activity
20062026
most citedThe GRAVITY Young Stellar Object survey -- I. Probing the disks of Herbig Ae/Be stars in terrestrial orbits

71 citations · 315 across the 22 of their papers we have counts for

collaborators

22 papers

physics.optics2026★ 1 cited

New Method for Path-length Equalization of Long Single-mode Fibers for Interferometry

M. Anderson, J. D. Monnier, K. Ozdowy +2

The ability to use single mode (SM) fibers for beam transport in optical interferometry offers practical advantages over conventional long vacuum pipes. One challenge facing fiber…

astro-ph.IM2026

FIRST-PL: Commissioning the first visible photonic lantern spectrograph for sub-diffraction-limit astronomy on Subaru/SCExAO

Sebastien Vievard, Elsa Huby, Sylvestre Lacour +18

FIRST-PL (Fibered Imager foR a Single Telescope - Photonic Lantern) is a newly commissioned visible-light instrument on Subaru/SCExAO achieving spectroscopy below the diffraction l…

astro-ph.GA2024★ 48 cited

Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits

The GRAVITY Collaboration, Karim Abd El Dayem, Roberto Abuter +66

Studying the orbital motion of stars around Sagittarius A* in the Galactic Center provides a unique opportunity to probe the gravitational potential near the supermassive black hol…

astro-ph.IM2024

Spectral interferometric wavefront sensing: a solution for petalometry at Subaru/SCExAO

Vincent Deo, Sebastien Vievard, Manon Lallement +12

The petaling effect, induced by pupil fragmentation from the telescope spider, drastically affects the performance of high contrast instruments by inducing core splitting on the PS…

astro-ph.IM2024★ 4 cited

Spectroscopy using a visible photonic lantern at the Subaru telescope: Laboratory characterization and first on-sky demonstration on Ikiiki (α Leo) and `Aua (α Ori)

Sébastien Vievard, Manon Lallement, Sergio Leon-Saval +23

Photonic lanterns are waveguide devices enabling high throughput single mode spectroscopy and high angular resolution. We aim to present the first on-sky demonstration of a photoni…

astro-ph.IM2024

Visible Photonic Lantern integration, characterization and on-sky testing on Subaru/SCExAO

Sébastien Vievard, Manon Lallement, Sergio Leon-Saval +23

A Photonic Lantern (PL) is a novel device that efficiently converts a multi-mode fiber into several single-mode fibers. When coupled with an extreme adaptive optics (ExAO) system a…