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Astron. Astrophys. 343, 661 (1999)

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Erratum

A generalized version of the Rankine-Hugoniot relations including ionization, dissociation, radiation and related phenomena

H. Nieuwenhuijzen 1,2, C. de Jager 1,2, M. Cuntz 3, A. Lobel 4 and L. Achmad 1

1 Laboratory for Space Research, Sorbonnelaan 2, 3584 CA, Utrecht, The Netherlands
2 Astronomical Institute, Princetonplein 5, 3584 CC, Utrecht, The Netherlands
3 Center for Space Plasma, Aeronomy, and Astrophysics Research, University of Alabama in Huntsville (UAH), TH S101,
Huntsville, AL 35899, USA
4 Armagh Observatory, College Hill, Armagh BT61 9DG, Northern Ireland

Astron. Astrophys. 280, 195-200 (1993)




In Eq. (6) on page 196 a minus sign should be introduced, so that Eq. (6) reads

[EQUATION]

or, alternatively, [FORMULA] should be replaced by [FORMULA]. Here [FORMULA] is the velocity behind the shock (usually positive), and [FORMULA] is the velocity in front of the shock (usually negative). In this case we assumed [FORMULA] with [FORMULA] being the amplitude of the flow speed. This assumption corresponds to a symmetric sawtooth-type shock. In this case Eq. (5) follows directly from Eq. (6). In the general case, the LHS of the above given equation should read [FORMULA]. The modified version of the Rankine-Hugoniot equations (see Sect. 2) is however not affected by this assumption.



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© European Southern Observatory (ESO) 1999

Online publication: March 1, 1999
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