Critical differences and clues in Eta car'S 2009 event
A Mehner, K Davidson, JC Martin… - The Astrophysical …, 2011 - iopscience.iop.org
ABSTRACT We monitored Eta Carinae with the Hubble Space Telescope WFPC2 and
Gemini GMOS throughout the 2009 spectroscopic event, which was expected to differ from …
Gemini GMOS throughout the 2009 spectroscopic event, which was expected to differ from …
Imaging the time evolution of Eta Carinae's colliding winds with HST
ABSTRACT We report new Hubble Space Telescope/Space Telescope Imaging
Spectrograph observations that map the high-ionization forbidden line emission in the inner …
Spectrograph observations that map the high-ionization forbidden line emission in the inner …
N ii λλ5668–5712: A NEW CLASS OF SPECTRAL FEATURES IN ETA CARINAE
A Mehner, K Davidson, GJ Ferland - The Astrophysical Journal, 2011 - iopscience.iop.org
We report on the N ii λλ5668–5712 emission and absorption lines in the spectrum of η
Carinae. Spectral lines of the stellar wind regions can be classified into four physically …
Carinae. Spectral lines of the stellar wind regions can be classified into four physically …
Explaining the transient fast blue absorption lines in the massive binary system η Carinae
We use recent observations of the He i λ10 830 Å absorption line and 3D hydrodynamical
numerical simulations of the winds collision to strengthen the case for an orientation of the …
numerical simulations of the winds collision to strengthen the case for an orientation of the …
The Eta Carinae 2009 Campaign
MF Corcoran - Bulletin de la Société Royale des Sciences de …, 2011 - popups.uliege.be
In January 2009, the enigmatic, extremely massive and luminous star Eta Car went through
one of its periodic “minimum” states in which the excitation of its circumstellar nebula, along …
one of its periodic “minimum” states in which the excitation of its circumstellar nebula, along …
Multi-Wavelength Implications of the Companion Star in eta Carinae
Eta Carinae is considered to be a massive colliding wind binary system with a highly
eccentric (e\sim 0.9), 5.54-yr orbit. However, the companion star continues to evade direct …
eccentric (e\sim 0.9), 5.54-yr orbit. However, the companion star continues to evade direct …
Galactic sources science with AGILE: The case of the Carina Region
S Sabatini, M Tavani, E Pian, A Bulgarelli… - Nuclear Instruments and …, 2011 - Elsevier
During its first 2 years of operation, the gamma-ray AGILE satellite accumulated an
extensive dataset for the Galactic plane. The data have been monitored for transient sources …
extensive dataset for the Galactic plane. The data have been monitored for transient sources …
Imaging with HST the time evolution of Eta Carinae's colliding winds
We report new HST/STIS observations that map the high-ionization forbidden line emission
in the inner arcsecond of Eta Car, the first that fully image the extended wind-wind …
in the inner arcsecond of Eta Car, the first that fully image the extended wind-wind …
He II 4686 in eta Carinae: collapse of the wind-wind collision region during periastron passage
The periodic spectroscopic events in eta Carinae are now well established and occur near
the periastron passage of two massive stars in a very eccentric orbit. Several mechanisms …
the periastron passage of two massive stars in a very eccentric orbit. Several mechanisms …
N II 5668-5712, a New Class of Spectral Features in Eta Carinae
A Mehner, K Davidson, GJ Ferland - arXiv preprint arXiv:1104.1829, 2011 - arxiv.org
We report on the N II 5668-5712 emission and absorption lines in the spectrum of Eta
Carinae. Spectral lines of the stellar wind regions can be classified into four physically …
Carinae. Spectral lines of the stellar wind regions can be classified into four physically …