| Issue |
Astron. Astrophys. Suppl. Ser.
Volume 143, Number 3, May I 2000
|
|
|---|---|---|
| Page(s) | 405 - 407 | |
| DOI | https://doi.org/10.1051/aas:2000186 | |
| Published online | 15 May 2000 | |
Astrometric photographic observations of Helene *,**
Observatório Nacional, Rua Gal. José Cristino 77, 20921-400 Rio de Janeiro, Brazil e-mail: cave@on.br or rvm@on.br
Send offprint request to: C.H. Veiga
Received:
16
November
1999
Accepted:
19
January
2000
Astrometric photographic positions of the Saturnian satellite
Helene obtained from 22 plates taken in 6 nights are presented.
The observations are distributed between 5 missions in 1985 and
1987. All positions are compared with those calculated by Jacobson (1999). The residuals have mean and standard deviation smaller than
and 
respectively.
Key words: astrometry / planets and satellites / Saturn
© European Southern Observatory (ESO), 2000