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Articles by S. Scheithauer
Discovery of a star sensitive to the spin of Sagittarius A*
Abstract Residing in the centre of the Milky Way, Sagittarius A* (Sgr A*) is the closest massive black hole1 (MBH). Its vicinity has allowed measuring individual stellar orbits around it2,3,4. The stars act as test particles and probe the gravitational potential around the 4.3 × 106M⊙ MBH.
Water in the terrestrial planet-forming zone of the PDS 70 disk - Nature
Abstract Terrestrial and sub-Neptune planets are expected to form in the inner (less than 10 au) regions of protoplanetary disks1. Water plays a key role in their formation2,3,4, although it is yet unclear whether water molecules are formed in situ or transported from the outer disk5,6. So far Spitzer Space Telescope observations have only provided water luminosity upper limits for dust-depleted inner disks7, similar to PDS 70, the first system with direct confirmation of protoplanet presence8,9.
A rich hydrocarbon chemistry and high C to O ratio in the inner disk around a very low-mass star - Nature Astronomy
Abstract Carbon is an essential element for life but how much can be delivered to young planets is still an open question. The chemical characterization of planet-forming disks is a crucial step in our understanding of the diversity and habitability of exoplanets. Very low-mass stars (less than 0.2 M⊙) are interesting targets because they host a rich population of terrestrial planets.
Workload even affects hand hygiene in a highly trained and well-staffed setting: a prospective 365/7/24 observational study
Publication HistoryPublished online: February 17, 2017Accepted: February 12, 2017; Received: November 10, 2016;
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