A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS4 measured from stellar occultations

F. L. Rommel; F. Braga-Ribas; J. L. Ortiz; B. Sicardy; P. Santos-Sanz; J. Desmars; J. I. B. Camargo; R. Vieira-Martins; M. Assafin; B. E. Morgado; R. C. Boufleur; G. Benedetti-Rossi; A. R. Gomes-Junior; E. Fernandez-Valenzuela; B. J. Holler; D. Souami; R. Duffard; G. Margoti; M. Vara-Lubiano; J. Lecacheux; J. L. Plouvier; N. Morales; A. Maury; J. Fabrega; P. Ceravolo; E. Jehin; D. Albanese; H. Mariey; S. Cikota; D. Ruzdjak; A. Cikota; R. Szakats; D. Baba Aissa; Z. Gringahcene; V. Kashuba; N. Koshkin; V. Zhukov; S. Fisek; O. Cakir; S. Ozer; C. Schnabel; M. Schnabel; F. Signoret; L. Morrone; T. Santana-Ros; C. L. Pereira; M. Emilio; A. Y. Burdanov; J. de Wit; K. Barkaoui; M. Gillon; G. Leto; A. Frasca; G. Catanzaro; R. Zanmar Sanchez; U. Tagliaferri; M. Di Sora; G. Isopi; Y. Krugly; I. Slyusarev; V. Chiorny; H. Mikuz; P. Bacci; M. Maestripieri; M. D. Grazia; I. de la Cueva; M. Yuste-Moreno; F. Ciabattari; O. M. Kozhukhov; M. Serra-Ricart; M. R. Alarcon; J. Licandro; G. Masi; R. Bacci; J. M. Bosch; R. Behem; J. -P. Prost; S. Renner; M. Conjat; M. Bachini; G. Succi; L. Stoian; A. Juravle; D. Carosati; B. Gowe; J. Carrillo; A. P. Zheleznyak; N. Montigiani; C. R. Foster; M. Mannucci; N. Ruocco; F. Cuevas; P. Di Marcantonio; I. Coretti; G. Iafrate; V. Baldini; M. Collins; A. Pal; B. Csak; E. Fernandez-Garcia; A. J. Castro-Tirado; L. Hudin; J. M. Madiedo; R. M. Anghel; J. F. Calvo-Fernandez; A. Valvasori; E. Guido; R. M. Gherase; S. Kamoun; R. Fafet; M. Sanchez-Gonzalez; L. Curelaru; C. D. Vintdevar; C. A. Danescu; J. -F. Gout; C. J. Schmitz; A. Sota; I. Belskaya; M. Rodriguez-Marco; Y. Kilic; E. Frappa; A. Klotz; M. Lavayssiere; J. Marques Oliveira; M. Popescu; L. A. Mammana; E. Fernandez-Lajus; M. Schmidt; U. Hopp; R. Komzik; T. Pribulla; D. Tomko; M. Husarik; O. Erece; S. Eryilmaz; L. Buzzi; B. Gahrken; D. Nardiello; K. Hornoch; E. Sonbas; H. Er; V. Burwitz; P. Waldemar Sybilski; W. Bykowski; T. G. Mueller; W. Ogloza; R. Goncalves; J. F. Ferreira; M. Ferreira; M. Bento; S. Meister; M. N. Bagiran; M. Tekes; A. Marciniak; Z. Moravec; P. Delincak; G. Gianni; G. B. Casalnuovo; M. Boutet; J. Sanchez; B. Klemt; N. Wuensche; W. Burzynski; M. Borkowski; M. Serrau; G. Dangl; O. Klos; C. Weber; M. Urbanik; L. Rousselot; J. Kubanek; P. Andre; C. Colazo; J. Spagnotto; A. A. Sickafoose; R. Hueso; A. Sanchez-Lavega; R. S. Fisher; A. W. Rengstorf; C. Perello; M. Dascalu; M. Altan; K. Gazeas; T. de Santana; R. Sfair; O. C. Winter; S. Kalkan; O. Canales-Moreno; J. M. Trigo-Rodriguez; V. Tsamis; K. Tigani; N. Sioulas; G. Lekkas; D. N. Bertesteanu; V. Dumitrescu; A. J. Wilberger; J. W. Barnes; S. K. Fieber-Beyer; R. L. Swaney; C. Fuentes; R. A. Mendez; B. D. Dumitru; R. L. Flynn; D. A. Wake

doi:10.1051/0004-6361/202346892

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A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS4 measured from stellar occultations

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A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS4 measured from stellar occultations

F. L. Rommel, F. Braga-Ribas, J. L. Ortiz, B. Sicardy, P. Santos-Sanz, J. Desmars, J. I. B. Camargo, R. Vieira-Martins, M. Assafin, B. E. Morgado, …

Astronomy and astrophysics (Berlin), Vol.678, 167

10/20/2023

DOI: https://doi.org/10.1051/0004-6361/202346892

Abstract

Astronomy & Astrophysics

Physical Sciences

Science & Technology

Context. The physical characterization of trans-Neptunian objects is essential for improving our understanding of the formation and evolution of our Solar System. Stellar occultation is a ground-based technique that can be successfully used to determine some of the TNOs' fundamental physical properties with high precision, such as size and shape. Aims. This work is aimed at constraining the size, shape, and geometric albedo of the dwarf planet candidate (307261) 2002 MS4 through the analysis of nine stellar occultation events. Using multichord detection, we also study the object's topography by analyzing the obtained limb and residuals between the observed chords and the best-fit ellipse. Metods. We predicted and organized the observational campaigns of nine stellar occultations by 2002 MS4 between 2019 and 2022, resulting in two single-chord events, four double-chord detections, and three events with between 3 and 61 positive chords. We derived the occultation light curves using differential aperture photometry, from which the star ingress and egress instants were calculated. Using 13 selected chords from the 8 August 2020 event, we determined the global elliptical limb of 2002 MS4. The best-fit ellipse, combined with the object's rotational information from the literature, sets constraints on the object's size, shape, and albedo. Additionally, we developed a new method to characterize the topography features on the object's limb. Results. The global limb has a semi-major axis of a' = 412 +/- 10 km, a semi-minor axis of b'= 385 +/- 17 km, and the position angle of the minor axis is 121 degrees +/- 16 degrees. From this instantaneous limb, we obtained 2002 MS4's geometric albedo of p(V) = 0.1 +/- 0.025, using HV = 3.63 +/- 0.05 mag and a projected area-equivalent diameter of 796 +/- 24 km. Significant deviations from the fitted ellipse in the northernmost limb were detected from multiple sites, highlighting three distinct topographic features: one 11 km depth depression, followed by a 25(-5)(+4) km height elevation next to a crater-like depression, with an extension of 322 +/- 39 km and 45.1 +/- 1.5 km deep. Conclusions. Our results indicate the presence of an object that is approximate to 138 km smaller in diameter than that derived from thermal data, possibly indicating the presence of a thus-far unknown satellite. However, within the error bars, the geometric albedo in the V-band is in agreement with the results published in the literature, even with the radiometric-derived albedo. This stellar occultation has allowed for the first multichord measurement of a large topography in a TNO.

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Title: A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS4 measured from stellar occultations
Creators: F. L. Rommel - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
F. Braga-Ribas - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
J. L. Ortiz - S&N
B. Sicardy - Univ Paris Diderot, Sorbonne Univ, PSL Univ, LESIA,Paris Observ,CNRS,Sorbonne Paris Cite, 5 Pl Jules Janssen, F-92195 Meudon, France
P. Santos-Sanz - S&N
J. Desmars - Polytech Inst Adv Sci IPSA, 63 Blvd Brandebourg, F-94200 Ivry, France
J. I. B. Camargo - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
R. Vieira-Martins - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
M. Assafin - Interinsti E Astron Lab LIneA & INCT E Universo, Rio De Janeiro, Brazil
B. E. Morgado - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
R. C. Boufleur - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
G. Benedetti-Rossi - Interinsti E Astron Lab LIneA & INCT E Universo, Rio De Janeiro, Brazil
A. R. Gomes-Junior - Interinsti E Astron Lab LIneA & INCT E Universo, Rio De Janeiro, Brazil
E. Fernandez-Valenzuela - Tioga County Partnership for Community Health
B. J. Holler - Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
D. Souami - Univ Paris Diderot, Sorbonne Univ, PSL Univ, LESIA,Paris Observ,CNRS,Sorbonne Paris Cite, 5 Pl Jules Janssen, F-92195 Meudon, France
R. Duffard - S&N
G. Margoti - Interinsti E Astron Lab LIneA & INCT E Universo, Rio De Janeiro, Brazil
M. Vara-Lubiano - S&N
J. Lecacheux - Univ Paris Diderot, Sorbonne Univ, PSL Univ, LESIA,Paris Observ,CNRS,Sorbonne Paris Cite, 5 Pl Jules Janssen, F-92195 Meudon, France
J. L. Plouvier - Domaine Blaque Observ, F-83670 Domaine De La Blaque, Varages, France
N. Morales - S&N
A. Maury - San Pedro Atacama Celestial Explorat SPACE, Chicache 81, Ayllu De Solor 1410000, San Pedro De At, Chile
J. Fabrega - Panamanian Observ San Pedro de Atacama OPSPA, San Pedro De Atacama, Chile
P. Ceravolo - Anarchist Mt Observ, Osoyoos, BC V0H 1V6, Canada
E. Jehin - University of Liège
D. Albanese - Cote Azur Univ, CNRS, Observ Cote Azur, IRD,Geoazur, 250 Rue Albert Einstein, F-06560 Valbonne, France
H. Mariey - Cote Azur Observ, Geoazur UMR 7329, 2130 Route Observ, F-06460 Caussols, France
S. Cikota - University of Zagreb
D. Ruzdjak - University of Zagreb
A. Cikota - NSF’s NOIRLab
R. Szakats - Konkoly Observ Budapest, Res Ctr Astron & Earth Sci ELKH, Konkoly Thege Miklos Ut 15-17, H-1121 Budapest, Hungary
D. Baba Aissa - Algiers Observ, CRAAG, Route Observ, Algiers, Algeria
Z. Gringahcene - Algiers Observ, CRAAG, Route Observ, Algiers, Algeria
V. Kashuba - Odesa II Mechnikov Natl Univ, Astron Observ, Marazliivska 1v, UA-65014 Odesa, Ukraine
N. Koshkin - Odesa II Mechnikov Natl Univ, Astron Observ, Marazliivska 1v, UA-65014 Odesa, Ukraine
V. Zhukov - Natl Acad Sci Ukraine, Main Astron Observ, 27 Akad Zabolotnoho St, UA-03143 Kiev, Ukraine
S. Fisek - Istanbul University
O. Cakir - Macquarie University
S. Ozer - Supreme Council Of Health
C. Schnabel - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
M. Schnabel - S&N
F. Signoret - Mistral AI
L. Morrone - Belarusian State Agricultural Academy
T. Santana-Ros - Alicante Univ, Inst Fis Aplicada Ciencias & Tecnol, Alicante 03080, Spain
C. L. Pereira - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
M. Emilio - Natl Observ, MCTI, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil
A. Y. Burdanov - MIT, Dept Earth Atmospher & Planetary Sci, 77 Massachusetts Ave, Cambridge, MA USA
J. de Wit - MIT, Dept Earth Atmospher & Planetary Sci, 77 Massachusetts Ave, Cambridge, MA USA
K. Barkaoui - MIT, Dept Earth Atmospher & Planetary Sci, 77 Massachusetts Ave, Cambridge, MA USA
M. Gillon - University of Liège
G. Leto - INAF Catania Astrophys Observ, Via S Sofia 78, I-95123 Catania, Italy
A. Frasca - INAF Catania Astrophys Observ, Via S Sofia 78, I-95123 Catania, Italy
G. Catanzaro - INAF Catania Astrophys Observ, Via S Sofia 78, I-95123 Catania, Italy
R. Zanmar Sanchez - INAF Catania Astrophys Observ, Via S Sofia 78, I-95123 Catania, Italy
U. Tagliaferri - Campo Catino Astron Observ, I-03016 Guarcino, FR, Italy
M. Di Sora - Campo Catino Astron Observ, I-03016 Guarcino, FR, Italy
G. Isopi - Campo Catino Astron Observ, I-03016 Guarcino, FR, Italy
Y. Krugly - Kharkov Natl Univ, Inst Astron, Sumska Str 35, UA-61022 Kharkiv, Ukraine
I. Slyusarev - Kharkov Natl Univ, Inst Astron, Sumska Str 35, UA-61022 Kharkiv, Ukraine
V. Chiorny - Kharkov Natl Univ, Inst Astron, Sumska Str 35, UA-61022 Kharkiv, Ukraine
H. Mikuz - Crni Vrh Observ, Predgrize 29A, Crni Vrh Nad Idrijo 5274, Slovenia
P. Bacci - Pistoiese Mt Astron Observ GAMP, San Marcello Pistoiese, Italy
M. Maestripieri - Pistoiese Mt Astron Observ GAMP, San Marcello Pistoiese, Italy
M. D. Grazia - Pistoiese Mt Astron Observ GAMP, San Marcello Pistoiese, Italy
I. de la Cueva - Astron Assoc Eivissa AAE, Lucio Oculacio 29, Ibiza 07800, Spain
M. Yuste-Moreno - Astron Assoc Eivissa AAE, Lucio Oculacio 29, Ibiza 07800, Spain
F. Ciabattari - Monte Agliale Astron Observ, Via Cune Motrone, I-55023 Borgo A Mozzano, Italy
O. M. Kozhukhov - Natl Space Facil Control & Test Ctr, QOS Observ, Ctr Special Informat Recept & Proc & Nav Field Co, UA-32444 Kamianets, Khmelnytskyi Re, Ukraine
M. Serra-Ricart - IAC
M. R. Alarcon - IAC
J. Licandro - IAC
G. Masi - Virtual Telescope Project, Via Madonna de Loco 47, I-03023 Ceccano, Italy
R. Bacci - MPC
J. M. Bosch - Red ASTRONAVARRA Sarea, Bellpuig 25250, Catalunha, Spain
R. Behem - Thales Alenia Space
J. -P. Prost - Thales Alenia Space
S. Renner - Université Paris Sciences et Lettres
M. Conjat - Cote Azur Observ, Geoazur UMR 7329, 2130 Route Observ, F-06460 Caussols, France
M. Bachini - MPC
G. Succi - MPC
L. Stoian - Romanian Soc Cultural Astron SRPAC, Coriolan Baran St, Timisoara 300238, Romania
A. Juravle - Romanian Soc Cultural Astron SRPAC, Coriolan Baran St, Timisoara 300238, Romania
D. Carosati - EPT Observ, Camino El Pinar 114, Tijarafe 38780, Spain
B. Gowe - Supreme Council Of Health
J. Carrillo - OACM Observ, Fuensanta De Martos, Pueblo De Jaen, Spain
A. P. Zheleznyak - Kharkov Natl Univ, Inst Astron, Sumska Str 35, UA-61022 Kharkiv, Ukraine
N. Montigiani - Florence
C. R. Foster - Astron Soc Southern Africa, Centurion, South Africa
M. Mannucci - Florence
N. Ruocco - Nastro Verde Astron Observ, Via Nastro Verde 50, Sorrento, Italy
F. Cuevas - Cosmos Observ, Calle Cardenal Pedro Gonzalez, Marbella 29604, Spain
P. Di Marcantonio - INAF Trieste Astrophys Observ, Via GB Tiepolo 11, I-34143 Trieste, Italy
I. Coretti - INAF Trieste Astrophys Observ, Via GB Tiepolo 11, I-34143 Trieste, Italy
G. Iafrate - INAF Trieste Astrophys Observ, Via GB Tiepolo 11, I-34143 Trieste, Italy
V. Baldini - INAF Trieste Astrophys Observ, Via GB Tiepolo 11, I-34143 Trieste, Italy
M. Collins - Lowell Observ, 1400 Mars Hill Rd, Flagstaff, AZ 86001 USA
A. Pal - Konkoly Observ Budapest, Res Ctr Astron & Earth Sci ELKH, Konkoly Thege Miklos Ut 15-17, H-1121 Budapest, Hungary
B. Csak - Konkoly Observ Budapest, Res Ctr Astron & Earth Sci ELKH, Konkoly Thege Miklos Ut 15-17, H-1121 Budapest, Hungary
E. Fernandez-Garcia - S&N
A. J. Castro-Tirado - S&N
L. Hudin - ROASTERR 1 Observ, Cluj Napoca, Romania
J. M. Madiedo - S&N
R. M. Anghel - MPC
J. F. Calvo-Fernandez - Amer Assoc Variable Star Observers AAVSO, 185 Alewife Brook Pkwy,Suite 410, Cambridge, MA 02138 USA
A. Valvasori - Camden and Islington NHS Foundation Trust
E. Guido - Telescope Live, 71-75 Shelton St, London WC2H 9JQ, England
R. M. Gherase - Bucharest Astroclub, Bd Lascar Catargiu 21, Bucharest 010662, Romania
S. Kamoun - Sat
R. Fafet - Thales Alenia Space
M. Sanchez-Gonzalez - MPC
L. Curelaru - Bloomsburg University
C. D. Vintdevar - Barlad Astron Observ, Republicii St 235, Barlad, Vaslui County, Romania
C. A. Danescu - Romanian Acad, Astron Inst, 5 Cutitul Argint, Bucharest 040557, Romania
J. -F. Gout - Mississippi State University
C. J. Schmitz - 113 Kentucky Ave SW, Orange, IA 51041 USA
A. Sota - S&N
I. Belskaya - Univ Paris Diderot, Sorbonne Univ, PSL Univ, LESIA,Paris Observ,CNRS,Sorbonne Paris Cite, 5 Pl Jules Janssen, F-92195 Meudon, France
M. Rodriguez-Marco - Syrma GUA, Paseo Belen 9, Valladolid 47011, Spain
Y. Kilic - Akdeniz University
E. Frappa - Euraster, 8 Rue Tonnelier, F-46100 Faycelles, France
A. Klotz - University of Toulouse
M. Lavayssiere - Centre Hospitalier de Dax –Côte d’Argent
J. Marques Oliveira - Univ Paris Diderot, Sorbonne Univ, PSL Univ, LESIA,Paris Observ,CNRS,Sorbonne Paris Cite, 5 Pl Jules Janssen, F-92195 Meudon, France
M. Popescu - Romanian Acad, Astron Inst, 5 Cutitul Argint, Bucharest 040557, Romania
L. A. Mammana - Natl Council Sci & Tech Res, El Leoncito Astron Complex, San Juan, Argentina
E. Fernandez-Lajus - S&N
M. Schmidt - Ludwig Maximilians Munich Univ, Univ Observ, Scheiner Str 1, D-81679 Munich, Germany
U. Hopp - Ludwig Maximilians Munich Univ, Univ Observ, Scheiner Str 1, D-81679 Munich, Germany
R. Komzik - Slovak Acad Sci, Astron Inst, Tatranska Lomnica 05960, Slovakia
T. Pribulla - Slovak Acad Sci, Astron Inst, Tatranska Lomnica 05960, Slovakia
D. Tomko - Slovak Acad Sci, Astron Inst, Tatranska Lomnica 05960, Slovakia
M. Husarik - Slovak Acad Sci, Astron Inst, Tatranska Lomnica 05960, Slovakia
O. Erece - Akdeniz University
S. Eryilmaz - Akdeniz University
L. Buzzi - GV Schiaparelli Astron Observ, Campo Dei Fiori, Varese, Italy
B. Gahrken - Hieronymusstr 15b, D-81241 Munich, Germany
D. Nardiello - Natl Astrophiscs Inst, Astron Observ Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy
K. Hornoch - Czech Acad Sci, Astron Inst, Fricova 1, Ondrejov 25165, Czech Republic
E. Sonbas - Adiyaman Univ, Dept Phys, TR-02040 Adiyaman, Turkey
H. Er - Atatürk University
V. Burwitz - Max
P. Waldemar Sybilski - Sybilla Technol, Torunska 59, PL-85023 Bydgoszcz, Poland
W. Bykowski - Sybilla Technol, Torunska 59, PL-85023 Bydgoszcz, Poland
T. G. Mueller - Max
W. Ogloza - Pedag Univ Cracow, Mt Suhora Observ, Podchorazych 2, PL-30086 Krakow, Poland
R. Goncalves - CI2
J. F. Ferreira - Aristotle University of Thessaloniki
M. Ferreira - Ciência Viva
M. Bento - Ciência Viva
S. Meister - MPC
M. N. Bagiran - Türksat
M. Tekes - Cukurova University
A. Marciniak - Adam Mickiewicz Univ, Fac Phys, Astron Observ, Sloneczna 36, PL-60286 Poznan, Poland
Z. Moravec - Teplice Observ, North Bohemian Observ & Planetarium Teplice, Kopernikova 3062, Teplice 41501, Czech Republic
P. Delincak - EUR ING, Hviezdoslavova 1971, Cadca 02201, Slovakia
G. Gianni - GiaGa Observ, I-20005 Milan, Italy
G. B. Casalnuovo - Supreme Council Of Health
M. Boutet - Amateur Astron Observ Seysses, 700 Chemin Fourtane, F-31600 Seysses, France
J. Sanchez - Pleiades Latrape Observ, Grand Rue, F-31310 Latrape, France
B. Klemt - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
N. Wuensche - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
W. Burzynski - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
M. Borkowski - UL
M. Serrau - French Astron Soc SAF, 3 Rue Beethoven, F-75016 Paris, France
G. Dangl - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
O. Klos - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
C. Weber - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
M. Urbanik - MPC
L. Rousselot - French Astron Soc SAF, 3 Rue Beethoven, F-75016 Paris, France
J. Kubanek - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
P. Andre - MPC
C. Colazo - MPC
J. Spagnotto - MPC
A. A. Sickafoose - Planetary Sci Inst, 1700 East Ft Lowell Rd,Suite 106, Tucson, AZ 85719 USA
R. Hueso - University of the Basque Country
A. Sanchez-Lavega - University of the Basque Country
R. S. Fisher - Univ Oregon, Dept Phys, 120 Willamette Hall,1371 E 13th Ave, Eugene, OR USA
A. W. Rengstorf - Purdue University Northwest
C. Perello - Int Occultat Timing Assoc European Sect IOTA ES, Brombeerhag 13, D-30459 Hannover, Germany
M. Dascalu - MPC
M. Altan - Eskişehir City Hospital
K. Gazeas - National and Kapodistrian University of Athens
T. de Santana - Univ Paris Diderot, Sorbonne Univ, PSL Univ, LESIA,Paris Observ,CNRS,Sorbonne Paris Cite, 5 Pl Jules Janssen, F-92195 Meudon, France
R. Sfair - Universidade Estadual Paulista (Unesp)
O. C. Winter - Universidade Estadual Paulista (Unesp)
S. Kalkan - Ondokuz Mayis Univ Observ, Kurupelit Campus, TR-55139 Atakum, Samsun, Turkiye
O. Canales-Moreno - S&N
J. M. Trigo-Rodriguez - S&N
V. Tsamis - Sparta Astron Assoc, 22 Amyklon Str, Halandri 15231, Greece
K. Tigani - Sparta Astron Assoc, 22 Amyklon Str, Halandri 15231, Greece
N. Sioulas - MPC
G. Lekkas - University of Ioannina
D. N. Bertesteanu - Bucharest Astroclub, Bd Lascar Catargiu 21, Bucharest 010662, Romania
V. Dumitrescu - G Ral Gheorghe Magheru Blvd 7,Sc1,Ap 4,Sect 1, Bucharest 010322, Romania
A. J. Wilberger - MPC
J. W. Barnes - University of Idaho
S. K. Fieber-Beyer - University of North Dakota
R. L. Swaney - Chagrin Valley Astron Soc, 15701 Huntley Rd, Huntsburg, OH 44046 USA
C. Fuentes - University of Chile
R. A. Mendez - University of Chile
B. D. Dumitru - Inst Space Sci, 409 Atomistilor St Magurele, Ilfov 077125, Romania
R. L. Flynn - MPC
D. A. Wake - Univ North Carolina Asheville, Dept Phys & Astron, 1 Univ Hts, Asheville, NC 28804 USA
Publication Details: Astronomy and astrophysics (Berlin), Vol.678, 167
Publisher: Edp Sciences S A
Number of pages: 25
Grant note: VEGA 2/0059/22; VEGA 2/0031/22 / Slovak Grant Agency for Science; Vedecka grantova agentura MSVVaS SR a SAV (VEGA) 88887.705245/2022-00 / CAPES; Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) ARC grant for Concerted Research Actions; Australian Research Council 669416 / European Research Council funds under the European Community Portuguese Foundation for Science and Technology (FCT); Fundacao para a Ciencia e a Tecnologia (FCT) PDR T.0120.21 / Belgian FNRS; Fonds de la Recherche Scientifique - FNRS PID2020-120464GB-100 / Agencia Estatal de Investigacion del Ministerio de Ciencia e Innovacion (AEI-MCINN) 001 / Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior -Brazil (CAPES); Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) Ministerio da Ciencia, Tecnologia, e Inovacao (MCTI) da Republica Federativa do Brasil PN-III-P1-1.1-TE-2019-1504 / Romanian National Authority for Scientific Research -UEFISCDI; Consiliul National al Cercetarii Stiintifice (CNCS); Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii (UEFISCDI) 2016K12137 / Presidency of Strategy and Budget of the Republic of Turkey CNRS; Centre National de la Recherche Scientifique (CNRS) SPECULOOS network situated in Tenerife, Spain PID2021-122842OB-C21 / European Union; European Union (EU) 336480/SPECULOOS / ERC under the European Union; European Research Council (ERC) SFRH/BD/131700/2017 / European Social Fund (ESF) Heising-Simons Foundation MCIN/AEI/10.13039/501100011033; CEX2021-001131-S; PID2019-109467GB-I00; PID2021-128062NBI00; H2020-EU2-1-6/870377; 67985815 / Hungarian Academy of Sciences 103096/2023-0; 314772/2020-0; 307368/2021-1; 308150/2016-3; 305917/2019-6; 427700/2018-3; 310683/2017-3; 473002/2013-2; 128580/2020-8; 150612/2020-6; 305210/2018-1; CAPES/Cofecub-394/2016-05 / CNPq; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ) CEX2019-000918-M / Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia 'Maria de Maeztu') E-26/111.488/2013 / FAPERJ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio De Janeiro (FAPERJ) 2022-2023 / French Centre National d'Etudes Spatiales (CNES); Centre National D'etudes Spatiales T.0109.20 / FAPESP - F.R.S.-FNRS Consejeria de Economia, Conocimiento y Empleo del Gobierno de Canarias E26/203.173/2016; 88887.310463/2018-00; 88887.571156/2020-00 / CAPES -FAPERJ/PAPDRJ; Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) ProID2021010134 / European Regional Development Fund (ERDF); European Union (EU) Schmidt telescopes (Asiago, Italy) of the INAF-Astronomical Observatory of Padova 2018/11239-8 / FAPESP; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) Wallonia-Brussels Federation - University of Liege; University of Liege BAP-3685; FBG-2017-23943 / Island Council of Ibiza - Scientific Research Projects Coordination Unit of Istanbul University Michigan State University (MSU) Francqui Foundation Cadi Ayyad University of Marrakesh University of North Carolina at Chapel Hill National Institute of Science and Technology of the eUniverse project K-138962; K-125015; KEP-7/2018 / National Research, Development and Innovation Office (NKFIH, Hungary); National Research, Development & Innovation Office (NRDIO) - Hungary FB210003; MAS IC120009 / Italian Amateur Astronomers Union (UAI)
Identifiers: 996657838901851
Academic Unit: Physics
Language: English
Resource Type: Journal article