KIC 8462852: Potential repeat of the Kepler day 1540 dip in August 2017

KIC 8462852: Potential repeat of the Kepler day 1540 dip in August 2017

We report 33 V-band observations by the Hereford Arizona Observatory (HAO) of the enigmatic star KIC 8462852 during the two week period 3-17 August 2017. We find a striking resemblance of these observations to the Kepler day 1540 dip with HAO observations tracking the Kepler light curve (adjusted fo...

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Veröffentlicht in:arXiv.org 2017-11
Hauptverfasser: Bourne, Rafik, Bruce, Gary
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Eccentric orbits
Egress
Light curve
Radial velocity
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description We report 33 V-band observations by the Hereford Arizona Observatory (HAO) of the enigmatic star KIC 8462852 during the two week period 3-17 August 2017. We find a striking resemblance of these observations to the Kepler day 1540 dip with HAO observations tracking the Kepler light curve (adjusted for egress symmetry). A possible explanation of this potential repeat transit is a brown dwarf and extensive ring system in a 1601-day eccentric orbit. We suggest this object may be detectable through radial velocity observations in October and November 2017, with an amplitude of ~ 1-2 kms-1.
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subjects Eccentric orbits
Egress
Light curve
Radial velocity
title KIC 8462852: Potential repeat of the Kepler day 1540 dip in August 2017
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