Differential aperture photometry and digital coronagraphy with PRAIA

M Assafin - Planetary and Space Science, 2023 - Elsevier
PRAIA–Package for the Reduction of Astronomical Images Automatically–is a suite of
photometric and astrometric tasks designed to cope with huge amounts of heterogeneous …

SORA: Stellar occultation reduction and analysis

AR Gomes-Júnior, BE Morgado… - Monthly Notices of …, 2022 - academic.oup.com
The stellar occultation technique provides competitive accuracy in determining the sizes,
shapes, astrometry, etc., of the occulting body, comparable to in-situ observations by …

Constraints on (2060) Chiron's size, shape, and surrounding material from the November 2018 and September 2019 stellar occultations

F Braga-Ribas, CL Pereira, B Sicardy, JL Ortiz… - Astronomy & …, 2023 - aanda.org
Context. After the discovery of rings around the largest known Centaur object,(10199)
Chariklo, we carried out observation campaigns of stellar occultations produced by the …

Refined physical parameters for Chariklo's body and rings from stellar occultations observed between 2013 and 2020

BE Morgado, B Sicardy, F Braga-Ribas… - Astronomy & …, 2021 - aanda.org
Context. The Centaur (10199) Chariklo has the first ring system discovered around a small
object. It was first observed using stellar occultation in 2013. Stellar occultations allow sizes …

Astrometry with PRAIA

M Assafin - Planetary and Space Science, 2023 - Elsevier
PRAIA–Package for the Reduction of Astronomical Images Automatically–is a suite of
astrometric and photometric tasks designed to cope with huge amounts of heterogeneous …

Physical properties of the trans-Neptunian object (38628) Huya from a multi-chord stellar occultation

P Santos-Sanz, JL Ortiz, B Sicardy, M Popescu… - Astronomy & …, 2022 - aanda.org
Context. As part of our international program aimed at obtaining accurate physical properties
of trans-Neptunian objects (TNOs), we predicted a stellar occultation by the TNO (38628) …

A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS

BE Morgado, G Bruno, AR Gomes-Júnior… - Astronomy & …, 2022 - aanda.org
Context. Stellar occultation is a powerful technique that allows the determination of some
physical parameters of the occulting object. The result depends on the photometric …

Asteroid astrometry by stellar occultations: Accuracy of the existing sample from orbital fitting

JF Ferreira, P Tanga, F Spoto, P Machado… - Astronomy & …, 2022 - aanda.org
Context. The technique of stellar occultations, greatly enhanced by the publication of the
Gaia data releases, permits not only the determination of asteroid size and shape, but also …

Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions

P Wajer, H Rickman, B Kowalski, T Wiśniowski - Icarus, 2024 - Elsevier
In this paper we report on massive computer simulations aimed to clarify the formation of an
Oort Cloud and the adjoining sednoid population during the earliest times of the solar …

Quantum Astronomy at the University and INAF Astronomical Observatory of Padova, Italy

C Barbieri, G Naletto, L Zampieri - Astronomy, 2023 - mdpi.com
Twenty years ago, we started to apply quantum optics to the astronomical research carried
out inside the Department of Physics and Astronomy and the INAF Astronomical Observatory …