Identifying T Tauri Stars using Small Scale Optical Telescopes

Astronomy and Astrophysics – Astronomy

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Scientific paper

The Spuck-Butchart Optical Survey Method (SBOS) is a simplified method of identifying T Tauri stars using small scale optical telescopes. However, to date the method has only been used in an attempt to distinguish T Tauri stars from standard stars. AGN and active M dwarf stars emit excess in both infrared and H-alpha, similar to T Tauri stars, making it possible that these types of objects will contaminate T Tauri selection. This study uses observations from the Kitt Peak National Observatory 0.9 Meter Telescope to further investigate the SBOS method and its true efficiency. The results of this study indicate that the initial efficiency of 70% is incorrect. Due to potential contamination by active M dwarf stars, the true efficiency is closer to 35%. The study demonstrates that while identification efficiency is much lower than initially thought, the SBOS method shows great promise for both professional and amateur research of young stellar objects.

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