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22:00
8:30 - 9:00 (30min)
Registration
Register and collect name badges.
9:00 - 10:30 (1h30)
Welcome and Overview
MATISSE
Jeremy Jones
› Welcome
- Denis Mourard, Observatoire de la Cote d'Azur
09:00-09:10 (10min)
› CHARA Year in Review
- Douglas Gies, CHARA
09:10-09:30 (20min)
› Future Plans at the CHARA Array
- Gail Schaefer, The Center for High Angular Resolution Astronomy Array
09:30-09:50 (20min)
› From rebirth of optical interferometry to its future, some personal recollections.
- Pierre Léna, Observatoire de Paris & Université Paris-Cité
09:50-10:10 (20min)
› The promise of quantum interferometry
- Stephen Ridgway, NSF's National Optical-Infrared Astronomy Research Laboratory
10:10-10:30 (20min)
10:30 - 10:50 (20min)
Coffee break
10:50 - 12:30 (1h40)
SPICA Update, SPICA Science Results, and Evolved Stars
MATISSE
› SPICA progresses in 2024
- Denis Mourard, Laboratoire Lagrange (OCA, UNS, CNRS)
10:50-11:10 (20min)
› Study of surface brightness and magnetic activity of ISSP dwarf stars.
- Romina Ibañez-Bustos, Laboratoire Lagrange, Observatoire de la Côte d'Azur
11:10-11:30 (20min)
› Surface brightness color relations of Cepheids calibrated by optical interferometry
- Manon BAILLEUL, Observatoire de la Côte d'Azur
11:30-11:50 (20min)
› Long-term CHARA observations of Binary Cepheids
- Alexandre Gallenne, Universidad de Tarapaca
11:50-12:10 (20min)
› Observation of asteroseismic red giant stars with SPICA, MIRCx and MYSTIC
- Mathieu Vrard, Université Côte d'Azur
12:10-12:30 (20min)
12:30 - 14:00 (1h30)
Lunch
14:00 - 15:35 (1h35)
CHARA Staff Updates and Evolved Stars
› Current state of CHARA telescopes and Future plans
- Nic Scott, CHARA (Center for High Angular Resolution Astronomy) Array
14:00-14:15 (15min)
› Progress on the CHARA Michelson Pathfinder Project
- Edgar Ligon, CHARA (Center for High Angular Resolution Astronomy) Array
14:15-14:30 (15min)
› The new mobile Telescope at the CHARA array
- Rainer Koehler, The CHARA Array
14:30-14:45 (15min)
› Updates on adaptive optics systems
- Karolina Kubiak, CHARA (Center for High Angular Resolution Astronomy) Array
14:45-15:00 (15min)
› Update on Silmaril
- Cyprien Lanthermann, CHARA Array - Georgia State University
15:00-15:15 (15min)
› Imaging of Massive Evolved Stars at CHARA
- Narsireddy Anugu, CHARA
15:15-15:35 (20min)
15:35 - 16:10 (35min)
Coffee break
16:10 - 17:30 (1h20)
Evolved Stars and Imaging
› Exploring asymmetries in the dusty shell of the semi-regular variable V CVn with CHARA
- Nicolaus Steenken, Sternwarte Freimann - Amateur Astronomer
16:10-16:30 (20min)
› Radiative transfer modelling for the stellar merger remnant V838 Mon
- Muhammad Mobeen, Nicolaus Copernicus University [Toruń]
16:30-16:50 (20min)
› Radiative transfer simulations for interferometric observations of AGB stars
- Jon Hulberg, Catholic University of America
16:50-17:10 (20min)
› Limits of generative models for interferometric imaging
- Fabien Baron, Georgia State University
17:10-17:30 (20min)
18:00 - 22:00 (4h)
Banquet
9:00 - 10:40 (1h40)
CHARA Instruments and Research Tools
› MIRCX-MYSTIC Updates
- John Monnier, University of Michigan
09:00-09:20 (20min)
› Update from the Exeter group: MIRC-X upgrades and science
- Stefan Kraus, University of Exeter, Astrophysics Group
09:20-09:40 (20min)
› First results of photonic-based interferometry with the CHara ARray Integrated Optics Testbed (CHARIOT)
- Kevin Barjot, Universität zu Köln = University of Cologne
09:40-10:00 (20min)
› JMMC News & updates
- Laurent Bourgès, JMMC - CNRS
10:00-10:20 (20min)
› The Science Explorer : The new digital library of Space Science
- Simon Anghel, Laboratoire de Temps et Espace, Astronomical Institute of the Romanian Academy
10:20-10:40 (20min)
10:40 - 11:10 (30min)
Coffee break
11:10 - 12:30 (1h20)
Stellar Disks
› Probing the disks around young stellar objects in terrestrial orbits with GRAVITY at VLTI
- Karine Perraut, Institut de Planétologie et d'Astrophysique de Grenoble
11:10-11:30 (20min)
› Chromatic Imaging and Modeling of l Puppis with VLTI/MATISSE: Unveiling Disc Asymmetries in B[e] Stars
- Margaux Abello, Observatoire de la Côte d'Azur
11:30-11:50 (20min)
› Imaging the inner AU of Young Stellar Objects
- Noura Ibrahim, University of Michigan [Ann Arbor]
11:50-12:10 (20min)
› HD 143006: Interferometric Confirmation of Misaligned Protoplanetary Disc with CHARA/MIRCX and VLTI/PIONIER
- Isabelle Codron, University of Exeter
12:10-12:30 (20min)
12:30 - 14:00 (1h30)
Lunch
14:00 - 15:30 (1h30)
Partner Interferometers, Instruments, and CHARA Staff Updates
› Current Status of the Magdalena Ridge Observatory Interferometer
- David Buscher, University of Cambridge
14:00-14:20 (20min)
› Updates from the VLTI
- Antoine Merand, European Southern Observatory
14:20-14:40 (20min)
› SPINER: Testing the feasibility of a spectro-interferometric-échelle beam combiner.
- Jeronimo Calderon Gomez, Université Côte d'Azur, Università degli Studi di Roma Tor Vergata [Roma, Italia] = University of Rome Tor Vergata [Rome, Italy] = Université de Rome Tor Vergata [Rome, Italie]
14:40-15:00 (20min)
› Dual-Star Interferometry at the CHARA Array
- Narsireddy Anugu, CHARA
15:00-15:15 (15min)
› Overview of Modifications to the CHARA Array Delay Lines
- Nils Turner, Georgia State University - CHARA Array
15:15-15:30 (15min)
15:30 - 16:00 (30min)
Coffee break
16:00 - 17:30 (1h30)
CHARA Staff Updates and Stellar Fundamental Parameters
› CHARA Operations and Scheduling
- Christopher Farrington, CHARA (Center for High Angular Resolution Astronomy) Array
16:00-16:15 (15min)
› CHARA Remote Operations and Data Access
- Jeremy Jones, CHARA (Center for High Angular Resolution Astronomy) Array
16:15-16:30 (15min)
› One big exoplanet family: A detailed look into the properties of the HD 219134 multi-planet system
- Ashley Elliott, Department of Physics & Astronomy [Louisiana State University]
16:30-16:50 (20min)
› A Study of Rotation, Convection, and Activity Across the Kraft Break
- Colin Kane, Georgia State University
16:50-17:10 (20min)
› Interferometry and Sun-like Stars
- Rachael Roettenbacher, University of Michigan
17:10-17:30 (20min)
9:00 - 10:40 (1h40)
Stellar Fundamental Parameters and Binary Stars
› Determination of fundamental parameters of stars using Interferometry.
- N. Ebrahimkutty, Observatoire de la Côte d'Azur
09:00-09:20 (20min)
› Uncoupling Gaia's blended binaries with Heimdallr and CHARA: precision masses for Galactic archaeology
- Ireland Michael, Australian National University
09:20-09:40 (20min)
› Calibrating asteroseismology scaling relation by CHARA observation on Gaia binaries
- Yi Lu, School of Physics and Astronomy [Exeter]
09:40-10:00 (20min)
› First results of the CHARA/SPICA ISSP binary program
- Juraj Jonák, Observatoire de la Côte d'Azur
10:00-10:20 (20min)
› The Radius Inflation Problem: Ditching Eclipsing Binaries
- Becky Flores, Department of Physics & Astronomy, Georgia State University, The Center for High Angular Resolution Astronomy Array
10:20-10:40 (20min)
10:40 - 11:10 (30min)
Coffee break
11:10 - 12:30 (1h20)
The Future of CHARA and Optical Interferometry
› Summary of the long-term prospective meeting, April 25th 2025
- Denis Mourard, Laboratoire Lagrange (OCA, UNS, CNRS)
11:10-11:30 (20min)
› Discussion of the short- and long-term priorities for CHARA
- Gail Schaefer, The Center for High Angular Resolution Astronomy Array - Douglas Gies, CHARA
11:30-12:30 (1h)
12:30 - 14:00 (1h30)
Lunch
