EDP Sciences
Free Access
Volume 465, Number 1, April I 2007
Page(s) 331 - 337
Section Planets and planetary systems
DOI https://doi.org/10.1051/0004-6361:20066347
Published online 22 January 2007

A&A 465, 331-337 (2007)
DOI: 10.1051/0004-6361:20066347

Physical models of ten asteroids from an observers' collaboration network

J. Durech1, 2, M. Kaasalainen2, A. Marciniak3, W. H. Allen4, R. Behrend5, C. Bembrick6, T. Bennett7, L. Bernasconi8, J. Berthier9, G. Bolt10, S. Boroumand11, L. Crespo da Silva11, R. Crippa12, M. Crow13, R. Durkee14, R. Dymock15, M. Fagas3, M. Fauerbach7, S. Fauvaud16, 17, M. Frey18, R. Gonçalves19, R. Hirsch3, D. Jardine20, K. Kaminski3, R. Koff21, T. Kwiatkowski3, A. López22, F. Manzini12, T. Michalowski3, R. Pacheco22, M. Pan11, F. Pilcher20, R. Poncy23, D. Pray24, W. Pych25, R. Roy26, G. Santacana16, S. Slivan18, 11, S. Sposetti27, R. Stephens28, B. Warner29, and M. Wolf1

1  Astronomical Institute, Charles University in Prague V Holesovickách 2, 18000 Prague, Czech Republic
    e-mail: durech@sirrah.troja.mff.cuni.cz
2  Department of Mathematics and Statistics, Rolf Nevanlinna Institute, University of Helsinki, PO Box 68, 00014 Helsinki, Finland
3  Astronomical Observatory, A. Mickiewicz University, Sloneczna 36, 60-286 Poznan, Poland
4  Vintage Lane Observatory, 83 Vintage Lane, RD3, Blenheim, New Zealand
5  Geneva Observatory, 1290 Sauverny, Switzerland
6  Mt Tarana Observatory, PO Box 1537, Bathurst, NSW 2795, Australia
7  Florida Gulf Coast University, 10501 FGCU Boulevard South, Fort Myers, FL 33965, USA
8  Observatoire des Engarouines, 84570 Mallemort-du-Comtat, France
9  Institut de mécanique céleste et de calcul des éphémérides, Observatoire de Paris, 77 Av. Denfert Rochereau, 75014 Paris, France
10  295 Camberwarra Drive, Craigie, WA 6025, Australia
11  Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, USA
12  Stazione Astronomica di Sozzago, 28060 Sozzago, Italy
13  The WW Crow Observatory, 118 Mill Road, Hawley, Kent, DA2 7RT, England
14  Shed of Science Observatory, 5213 Washburn Ave. S., Minneapolis, MN 55410, USA
15  67 Haslar Crescent, Waterlooville, Hampshire, PO7 6DD, England
16  Association AstroQueyras, Le Bois de Bardon, 16110 Taponnat, France
17  Groupe Européen d'Observations Stellaires (GEOS), 23 Parc de Levesville, 28300 Bailleau l'Evêque, France
18  Department of Astronomy, Whitin Observatory, Wellesley College, 106 Central Street, Wellesley, MA 02481, USA
19  Linhaceira Observatory, Instituto Politècnico de Tomar, 2300-313, Tomar, Portugal
20  Illinois College, 1101 West College Avenue, Jacksonville, IL 62650, USA
21  Antelope Hills Observatory, 980 Antelope Drive West, Bennett, CO 80102, USA
22  Observatori Astronomic de Consell, Mallorca, Spain
23  2 rue des Écoles 34920, Le Crès, France
24  Carbuncle Hill Observatory, PO Box 946, Coventry, RI 02816, USA
25  Copernicus Astronomical Center, Bartycka 18, 00-716 Warszawa, Poland
26  Observatoire de Blauvac, 84570 St-Estève, France
27  Observatorio di Gnosca, 6525 Gnosca, Switzerland
28  Goat Mountain Astronomical Research Station, 11355 Mount Johnson Court, Rancho Cucamonga, CA 91737, USA
29  Palmer Divide Observatory, 17995 Bakers Farm Rd., Colorado Springs, CO 80908, USA

(Received 5 September 2006 / Accepted 14 December 2006)

Aims.We present physical models of ten asteroids obtained by means of lightcurve inversion. A substantial part of the photometric data was observed by amateur astronomers. We emphasize the importance of a coordinated network of observers that will be of extreme importance for future all-sky asteroid photometric surveys.
Methods.The lightcurve inversion method was used to derive spin states and shape models of the asteroids.
Results.We derived spin states and shape model for ten new asteroids: (110) Lydia , (125) Liberatrix , (130) Elektra , (165) Loreley , (196) Philomela , (218) Bianca , (306) Unitas , (423) Diotima , (776) Berbericia , and (944) Hidalgo . This increases the number of asteroid models up to nearly one hundred.

Key words: minor planets, asteroids

© ESO 2007

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