Fig. 8 from Optical Spectral Monitoring of XTE J1118+480 in Outburst: Evidence for a Precessing Accretion Disk?

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Optical Spectral Monitoring of XTE J1118+480 in Outburst: Evidence for a Precessing Accretion Disk?

Authors: M. A. P. Torres, P. J. Callanan, M. R. Garcia, J. E. McClintock, P. Garnavich, Z. Balog, P. Berlind, W. R. Brown, M. Calkins, and A. Mahdavi

Torres et al. 2002 The Astrophysical Journal 569 423.

Provider: AAS Journals

Caption: Fig. 8.

Trailed spectrogram and Doppler maps of Hα, Hβ, and He II λ4686 built with data acquired during May 25. The Hβ map suggests an eccentric disk. Note that only the FBP tomogram was computed for Hα because of the proximity of the blueward absorption feature to the wing of the line (see Fig. 3).

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