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 …

The hot main Kuiper Belt size distribution from OSSOS

JM Petit, B Gladman, JJ Kavelaars… - The Astrophysical …, 2023 - iopscience.iop.org
Using the absolute detection calibration and abundant detections of the Outer Solar System
Origins Survey project, we provide population measurements for the main Kuiper Belt. For …

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 Centaur (60558) 174P/Echeclus from stellar occultations

CL Pereira, F Braga-Ribas, B Sicardy… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT The Centaur (60558) Echeclus was discovered on 2000 March 03, orbiting
between the orbits of Jupiter and Uranus. After exhibiting frequent outbursts, it also received …

Occultation portal: A web-based platform for data collection and analysis of stellar occultations

Y Kilic, F Braga-Ribas, M Kaplan… - Monthly Notices of …, 2022 - academic.oup.com
Recording a stellar occultation is one powerful method that gives direct information about
the physical properties of the occulting Solar system object. In order to obtain reliable and …

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) …

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 …