LkH-alpha 324, an interesting young star, in 1983-1985

Details LkH-alpha 324, an interesting young star, in 1983-1985 LkH-alpha 324, an interesting young star, in 1983-1985

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pazh...12..475k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 12, June 1986, p. 475-479) Soviet Astronomy Letters (ISSN 0360-0327), vol. 12, May-June

Astronomy and Astrophysics

Astronomy

Early Stars, Emission Spectra, Faint Objects, Spectrum Analysis, Stellar Spectrophotometry, H Alpha Line, H Beta Line, Pre-Main Sequence Stars, Variable Stars

Scientific paper

Spectral (covering Hα and Hβ regions) and UBV photometric observations of the young star LkHα 324 carried out in 1983 - 1985 are presented. The spectrum of the star shows strong Hα emission, whereas the contribution of Hβ emission completely {blurs} the absorption line profile. The brightness variation of LkHα 324 did not exceed 0m.3, the mean values of V ≈ 12m.75, B-V ≈ +1m.13 and U-B ≈ +0m.44. The comparison of the UBV data with the bulk of previous photometric results allows to conclude that within the period from 1975 to 1980 the star has experienced a remarkable brightening with amplitude ΔV > 1m. Significant changes in its spectrum are probably connected with this phenomenon.

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