We have made an extensive study of the UV spectrum of η Carinae and find that we do not
directly observe the star and its wind in the UV. Because of dust along our line of sight, the …

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 …

We report the detection of the emission line He II λ4686 in η Carinae. The equivalent width
of this line is~ 100 mÅ along most of the 5.5 yr cycle and jumps to~ 900 mÅ just before …

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 …

ABSTRACT A series of three Hubble Space Telescope/Space Telescope Imaging
Spectrograph spectroscopic mappings, spaced approximately one year apart, reveal three …

η Car is one of the most luminous and massive stars in our Galaxy and is the brightest mid-
IR source in the sky outside our solar system. Since the late 1990s, the central source has …

We apply the previously suggested accretion model for the behavior of the super-massive
binary system η Car close to periastron passages. In that model it is assumed that for∼ 10 …

We solve the Rossi X-Ray Timing Explorer X-ray light curve of the extremely luminous and
massive star η Carinae with a colliding-wind emission model to refine the ground-based …

The luminous blue variable η Carinae is almost certainly a double star: a hot secondary in
an eccentric orbit around a massive primary. Radio observations with the Australia …

We analyze velocity profiles of the X-ray spectral lines emitted by the η Carinae (η Car)
stellar binary at four epochs, just before the X-ray minimum (associated with periastron) and …