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- W2100079982 abstract "Since 2001 we have been using adaptive optics instruments on Palomar, Keck, and the Very Large Telescope (VLT) to conduct sub-arcsecond observations of a large sample of main belt asteroids. With 13 nights at Palomar, 9 nights at Keck, and 3 nights at VLT, we performed 725 observing sequences (an average of 29 objects per night) with very consistent observing parameters. Of all asteroids numbered between 1 and 1000, 382 have been observed at least once. About 10% of observations were performed in appulse. We discovered asteroid satellites to 22 Kalliope (M/X), 87 Sylvia (P/X), 379 Huenna (B/C), and 702 Alauda (C/B), with types from Tholen/SMASS taxonomies listed in parentheses [1]. The orbits have been fully characterized and we provided the first density measurements to asteroids of taxonomic types M, P, and B [2, 3, 4]. The mass of 22 Kalliope and its 181 ± 4.6 km IRAS diameter yield a density of 2.4 ± 0.4 g cm [2]. The mass of 87 Sylvia and its 261± 13.3 km IRAS diameter yield a density of 1.6 ± 0.3 g cm [3]. The mass of 702 Alauda and its 194.7± 3.2 km IRAS diameter yield a density of 1.6 ± 0.2 gcm [4]. The first two masses have been subsequently confirmed." @default.
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- W2100079982 date "2008-01-01" @default.
- W2100079982 modified "2023-09-26" @default.
- W2100079982 title "Discovery and Characterization of Binary Asteroids with Adaptive Optics" @default.
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