   +1 more source

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