Sonneberg Plate Photometry for Boyajian's Star in Two Passbands

@article{Hippke2016SonnebergPP,
  title={Sonneberg Plate Photometry for Boyajian's Star in Two Passbands},
  author={Michael Hippke and Peter Kroll and Frank Matthai and Daniel Angerhausen and Taavi Tuvikene and Keivan G. Stassun and E.A. Roshchina and Tatyana Vasileva and I. S. Izmailov and Nikolay N. Samus and Elena N. Pastukhova and Ivan S. Bryukhanov and Michael B. Lund},
  journal={The Astrophysical Journal},
  year={2016},
  volume={837}
}
The F3 main-sequence star KIC 8462852 (Boyajian’s Star) showed deep (up to 20%) day-long brightness dips of unknown cause during the four years of the Kepler mission. A 0.164 mag (16%) dimming between 1890 and 1990 was claimed, based on the analysis of photographic plates from the Harvard Observatory. We have gathered an independent set of historic plates from Sonneberg Observatory, Germany, covering the years of 1934–1995. With 861 mag in B, and 397 mag in V, we find the star to be of constant… 

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TSB acknowledges support provided through NASA grant ADAP12-0172 and ADAP14-0245. MCW and GMK acknowledge the support of the European Union through ERC grant number 279973. The authors acknowledge

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