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The Characteristic Period of Pulsation of β Gruis


Sebastián A. Otero

Grupo Wezen 1 88, Buenos Aires, Argentina, and Centro de Estudios Astronómicos (CEA), Mar del Plata, Argentina


Terry Moon

Astronomical Society of South Australia (ASSA), GPO Box 199, Adelaide, SA 5001, Australia


Received November 29, 2005; revised June 15, 2006; accepted June 17, 2006

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Abstract  Analysis of photoelectric and visual photometry of the red giant β Gru led to the detection of a 37-day period with a V-range of 0.34 magnitude and the consequent reclassification of the star from the type Lc to SRb.

Link to article on ADS

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