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Spectroscopy and Kinematics of the High-Latitude UX Ori Type Star V1117 Her

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Results from a study of low resolution spectra and kinematics of the star V1117 Her located at a high galactic latitude b = +33°.8 are presented. It is shown that this star has A7 IV photospheric class, luminosity L ≈ 26 Lʘ, and spectral signs of accretion activity. This confirms its previous classification as a young Ae Herbig star with photometric UX Ori type variability. In addition, the parallax of V1117 Her in the GAIA DR2 catalog corresponds to a distance of D ≈ 1.4 kpc to it, which represents a height Z ≈ 800 pc of the star above the galactic plane. Here the kinetics of the star indicates its more probable formation in situ, outside the plane of the young disk. A possible scenario for the formation of V1117 Her is discussed briefly.

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Authors and Affiliations

  1. Institute of Solar-Terrestrial Physics, Siberian Branch of the Russian Academy of Sciences (ISTP SB RAS), Irkutsk, Russia

    I. S. Potravnov & M. V. Eselevich

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  1. I. S. Potravnov
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  2. M. V. Eselevich
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Correspondence to I. S. Potravnov.

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Translated from Astrofizika, Vol. 63, No. 4, pp. 547-557 (November 2020)

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Potravnov, I.S., Eselevich, M.V. Spectroscopy and Kinematics of the High-Latitude UX Ori Type Star V1117 Her. Astrophysics 63, 482–490 (2020). https://doi.org/10.1007/s10511-020-09652-1

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  • DOI: https://doi.org/10.1007/s10511-020-09652-1

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