The size, shape, density and ring of the dwarf planet Haumea from a stellar occultation

Ortiz, J. L.; Santos-Sanz, P.; Sicardy, B.; Benedetti-Rossi, G.; Bérard, D.; Morales, N.; Duffard, R.; Braga-Ribas, F.; Hopp, U.; Ries, C.; Nascimbeni, V.; Marzari, F.; Granata, V.; Pál, A.; Kiss, C.; Pribulla, T.; Komžík, R.; Hornoch, K.; Pravec, P.; Bacci, P.; Maestripieri, M.; Nerli, L.; Mazzei, L.; Bachini, M.; Martinelli, F.; Succi, G.; Ciabattari, F.; Mikuz, H.; Carbognani, A.; Gaehrken, B.; Mottola, S.; Hellmich, S.; Rommel, F. L.; Fernández-Valenzuela, E.; Bagatin, A. Campo; Cikota, S.; Cikota, A.; Lecacheux, J.; Vieira-Martins, R.; Camargo, J. I. B.; Assafin, M.; Colas, F.; Behrend, R.; Desmars, J.; Meza, E.; Alvarez-Candal, A.; Beisker, W.; Gomes-Junior, A. R.; Morgado, B. E.; Roques, F.; Vachier, F.; Berthier, J.; Mueller, T. G.; Madiedo, J. M.; Unsalan, O.; Sonbas, E.; Karaman, N.; Erece, O.; Koseoglu, D. T.; Ozisik, T.; Kalkan, S.; Guney, Y.; Niaei, M. S.; Satir, O.; Yesilyaprak, C.; Puskullu, C.; Kabas, A.; Demircan, O.; Alikakos, J.; Charmandaris, V.; Leto, G.; Ohlert, J.; Christille, J. M.; Szakáts, R.; Farkas, A. Takácsné; Varga-Verebélyi, E.; Marton, G.; Marciniak, A.; Bartczak, P.; Santana-Ros, T.; Butkiewicz-Bąk, M.; Dudziński, G.; Alí-Lagoa, V.; Gazeas, K.; Tzouganatos, L.; Paschalis, N.; Tsamis, V.; Sánchez-Lavega, A.; Pérez-Hoyos, S.; Hueso, R.; Guirado, J. C.; Peris, V.; Iglesias-Marzoa, R.

The size, shape, density and ring of the dwarf planet Haumea from a stellar occultation

J. L. Ortiz (), P. Santos-Sanz, B. Sicardy, G. Benedetti-Rossi, D. Bérard, N. Morales, R. Duffard, F. Braga-Ribas, U. Hopp, C. Ries, V. Nascimbeni, F. Marzari, V. Granata, A. Pál, C. Kiss, T. Pribulla, R. Komžík, K. Hornoch, P. Pravec, P. Bacci, M. Maestripieri, L. Nerli, L. Mazzei, M. Bachini, F. Martinelli, G. Succi, F. Ciabattari, H. Mikuz, A. Carbognani, B. Gaehrken, S. Mottola, S. Hellmich, F. L. Rommel, E. Fernández-Valenzuela, A. Campo Bagatin, S. Cikota, A. Cikota, J. Lecacheux, R. Vieira-Martins, J. I. B. Camargo, M. Assafin, F. Colas, R. Behrend, J. Desmars, E. Meza, A. Alvarez-Candal, W. Beisker, A. R. Gomes-Junior, B. E. Morgado, F. Roques, F. Vachier, J. Berthier, T. G. Mueller, J. M. Madiedo, O. Unsalan, E. Sonbas, N. Karaman, O. Erece, D. T. Koseoglu, T. Ozisik, S. Kalkan, Y. Guney, M. S. Niaei, O. Satir, C. Yesilyaprak, C. Puskullu, A. Kabas, O. Demircan, J. Alikakos, V. Charmandaris, G. Leto, J. Ohlert, J. M. Christille, R. Szakáts, A. Takácsné Farkas, E. Varga-Verebélyi, G. Marton, A. Marciniak, P. Bartczak, T. Santana-Ros, M. Butkiewicz-Bąk, G. Dudziński, V. Alí-Lagoa, K. Gazeas, L. Tzouganatos, N. Paschalis, V. Tsamis, A. Sánchez-Lavega, S. Pérez-Hoyos, R. Hueso, J. C. Guirado, V. Peris and R. Iglesias-Marzoa
Additional contact information
J. L. Ortiz: Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía S/N
P. Santos-Sanz: Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía S/N
B. Sicardy: LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Universités Paris 06, Universités Paris Diderot
G. Benedetti-Rossi: Observatório Nacional/MCTIC
D. Bérard: LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Universités Paris 06, Universités Paris Diderot
N. Morales: Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía S/N
R. Duffard: Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía S/N
F. Braga-Ribas: Observatório Nacional/MCTIC
U. Hopp: Universitäts-Sternwarte München, München
C. Ries: Universitäts-Sternwarte München, München
V. Nascimbeni: ‘G. Galilei’, Università degli Studi di Padova
F. Marzari: University of Padova
V. Granata: ‘G. Galilei’, Università degli Studi di Padova
A. Pál: Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
C. Kiss: Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
T. Pribulla: Astronomical Institute, Slovak Academy of Sciences
R. Komžík: Astronomical Institute, Slovak Academy of Sciences
K. Hornoch: Astronomical Institute, Academy of Sciences of the Czech Republic
P. Pravec: Astronomical Institute, Academy of Sciences of the Czech Republic
P. Bacci: Astronomical Observatory San Marcello Pistoiese CARA Project, San Marcello Pistoiese
M. Maestripieri: Astronomical Observatory San Marcello Pistoiese CARA Project, San Marcello Pistoiese
L. Nerli: Astronomical Observatory San Marcello Pistoiese CARA Project, San Marcello Pistoiese
L. Mazzei: Astronomical Observatory San Marcello Pistoiese CARA Project, San Marcello Pistoiese
M. Bachini: Osservatorio astronomico di Tavolaia
F. Martinelli: Lajatico Astronomical Centre
G. Succi: Osservatorio astronomico di Tavolaia
F. Ciabattari: Osservatorio Astronomico di Monte Agliale, Via Cune Motrone
H. Mikuz: Črni Vrh Observatory
A. Carbognani: Astronomical Observatory of the Autonomous Region of the Aosta Valley (OAVdA)
B. Gaehrken: Bayerische Volkssternwarte München
S. Mottola: German Aerospace Center (DLR), Institute of Planetary Research
S. Hellmich: German Aerospace Center (DLR), Institute of Planetary Research
F. L. Rommel: Federal University of Technology-Paraná (UTFPR/DAFIS)
E. Fernández-Valenzuela: Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía S/N
A. Campo Bagatin: Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante
S. Cikota: University of Zagreb, Faculty of Electrical Engineering and Computing
A. Cikota: European Southern Observatory
J. Lecacheux: LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Universités Paris 06, Universités Paris Diderot
R. Vieira-Martins: Observatório Nacional/MCTIC
J. I. B. Camargo: Observatório Nacional/MCTIC
M. Assafin: Observatório do Valongo/UFRJ
F. Colas: IMCCE/Observatoire de Paris
R. Behrend: Observatoire de Genève
J. Desmars: LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Universités Paris 06, Universités Paris Diderot
E. Meza: LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Universités Paris 06, Universités Paris Diderot
A. Alvarez-Candal: Observatório Nacional/MCTIC
W. Beisker: International Occultation Timing Association—European Section (IOTA-ES) Bartold-Knausstraße 8
A. R. Gomes-Junior: Observatório do Valongo/UFRJ
B. E. Morgado: Observatório Nacional/MCTIC
F. Roques: LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Universités Paris 06, Universités Paris Diderot
F. Vachier: IMCCE/Observatoire de Paris
J. Berthier: IMCCE/Observatoire de Paris
T. G. Mueller: Max-Planck-Institut für Extraterrestrische Physik
J. M. Madiedo: Facultad de Ciencias Experimentales, Universidad de Huelva, Avenida de las Fuerzas Armadas
O. Unsalan: Ege University, Faculty of Science
E. Sonbas: University of Adiyaman
N. Karaman: University of Adiyaman
O. Erece: TUBITAK National Observatory (TUG), Akdeniz University Campus
D. T. Koseoglu: TUBITAK National Observatory (TUG), Akdeniz University Campus
T. Ozisik: TUBITAK National Observatory (TUG), Akdeniz University Campus
S. Kalkan: Ondokuz Mayis University Observatory, Space Research Center
Y. Guney: Atatürk University, Science Faculty
M. S. Niaei: Atatürk University, Astrophysics Research and Application Center (ATASAM)
O. Satir: Atatürk University, Astrophysics Research and Application Center (ATASAM)
C. Yesilyaprak: Atatürk University, Astrophysics Research and Application Center (ATASAM)
C. Puskullu: Canakkale Onsekiz Mart University, Astrophysics Research Center (ARC) and Ulupınar Observatory (UPO)
A. Kabas: Canakkale Onsekiz Mart University, Astrophysics Research Center (ARC) and Ulupınar Observatory (UPO)
O. Demircan: Canakkale Onsekiz Mart University, Astrophysics Research Center (ARC) and Ulupınar Observatory (UPO)
J. Alikakos: Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens
V. Charmandaris: Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens
G. Leto: INAF—Catania Astrophysical Observatory
J. Ohlert: Michael Adrian Observatorium, Astronomie Stiftung Trebur
J. M. Christille: Astronomical Observatory of the Autonomous Region of the Aosta Valley (OAVdA)
R. Szakáts: Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
A. Takácsné Farkas: Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
E. Varga-Verebélyi: Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
G. Marton: Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
A. Marciniak: Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University
P. Bartczak: Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University
T. Santana-Ros: Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University
M. Butkiewicz-Bąk: Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University
G. Dudziński: Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University
V. Alí-Lagoa: Max-Planck-Institut für Extraterrestrische Physik
K. Gazeas: Section of Astrophysics, Astronomy and Mechanics, National and Kapodistrian University of Athens
L. Tzouganatos: Section of Astrophysics, Astronomy and Mechanics, National and Kapodistrian University of Athens
N. Paschalis: Nunki Observatory
V. Tsamis: Ellinogermaniki Agogi Observatory
A. Sánchez-Lavega: Escuela de Ingeniería de Bilbao, Universidad del País Vasco UPV/EHU
S. Pérez-Hoyos: Escuela de Ingeniería de Bilbao, Universidad del País Vasco UPV/EHU
R. Hueso: Escuela de Ingeniería de Bilbao, Universidad del País Vasco UPV/EHU
J. C. Guirado: Observatori Astronòmic de la Universitat de València
V. Peris: Observatori Astronòmic de la Universitat de València
R. Iglesias-Marzoa: Centro de Estudios de Física del Cosmos de Aragón

Nature, 2017, vol. 550, issue 7675, 219-223

Abstract: Observations of a stellar occultation of Haumea, one of the four known trans-Neptunian dwarf planets, constrain its size, shape and density, and reveal a ring coplanar with Haumea’s largest moon.

Date: 2017
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DOI: 10.1038/nature24051

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