Physical models of ten asteroids from an observers' collaboration network (original) (raw)

A&A 465, 331-337 (2007)

1,2, 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. Kamiński3, R. Koff21, T. Kwiatkowski3, A. López22, F. Manzini12, T. Michałowski3, 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 Holešovičkách 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, Słoneczna 36, 60-286 Poznań, 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

Abstract

_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

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