Optical and X-ray observations of the two BL Lac objects OJ 287 and MS 1458+22
Massaro, E. ; Giommi, P. ; Perri, M. ; ...Valentini, G. ; et al.
Feb - 2003
ISSN : 0004-6361 ;
journal : Astronomy and Astrophysics

Issue : 1
type: Article Journal

Abstract

keywords : MS 1458+22,X-rays: galaxies,galaxies: active,galaxies: individual: OJ 287,techniques: photometry