Determinations of optical positions for four extragalactic radio sources with CCD

• Published in: Кинематика и физика небесных тел
• Date: 1998
• Main Authors: Tang, Zh., Wang, Sh., Jin, W.
• Format: Article
• Language: English
• Published: Головна астрономічна обсерваторія НАН України 1998
• Subjects: Позиционная и теоретическая астрономия
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/216119
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Determinations of optical positions for four extragalactic radio sources with CCD / Zh. Tang, Sh. Wang, W. Jin // Кинематика и физика небесных тел. — 1998. — Т. 14, № 5. — С. 451-456. — Бібліогр.: 15 назв. — рос.

From the twenty CCD observations made with the Schmidt telescope of Beijing Observatory, the optical positions of four radio sources 0851+202, 1228+126, 1442+101 and 1749+701 are given, using the method of single plate-constant and taking five catalogues as references: ACT, CMC, PPM, NPM and HIP. A...