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The astrometric<i>Gaia</i>-FUN-SSO observation campaign of 99942 Apophis

W. ThuillotObservatoire de ParisDavid BancelinObservatoire de ParisAnatoliy IvantsovInstitut de Mécanique Céleste et de Calcul des ÉphéméridesJ. DesmarsSorbonne UniversitéM. AssafinObservatório do Valongo/UFRJ, Ladeira Pedro Antonio 43, CEP 20.080-090 Rio de Janeiro, RJ, BrazilSiegfried EgglInstitut de Mécanique Céleste et de Calcul des ÉphéméridesDaniel HestrofferObservatoire de ParisPatrick RocherSorbonne UniversitéB. CarryInstitut de Mécanique Céleste et de Calcul des ÉphéméridesPedro DavidObservatoire de ParisLyu AbeUniversité de Nice Sophia Antipolis, Observatoire de la Côte d’Azur, CNRS UMR 7293, Laboratoire Lagrange, Bd de l’Observatoire, BP 4229 06304 Nice Cedex 04, FranceM. AndreevInternational Center for Astronomical, Medical and Ecological ResearchJ. E. ArlotInstitut de Mécanique Céleste et de Calcul des ÉphéméridesA. AsamiBisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura,bisei, Ibara,714-1411 Okayama, JapanVova AyvasianEvgeni Kharadze Georgian National Astrophysical ObservatoryA. BaranskyAstronomical Observatory of Kyiv University, Observatorna street 3, 04053 Kyiv, UkraineM. BelchevaInstitute of Astronomy and NAO, Bulgarian Academy of Sciences, 72, Tsarigradsko Chaussee Blvd., 1784 Sofia, BulgariaPhilippe BendjoyaUniversité de Nice Sophia Antipolis, Observatoire de la Côte d’Azur, CNRS UMR 7293, Laboratoire Lagrange, Bd de l’Observatoire, BP 4229 06304 Nice Cedex 04, FranceI. BikmaevDepartment of Astronomy and Geodesy, Kazan Federal University, Kremlevskaya Str., 18, 420008 Kazan, RussiaО. БурхоновUlugh Beg Astronomical Institute, Astronomicheskaya Street 33, 100052 Tashkent, UzbekistanUğur CamcıTÜBİTAK National Observatory, Akdeniz University Campus, 07058 Antalya, TurkeyA. CarbognaniAstronomical Observatory of the Autonomous Region of the Aosta Valley, Lignan 39, 11020 Nus (Aosta), ItalyF. ColasObservatoire de ParisA. V. DevyatkinPulkovo Observatory, Pulkovskoe Ch. 65, 196140 St.-Petersburg, RussiaSh. A. EhgamberdievUlugh Beg Astronomical Institute, Astronomicheskaya Street 33, 100052 Tashkent, UzbekistanP. EnikovaInstitute of Astronomy and NAO, Bulgarian Academy of Sciences, 72, Tsarigradsko Chaussee Blvd., 1784 Sofia, BulgariaL. EyerObservatoire Astronomique de l’Université de Genève, 51 chemin des Maillettes, 1290 Sauverny, SwitzerlandA. GaleevAcademy of Sciences of Tatarstan, Bauman Str., 20, 420111 Kazan, Republic of Tatarstan, RussiaE. GerlachTechnical University Dresden, Institute of Planetary Geodesy, Lohrmann Observatory, 01062 Dresden, GermanyV. GodunovaInternational Center for Astronomical, Medical and Ecological ResearchA. V. GolubaevД. Л. ГоршановPulkovo Observatory, Pulkovskoe Ch. 65, 196140 St.-Petersburg, RussiaР.Р. ГумеровDepartment of Astronomy and Geodesy, Kazan Federal University, Kremlevskaya Str., 18, 420008 Kazan, RussiaN. HashimotoBisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura,bisei, Ibara,714-1411 Okayama, JapanM. HelvacıTÜBİTAK National Observatory, Akdeniz University Campus, 07058 Antalya, TurkeyS. IbryamovInstitute of Astronomy and NAO, Bulgarian Academy of Sciences, 72, Tsarigradsko Chaussee Blvd., 1784 Sofia, BulgariaR. InasaridzeEvgeni Kharadze Georgian National Astrophysical ObservatoryI. KhamitovTÜBİTAK National ObservatoryA. KostovInstitute of Astronomy and NAO, Bulgarian Academy of Sciences, 72, Tsarigradsko Chaussee Blvd., 1784 Sofia, BulgariaA. M. KozhukhovCenter of the Special Information Receiving and Processing and the Navigating Field Control, State Space Agency of Ukraine, Zalistsy, Dunayivtsy district, 32444 Khmelnytskyy region, UkraineY. KozyryevNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineYu. N. KruglyV. F. KryuchkovskiyNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineN. KulichenkoNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineN. MaigurovaNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineA. Manilla-RoblesUniversidad de La Laguna (ULL), 38205 La Laguna, Tenerife, SpainA. A. MartyushevaPulkovo Observatory, Pulkovskoe Ch. 65, 196140 St.-Petersburg, RussiaI. MolotovKeldysh Institute of Applied Mathematics, RAS, Miusskaya sq. 4, 125047 Moscow, RussiaG. NikolovInstitute of Astronomy and NAO, Bulgarian Academy of Sciences, 72, Tsarigradsko Chaussee Blvd., 1784 Sofia, BulgariaPlamen NikolovInstitute of Astronomy and NAO, Bulgarian Academy of Sciences, 72, Tsarigradsko Chaussee Blvd., 1784 Sofia, BulgariaK. NishiyamaBisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura,bisei, Ibara,714-1411 Okayama, JapanShin-ichiro OkumuraBisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura,bisei, Ibara,714-1411 Okayama, JapanL. PalaversaObservatoire Astronomique de l’Université de Genève, 51 chemin des Maillettes, 1290 Sauverny, SwitzerlandO. U. ParmonovUlugh Beg Astronomical Institute, Astronomicheskaya Street 33, 100052 Tashkent, UzbekistanQ. Y. PengDepartment of Computer Science, Jinan University, 510632 Guangzhou, PR ChinaS.N. PetrovaPulkovo Observatory, Pulkovskoe Ch. 65, 196140 St.-Petersburg, RussiaG. I. PiniginNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineA. V. PomazanNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineJean‐Pierre RivetUniversité de Nice Sophia Antipolis, Observatoire de la Côte d’Azur, CNRS UMR 7293, Laboratoire Lagrange, Bd de l’Observatoire, BP 4229 06304 Nice Cedex 04, FranceT. SakamotoBisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura,bisei, Ibara,714-1411 Okayama, JapanN. SakhibullinAcademy of Sciences of Tatarstan, Bauman Str., 20, 420111 Kazan, Republic of Tatarstan, RussiaO. A. SergeevICAMER Observatory, National Academy of Sciences of Ukraine, 27 Acad. Zabolotnoho Str., 03680 Kiev, UkraineA. V. SergeyevO. V. ShulgaNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineOlga SuárezUniversité de Nice Sophia Antipolis, Observatoire de la Côte d’Azur, CNRS UMR 7293, Laboratoire Lagrange, Bd de l’Observatoire, BP 4229 06304 Nice Cedex 04, FranceYevgeniya SybiryakovaNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineN. TakahashiJapan Spaceguard Association, 1-60-7 2F, Sasazuka, Shibuya-ku, Tokyo 151-0073, JapanV. K. TaradyInternational Center for Astronomical, Medical and Ecological ResearchM. ToddDepartment of Imaging and Applied Physics, Bldg 301, Curtin University, Kent St, Bentley, WA 6102, AustraliaSeitaro UrakawaBisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura,bisei, Ibara,714-1411 Okayama, JapanO. UysalTÜBİTAK National Observatory, Akdeniz University Campus, 07058 Antalya, TurkeyO. VăduvescuIsaac Newton Group of Telescopes, Apto. 321, 38700 Santa Cruz de la Palma, Canary Islands, SpainVasyl VovkNikolaev Astronomical Observatory, 1 Observatorna, 54030 Mykolaiv, UkraineX.-L. ZhangYunnan Observatories
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Annotatsiya

Aims. Astrometric observations performed by the Gaia Follow-Up Network for Solar System Objects (Gaia-FUN-SSO) play a key role in ensuring that moving objects first detected by ESA’s Gaia mission remain recoverable after their discovery. An observation campaign on the potentially hazardous asteroid (99 942) Apophis was conducted during the asteroid’s latest period of visibility, from 12/21/2012 to 5/2/2013, to test the coordination and evaluate the overall performance of the Gaia-FUN-SSO .

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