Photographic observations of the Saturn’s moons in MAO NAS of Ukraine in 1961–1990
Heading:
| 1Yizhakevych, OM, 1Andruk, VM, 1Pakuliak, LK 1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine |
| Kinemat. fiz. nebesnyh tel (Online) 2017, 33(3):70-80 |
| https://doi.org/10.15407/kfnt2017.03.070 |
| Start Page: Positional and Theoretical Astronomy |
| Language: Russian |
Abstract: Catalog of 1385 astrometric positions of the Saturn’s moons (S2-S9) was obtained with Tycho-2 as reference frame on the basis of photographic observations carried out in MAO NAS of Ukraine during 1961-1990. The digitizing of photographic negatives was done using Epson Expression 10000XL (ЕЕ) commercial scanner in a gray scale 16 bits with the resolution 1200 dpi. The reduction was carried out in the LINUX-MIDAS-ROMAFOT software supplemented with additional modules. The internal positional accuracy of the reduction is 0.09…0.23 arcsec for both coordinates, the photometric one is 0.27…0.37 mag for photographic magnitudes of Tycho-2 catalog. The calculated topocentric positions of moons were compared with the ephemeris data DE405+ TASS1,7 from IMCCE in on-line mode. For the most moons, the differential coordinates “satellite minus satellite” were derived from the comparison with theoretical data (http://lnfm1.sai.msu.ru/neb/nss/nssep hmr.htm). |
| Keywords: catalog of astrometric positions, Saturn’s Moons |
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