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Articles by Daniel Harsono
Refractory solid condensation detected in an embedded protoplanetary disk - Nature
Abstract Terrestrial planets and small bodies in our Solar System are theorized to have assembled from interstellar solids mixed with rocky solids that precipitated from a hot, cooling gas1,2. The first high-temperature minerals to recondense from this gaseous reservoir start the clock on planet formation3,4. However, the production mechanism of this initial hot gas and its importance to planet formation in other systems are unclear.
Linking interstellar and cometary O2: a deep search for 16O18O in the solar-type protostar IRAS 16293-2422
Article Dans Une Revue Astronomy and Astrophysics - A&A Année : 2018 Linking interstellar and cometary O2: a deep search for 16O18O in the solar-type protostar IRAS 16293-2422 Origine : Fichiers éditeurs autorisés sur une archive ouverte hal-01807810 , version 1 (01-06-2024) Vianney Taquet, Ewine F. van Dishoeck, Matthew Swayne, Daniel Harsono, Jes K. Jørgensen, et al.. Linking interstellar and cometary O2: a deep search for 16O18O in the solar-type protostar IRAS 16293-2422.
Deuterium-enriched water ties planet-forming disks to comets and protostars - Nature
Abstract Water is a fundamental molecule in the star and planet formation process, essential for catalysing the growth of solid material and the formation of planetesimals within disks1,2. However, the water snowline and the HDO:H2O ratio within proto-planetary disks have not been well characterized because water only sublimates at roughly 160 K (ref. 3), meaning that most water is frozen out onto dust grains and that the water snowline radii are less than 10 AU (astronomical units)4,5.
Binarity of a protostar affects the evolution of the disk and planets - Nature
Abstract Nearly half of all stars similar to our Sun are in binary or multiple systems1, which may affect the evolution of the stars and their protoplanetary disks during their earliest stages. NGC 1333-IRAS2A is a young, Class 0, low-mass protostellar system located in the Perseus molecular cloud2.
Evidence for the start of planet formation in a young circumstellar disk
Andrews, S. M. in New Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory (eds Kawabe, R., Kuno, N. & Yamamoto, S.) 149–156 (Coference Series no. 476, Astronomical Society of the Pacific, 2013). Jørgensen, J. K. et al. PROSAC: a submillimeter array survey of low-mass protostars. II. The mass evolution of envelopes, disks, and stars from the Class 0 through I stages. Astron. Astrophys. 507, 861–879 (2009). Kama, M. et al.
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