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Physical Study of a Bright Rim in the Horsehead Nebula

Published online by Cambridge University Press:  14 August 2015

R. Louise  and
C. Sapin
R. Louise
Affiliation:
Observatoire de Marseille, 2, place Le Verrier, F 13004 Marseille, France
C. Sapin
Affiliation:
Observatoire de Marseille, 2, place Le Verrier, F 13004 Marseille, France

Abstract

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The wellknown ‘Horsehead’ nebula is photographed with narrow interference filters centered respectively on Hα and [N II] (λ = 6584 Å). The [N II]/Hα ratio is deduced and its variation towards the Horsehead bright rim is studied. It is shown that the maximum value of the temperature is not reached on the rim itself but in a narrow zone located just behind it and ahead of the dark matter.

Type
Part VIII Dust and H II Regions
Information
Symposium - International Astronomical Union , Volume 52: Interstellar Dust and Related Topics , 1973 , pp. 465 - 470
Copyright
Copyright © Reidel 1973 

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