Search for variable stars in the young open cluster Stock 18
Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital, 263 001, India
Published online: 8 September 2017
We have carried out multi-epoch deep I band photometry of the open cluster Stock 18 to search for variable stars in star forming regions. In the present study, we report identification of 28 periodic and 165 non-periodic variables stars. The periods of most of the periodic variables are in between 2 to 20 hours and their magnitude varies between 0.05 to 0.6 mag. We have derived spectral energy distributions for 48 probable pre-main sequence variables and the average age and mass is found to be 2.7 ± 0.3 Myrs and 2.7 ± 0.2 M⊙, respectively.
© The Authors, published by EDP Sciences, 2017
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