AAVSO: American Association of Variable Star Observers

The Long-term Period Changes of the Cepheid Variable SV Monocerotis

Volume 49 number 2 (2021)

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Pradip Karmakar
Department of Mathematics, Madhyamgram High School(H.S.), Madhyamgram, Sodepur Road, Kolkata - 700129, India. pradipkarmakar39@gmail.com
Gerard Samolyk
P.O. Box 20677, Greenfield, WI 53220. gsamolyk@wi.rr.com

Abstract

We present the long-term period changes of the Cepheid variable SV Mon, as determined by a parabolic fit to archived observations made from 1911 through mid-2021. We found that its period is increasing at a rate of 4.1 s/yr, showing a long-term evolutionary trend.