Confirmation of the Changing Period of DL Cassiopeiae

Volume 17 number 1 (1988)

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Carrie J. E. Meyers
Maria Mitchell Observatory,

Abstract

An exteded O-C diagram of the Cepheid variable DL Cas confirms that the period has increased. The new parabolic elements are: JD(max)= 2437932.137 + 8.000536 E + 0.000000095 E2. The data do not, hovever, distinguish between the parabolic and other functional forms of the elements.