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3-D Radiative Transfer Modelling of Massive-Star UV Wind Line Variability
A. Lobel
We present detailed semi-empiric models for rotational modulations observed in ultraviolet wind lines of B0.5 supergiant HD 64760. We model the Rotational Modulation Regions (RMRs)…
Modeling Ultraviolet Wind Line Variability in Massive Hot Stars
A. Lobel, R. Blomme
We model the detailed time-evolution of Discrete Absorption Components (DACs) observed in P Cygni profiles of the Si IV lam1400 resonance doublet lines of the fast-rotating supergi…
SpectroWeb: Oscillator Strength Measurements of Atomic Absorption Lines in the Sun and Procyon
A. Lobel
We update the online SpectroWeb database of spectral standard reference stars with 1178 oscillator strength values of atomic absorption lines observed in the optical spectrum of th…
Three Dimensional Radiative Transfer in Winds of Massive Stars: Wind3D
A. Lobel, R. Blomme
We discuss the development of the new radiative transfer code Wind3D. It solves the non-LTE radiative transport problem in moving stellar atmosphere models in three geometric dimen…
SpectroWeb: An Interactive Graphical Database of Digital Stellar Spectral Atlases
A. Lobel
SpectroWeb is an online maintained interactive graphical database of digital spectral atlases of spectral standard stars at http://spectra.freeshell.org . It is an efficient and us…
On the CO Near-IR Band and the Line Splitting Phenomenon in the Yellow Hypergiant Rho Cassiopeiae
N. Gorlova, A. Lobel, A. Burgasser +3
We report on multi-epoch optical and near-infrared spectroscopy around the first overtone ro-vibrational band of CO in the pulsating yellow hypergiant Rho Cas, one of the most mass…