activity
20162023
most citedThe two rings of (50000) Quaoar

57 citations · 136 across the 7 of their papers we have counts for

collaborators

8 papers

astro-ph.EP2024

Constraints on Triton atmospheric evolution from occultations: 1989-2022

B. Sicardy, A. Tej, A. R. Gomes-Junior +49

Context - Around the year 2000, Triton's south pole experienced an extreme summer solstice that occurs every about 650 years, when the subsolar latitude reached about 50°. Bracketi…

astro-ph.EP202323 cited

A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS measured from stellar occultations

F. L. Rommel, F. Braga-Ribas, J. L. Ortiz +201

This work aims at constraining the size, shape, and geometric albedo of the dwarf planet candidate 2002 MS4 through the analysis of nine stellar occultation events. Using multichor…

astro-ph.EP202321 cited

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

Felipe Braga-Ribas, C. L. Pereira, B. Sicardy +24

After the discovery of rings around the largest known Centaur object, (10199) Chariklo, we carried out observation campaigns of stellar occultations produced by the second-largest…

astro-ph.EP202357 cited

The two rings of (50000) Quaoar

C. L. Pereira, B. Sicardy, B. E. Morgado +66

Quaoar is a classical Trans-Neptunian Object (TNO) with an area equivalent diameter of 1,100 km and an orbital semi-major axis of 43.3 astronomical units. Based on stellar occultat…

astro-ph.EP202212 cited

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

B. E. Morgado, G. Bruno, A. R. Gomes-Júnior +82

Stellar occultation is a powerful technique that allows the determination of some physical parameters of the occulting object. The result depends on the photometric accuracy, the t…

astro-ph.EP202114 cited

Pluto's atmosphere in plateau phase since 2015 from a stellar occultation at Devasthal

Bruno Sicardy, Nagarhalli M. Ashok, Anandmayee Tej +13

A stellar occultation by Pluto was observed on 6 June 2020 with the 1.3-m and 3.6-m telescopes located at Devasthal, Nainital, India, using imaging systems in the I and H bands, re…