output
19922026
Showing 2018 · astro-ph.EPShow all

23 papers · 2 filters

astro-ph.EP2018★ 101 cited

TESS full orbital phase curve of the WASP-18b system

Avi Shporer, Ian Wong, Chelsea X. Huang +18

We present a visible-light full orbital phase curve of the transiting planet WASP-18b measured by the TESS Mission. The phase curve includes the transit, secondary eclipse, and sin…

astro-ph.EP2018★ 53 cited

A Jovian planet in an eccentric 11.5 day orbit around HD1397 discovered by TESS

L. D. Nielsen, F. Bouchy, O. Turner +36

The Transiting Exoplanet Survey Satellite TESS has begun a new age of exoplanet discoveries around bright host stars. We present the discovery of HD 1397b (TOI-120.01), a giant pla…

astro-ph.EP2018★ 14 cited

Constraining the period of the ringed secondary companion to the young star J1407 with photographic plates

R. T. Mentel, M. A. Kenworthy, D. A. Cameron +13

Context. The 16 Myr old star 1SWASP J140747.93-394542.6 (V1400 Cen) underwent a series of complex eclipses in May 2007, interpreted as the transit of a giant Hill sphere filling de…

astro-ph.EP2018★ 86 cited

HD 202772A B: A Transiting Hot Jupiter Around A Bright, Mildly Evolved Star In A Visual Binary Discovered By Tess

Songhu Wang, Matias Jones, Avi Shporer +52

We report the first confirmation of a hot Jupiter discovered by the Transiting Exoplanet Survey Satellite (TESS) mission: HD 202772A b. The transit signal was detected in the data…

astro-ph.EP2018★ 161 cited

TESS Discovery of an ultra-short-period planet around the nearby M dwarf LHS 3844

Roland Vanderspek, Chelsea X. Huang, Andrew Vanderburg +45

Data from the newly-commissioned \textit{Transiting Exoplanet Survey Satellite} (TESS) has revealed a "hot Earth" around LHS 3844, an M dwarf located 15 pc away. The planet has a r…

astro-ph.EP2018★ 33 cited

A Discrete Set of Possible Transit Ephemerides for Two Long Period Gas Giants Orbiting HIP 41378

Juliette C. Becker, Andrew Vanderburg, Joseph E. Rodriguez +22

In 2015, K2 observations of the bright (V = 8.9, K = 7.7) star HIP 41378 revealed a rich system of at least five transiting exoplanets, ranging in size from super-Earths to gas gia…

astro-ph.EP2018★ 207 cited

TESS Discovery of a Transiting Super-Earth in the Mensae System

Chelsea X. Huang, Jennifer Burt, Andrew Vanderburg +45

We report the detection of a transiting planet around Mensae (HD 39091), using data from the Transiting Exoplanet Survey Satellite (TESS). The solar-type host star is unusually…

astro-ph.EP2018★ 13 cited

On the possibility of detecting ultra-short period exoplanets with LISA

Kaze W. K. Wong, Emanuele Berti, William E. Gabella +1

Cunha et al. (2018) recently reexamined the possibility of detecting gravitational waves from exoplanets, claiming that three ultra-short period systems would be observable by LISA…

astro-ph.EP2018★ 29 cited

The first super-Earth Detection from the High Cadence and High Radial Velocity Precision Dharma Planet Survey

Bo Ma, Jian Ge, Matthew Muterspaugh +23

The Dharma Planet Survey (DPS) aims to monitor about 150 nearby very bright FGKM dwarfs (within 50 pc) during 20162020 for low-mass planet detection and characterization using t…

astro-ph.EP2018★ 13 cited

Precovery of TESS Single Transits with KELT

Xinyu Yao, Joshua Pepper, B. Scott Gaudi +12

During the TESS prime mission, 74% of the sky area will only have an observational baseline of 27 days. For planets with orbital periods longer than 13.5 days, TESS can only captur…

astro-ph.EP2018★ 13 cited

EPIC 246851721 b: A Tropical Jupiter Transiting a Rapidly Rotating Star in a Well-Aligned Orbit

Liang Yu, George Zhou, Joseph E. Rodriguez +15

We report the discovery of EPIC 246851721 b, a "tropical" Jupiter in a 6.18-day orbit around the bright () star EPIC 246851721 (TYC 1283-739-1). We present a detailed ana…

astro-ph.EP2018★ 221 cited

Global Climate and Atmospheric Composition of the Ultra-Hot Jupiter WASP-103b from HST and Spitzer Phase Curve Observations

Laura Kreidberg, Michael R. Line, Vivien Parmentier +12

We present thermal phase curve measurements for the hot Jupiter WASP-103b observed with Hubble/WFC3 and Spitzer/IRAC. The phase curves have large amplitudes and negligible hotspot…

astro-ph.EP2018★ 102 cited

Measuring the Recoverability of Close Binaries in Gaia DR2 with the Robo-AO Kepler Survey

Carl Ziegler, Nicholas M. Law, Christoph Baranec +6

We use the Robo-AO survey of Kepler planetary candidate host stars, the largest adaptive optics survey yet performed, to measure the recovery rate of close stellar binaries in Gaia…

astro-ph.EP2018★ 52 cited

A Compact Multi-Planet System With A Significantly Misaligned Ultra Short Period Planet

Joseph E. Rodriguez, Juliette C. Becker, Jason D. Eastman +20

We report the discovery of a compact multi-planet system orbiting the relatively nearby (78pc) and bright () K-star, K2-266 (EPIC248435473). We identify up to six possible p…

astro-ph.EP2018★ 23 cited

A Recommendation Algorithm to Predict Giant Exoplanet Host Stars Using Stellar Elemental Abundances

Natalie R. Hinkel, Cayman Unterborn, Stephen R. Kane +2

The presence of certain elements within a star, and by extension its planet, strongly impacts the formation and evolution of the planetary system. The positive correlation between…

astro-ph.EP2018★ 593 cited

A Framework for Prioritizing the TESS Planetary Candidates Most Amenable to Atmospheric Characterization

Eliza M. -R. Kempton, Jacob L. Bean, Dana R. Louie +40

A key legacy of the recently launched TESS mission will be to provide the astronomical community with many of the best transiting exoplanet targets for atmospheric characterization…

astro-ph.EP2018★ 22 cited

UKIRT-2017-BLG-001Lb: A giant planet detected through the dust

Y. Shvartzvald, S. Calchi Novati, B. S. Gaudi +8

We report the discovery of a giant planet in event UKIRT-2017-BLG-001, detected by the UKIRT microlensing survey. The mass ratio between the planet and its host is $q=1.50_{-0.14}^…

astro-ph.EP2018★ 18 cited

KELT-22Ab: A Massive Hot Jupiter Transiting a Near Solar Twin

Jonathan Labadie-Bartz, Joseph E. Rodriguez, Keivan G. Stassun +58

We present the discovery of KELT-22Ab, a hot Jupiter from the KELT-South survey. KELT-22Ab transits the moderately bright () Sun-like G2V star TYC 7518-468-1. The plane…

astro-ph.EP2018★ 20 cited

Two warm, low-density sub-Jovian planets orbiting bright stars in K2 campaigns 13 and 14

Liang Yu, Joseph E. Rodriguez, Jason D. Eastman +25

We report the discovery of two planets transiting the bright stars HD 89345 (EPIC 248777106, , ) in K2 Campaign 14 and HD 286123 (EPIC 247098361, , $K=8.…

astro-ph.EP2018★ 77 cited

The KELT Follow-Up Network and Transit False Positive Catalog: Pre-vetted False Positives for TESS

Karen A. Collins, Kevin I. Collins, Joshua Pepper +108

The Kilodegree Extremely Little Telescope (KELT) project has been conducting a photometric survey for transiting planets orbiting bright stars for over ten years. The KELT images h…

astro-ph.EP2018★ 9 cited

KELT: The Kilodegree Extremely Little Telescope, a Survey for Exoplanets Transiting Bright, Hot Stars

Joshua Pepper, Keivan Stassun, B. Scott Gaudi

The KELT project was originally designed as a small-aperture, wide-field photometric survey that would be optimally sensitive to planets transiting bright (V~8-10) stars. This magn…

astro-ph.EP2018★ 10 cited

A Multi-Year Search For Transits Of Proxima Centauri. I: Light Curves Corresponding To Published Ephemerides

David L. Blank, Dax Feliz, Karen A. Collins +14

Proxima Centauri has become the subject of intense study since the radial-velocity discovery by Anglada-Escudé et al. 2016 of a planet orbiting this nearby M-dwarf every ~ 11.2 day…

astro-ph.EP2018★ 39 cited

KELT-21b: A Hot Jupiter Transiting the Rapidly-Rotating Metal-Poor Late-A Primary of a Likely Hierarchical Triple System

Marshall C. Johnson, Joseph E. Rodriguez, George Zhou +65

We present the discovery of KELT-21b, a hot Jupiter transiting the A8V star HD 332124. The planet has an orbital period of days and a radius of $…