Figure 5 from Near-ultraviolet Excess in Slowly Accreting T Tauri Stars: Limits Imposed by Chromospheric Emission

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Near-ultraviolet Excess in Slowly Accreting T Tauri Stars: Limits Imposed by Chromospheric Emission

Authors: Laura Ingleby, Nuria Calvet, Edwin Bergin, Gregory Herczeg, Alexander Brown, Richard Alexander, Suzan Edwards, Catherine Espaillat, Kevin France, Scott G. Gregory, Lynne Hillenbrand, Evelyne Roueff, Jeff Valenti, Frederick Walter, Christopher Johns-Krull, Joanna Brown, Jeffrey Linsky, Melissa McClure, David Ardila, Hervé Abgrall, Thomas Bethell, Gaitee Hussain, and Hao Yang

Ingleby et al. 2011 The Astrophysical Journal 743 105.

Provider: AAS Journals

Caption: Figure 5.

COS FUV spectra of the WTTS RECX-1 (lower red) and the CTTS RECX-11 (upper black). The RECX-11 spectrum is offset vertically for clarity. Strong lines of Lyα-fluoresced H ₂ and atomic lines are labeled. The blue dashes show the wavelengths at which additional H ₂ emission lines from Lyα pumping may be seen. RECX-1 shows a lack of molecular gas lines which are apparent in RECX-11; essentially no gas exists in the inner disk region of RECX-1.

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