Issue |
Astron. Astrophys. Suppl. Ser.
Volume 135, Number 3, March II 1999
|
|
---|---|---|
Page(s) | 499 - 501 | |
DOI | https://doi.org/10.1051/aas:1999453 | |
Published online | 15 March 1999 |
Mesures d'étoiles doubles effectuées à la lunette de 50 cm de l'Observatoire de Nice avec une caméra CCD*
CCD measurements of visual double stars made with the 50 cm refractor of the Nice Observatory
1
Observatoire de la Côte d'Azur, Département Fresnel, BP. 229, 06304 Nice Cedex, France
2
Route des Choseaux, 74320 Sevrier, France
3
25 Bd. Arago, 75013 Paris, France e-mail: guy.morlet@wanadoo.fr
4
161 Av. Ste Marguerite, Clos Ste Marguerite, 06210 Nice, France e-mail: r-gili@infonie.fr
Received:
16
November
1998
Accepted:
19
November
1998
We present the measurements of 49 visual double stars made in 1997 with the 50 cm refractor of the Nice Observatory (Table 1). A CCD camera was attached to this refractor. Some new binaries discovered by Hipparcos have been measured. The algorithm used for these measurements is based on the adjustment of a tridimensional mathematical surface.
Key words: astrometry / binaries: visual
© European Southern Observatory (ESO), 1999