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35 papers · 1 filter
The evolution of barred galaxies in the EAGLE simulations
Mitchell K. Cavanagh, Kenji Bekki, Brent A. Groves +1
We study the morphologies of 3,964 galaxies and their progenitors with in the reference EAGLE hydrodynamical simulation from redshifts to , c…
Models for Metal-Poor Stars with Different Initial Abundances of C, N, O, Mg, and Si. II. Application to the Colour-Magnitude Diagrams of the Globular Clusters 47 Tuc, NGC 6362, M5, M3, M55, and M92
Don A. VandenBerg, Luca Casagrande, Bengt Edvardsson
Stellar models for -2.5 <= [Fe/H] <= -0.5 that have been computed for variations in the C:N:O abundance ratio (for two different values of [CNO/Fe]) are compared with HST Wide Fiel…
Models of Metal-Poor Stars with Different Initial Abundances of C, N, O, Mg, and Si. I. Bolometric Corrections Derived from New MARCS Synthetic Spectra and Their Implications for Observed Colour-Magnitude Diagrams
Don A. VandenBerg, Bengt Edvardsson, Luca Casagrande +1
New, high-resolution MARCS synthetic spectra have been calculated for more than a dozen mixtures of the metals allowing, in turn, for variations in C:N:O, [CNO/Fe], and enhanced ab…
The most metal-rich asymptotic giant branch stars
Amanda Karakas, Giulia Cinquegrana, Meridith Joyce
We present new stellar evolutionary sequences of very metal-rich stars evolved with the Monash Stellar Structure code and with MESA. The Monash models include masses of $1-8M_{\odo…
The SAPP pipeline for the determination of stellar abundances and atmospheric parameters of stars in the core program of the PLATO mission
Matthew Raymond Gent, Maria Bergemann, Aldo Serenelli +25
We introduce the SAPP (Stellar Abundances and atmospheric Parameters Pipeline), the prototype of the code that will be used to determine parameters of stars observed within the cor…
Tracing the Ionization Structure of the Shocked Filaments of NGC 6240
Anne M. Medling, Lisa J. Kewley, Daniela Calzetti +14
We study the ionization and excitation structure of the interstellar medium in the late-stage gas-rich galaxy merger NGC 6240 using a suite of emission line maps at 25 pc res…