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2D chemical evolution model: the impact of galactic disc asymmetries on azimuthal chemical abundance variations
E. Spitoni, G. Cescutti, I. Minchev +5
Galactic disc chemical evolution models generally ignore azimuthal surface density variation that can introduce chemical abundance azimuthal gradients. Recent observations, however…
Fossil stellar streams and their globular cluster populations in the E-MOSAICS simulations
Meghan E. Hughes, Joel Pfeffer, Marie Martig +4
Stellar haloes encode a fossil record of a galaxy's accretion history, generally in the form of structures of low surface brightness, such as stellar streams. While their low surfa…
Time Inference with MUSE in Extragalactic Rings (TIMER): Properties of the Survey and High-Level Data Products
Dimitri A. Gadotti, Patricia Sánchez-Blázquez, Jesús Falcón-Barroso +14
The Time Inference with MUSE in Extragalactic Rings (TIMER) project is a survey with the VLT-MUSE integral-field spectrograph of 24 nearby barred galaxies with prominent central st…
How does the stellar disk of the Milky Way get its gas?
Sebastian E. Nuza, Cristina Chiappini, Cecilia Scannapieco +3
In chemodynamical evolution models it is usually assumed that the Milky Way galaxy forms from the inside-out implying that gas inflows onto the disk decrease with galactocentric di…
Gas accretion in Milky Way-like galaxies: temporal and radial dependencies
Sebastian E. Nuza, Cecilia Scannapieco, Cristina Chiappini +3
One of the fundamental assumptions of chemical evolution models (CEMs) of the Milky Way (MW) and other spirals is that higher gas accretion rates are expected in the past, and in t…
Estimating stellar birth radii and the time evolution of the Milky Way's ISM metallicity gradient
I. Minchev, F. Anders, A. Recio-Blanco +14
We present a semi-empirical, largely model-independent approach for estimating Galactic birth radii, r_birth, for Milky Way disk stars. The technique relies on the justifiable assu…