MIRC-X: a highly sensitive six-telescope interferometric imager at the CHARA array

N Anugu, JB Le Bouquin, JD Monnier… - The Astronomical …, 2020 - iopscience.iop.org
Abstract Michigan InfraRed Combiner-eXeter (MIRC-X) is a new highly sensitive six-
telescope interferometric imager installed at the CHARA Array that provides an angular …

The Great Dimming of the hypergiant star RW Cephei: CHARA Array images and spectral analysis

N Anugu, F Baron, DR Gies… - The Astronomical …, 2023 - iopscience.iop.org
The cool hypergiant star RW Cephei is currently in a deep photometric minimum that began
several years ago. This event bears a strong similarity to the Great Dimming of the red …

Imaging the inner astronomical unit of the Herbig Be star HD 190073

N Ibrahim, JD Monnier, S Kraus… - The Astrophysical …, 2023 - iopscience.iop.org
The inner regions of protoplanetary disks host many complex physical processes such as
star–disk interactions, magnetic fields, planet formation, and the migration of new planets. To …

The Orbit and Mass of the Cepheid AW Per∗

NR Evans, A Gallenne, P Kervella… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The Cepheid AW Per is a component in a multiple system with a long-period orbit.
The radial velocities of Griffin cover the 38 yr orbit well. An extensive program of …

Three-dimensional orbit of AC Her determined: Binary-induced truncation cannot explain the large cavity in this post-AGB transition disk

N Anugu, J Kluska, T Gardner, JD Monnier… - The Astrophysical …, 2023 - iopscience.iop.org
Some evolved binaries, namely post–asymptotic giant branch (AGB) binaries, are
surrounded by stable and massive circumbinary disks similar to protoplanetary disks found …

The Small Separation A-star Companion Population: First Results with CHARA/MIRC-X

M De Furio, T Gardner, J Monnier… - The Astrophysical …, 2022 - iopscience.iop.org
We present preliminary results from our long-baseline interferometry (LBI) survey to
constrain the multiplicity properties of intermediate-mass A-type stars within 80 pc. Previous …

Enabling discoveries: a review of 30 years of advanced technologies and instrumentation at the National Science Foundation

P Kurczynski, S Milojević - Journal of Astronomical Telescopes …, 2020 - spiedigitallibrary.org
Over its more than 30-year history, the Advanced Technologies and Instrumentation (ATI)
program has provided grants to support technology development and instrumentation for …

MIRC-X/CHARA: sensitivity improvements with an ultra-low noise SAPHIRA detector

N Anugu, JB Le Bouquin, JD Monnier… - Optical and Infrared …, 2018 - spiedigitallibrary.org
MIRC-X is an upgrade of the six-telescope infrared beam combiner at the CHARA telescope
array, the world's largest baseline interferometer in the optical/infrared, located at the Mount …

Six-telescope integrated optics beam combiner fabricated using ultrafast laser inscription for J-and H-band astronomy

AN Dinkelaker, S Smarzyk, AS Nayak, S Piacentini… - Applied Optics, 2023 - opg.optica.org
We have built and characterized, to our knowledge, the first six-telescope discrete beam
combiner (DBC) for stellar interferometry in the astronomical J-band. It is the DBC with the …

The MIRC-X 6-telescope imager: key science drivers, instrument design and operation

S Kraus, JD Monnier, N Anugu… - Optical and Infrared …, 2018 - spiedigitallibrary.org
MIRC-X is a new beam combination instrument at the CHARA array that enables 6-
telescope interferometric imaging on object classes that until now have been out of reach for …