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The extended atmosphere and circumstellar environment of the cool evolved star VX Sagittarii as seen by MATISSE
A. Chiavassa, K. Kravchenko, M. Montargès +50
Context. VX Sgr is a cool, evolved, and luminous red star whose stellar parameters are difficult to determine, which affects its classification. Aims. We aim to spatially resolve t…
Silicon in the dayside atmospheres of two ultra-hot Jupiters
D. Cont, F. Yan, A. Reiners +22
Atmospheres of highly irradiated gas giant planets host a large variety of atomic and ionic species. Here we observe the thermal emission spectra of the two ultra-hot Jupiters WASP…
The SEDIGISM survey: a search for molecular outflows
A. Y. Yang, J. S. Urquhart, F. Wyrowski +19
Context. The formation processes of massive stars are still unclear but a picture is emerging involving accretion disks and molecular outflows in what appears to be a scaled-up ver…
Probing inner and outer disk misalignments in transition disks
A. J. Bohn, M. Benisty, K. Perraut +16
For several transition disks (TDs), dark regions interpreted as shadows have been observed in scattered light imaging and are hypothesized to originate from misalignments between d…
Metallicities in M dwarfs: Investigating different determination techniques
V. M. Passegger, A. Bello-García, J. Ordieres-Meré +17
Deriving metallicities for solar-like stars follows well-established methods, but for cooler stars such as M dwarfs, the determination is much more complicated due to forests of mo…
ISPY -- NaCo Imaging Survey for Planets around Young stars. CenteR: the impact of centering and frame selection
N. Godoy, J. Olofsson, A. Bayo +18
Abridged: Direct imaging has made significant progress over the past decade leading to the detection of several giant planets. Observing strategies and data rates vary from instrum…