activity
20182026
most citedA triple star system with a misaligned and warped circumstellar disk shaped by disk tearing

109 citations · 531 across the 60 of their papers we have counts for

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13 papers · 1 filter

astro-ph.IM2026

CHARA/SPICA: The six-telescope visible combiner and near-infrared fringe tracker for the CHARA Array

D. Mourard, P. Bério, C. Bailet +43

The suite called Stellar Parameters and Images with a Cophased Array (SPICA) has two interferometric instruments installed at the focus of the CHARA Array located at Mount Wilson,…

astro-ph.IM2024

CHARA/Silmaril Instrument Software and Data Reduction Pipeline: Characterization of the Instrument in the Lab and On-Sky

Narsireddy Anugu, Theo A. ten brummelaar, Cyprien Lanthermann +9

The newly installed Silmaril beam combiner at the CHARA array is designed to observe previously inaccessible faint targets, including Active Galactic Nuclei and T-Tauri Young Stell…

astro-ph.IM2022★ 1 cited

Design of the new CHARA instrument SILMARIL: pushing the sensitivity of a 3-beam combiner in the H- and K-bands

Cyprien Lanthermann, Theo ten Brummelaar, Peter Tuthill +5

Optical interferometry is a powerful technique to achieve high angular resolution. However, its main issue is its lack of sensitivity, compared to other observation techniques. Eff…

astro-ph.IM2020★ 3 cited

CHARA/MIRC-X -- a high-sensitive six telescope interferometric imager concept, commissioning, and early science

Narsireddy Anugu, Jean-Baptiste Le Bouquin, John D. Monnier +14

MIRC-X is a six telescope beam combiner at the CHARA array that works in J and H wavelength bands and provides an angular resolution equivalent to a =331m diameter telescope. Th…

astro-ph.IM2020

MARVEL, a four-telescope array for high-precision radial-velocity monitoring

Gert Raskin, Christian Schwab, Bart Vandenbussche +23

Since the first discovery of a planet outside of our Solar System in 1995, exoplanet research has shifted from detecting to characterizing worlds around other stars. The TESS (NASA…

astro-ph.IM2020

Optimizing MARVEL for the radial velocity follow-up of TESS and PLATO transiting exoplanets

Cyprien Lanthermann, Joris De Ridder, Hugues Sana +6

The space missions TESS and PLATO plan to double the number of 4000 exoplanets already discovered and will measure the size of thousands of exoplanets around the brightest stars in…

astro-ph.IM2020

A New Frontier for J-band Interferometry: Dual-band NIRInterferometry with MIRC-X

Aaron Labdon, John D. Monnier, Stefan Kraus +11

In this contribution we report on our work to increase the spectral range of the Michigan Infrared Combiner-eXeter (MIRC-X) instrument at the CHARA array to allow for dual H and J…

astro-ph.IM2020★ 1 cited

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

Narsireddy Anugu, Jean-Baptiste Le Bouquin, John D. Monnier +11

MIRC-X (Michigan InfraRed Combiner-eXeter) is a new highly-sensitive six-telescope interferometric imager installed at the CHARA Array that provides an angular resolution equivalen…

astro-ph.IM2019★ 2 cited

Modeling the e-APD SAPHIRA/C-RED ONE camera at low flux level: an attempt of photon counting in the near-infrared with the MIRC-X interferometric combiner

C. Lanthermann, N. Anugu, J. -B. Le Bouquin +3

We implement an electron avalanche photodiode (e-APD) in the MIRC-X instrument, upgrade of the 6-telescope near-infrared imager MIRC, at the CHARA array. This technology should imp…

astro-ph.IM2018★ 1 cited

MYSTIC: Michigan Young STar Imager at CHARA

John D. Monnier, Jean-Baptiste Le Bouquin, Narsireddy Anugu +6

We present the design for MYSTIC, the Michigan Young STar Imager at CHARA. MYSTIC will be a K-band, cryogenic, 6-beam combiner for the Georgia State University CHARA telescope arra…

astro-ph.IM2018★ 9 cited

Astronomical interferometry with near-IR e-APD at CHARA: characterization, optimization and on-sky operation

Cyprien Lanthermann, Jean-Baptiste Le Bouquin, Narsireddy Anugu +2

We characterize a near-infrared C-RED ONE camera from First Light Imaging (FLI). This camera uses a SAPHIRA electron avalanche photo-diode array (e-APD) from Leonardo (previously S…

astro-ph.IM2018★ 8 cited

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

Narsireddy Anugu, Jean-Baptiste Le Bouquin, John D. Monnier +9

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 M…

astro-ph.IM2018

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

Stefan Kraus, John D. Monnier, Narsireddy Anugu +7

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 milliarc…