Browsing by Author "Dmitrienko, E. S"

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Four years of starspot evolution on an active F-type ultra-fast rotator KIC 6791060

Karmakar, Subhajeet; Pandey, J. C; Savanov, Igor S; Raj, A; Dmitrienko, E. S; Pakhomov, Yurij; Sahu, D. K (Cambridge University Press, 2018-02)

Using the data obtained from Kepler satellite, we have analyzed an F-type ultra-fast rotator KIC 6791060. We derive a rotational period of 0.34365±0.00004 d. Multiple periodicity with a period separation of ∼0.00016 d was ...
Study of chemically peculiar stars - I. High-resolution spectroscopy and K2 photometry of Am stars in the region of M44

Joshi, Santosh; Trust, Otto; Semenko, E; Williams, P. E; Lampens, P; De Cat, P; Vermeylen, L; Holdsworth, D. L; García, R. A; Mathur, S; Santos, A. R. G; Mkrtichian, D; Goswami, A; Cuntz, M; Yadav, A. P; Sarkar, M; Bhatt, B. C; Kahraman Alicavus, F; Nhlapo, M. D; Lund, M. N; Goswami, P. P; Savanov, I; Jorissen, A; Jurua, E; Avvakumova, E; Dmitrienko, E. S; Chakradhari, N. K; Das, M. K; Chowdhury, S; Abedigamba, O. P; Yakunin, I; Letarte, B; Karinkuzhi, D (Oxford University Press on behalf of Royal Astronomical Society, 2022-03)

We present a study based on the high-resolution spectroscopy and K2 space photometry of five chemically peculiar stars in the region of the open cluster M44. The analysis of the high-precision photometric K2 data reveals ...

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