BVRI photometry of QSO 0957+ 561A, B: Observations, new reduction method, and time delay
- Serra-Ricart, M.
- Oscoz, A.
- Sanchís, T.
- Mediavilla, E.
- Goicoechea, L.J.
- Licandro, J.
- Alcalde, D.
- Gil-Merino, R.
ISSN: 1538-4357, 0004-637X
Année de publication: 1999
Volumen: 526
Número: 1 PART 1
Pages: 40-51
Type: Article