TY - JOUR
T1 - Photometric geodesy of main-belt asteroids. III. Additional lightcurves
AU - Weidenschilling, S. J.
AU - Chapman, C. R.
AU - Davis, D. R.
AU - Greenberg, R.
AU - Levy, D. H.
AU - Binzel, R. P.
AU - Vail, S. M.
AU - Magee, M.
AU - Spaute, D.
N1 - Funding Information:
1 Visiting Astronomer, Kitt Peak National Observatory, National Optical Astronomy Observatories, operated by the Association of Universities for Research in Astronomy, Inc., under contract with the National Science Foundation. 2 Present address: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ. 3 Present address: Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology. 4 Also, Flandran Planetarium, University of Arizona.
Funding Information:
We thank J. Drummond, A. Harris, W. Hartmann, C.-I. Lagerkvist, S. Ostro, and V. Zappahi for scientific discussions and advice. We also thank J. Spencer, W. Wisniewski, and K. Zeigler for providing their data in advance of publication. D. Tholen's contribution of his ephemeris program is gratefully acknowledged. Assistance with data processing was provided by J. Barnes, P. Brown, C. Kohout, and W. Yakowenko. Word processing and preparation of tabular data were capably performed by Alix Ott. This work was supported by the NASA Planetary Astronomy program under Contract No. NASW-4266. The Planetary Science Institute is a division of Science Applications International Corporation. This is PSI Contribution No. 273.
PY - 1990/8
Y1 - 1990/8
N2 - We present observations of asteroids obtained in the period 1982-1989, comprising 107 complete or partial lightcurves of 59 different objects. These include additional data on "Photometric Geodesy" program asteroids (Weidenschilling et al. 1987, Icarus 70, 191-245), obtained to determine their shapes and pole orientations (Drummond et al. 1988, Icarus 76, 19-77), and targets of opportunity observed during the course of that program. We derive new or refined rotation periods for 16 asteroids, and estimates of, or constraints on, periods for 8 more. Data presented here and in Paper I (Weidenschilling et al. 1987) suggest that unusual lightcurves with unequal maxima and minima at large amplitudes are seen preferentially for M-type asteroids.
AB - We present observations of asteroids obtained in the period 1982-1989, comprising 107 complete or partial lightcurves of 59 different objects. These include additional data on "Photometric Geodesy" program asteroids (Weidenschilling et al. 1987, Icarus 70, 191-245), obtained to determine their shapes and pole orientations (Drummond et al. 1988, Icarus 76, 19-77), and targets of opportunity observed during the course of that program. We derive new or refined rotation periods for 16 asteroids, and estimates of, or constraints on, periods for 8 more. Data presented here and in Paper I (Weidenschilling et al. 1987) suggest that unusual lightcurves with unequal maxima and minima at large amplitudes are seen preferentially for M-type asteroids.
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U2 - 10.1016/0019-1035(90)90227-Z
DO - 10.1016/0019-1035(90)90227-Z
M3 - Article
AN - SCOPUS:0000105034
VL - 86
SP - 402
EP - 447
JO - Icarus
JF - Icarus
SN - 0019-1035
IS - 2
ER -