activity
20132026
most citedA giant planet undergoing extreme ultraviolet irradiation by its hot massive-star host

270 citations · 3.6k across the 137 of their papers we have counts for

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Showing 2019Show all

15 papers · 1 filter

astro-ph.EP2019★ 38 cited

KELT-25b and KELT-26b: A Hot Jupiter and a Substellar Companion Transiting Young A-stars Observed by TESS

Romy Rodríguez Martínez, B. Scott Gaudi, Joseph E. Rodriguez +89

We present the discoveries of KELT-25b (TIC 65412605, TOI-626.01) and KELT-26b (TIC 160708862, TOI-1337.01), two transiting companions orbiting relatively bright, early A-stars. Th…

astro-ph.EP2019★ 49 cited

A well aligned orbit for the 45 Myr old transiting Neptune DS Tuc Ab

G. Zhou, J. N. Winn, E. R. Newton +18

DS Tuc Ab is a Neptune-sized planet that orbits around a member of the 45 Myr old Tucana-Horologium moving group. Here, we report the measurement of the sky-projected angle between…

astro-ph.SR2019★ 11 cited

THOR 42: A touchstone 24 Myr-old eclipsing binary spanning the fully-convective boundary

Simon J. Murphy, Warrick A. Lawson, Christopher A. Onken +7

We present the characterization of CRTS J055255.7004426 (=THOR 42), a young eclipsing binary comprising two pre-main sequence M dwarfs (combined spectral type M3.5). This nearby…

astro-ph.SR2019★ 13 cited

An Extreme-mass Ratio, Short-period Eclipsing Binary Consisting of a B Dwarf Primary and a Pre-main Sequence M Star Companion Discovered by KELT

Daniel J. Stevens, George Zhou, Marshall C. Johnson +16

We present the discovery of \thisstar\ (HD 58730), a very low mass ratio () eclipsing binary (EB) identified by the Kilodegree Extremely Little Teles…

astro-ph.SR2019★ 43 cited

TOI-503: The first known brown dwarf-Am star binary from the TESS mission

Ján Šubjak, Rishikesh Sharma, Theron W. Carmichael +76

We report the discovery of an intermediate-mass transiting brown dwarf, TOI-503b, from the TESS mission. TOI-503b is the first brown dwarf discovered by TESS and orbits a metallic-…

astro-ph.EP2019★ 23 cited

KELT-24b: A 5M Planet on a 5.6 day Well-Aligned Orbit around the Young V=8.3 F-star HD 93148

Joseph E. Rodriguez, Jason D. Eastman, George Zhou +76

We present the discovery of KELT-24 b, a massive hot Jupiter orbiting a bright (V=8.3 mag, K=7.2 mag) young F-star with a period of 5.6 days. The host star, KELT-24 (HD 93148), has…

astro-ph.EP2019★ 134 cited

TESS Spots a Compact System of Super-Earths around the Naked-Eye Star HR 858

Andrew Vanderburg, Chelsea X. Huang, Joseph E. Rodriguez +48

Transiting Exoplanet Survey Satellite (TESS) observations have revealed a compact multi-planet system around the sixth-magnitude star HR 858 (TIC 178155732, TOI 396), located 32 pa…

astro-ph.EP2019★ 36 cited

TOI-216b and TOI-216c: Two warm, large exoplanets in or slightly wide of the 2:1 orbital resonance

Rebekah I. Dawson, Chelsea X. Huang, Jack J. Lissauer +32

Warm, large exoplanets with 10-100 day orbital periods pose a major challenge to our understanding of how planetary systems form and evolve. Although high eccentricity tidal migrat…

astro-ph.SR2019★ 53 cited

Complex Rotational Modulation of Rapidly Rotating M-Stars Observed with TESS

Z. Zhan, M. N. Günther, S. Rappaport +23

We have searched for short periodicities in the light curves of stars with cooler than 4000 K made from 2-minute cadence data obtained in TESS sectors 1 and 2. Herein…

astro-ph.EP2019★ 2 cited

Characterizing the Atmospheres of Irradiated Exoplanets at High Spectral Resolution

Diana Dragomir, Eliza Kempton, Jacob Bean +6

The best-characterized exoplanets to date are planets on close-in transiting orbits around their host stars. The high level of irradiation and transiting geometry of these objects…

astro-ph.EP2019★ 2 cited

Astro2020 Science White Paper: Toward Finding Earth 2.0: Masses and Orbits of Small Planets with Extreme Radial Velocity Precision

David R. Ciardi, Jacob Bean, Jennifer Burt +9

Having discovered that Earth-sized planets are common, we are now embarking on a journey to determine if Earth-like planets are also common. Finding Earth-like planets is one of th…

astro-ph.EP2019

Tracing the Origins and Evolution of Small Planets using Their Orbital Obliquities

Marshall C. Johnson, George Zhou, Brett C. Addison +6

We recommend an intensive effort to survey and understand the obliquity distribution of small close-in extrasolar planets over the coming decade. The orbital obliquities of exoplan…

astro-ph.SR2019★ 29 cited

Deep Long Asymmetric Occultation in EPIC 204376071

S. Rappaport, G. Zhou, A. Vanderburg +15

We have discovered a young M star of mass and radius , likely in the Upper Sco Association, that exhibits only a single deep occultation of 1-…

astro-ph.SR2019★ 11 cited

The PDS 110 observing campaign - photometric and spectroscopic observations reveal eclipses are aperiodic

Hugh P. Osborn, Matthew Kenworthy, Joseph E. Rodriguez +71

PDS 110 is a young disk-hosting star in the Orion OB1A association. Two dimming events of similar depth and duration were seen in 2008 (WASP) and 2011 (KELT), consistent with an ob…

astro-ph.EP2019★ 64 cited

An Eccentric Massive Jupiter Orbiting a Sub-Giant on a 9.5 Day Period Discovered in the Transiting Exoplanet Survey Satellite Full Frame Images

Joseph E. Rodriguez, Samuel N. Quinn, Chelsea X. Huang +71

We report the discovery of TOI-172 b from the Transiting Exoplanet Survey Satellite (TESS) mission, a massive hot Jupiter transiting a slightly evolved G-star with a 9.48-day orbit…