Size and Shape Constraints of (486958) Arrokoth from Stellar Occultations

  title={Size and Shape Constraints of (486958) Arrokoth from Stellar Occultations},
  author={M. Buie and S. Porter and P. Tamblyn and D. Terrell and A. Parker and D. Baratoux and M. Kaire and Rodrigo Leiva and A. Verbiscer and A. Zangari and F. Colas and Baidy Demba Diop and Joseph I. Samaniego and L. Wasserman and S. Benecchi and A. Caspi and S. Gwyn and J. Kavelaars and Adriana C. Ocampo Ur'ia and J. Rabassa and M. Skrutskie and Alejandro Soto and P. Tanga and E. Young and S. Stern and B. Andersen and Mauricio E. Arango P'erez and A. Arredondo and R. Artola and Abdoulaye Ba and Romuald Ballet and T. Blank and C. T. Bop and A. Bosh and Mat'ias Aar'on Camino L'opez and Christian M. Carter and J. Castro-Chac{\'o}n and Alfonso Javier Caycedo Desprez and N. Guerra and S. Conard and Jean-Luc Dauvergne and Bryan Dean and Michelle Dean and J. Desmars and A. Dieng and M. Dieng and O. Diouf and Gualbert S'eraphin Dorego and D. Dunham and J. Dunham and H. A. D. Luca and P. Edwards and N. Erasmus and G. Faye and M. Faye and L. Ferrario and C. L. Ferrell and T. Finley and W. Fraser and Alison J. Friedli and Juli{\'a}n Galvez Serna and E. Garc{\'i}a-Migani and A. Genade and Kai Getrost and R. Gil-Hutton and G. Gimeno and Eli Golub and Giovanni Francisco Gonz'alez Murillo and Michael D. Grusin and S. Gurovich and W. Hanna and Santiago M. Henn and P. C. Hinton and P. Hughes and J. Josephs and Raul Joya and J. Kammer and B. Keeney and J. Keller and E. Kramer and S. Levine and C. Lisse and A. Lovell and J. Mackie and Stanislav Makarchuk and L. Manzano and Salma Sylla Mbaye and M. Mbaye and R. Melia and F. Moreno and Sean K. Moss and Diene Ndaiye and M. Ndiaye and M. Nelson and C. Olkin and Aart M. Olsen and Victor Jonathan Ospina Moreno and J. Pasachoff and Mariana Belen Pereyra and M. Person and G. Pinz'on and E. Pulver and E. Quintero and J. Regester and A. Resnick and M. Reyes-Ruiz and Alex D. Rolfsmeier and Trina R. Ruhland and J. Salmon and P. Santos-Sanz and M. Santucho and Diana Karina Sep'ulveda Nino and A. Sickafoose and J. S. Silva and K. Singer and J. Skipper and S. Slivan and R. C. Smith and J. Spagnotto and A. Stephens and Samuel D. Strabala and F. Tamayo and H. Throop and A. Canas and L. Tour{\'e} and Alassane Traor{\'e} and C. Tsang and J. Turner and S. Vanegas and R. Venable and J. C. Wilson and C. Zuluaga and J. Zuluaga},
  journal={The Astronomical Journal},
We present the results from four stellar occultations by (486958) Arrokoth, the flyby target of the New Horizons extended mission. Three of the four efforts led to positive detections of the body, and all constrained the presence of rings and other debris, finding none. Twenty-five mobile stations were deployed for 2017 June 3 and augmented by fixed telescopes. There were no positive detections from this effort. The event on 2017 July 10 was observed by SOFIA with one very short chord. Twenty… Expand
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