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We report lightcurve periods for ten main-belt asteroids observed at the Evelyn L. Egan Observatory: 26 Proserpina, 78 Diana, 242 Kriemhild, 287 Nephthys, 348 May, 368 Haidea, 446 Aeternitas, 872 Holda, 905 Universitas, and 1013 Tombecka.
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Citations
... Aeternitas was observed during six nights in 2009 April for a duration of ~25 hours (Table 1). 446 Aeternitas has previously reported rotational periods of 15.85 ± 0.01 h (Florczak et al., 1997), 15.736 ± 0.001 h (Fauerbach et al., 2008), and 15.7413 ± 0.0004 h . Our result is in excellent agreement with the latter two periods and we present the lightcurve of 446 Aeternitas with the best-fit period of 15.740 ± 0.003 h with an amplitude of ~ 0.40 mag. ...
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