Fig. 1 from One‐ versus Two‐Shock Heliosphere: Constraining Models with Goddard High Resolution Spectrograph Lyα Spectra toward α Centauri

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One‐ versus Two‐Shock Heliosphere: Constraining Models with Goddard High Resolution Spectrograph Lyα Spectra toward α Centauri

Authors: K. G. Gayley, G. P. Zank, H. L. Pauls, P. C. Frisch, and D. E. Welty

Gayley et al. 1997 The Astrophysical Journal 487 259.

Provider: AAS Journals

Caption: Fig. 1.

The solid curves are GHRS Lyα profiles toward (a) α Cen A and (b) α Cen B, from LW. The upper dashed curve is the assumed intrinsic stellar Lyα emission profile. The dotted curve shows the intrinsic stellar emission line after absorption by a purely LISM cloud with N_H = 4.5 × 10¹⁷ cm⁻², b = 9.3 km s⁻¹, and v = −18.2 km s⁻¹, with D/H = 1.6 × 10⁻⁵.

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