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 …
spectrum variations occur near periastron. Most notably, near periastron the He ii λ4686 line …
[HTML][HTML] VLTI-AMBER velocity-resolved aperture-synthesis imaging of η Carinae with a spectral resolution of 12 000-Studies of the primary star wind and innermost …
G Weigelt, KH Hofmann, D Schertl, N Clementel… - Astronomy & …, 2016 - aanda.org
Context. The mass loss from massive stars is not understood well. η Carinae is a unique
object for studying the massive stellar wind during the luminous blue variable phase. It is …
object for studying the massive stellar wind during the luminous blue variable phase. It is …
The fossil wind structures of Eta Carinae: changes across one 5.54-yr cycle
Eta Carinae, the closest, active, massive binary containing a highly unstable Luminous Blue
Variable, exhibits expanding, compressed wind shells, seen in emission, that are spatially …
Variable, exhibits expanding, compressed wind shells, seen in emission, that are spatially …
To v∞ and beyond! The He i absorption variability across the 2014.6 periastron passage of η Carinae
ND Richardson, TI Madura, L St-Jean… - Monthly Notices of …, 2016 - academic.oup.com
We have monitored the massive binary star η Carinae with the CTIO/Small and Moderate
Aperture Research Telescope System 1.5 m telescope and CHIRON spectrograph from the …
Aperture Research Telescope System 1.5 m telescope and CHIRON spectrograph from the …
Modelling the Central Constant Emission X-ray component of η Carinae
CMP Russell, MF Corcoran… - Monthly Notices of …, 2016 - academic.oup.com
The X-ray emission of η Carinae shows multiple features at various spatial and temporal
scales. The central constant emission (CCE) component is centred on the binary and arises …
scales. The central constant emission (CCE) component is centred on the binary and arises …
Orbital Parameters for the 250 M⊙ Eta Carinae Binary System
We show that recent observations of He i and N ii lines of η Carinae may provide support for
an orbital orientation where the secondary star is closest to us at periastron passages. This …
an orbital orientation where the secondary star is closest to us at periastron passages. This …
Non-thermal emission from high-energy binaries through interferometric radio observations
B Marcote - arXiv preprint arXiv:1603.09276, 2016 - arxiv.org
High-mass binary systems involve extreme environments that produce non-thermal
emission from radio to gamma rays. Only three types of these systems are known to emit …
emission from radio to gamma rays. Only three types of these systems are known to emit …
The fossil wind structures of Eta Carinae: changes across on 5.54-year cycle
Eta Carinae, the closest, active, massive binary containing a highly unstable LBV, exhibits
expanding, compressed wind shells, seen in emission, that are spatially and spectrally …
expanding, compressed wind shells, seen in emission, that are spatially and spectrally …
To and beyond! The He I absorption variability across the 2014.6 periastron passage of Carinae
ND Richardson, TI Madura, L St-Jean… - arXiv preprint arXiv …, 2016 - arxiv.org
We have monitored the massive binary star $\eta $ Carinae with the CTIO/SMARTS 1.5~ m
telescope and CHIRON spectrograph from the previous apastron passage of the system …
telescope and CHIRON spectrograph from the previous apastron passage of the system …