Roberto Ragazzoni

TL;DR: In this article, the authors used four simulated natural guide stars and one deformable mirror to measure and correct turbulence-induced distortions over a small angular area with a radius of ∼3 centered on the guide star.

TL;DR: The JANUS (Jovis Amorum Ac Natorum Undique Scrutator) is a high-resolution visible camera designed for the ESA space mission JUICE (Jupiter Icy moons Explorer) as mentioned in this paper.

TL;DR: The Layer Oriented Wavefront Sensor for MAD has been used in the sky to achieve science and the preliminary results from a six night run and the perspectives in terms of achieved performances and projections of sky coverage for slightly more sophisticated system like the Multiple Field of View one are shown indicating that the sensor is keeping its promises.

TL;DR: In this paper, the authors present a novel technique to alleviate the problem of the global tilt in artificial guide stars for adaptive optics based on the registration of trails of radio-excited plasma spots caused by the atmospheric tilt.

TL;DR: In this paper , a long-period transiting Neptune-mass planet orbiting the G7-type star TOI-5678 was discovered. But the authors only used the TESS data to solve the orbital periods of TESS duo-transit candidates with the use of additional space-based photometric observations and collect follow-up spectroscopic observations in order to confirm the planetary nature and measure the mass of the candidates.