Autor:	H. Meusinger, S. Klose, R. Ziener
Rok vydání:	1994
Předmět:	010504 meteorology & atmospheric sciences 0103 physical sciences 010303 astronomy & astrophysics 01 natural sciences 0105 earth and related environmental sciences
Zdroj:	Symposium - International Astronomical Union. 161:737-739
ISSN:	0074-1809
Popis:	We report first results of a photometric investigation of the optical long-term behaviour of a sample of quasars. Our study is based on the plate archive of the Tautenburg 134 cm Schmidt telescope which covers a time baseline of over 30 years.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4c7085b0583aa89afbb1c735ca8762a5 https://doi.org/10.1017/s0074180900048452 Zobrazit plný text záznamu