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Showing 1–4 of 4 results

Advanced filters: Author: James Muzerolle Clear advanced filters

The nested morphology of disk winds from young stars revealed by JWST/NIRSpec observations

JWST observations of outflows from four young stars reveal in each case a molecular wind with a central cavity surrounding a fast jet. These results point to disk winds driving accretion, with implications for planet formation and evolution.

Ilaria Pascucci
Tracy L. Beck
Marion Villenave
Research04 Oct 2024
Nature Astronomy

Volume: 9, P: 81-89
JWST detection of a supernova associated with GRB 221009A without an r-process signature

JWST observations of GRB 221009A reveal the associated supernova, confirming that the GRB resulted from the collapse of a rapidly rotating massive star. The lack of r-process emission suggests that these extreme events are not key sources of the heaviest elements.

Peter K. Blanchard
V. Ashley Villar
S. Karthik Yadavalli
ResearchOpen Access12 Apr 2024
Nature Astronomy

Volume: 8, P: 774-785
JWST/NIRCam detections of dusty subsolar-mass young stellar objects in the Small Magellanic Cloud

JWST detections of low-mass young stellar objects with infrared excesses in the Small Magellanic Cloud provide indications that the circumstellar material used in planet formation is available in low-metallicity environments.

Olivia C. Jones
Conor Nally
David Soderblom
Research24 Apr 2023
Nature Astronomy

Volume: 7, P: 694-701
Pulsed accretion in a variable protostar

The infrared luminosity of a young protostar (about 10⁵ years old) is found to increase by a factor of ten in roughly one week every 25.34 days; this is attributed to pulsed accretion associated with an unseen binary companion.

James Muzerolle
Elise Furlan
Robert Gutermuth
Research02 Jan 2013
Nature

Volume: 493, P: 378-380