Contributed Talk - Splinter ISM

Friday, 15 September 2023, 15:00   (H 3006)

Our dusty Milky Way in 3D at parsec-scale resolution out to 1.25 kiloparsec in distance

Gordian Edenhofer
Max Planck Institute for Astrophysics

Interstellar dust traces the mass in the ISM and is crucial as catalyst for star formation. However, we do not observe 3D interstellar dust densities directly but merely 2D projections of it. In this talk I will discuss how we can use astrometic data namely distance and extinction information from Gaia to de-project our 2D view of the sky to 3D. I will present a 3D map of interstellar dust extending out to 1.25 kiloparsec in distance from the Sun. The 3D map agrees well with previous high resolution 3D maps of smaller volumes. It improves upon them in terms of covered volume and resolution.