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Browsing by Author "Ferro, A. Arellano"

Browsing by Author "Ferro, A. Arellano"

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  • RR Lyrae Stars in the Globular Cluster Palomar 2 
    Ferro, A. Arellano; Fierro, Bustos; Muneer, S; Giridhar, S (Universidad Nacional Autonoma De Mexico, 2023-04)
    A CCD VI imaging time-series over 11-year is employed to explore the light curves of stars in the field of Palomar 2. We discovered 20 RRab and 1 RRc variables. A revision of Gaia-DR3 data enabled us to identify 10 more ...
  • Variable Stars in Palomar 13; an Evaporating Globular Cluster 
    Yepez, M. A; Ferro, A. Arellano; Schröder, K. P.; Muneer, S; Giridhar, Sunetra; Allen, Christine (Astronomical Society of the Pacific, 2021-06)
    We present new CCD VI photometry of the globular cluster Pal 13. Fourier decomposition of the light curves of RRab stars lead to estimations of [Fe/H]ZW = -1.65±0.15, and a distance to the cluster of 23.67±0.57 kpc. A ...

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