V441 Herculis (89 Herculis) and V814 Herculis (HD 161796) in 1990

Details V441 Herculis (89 Herculis) and V814 Herculis (HD 161796) in 1990 V441 Herculis (89 Herculis) and V814 Herculis (HD 161796) in 1990

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103.1087f&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, Oct. 1991, p. 1087-1090. Research supported by NSE

Astronomy and Astrophysics

Astronomy

10

Stellar Spectrophotometry, Variable Stars, Light Curve, Stellar Oscillations, Ubv Spectra

Scientific paper

Seventy nights of UBV data from 1990 are reported for the UU Herculis stars V441 Her (89 Her) and V814 Her (HD 161796). During this season V441 Her showed its customary 65-d period, while V814 Her showed a complex variability dominated by a 36-d period. The amplitude and mean light level of V814 Her were again larger and brighter than usual. The newly discovered variability of 87 Her (comparison star to V441 Her) is noted and discussed.

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