Contents. planet: 6 - Saturn satellites: S20 - Paaliaq : 11, S26 - Albiorix : 46, S29 - Siarnaq : 76 total number: 133 type: absolute dates: 2001-2002, 2007-2009 observatory: 511 - Haute Provence 809 - European Southern Observatory, La Silla Reference. Gomes-Júnior A. R. et al. (2015) Astrometric positions for 18 irregular satellites of giant planets from 23 years of observations. Astronomy and Astrophysics. V. 580. P. A76. 2015A&A___580A__76G Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: the PRAIA software, the UCAC4 catalog coordinates: absolute diff. refraction: no information receptor: CCD telescope: 511 - 1.2m-telescope in a Newton configuration 809 - 2.2m Max-Planck ESO telescope with the Wide Field Imager (WFI) CCD mosaic detector observers: A. R. Gomes-Júnior, M. Assafin, R. Vieira-Martins, J.-E. Arlot, J. I. B. Camargo, F. Braga-Ribas, D. N. da Silva Neto, A. H. Andrei, A. Dias-Oliveira, B. E. Morgado, G. Benedetti-Rossi, Y. Duchemin, J. Desmars, V. Lainey, W. Thuillot data included in standard data file: no Comments. no information Format. 1. Number of satellite (N sat), 20 - S20 Paaliaq, 26 - S26 Albiorix, 29 - S29 Siarnaq 2. Julian Date of the moment of observation 3. Hour of right ascension (alpha, h) 4. Minute of right ascension (alpha, m) 5. Second of right ascension (alpha, s) 6. Degree of declination (delta, deg) 7. Minute of declination (delta, ' ) 8. Second of declination (delta, " ) 9. Right ascension error at mean epoch (mas) 10. Declination error at mean epoch (mas) 11. Magnitude (apparent) 12. Filter 13. Telescope (E - ESO, OH - OHP) 14. Observatory Code -------------------------------------------------------------------------------------- N JD with alpha delta alpha error delta error mag filter telescope N sat. decimals h m s deg ' " mas mas obs --------------------------------------------------------------------------------------