Detection of gamma-ray emission from the Eta-Carinae region

M Tavani, S Sabatini, E Pian, A Bulgarelli… - The Astrophysical …, 2009 - iopscience.iop.org
We present the results of extensive observations by the gamma-ray AGILE satellite of the
Galactic region hosting the Carina nebula and the remarkable colliding wind binary Eta …

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 …

High-excitation emission lines near Eta Carinae, and its likely companion star

A Mehner, K Davidson, GJ Ferland… - The Astrophysical …, 2010 - iopscience.iop.org
In order to study the distribution of gas and ionizing radiation around η Car and their
implications for its likely companion star, we have examined high-excitation emission lines …

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 …

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 …

Constraining the absolute orientation of η Carinae's binary orbit: a 3D dynamical model for the broad [Fe iii] emission

TI Madura, TR Gull, SP Owocki, JH Groh… - Monthly Notices of …, 2012 - academic.oup.com
We present a three-dimensional (3D) dynamical model for the broad [Fe iii] emission
observed in η Carinae using the Hubble Space Telescope/Space Telescope Imaging …

Periastron passage triggering of the 19th century eruptions of Eta Carinae

A Kashi, N Soker - The Astrophysical Journal, 2010 - iopscience.iop.org
We reconstruct the evolution of η Car in the last two centuries under the assumption that the
two 19th century eruptions were triggered by periastron passages and through this …

He II λ4686 EMISSION FROM THE MASSIVE BINARY SYSTEM IN η CAR: CONSTRAINTS TO THE ORBITAL ELEMENTS AND THE NATURE OF THE PERIODIC …

M Teodoro, A Damineli, B Heathcote… - The Astrophysical …, 2016 - iopscience.iop.org
ABSTRACT Eta Carinae (η Car) is an extremely massive binary system in which rapid
spectrum variations occur near periastron. Most notably, near periastron the He ii λ4686 line …

The 2014 X-ray minimum of η Carinae as seen by Swift

MF Corcoran, J Liburd, D Morris… - The Astrophysical …, 2017 - iopscience.iop.org
We report on Swift X-ray Telescope observations of Eta Carinae (η Car), an extremely
massive, long-period, highly eccentric binary obtained during the 2014.6 X-ray …