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Friends of Hot Jupiters III: An Infrared Spectroscopic Search for Low-Mass Stellar Companions
Danielle Piskorz, Heather A. Knutson, Henry Ngo +5
Surveys of nearby field stars indicate that stellar binaries are common, yet little is known about the effects that these companions may have on planet formation and evolution. The…
Multiwavelength Transit Observations of the Candidate Disintegrating Planetesimals Orbiting WD 1145+017
Bryce Croll, Paul A. Dalba, Andrew Vanderburg +12
We present multiwavelength, multi-telescope, ground-based follow-up photometry of the white dwarf WD 1145+017, that has recently been suggested to be orbited by up to six or more,…
Attaining Doppler Precision of 10 cm/s with a Lock-In Amplified Spectrometer
Rebecca Jensen-Clem, Philip S. Muirhead, Michael Bottom +3
We explore the radial velocity performance benefits of coupling starlight to a fast-scanning interferometer and a fast-readout spectrometer with zero readout noise. By rapidly scan…
The Transit Transmission Spectrum of a Cold Gas Giant Planet
Paul A. Dalba, Philip S. Muirhead, Jonathan J. Fortney +3
We use solar occultations observed by the Visual and Infrared Mapping Spectrometer aboard the Cassini Spacecraft to extract the 1 to 5 micron transmission spectrum of Saturn, as if…
Tests of the planetary hypothesis for PTFO 8-8695b
Liang Yu, Joshua N. Winn, Michaël Gillon +16
The T Tauri star PTFO 8-8695 exhibits periodic fading events that have been interpreted as the transits of a giant planet on a precessing orbit. Here we present three tests of the…
Radial Velocity Prospects Current and Future: A White Paper Report prepared by the Study Analysis Group 8 for the Exoplanet Program Analysis Group (ExoPAG)
Peter Plavchan, Dave Latham, Scott Gaudi +17
[Abridged] The Study Analysis Group 8 of the NASA Exoplanet Analysis Group was convened to assess the current capabilities and the future potential of the precise radial velocity (…