1989•Unpublished venueRequires access

The photometric periods of the intermediate polar EX Hydrae

N. M. H. Siegel, K. Reinsch, K. Beuermann, H.J. van der Woerd, Eric Wolff

Abstract

Les observations de la nova naine EX Hya en photometrie 5 couleurs (V, B, L, U et W) sont presentees. Les modulations de la periode de 67 min, la variation orbitale de 98 min et l'eclipse optique sont etudiees. Les periodes sont analysees statistiquement. EX Hya est une binaire dont la seconde composante est une naine blanche. La periode de 67 min correspond a la periode rotationnelle de la naine blanche et celle de 98 min a la periode orbitale de la binaire

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Key concepts: Physics, Humanities, Astrophysics, Eclipse, Art