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Contents. planet: 5 - Jupiter satellites: J1 - Io : 10, J3 - Ganymede : 15, J4 - Callisto : 6 total number: 31 type: relative dates: 1997-1997 observatory: see observatories list in the relevant article. Reference. Emelianov N. V., Vashkovjak S. N. (2009) Astrometric results of the observations of the mutual occultations and eclipses of the Galilean satellites of Jupiter in 1997. Solar System Research. V. 43. P. 240–252. Informations. relative to: reference body is an occulted or eclipsed satellite. reference frame: astrometric centre of frame: topocenter for mutual occultation or heliocenter for mutual eclipse epoch of equinox: J2000 time scale: UTC reduction: from mutual occultations and eclipses coordinates: Position angle (topocentric for mutual occultation or heliocentric for mutual eclipse) diff. refraction: no information receptor: photometric (see the relevant article) telescope: See in the publication observers: See in the publication data included in standard data file: no Comments. Data are deduced from the photometric observations of the mutual occultations and eclipses made during the international campaign in 1997. The description of these astrometric data is given in the relevant article (see Reference). The apparent relative position of the satellite measured across the apparent trajectory can not be determined accurately enough and therefore position angles can be determined only up to 180 deg (+/- 180 deg). The second group of the data is presented in this item. The "O-C' are given with respect of the theory by V.Lainey (Lainey, V., Arlot, J. E., Vienne, A. 2004, A&A, 427, 371). The first group of the data see in the following item jg0025 of the NSDC. The coordinates of the observatories can be found in (Arlot J.-E., Thuillot W., Ruatti C. and 61 co-autors. A&A, 2006, 451, 733-737) Correspondence between the Observatory code in these data and the observatory name in the paper (Arlot et al, 2006) is following (for some observatories the IAU codes or the coordinates are given): ASH ASHEVILLE BAR BARCELONA BOO WILP-ACHTERHOEKE BOR BORDEAUX BOU REUX BOW BOWIE BRU UCCLE BUC BUCAREST BUL BOSKOOP BUV BUCAREST CAC CACERES CAT CATANE -T91 CAU CATANE -T20 CHA Chateaugiron CIR TENERIFE COM COMTHUREY CRE NAUCHNY CRI NAUCHNY ELL ELLINBANK ESO ESO ESS ESSEN GON LISBOA GRB CALERN GRR CALERN GRV CALERN KAZ ALMA-ATA KIE IAU-083 (Golosseevo-Kiev) KOU IAU-168 (Kourovskaya) LUM LUMEZZANE MAD MADRID MEU MEUDON MIL MILAN MUN MUNCHEN NEW NEW-YORK ODE Dushak-Erekdag: Longitude (East): 03 h 51 m 36 s, latitude (North): 37 deg 56' OHP OHP PAR PARIS PIC PIC-DU-MIDI PRA PRAHA PUL IAU-084 (Pulkovo) SAR ZARAGOZA SEV SEVILLA SFF SAN FERNANDO SIC RAGUSA STU STUTTGART TEI TENERIFE TOK FUNAHO TOL OKAYAMA TOP TOPEKA TUR TORINO VAN OOSTDUINKERKE VAS KAVALUR VOR Voronezh: Longitude (East): 03 h 36 m 00 s, latitude (North): 51 deg 40' Format. 1. Year of observation 2. Month of observation 3. Day of observation 4. The type of the phenomenon (eclipse or occultation) including the satellite numbers. The type of phenomenon is coded as n_a o n_p or n_a e n_p for a mutual occultation or eclipse, respectively. Here n_a is the number of the occulting or eclipsing satellite and n_p is the number of the occulted or eclipsed satellite. 5. Observatory code (see the table in the relevant article). 6. Hour of the astrometric data (UTC) 7. Minute of the astrometric data (UTC) 8. Seconde of the astrometric data with decimals (UTC) 9. Position angle A in degrees (topocentric for mutual occultation or heliocentric for mutual eclipse) 10. Precision of apparent position along the apparent relative trajectory of the satellite as obtained with the least-square method, in arcseconds 11. Flag R assigned showing the reason why only one coordinate was determined: ’0’ for a total mutual eclipse or occultation observed, ’1’ for the results obtained from poor photometric data ----------------------------------------------------- Year Observatory Position sigma month code angle A R date Type h m s deg arcsec -----------------------------------------------------