Nonthermal particles and photons in starburst regions and superbubbles

AM Bykov - The Astronomy and Astrophysics Review, 2014 - Springer
Starforming factories in galaxies produce compact clusters and loose associations of young
massive stars. Fast radiation-driven winds and supernovae input their huge kinetic power …

First light for GRAVITY: Phase referencing optical interferometry for the Very Large Telescope Interferometer

R Abuter, M Accardo, A Amorim, N Anugu… - Astronomy & …, 2017 - aanda.org
GRAVITY is a new instrument to coherently combine the light of the European Southern
Observatory Very Large Telescope Interferometer to form a telescope with an equivalent 130 …

On variations of pre-supernova model properties

R Farmer, CE Fields, I Petermann… - The Astrophysical …, 2016 - iopscience.iop.org
We explore the variation in single-star 15–30 M, nonrotating, solar metallicity, pre-
supernova MESA models that is due to changes in the number of isotopes in a fully coupled …

Supernova remnants of red supergiants: From barrels to loops

DMA Meyer, PF Velázquez, M Pohl, K Egberts… - Astronomy & …, 2024 - aanda.org
Core-collapse (CC) supernova remnants (SNRs) are the nebular leftovers of defunct
massive stars that died during a supernova explosion, mostly while undergoing the red …

Scientific problems addressed by the Spektr-UV space project (world space Observatory—Ultraviolet)

AA Boyarchuk, BM Shustov, IS Savanov, ME Sachkov… - Astronomy Reports, 2016 - Springer
The article presents a review of scientific problems and methods of ultraviolet astronomy,
focusing on perspective scientific problems (directions) whose solution requires UV space …

Non-thermal X-rays from colliding wind shock acceleration in the massive binary Eta Carinae

K Hamaguchi, MF Corcoran, JM Pittard, N Sharma… - Nature …, 2018 - nature.com
Cosmic-ray acceleration has been a long-standing mystery, and, despite more than a
century of study, we still do not have a complete census of acceleration mechanisms. The …

Simulating the formation of η Carinae's surrounding nebula through unstable triple evolution and stellar merger-induced eruption

R Hirai, P Podsiadlowski, SP Owocki… - Monthly Notices of …, 2021 - academic.oup.com
ABSTRACT η Carinae is an extraordinary massive star famous for its 19th century Great
Eruption and the surrounding Homunculus nebula ejected in that event. The cause of 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 first full orbit of η Carinae seen by Fermi

K Reitberger, A Reimer, O Reimer… - Astronomy & …, 2015 - aanda.org
Aims. The binary system η Carinae has completed its first 5.54 y orbit since the beginning of
science operation of the Fermi Large Area Telescope (LAT). We are now able to investigate …

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 …