The PHEMU21 catalogue and astrometric results of the observations of the mutual occultations and eclipses of the Galilean satellites of Jupiter made in 2021

被引：2

作者：

Emelyanov, N. ^{[1
,2
]}

Arlot, J-E ^{[2
]}

Anbazhagan, P. ^{[3
]}

Andre, P. ^{[4
]}

Bardecker, J. ^{[5
]}

Canaud, G. ^{[6
]}

Coliac, J. F. ^{[7
]}

De Elias Cantalapiedra, J. ^{[8
]}

Ellington, C. K. ^{[9
]}

Fernandez, J. M. ^{[10
]}

Forbes, M. ^{[11
]}

Gazeas, K. ^{[12
]}

Gault, D. ^{[13
]}

George, T. ^{[14
]}

Gourdon, F. ^{[15
]}

Herald, D. ^{[16
]}

Huber, D. ^{[17
]}

Iglesias-Marzoa, R. ^{[18
]}

Izquierdo, J. ^{[8
]}

Lloveras, R. Jorba ^{[8
]}

Kerr, S. ^{[16
]}

Lasala, A. ^{[19
]}

Le Guen, P. ^{[20
]}

Leroy, A. ^{[6
]}

Lutz, M. ^{[21
]}

Maley, P. ^{[22
,23
]}

Mannchen, T. ^{[21
]}

Mari, J. M. ^{[17
]}

Maury, A. ^{[17
,18
]}

Newman, J. ^{[16
]}

Palafouta, S. ^{[12
]}

Gallego, J. Prieto ^{[8
]}

Roger, P. ^{[15
]}

Roeschli, D. ^{[24
]}

Selvakumar, G. ^{[3
]}

Serra, V ^{[21
]}

Stuart, P. ^{[25
]}

Turchenko, M. ^{[1
,26
]}

Vasundhara, R. ^{[27
]}

Velasco, E. ^{[8
,28
]}

机构：

[1] Lomonosov Moscow State Univ, Sternberg Astron Inst, Moscow, Russia

[2] UPMC, Inst Mecan Celeste & Calcul Ephemerides, Observ Paris, PSL,UMR 8028,CNRS,USTL, 77 Ave Denfert Rochereau, F-75014 Paris, France

[3] Indian Inst Astrophys, Vainu Bappu Observ, Kavalur 635701, Tamil Nadu, India

[4] Soc Astron France, Club Astron Quint Fonsegr, Adagio Belesta Observ, IOTA ES, F-31570 St Foy Daigrefeuille, France

[5] IOTA, Gardnerville, NV USA

[6] Uranoscope Ile France, F-77220 Gretz Armainvilliers, France

[7] OABAC Observ Astron Binaires & Astron Collaborat, Marseille, France

[8] Agrupac Astron Madrid, E-28029 Madrid, Spain

[9] Maastricht Sci Programme, NL-6229 Maastricht, Netherlands

[10] Astron Sevilla, Seville, Spain

[11] Manor Pk Observ, Occultat Sect RASNZ, Lower Hutt 5019, New Zealand

[12] Natl & Kapodistrian Univ Athens, Dept Phys, Sect Astrophys Astron & Mech, GR-15784 Athens, Greece

[13] 22 Booker Rd, Hawkesbury Hts, NSW 2777, Australia

[14] IOTA, Scottsdale, AZ USA

[15] OAGC Observ Astron Gros Cerveau, F-83190 Rte Du Gros Cerveau, Ollioules, France

[16] Trans Tasman Occultat Alliance, Murrumbateman Observ, Parkes, Australia

[17] GAPRA, F-06160 Antibes Juan Les Pins, France

[18] Ctr Estudios Fis Cosmos Aragon, Javalambre Astrophys Observ, E-44001 Teruel, Spain

[19] AAHU, Astron Grp Huesca, Zaragoza, Spain

[20] Observ Pic Fees, 26 Bis All Pinsons, F-83400 Hyeres, France

[21] Baden Wuerttemberg Cooperat State Univ DHBW, Ravensburg Campus Friedrichshafen,Fallenbrunnen 2, D-88045 Friedrichshafen, Germany

[22] IOTA, Carefree, AZ USA

[23] NASA, Johnson Space Ctr Astron Soc, Carefree, AZ USA

[24] Cademario Observ, Cademario, Switzerland

[25] Int Occultat Timing Assoc IOTA, Fountain Hills, AZ 85269 USA

[26] Moscow MV Lomonosov State Univ, Caucasian Mt Observ SAI, Karachay Cherkess Republ 369388, Kichi Balyk Vil, Russia

[27] Indian Inst Astrophys, Bangalore 560034, Karnataka, India

[28] Univ Autonoma Madrid, Dept Theoret Condensed Matter Phys, Fac Ciencias, E-28049 Madrid, Spain

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2022年 / 516卷 / 03期

关键词：

ephemerides; planets and satellites: general; ACCURATE EPHEMERIDES; IO;

D O I：

10.1093/mnras/stac2538

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

2021 was the year of Jupiter's equinox, that is the Sun and the Earth passed through the equatorial plane of the planet and therefore the orbital planes of its main satellites. This occurrence made it possible to observe mutual occultations and eclipses between the satellites. Our former experience shows that observations of such events provide accurate astrometric data that can be used to obtain new information on the dynamics of the Galilean satellites. The observations are a series of photometric measurements of a satellite which are carried out through the organization of a world wide campaign of observations thus maximizing the number and the quality of the data obtained. This work focuses on processing the photometric observations of the mutual occultations and eclipses of the Galilean satellites of Jupiter made during the international campaign in 2021. The final goal is to derive new accurate astrometric data. We used an accurate photometric model of mutual events in conjunction with the accuracy of observation. We obtained and processed the 84 light curves obtained during the campaign. As compared with the current best ephemerides, the rms of 'O-C' residuals are equal to 49 and 48 mas in right ascension and declination, respectively.

引用

页码：3685 / 3691

页数：7

共 32 条

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