3D modelling of the colliding winds in η Carinae–evidence for radiative inhibition

ER Parkin, JM Pittard, MF Corcoran… - Monthly Notices of …, 2009 - academic.oup.com
The X-ray emission from the supermassive star η Car is simulated using a 3D model of the
wind–wind collision. In the model the intrinsic X-ray emission is spatially extended and …

Spiraling out of control: three-dimensional hydrodynamical modeling of the colliding winds in η carinae

ER Parkin, JM Pittard, MF Corcoran… - The Astrophysical …, 2010 - iopscience.iop.org
Three-dimensional adaptive mesh refinement hydrodynamical simulations of the wind–wind
collision between the enigmatic supermassive star η Car and its mysterious companion star …

Constraints on decreases in η Carinae's mass-loss from 3D hydrodynamic simulations of its binary colliding winds

TI Madura, TR Gull, AT Okazaki… - Monthly Notices of …, 2013 - academic.oup.com
Recent work suggests that the mass-loss rate of the primary star ηA in the massive colliding
wind binary η Carinae dropped by a factor of 2–3 between 1999 and 2010. We present …

The extended interacting wind structure of Eta Carinae

TR Gull, KE Nielsen, MF Corcoran… - Monthly Notices of …, 2009 - academic.oup.com
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 …

3D radiative transfer simulations of Eta Carinae's inner colliding winds–I. Ionization structure of helium at apastron

N Clementel, TI Madura, CJH Kruip… - Monthly Notices of …, 2015 - academic.oup.com
The highly eccentric binary system Eta Carinae (η Car) shows numerous time-variable
emission and absorption features. These observational signatures are the result of …

Modelling the RXTE light curve of η Carinae from a 3D SPH simulation of its binary wind collision

AT Okazaki, SP Owocki, CMP Russell… - Monthly Notices of the …, 2008 - academic.oup.com
The very massive star system η Carinae exhibits regular 5.54 yr (2024 d) period disruptive
events in wavebands ranging from the radio to X-ray. There is a growing consensus that …

Wind-wind collision in the η Carinae binary system: a shell-like event near periastron

D Falceta-Gonçalves, V Jatenco-Pereira… - Monthly Notices of the …, 2005 - academic.oup.com
The exact nature of η Carinae is still an open issue. Strict periodicity in the light curves at
several wavelengths seem to point to a binary system, but the observed radial velocities …

On the influence of the companion star in Eta Carinae: 2D radiative transfer modelling of the ultraviolet and optical spectra

JH Groh, DJ Hillier, TI Madura… - Monthly Notices of the …, 2012 - academic.oup.com
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 …

Is Eta Carinae a fast rotator, and how much does the companion influence the inner wind structure?

JH Groh, TI Madura, SP Owocki… - The Astrophysical …, 2010 - iopscience.iop.org
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 …

A companion as the cause of latitude-dependent effects in the wind of Eta Carinae

JH Groh, TI Madura, DJ Hillier… - The Astrophysical …, 2012 - iopscience.iop.org
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 …