[Iaude] CBET 4967: (3523) ARINA

quai at eps.harvard.edu quai at eps.harvard.edu
Thu May 27 09:26:33 EDT 2021


                                                  Electronic Telegram No. 4967
Central Bureau for Astronomical Telegrams
Mailing address:  Hoffman Lab 209; Harvard University;
 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbatiau at eps.harvard.edu (alternate cbat at iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


(3523) ARINA
     V. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov
Observatory; M. Husarik, M. Pikler, and G. Cervak, Skalnate Pleso Observatory;
A. Marchini, Dipartimento di Scienze Fisiche, Della Terra e Dell'Ambiente,
University of Siena; R. Papini and F. Salvaggio, Wild Boar Remote Observatory,
Florence, Italy; W. Cooney, Starry Night Observatory, Columbus, TX, U.S.A.; A.
Aznar, Isaac Aznar Observatory, Alcublas, Valencia, Spain; P. Santos-Sanz, A.
Sota, and F. J. Aceituno, Instituto de Astrofisica de Andalucia (IAA), CSIC,
Granada, Spain; R. Goncalves, Instituto Politecnico de Tomar (IPT), Portugal;
and R. Durkee, Shed of Science South Observatory, Pontotoc, TX, U.S.A., report
that photometric observations taken with a 0.35-m telescope at the Sopot
Observatory in Serbia, a 0.61-m telescope at the Skalnate Pleso Observatory,
a 0.30-m telescope at the Astronomical Observatory of the University of Siena,
a 0.23-m telescope at the Wild Boar Remote Observatory, a 0.50-m telescope at
the Starry Night Observatory, a 0.90-m telescope at the Sierra Nevada
Observatory of the IAA, a 0.35-m telescope at the IPT's Linhaceira
Observatory, and a 0.50-m telescope at the Shed of Science South Observatory
during Mar. 2-May 16 reveal that minor planet (3523) is a binary system with
an orbital period of 29.26 +/- 0.02 hr.  The primary shows a period of 2.6742
+/- 0.0001 hr and has a lightcurve amplitude of 0.08 magnitude at solar
phases 9-13 degrees, suggesting a nearly spheroidal shape.  Mutual eclipse/
occultation events that are 0.06 magnitude deep indicate a lower limit on the
secondary-to-primary mean-diameter ratio of 0.24.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2021 CBAT
2021 May 27                      (CBET 4967)              Daniel W. E. Green



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