STARS WITH HA IN EMISSION IN AND NEAR IC 434
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UNAM, Observatorio Astronómico Nacional, CD MEXICO, DF, MEX
Abstract
In a region in Orion and taking as center the Horsehead nebula contained in IC 434 we found 98 stars with Halpha in emission. Most of them are in areas of ionized interstellar matter. At the same time from blue and red direct plates we found a small aggre