PIONIER: a 4-telescope visitor instrument at VLTI
JB Le Bouquin, JP Berger, B Lazareff, G Zins… - Astronomy & …, 2011 - aanda.org
Context. PIONIER stands for Precision Integrated-Optics Near-infrared Imaging ExpeRiment.
It combines four 1.8 m Auxilliary Telescopes or four 8m Unit Telescopes of the Very Large …
It combines four 1.8 m Auxilliary Telescopes or four 8m Unit Telescopes of the Very Large …
Phases in interferometry
JD Monnier - New Astronomy Reviews, 2007 - Elsevier
While interference fringes contain both amplitude and phase information, most
interferometric results published to date focus solely on the amplitude data. This is because …
interferometric results published to date focus solely on the amplitude data. This is because …
Imaging the surface of Altair
Spatially resolving the surfaces of nearby stars promises to advance our knowledge of
stellar physics. Using optical long-baseline interferometry, we constructed a near-infrared …
stellar physics. Using optical long-baseline interferometry, we constructed a near-infrared …
Imaging the spotty surface of Betelgeuse in the H band
X Haubois, G Perrin, S Lacour, T Verhoelst… - Astronomy & …, 2009 - aanda.org
Aims. This paper reports on H-band interferometric observations of Betelgeuse made at the
three-telescope interferometer IOTA. We image Betelgeuse and its asymmetries to …
three-telescope interferometer IOTA. We image Betelgeuse and its asymmetries to …
Radiative hydrodynamics simulations of red supergiant stars-II. Simulations of convection on Betelgeuse match interferometric observations
Context. The red supergiant (RSG) Betelgeuse is an irregular variable star. Convection may
play an important role in understanding this variability. Interferometric observations can be …
play an important role in understanding this variability. Interferometric observations can be …
High-resolution radio observations of the colliding-wind binary WR 140
SM Dougherty, AJ Beasley, MJ Claussen… - The Astrophysical …, 2005 - iopscience.iop.org
Abstract Milliarcsecond resolution Very Long Baseline Array (VLBA) observations of the
archetype W-R+ O star colliding-wind binary (CWB) system WR 140 are presented for 23 …
archetype W-R+ O star colliding-wind binary (CWB) system WR 140 are presented for 23 …
Bulk velocities, chemical composition, and ionization structure of the X-ray shocks in WR 140 near Periastron as revealed by the Chandra gratings
AMT Pollock, MF Corcoran, IR Stevens… - The Astrophysical …, 2005 - iopscience.iop.org
Abstract The Wolf-Rayet WC7+ O4-5 binary WR 140 went through the periastron passage of
its 8 yr eccentric binary orbit in early 2001 as the two stars made their closest approach. Both …
its 8 yr eccentric binary orbit in early 2001 as the two stars made their closest approach. Both …
Visual/infrared interferometry of Orion Trapezium stars: preliminary dynamical orbit and aperture synthesis imaging of the θ1 Orionis C system
Context. Located in the Orion Trapezium cluster, θ 1 Ori C is one of the youngest and
nearest high-mass stars (O5-O7) known. Besides its unique properties as a magnetic rotator …
nearest high-mass stars (O5-O7) known. Besides its unique properties as a magnetic rotator …
Imaging with the CHARA interferometer
E Pedretti, JD Monnier, T Ten Brummelaar… - New Astronomy …, 2009 - Elsevier
The very long baseline interferometer (VLBI) can achieve the highest angular resolution
imaging of any telescope at radio wavelengths using thousand-kilometre baselines. The …
imaging of any telescope at radio wavelengths using thousand-kilometre baselines. The …
First surface-resolved results with the infrared optical telescope array imaging interferometer: detection of asymmetries in asymptotic giant branch stars
S Ragland, WA Traub, JP Berger… - The Astrophysical …, 2006 - iopscience.iop.org
We have measured nonzero closure phases for about 29% of our sample of 56 nearby
asymptotic giant branch (AGB) stars, using the three-telescope Infrared Optical Telescope …
asymptotic giant branch (AGB) stars, using the three-telescope Infrared Optical Telescope …