First light for GRAVITY: Phase referencing optical interferometry for the Very Large Telescope Interferometer
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 …
Observatory Very Large Telescope Interferometer to form a telescope with an equivalent 130 …
MATISSE, the VLTI mid-infrared imaging spectro-interferometer
Context. Optical interferometry is at a key development stage. The Very Large Telescope
Interferometer (VLTI) has established a stable, robust infrastructure for long-baseline …
Interferometer (VLTI) has established a stable, robust infrastructure for long-baseline …
High-angular resolution and high contrast observations from Y to L band at the Very Large Telescope Interferometer with the Asgard Instrumental suite
European Southern Observatory (ESO)'s Very Large Telescope Interferometer (VLTI),
Paranal, Chile, is one of the most proficient observatories in the world for high angular …
Paranal, Chile, is one of the most proficient observatories in the world for high angular …
The high energy universe at ultra-high resolution: the power and promise of X-ray interferometry
We propose the development of X-ray interferometry (XRI), to reveal the Universe at high
energies with ultra-high spatial resolution. With baselines which can be accommodated on a …
energies with ultra-high spatial resolution. With baselines which can be accommodated on a …
Optical and near-infrared observations of the Fried Egg Nebula-Multiple shell ejections on a 100 yr timescale from a massive yellow hypergiant
E Koumpia, RD Oudmaijer, V Graham… - Astronomy & …, 2020 - aanda.org
Context. The fate of a massive star during the latest stages of its evolution is highly
dependent on its mass-loss rate and geometry and therefore knowing the geometry of the …
dependent on its mass-loss rate and geometry and therefore knowing the geometry of the …
VLTI-MATISSE chromatic aperture-synthesis imaging of η Carinae's stellar wind across the Brα line-Periastron passage observations in February 2020
G Weigelt, KH Hofmann, D Schertl, B Lopez… - Astronomy & …, 2021 - aanda.org
Context. Eta Carinae is a highly eccentric, massive binary system (semimajor axis~ 15.5 au)
with powerful stellar winds and a phase-dependent wind-wind collision (WWC) zone. The …
with powerful stellar winds and a phase-dependent wind-wind collision (WWC) zone. The …
X-ray detection of astrospheres around three main-sequence stars and their mass-loss rates
KG Kislyakova, M Güdel, D Koutroumpa, JA Carter… - Nature …, 2024 - nature.com
Stellar winds of cool main-sequence stars are difficult to constrain observationally. One way
to measure stellar mass-loss rates is to detect the soft X-ray emission from stellar …
to measure stellar mass-loss rates is to detect the soft X-ray emission from stellar …
Mid-infrared evolution of η Carinae from 1968 to 2018
A Mehner, WJ de Wit, D Asmus, PW Morris… - Astronomy & …, 2019 - aanda.org
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 …
IR source in the sky outside our solar system. Since the late 1990s, the central source has …
High spectral-resolution interferometry down to one micron with Asgard/BIFROST at VLTI: science drivers and project overview
We present science cases and instrument design considerations for the BIFROST instrument
that will open the short-wavelength (Y/J/H-band), high spectral dispersion (up to R= 25,000) …
that will open the short-wavelength (Y/J/H-band), high spectral dispersion (up to R= 25,000) …
Gas dynamics in the inner few AU around the Herbig B [e] star MWC297-Indications of a disk wind from kinematic modeling and velocity-resolved interferometric …
E Hone, S Kraus, A Kreplin, KH Hofmann… - Astronomy & …, 2017 - aanda.org
Aims. Circumstellar accretion disks and outflows play an important role in star formation. By
studying the continuum and Brγ-emitting region of the Herbig B [e] star MWC297 with high …
studying the continuum and Brγ-emitting region of the Herbig B [e] star MWC297 with high …