The search of rotational modulation of the T Tauri-type stars in the ophiuchus dark clouds

Abstract We present some results of the long-term photometric program ROTOR being carryed out at the Mt. Maidanak observatory. The program seeks for a periodic components in the emission of the non-stationary T Tauri-type stars (TTS), HAEBE, FUORs and related objects. In this paper we analyse the results concerning TTS in Rho Oph dark clouds and vicinity. Our sample of stars includes 6 weak-emission TTS (WTTS) and 11 classical TTS (CTTS). Key Words: T Tauri type starsstar rotationsstar formations

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