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Stellar Occultation Observations of (38628) Huya and Its Satellite: A Detailed Look into the System

  • Authors: F. L. Rommel, E. Fernández-Valenzuela, B. C. N. Proudfoot, J. L. Ortiz, B. E. Morgado, B. Sicardy, N. Morales, F. Braga-Ribas, J. Desmars, R. Vieira-Martins, B. J. Holler, Y. Kilic, W. Grundy, J. L. Rizos, J. I. B. Camargo, G. Benedetti-Rossi, A. Gomes-Júnior, M. Assafin, P. Santos-Sanz, M. Kretlow, M. Vara-Lubiano, R. Leiva, D. A. Ragozzine, R. Duffard, H. Kučáková, K. Hornoch, V. Nikitin, T. Santana-Ros, O. Canales-Moreno, D. Lafuente-Aznar, S. Calavia-Belloc, C. Perelló, A. Selva, F. Organero, L. A. Hernandez, I. de la Cueva, M. Yuste-Moreno, E. García-Navarro, J. E. Donate-Lucas, L. Izquierdo-Carrión, R. Iglesias-Marzoa, E. Lacruz, R. Gonçalves, B. Staels, R. Goossens, A. Henden, G. Walker, J. A. Reyes, S. Pastor, S. Kaspi, M. Skrutskie, A. J. Verbiscer, P. Martinez, P. André, J. L. Maestre, F. J. Aceituno, P. Bacci, M. Maestripieri, M. D. Grazia, A. J. Castro-Tirado, I. Pérez-Garcia, E. J. Fernández García, E. Fernández, S. Messner, G. Scarfi, H. Mikuž, J. Prat, P. Martorell, D. Nardiello, V. Nascimbeni, R. Sfair, P. B. Siqueira, V. Lattari, L. Liberato, T. F. L. L. Pinheiro, T. de Santana, C. L. Pereira, M. A. Alava-Amat, F. Ciabattari, H. González-Rodriguez, C. Schnabel

F. L. Rommel et al 2025 The Planetary Science Journal 6 .

  • Provider: AAS Journals

Caption: Figure 4.

Stellar occultation by Huya on 2023 June 24 with the location of the stations that had inconclusive results indicated by gray dotted lines, the positive detections represented by colorful solid lines, and the red segments denoting the 1σ uncertainties. The light-green segments represent the exposure times recorded at the Belesta Observatory, corresponding to the closest negative chord to the north of the observed profile. The dark-green dashes indicate the exposure times captured at the Albox station, which corresponds to the closest negative chord to the south of the observed limb. The white space between the dashes reflects the readout time between exposures at both stations. The black ellipse is the best limb solution using the (a) 2023 Free and (b) 2023 Restrict approaches, respectively. The gray region represents the 1σ uncertainty for each limb determination approach. The direction of the shadow’s movement is indicated by the black arrow.

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