CCD positions for eight Jovian irregular satellites

被引：0
|
作者：
Veiga, C. H. [1 ]
机构：
[1] Observ Nacl, MCT, BR-20921400 Rio De Janeiro, Brazil
来源：
ASTRONOMY & ASTROPHYSICS | 2006年 / 453卷 / 01期
关键词：
astrometry; celestial mechanics; ASTROMETRIC OBSERVATIONS;
D O I：
10.1051/0004-6361:20054644
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The astrometric positions of eight irregular Jovian satellites are given for the oppositions of the planet from 1995 to 1999. These positions were measured on 204 CCD frames obtained at the Cassegrain focus of a 1.6 m reflector. They are compared with the theoretically calculated positions from JPL Development Ephemeris. The observed minus-calculated standard deviation for all observations of the eight satellites are sigma(alpha)=0.'' 071 and sd = sigma(delta) = 0.'' 052. The USNO-A2.0 catalog was used for the astrometric calibration.
引用
收藏
页码：349 / 352
页数：4
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