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The dispersal of protoplanetary discs. II: Photoevaporation models with observationally derived irradiating spectra
Barbara Ercolano, Giovanni Picogna, Kristina Monsch +2
Young solar-type stars are known to be strong X-ray emitters and their X-ray spectra have been widely studied. X-rays from the central star may play a crucial role in the thermodyn…
The imprint of X-ray photoevaporation of planet-forming discs on the orbital distribution of giant planets -- II. Theoretical predictions
Kristina Monsch, Giovanni Picogna, Barbara Ercolano +1
Numerical models have shown that disc dispersal via internal photoevaporation driven by the host star can successfully reproduce the observed pile-up of warm Jupiters near 1-2 au.…
Testing the models of X-ray driven photoevaporation with accreting stars in the Orion Nebula Cluster
Stefan Flaischlen, Thomas Preibisch, Carlo Felice Manara +1
Recent works highlight the importance of stellar X-rays on the evolution of the circumstellar disks of young stellar objects, especially for disk photoevaporation. A signature of t…
Detection of new O-type stars in the obscured stellar cluster Tr 16-SE in the Carina Nebula with KMOS
Thomas Preibisch, Stefan Flaischlen, Christiane Göppl +2
The Carina Nebula harbors a large population of high-mass stars, including at least 75 O-type and Wolf-Rayet stars, but the current census is not complete since further high-mass s…
Measuring the ratio of the gas and dust emission radii of protoplanetary disks in the Lupus star-forming region
E. Sanchis, L. Testi, A. Natta +15
We perform a comprehensive demographic study of the CO extent relative to dust of the disk population in the Lupus clouds, in order to find indications of dust evolution and possib…