25 citations · 43 across the 4 of their papers we have counts for
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A first view with GAIA on KIC 8462852 - distance estimates and a comparison to other F stars
Michael Hippke, Daniel Angerhausen
Distance estimates from Gaia parallax and expected luminosities are compared for KIC 8462852. Gaia DR1 yields a parallax of mas, that is a distance of $391.4\substack{…
Sonneberg plate photometry for Boyajian's Star in two passbands
Michael Hippke, Peter Kroll, Frank Matthei +10
The F3 main sequence star KIC 8462852 (Boyajian's Star) showed deep (up to 20%) day-long brightness dips of unknown cause during the 4 years of the Kepler mission. A 0.164 mag (16%…
Pulsation period variations in the RRc Lyrae star KIC 5520878
Michael Hippke, John G. Learned, A. Zee +5
Learned et. al. proposed that a sufficiently advanced extra-terrestrial civilization may tickle Cepheid and RR Lyrae variable stars with a neutrino beam at the right time, thus cau…
Square root two period ratios in Cepheid and RR Lyrae variable stars
Michael Hippke, John G. Learned, A. Zee
We document the presence of a few Cepheid and RR Lyrae variable stars with previously unrecognized characteristics. These stars exhibit the property of a period ratio of main pulsa…