The Lightcurve and Geometric Albedo of 433 Eros during the 1998 Apparition
作者： MD Hicks , BJ Buratti , DL Rabinowitz , Guy Genevier
关键词: Asteroid 、 Photometry (optics) 、 Physics 、 Geometric albedo 、 Rotation period 、 Astronomy 、 Telescope
摘要: Abstract We obtained R -band photometry of 433 Eros at the Table Mountain 0.6-m telescope during its 1998 apparition. Our five nights yields a rotational period P sid =5.27048±0.00064 h and visual geometric albedo for 0.27 +0.03 −0.06 , high, but within range S-type asteroids. Utilizing lightcurve data from 1974/1975 apparition we solved pole position (RA=00:46.9, DEC=+19:30.5; J2000) axial ratios 1.0:0.388:0.375, which are both significantly different previously derived values.
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