Short communication (Scientific journals)
Detection of a Stellar Occultation by (87) Sylvia I (Romulus)
Berthier, J.; Frappa, E.; Klotz, A. et al.
2013In Central Bureau Electronic Telegrams
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Keywords :
Asteroids; Occultations
Abstract :
[en] Report of the successful stellar occultations by the triple minor-planet system (87) Sylvia on Jan. 6.06742 UT of the star HD 244394 (mag 10.8). twelve positive chords of the occultation by the primary, lasting between 4 s and 26 s, were successfully reported. Observations recorded by 4 teams permitted the detection of a brief (0.5-2 s) stellar occultation at the expected position of the large satellite Romulus. Preliminary analysis of the Romulus chords suggest that the shape of the satellite is extremely elongated or irregular (a/b > 2), with a major axis oriented toward the primary, and an equivalent diameter between 18 and 28 km.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Berthier, J.
Frappa, E.
Klotz, A.
Lecacheux, J.
Descamps, P.
Vachier, F.
Bendjoya, P.
Suarez, O.
Tanga, P.
Devogele, Maxime ;  Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Dubreuil, P.
Preston, S.
Language :
English
Title :
Detection of a Stellar Occultation by (87) Sylvia I (Romulus)
Publication date :
February 2013
Journal title :
Central Bureau Electronic Telegrams
Publisher :
Central Bureau for Astronomical Telegrams (CBAT), United Kingdom
Special issue title :
CBET 3398
Peer reviewed :
Peer reviewed
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