Contents.
planet: 8 - Neptune
satellites: N2 Nereid : 902
total number: 902
type: absolute
dates: 1992-2014
observatory: 809 - European Southern Observatory, La Silla
874 - Itajuba
Reference.
Gomes-Junior 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: 809 - 2.2m Max-Planck ESO telescope with the Wide Field Imager (WFI) CCD mosaic detector
874 - 0.6m Boller&Chivens telescope
874 - 1.6m Perkin-Elmer telescope
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), 02 - N02 Nereid
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 (C if filter was not used; "-" if unknown)
13. Telescope (E - ESO, PE - Perkin-Elmer, BC - Bollen & Chivens)
14. Observatory Code
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N JD with alpha delta alpha error delta error mag filter telescope N
sat. decimals h m s deg ' " mas mas obs
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