Khamitov I.; Bikmaev I.; Aslan Z.; Sakhibullin N.; Vlasyuk V.; Zheleznyak A.; Zakharov A.
(2006)
We present the R c-band light curves for components A and B of the gravitationally lensed quasar SBS 1520+530 obtained during 2001-2005 with the 1.5-m Russian-Turkish Telescope (RTT-150) at the TUBITAK National Observatory ...