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Characterization of Temporarily Captured Minimoon 2020 CD3 by Keck Time-resolved Spectrophotometry

  • Authors: Bryce T. Bolin, Christoffer Fremling, Timothy R. Holt, Matthew J. Hankins, Tomás Ahumada, Shreya Anand, Varun Bhalerao, Kevin B. Burdge, Chris M. Copperwheat, Michael Coughlin, Kunal P. Deshmukh, Kishalay De, Mansi M. Kasliwal, Alessandro Morbidelli, Josiah N. Purdum, Robert Quimby, Dennis Bodewits, Chan-Kao Chang, Wing-Huen Ip, Chen-Yen Hsu, Russ R. Laher, Zhong-Yi Lin, Carey M. Lisse, Frank J. Masci, Chow-Choong Ngeow, Hanjie Tan, Chengxing Zhai, Rick Burruss, Richard Dekany, Alexandre Delacroix, Dmitry A. Duev, Matthew Graham, David Hale, Shrinivas R. Kulkarni, Thomas Kupfer, Ashish Mahabal, Przemyslaw J. Mróz, James D. Neill, Reed Riddle, Hector Rodriguez, Roger M. Smith, Maayane T. Soumagnac, Richard Walters, Lin Yan, and Jeffry Zolkower

2020 The Astrophysical Journal Letters 900 L45.

  • Provider: AAS Journals

Caption: Figure 4.

Top panel: detrended H-magnitude light curve from 2020 March 23 UTC Keck I/LRIS B, g, V, and R observations of 2020 CD3 using a 0.″81 radius aperture. The error bars on the data points are equal to their 1σ photometric uncertainties. The data have been detrended, and points affected by trailed background stars have been removed. The data points are color-coded by their filters. Bottom panel: phased 2020 March 23 UTC Keck I/LRIS observations corresponding to a single-peak light-curve period of 573.4 s.

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