Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...72..325f&link_type=abstract
Icarus (ISSN 0019-1035), vol. 72, Nov. 1987, p. 325-341. MIT-supported research.
Astronomy and Astrophysics
Astronomy
24
Asteroids, Astronomical Photometry, Planetary Rotation, Charge Coupled Devices, Light Curve, Tables (Data), Asteroids, Rotation, Trojan Asteroids, Ccd Methods, Photometry, Albedo, Optical Properties, Physical Properties, Earth-Based Observations, Shape, Telescope Methods, Lightcurves, Troilus, Deiphobus, Anchises, Pandarus, Amplitude, Models, Surface, Comparisons, Analysis, Procedure, Data, Equipment, Calculations, Period
Scientific paper
CCD observations made with the Cerro Tololo 0.9-m telescope of four L5 Trojan asteroids during June and July of 1986 are presented. Partial lightcurves for (1208) Troilus and (1867) Deiphobus suggest long periods (P > 24 hr). Complete lightcurves were obtained for two asteroids, (1173) Anchises (P = 11.6095±0.0036 hr, Δm = 0.57±0.01 mag) and (2674) Pandarus (P = 8.4803±0.0019, Δm = 0.58±0.01). The large lightcurve amplitudes are unique. The author suggests that the Trojans may represent a primordial asteroid population, with shapes not significantly altered since the formation of the solar system.
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