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17 papers · 2 filters
On the Orbital Inclination of Proxima Centauri b
Stephen R. Kane, Dawn M. Gelino, Margaret C. Turnbull
The field of exoplanetary science has seen discovery rates increase dramatically over recent years, due largely to the data from the Kepler mission. Even so, individual discoveries…
Peculiar architectures for the WASP-53 and WASP-81 planet-hosting systems
Amaury H. M. J. Triaud, Marion Neveu-VanMalle, Monika Lendl +16
We report the detection of two new systems containing transiting planets. Both were identified by WASP as worthy transiting planet candidates. Radial-velocity observations quickly…
ACCESS I: An Optical Transmission Spectrum of GJ 1214b Reveals a Heterogeneous Stellar Photosphere
Benjamin Rackham, Néstor Espinoza, Dániel Apai +8
GJ 1214b is the most studied sub-Neptune exoplanet to date. Recent measurements have shown its near-infrared transmission spectrum to be flat, pointing to a high-altitude opacity s…
Shape model of asteroid (130) Elektra from optical photometry and disk-resolved images from VLT/SPHERE and Nirc2/Keck
Josef Hanus, Franck Marchis, Matti Viikinkoski +2
Asteroid (130) Elektra belongs to one of the six known triple asteroids in the main belt, so its mass has been reliably determined. We aim to use all available disk-resolved images…
Jupiter's Phase Variations from Cassini: a testbed for future direct-imaging missions
L. C. Mayorga, J. Jackiewicz, K. Rages +4
We present phase curves of Jupiter from 0-140 degrees as measured in multiple optical bandpasses by Cassini/ISS during the Millennium flyby of Jupiter in late 2000 to early 2001. P…
A population of planetary systems characterized by short-period, Earth-sized planets
Jason H. Steffen, Jeffrey L. Coughlin
We analyze data from the Quarter 1-17 Data Release 24 (Q1--Q17 DR24) planet candidate catalog from NASA's Kepler mission, specifically comparing systems with single transiting plan…