We analyze spatially resolved spectroscopic observations of the Eta Carinae binary system
obtained with the Hubble Space Telescope/STIS. Eta Car is enshrouded by the dusty …

We present two-dimensional (2D) radiative transfer modelling of the Eta Carinae binary
system accounting for the presence of a wind–wind collision (WWC) cavity carved in the …

The highly eccentric binary system, η Car, provides clues to the transition of massive stars
from hydrogen–burning via the CNO cycle to a helium–burning evolutionary state. The fast …

We report on high-resolution spectroscopy of the 2009.0 spectroscopic event of η Carinae
collected via SMARTS observations using the CTIO 1.5 m telescope and echelle …

ABSTRACT We report new Hubble Space Telescope/Space Telescope Imaging
Spectrograph observations that map the high-ionization forbidden line emission in the inner …

Stellar wind-emission features in the spectrum of eta Carinae have decreased by factors of
1.5–3 relative to the continuum within the last 10 years. We investigate a large data set from …

The Homunculus reflection nebula around η Carinae provides a rare opportunity to observe
the spectrum of a star from more than one direction. In the case of η Car, the nebula's …

We analyze interferometric measurements of the luminous blue variable Eta Carinae with
the goal of constraining the rotational velocity of the primary star and probing the influence of …

We present a new model for the behavior of scattered time-dependent, asymmetric near-UV
emission from the nearby ejecta of η Car. Using a three-dimensional (3D) hydrodynamical …

Context. η Carinae is a colliding wind binary hosting two of the most massive stars and
featuring the strongest wind collision mechanical luminosity. The wind collision region of this …