The Extinction Law in the Orion Nebula

Details The Extinction Law in the Orion Nebula The Extinction Law in the Orion Nebula

May 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970bott....5..229c&link_type=abstract

Boletín de los Observatorios de Tonantzintla y Tacubaya Vol. 5, pp. 229-236 (1970) (http://www.astroscu.unam.mx/~bott/)

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49

Ism: Individual (Orion Nebula), Ism: Dust, Extinction

Scientific paper

An average extinction law for the Orion Nebula is obtained by comparing emission line optical observations and continuum radio observations with theoretical computations for four regions in the Nebula. The derived law is abnormal and yields an R = 5.5 +/- 0.7. Normalizing the E_B-R values of stars in the Orion Nebula to our extinction law it is found that the agreement is good in the U, V, I, and J excesses, but not for K and L which show significant additional emission. Possibly this emission is due to dust reradiation and to nebular free-free and emission line radiation produced near the stars.

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