output
19962026
most citedThe Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

2.5k citations

Showing 2019Show all

93 papers · 1 filter

astro-ph.EP2019★ 53 cited

Orbital Stability of Circumstellar Planets in Binary Systems

Billy Quarles, Gongjie Li, Veselin Kostov +1

Planets that orbit only one of the stars in stellar binary systems (i.e., circumstellar) are dynamically constrained to a limited range of orbital parameters and thus understanding…

astro-ph.EP2019★ 18 cited

TOI 564 b and TOI 905 b: Grazing and Fully Transiting Hot Jupiters Discovered by TESS

Allen B. Davis, Songhu Wang, Matias Jones +46

We report the discovery and confirmation of two new hot Jupiters discovered by the Transiting Exoplanet Survey Satellite (TESS): TOI 564 b and TOI 905 b. The transits of these two…

astro-ph.EP2019★ 18 cited

(704) Interamnia: A transitional object between a dwarf planet and a typical irregular-shaped minor body

J. Hanuš, P. Vernazza, M. Viikinkoski +56

With an estimated diameter in the 320 to 350 km range, (704) Interamnia is the fifth largest main belt asteroid and one of the few bodies that fills the gap in size between the fou…

astro-ph.EP2019★ 40 cited

Phase Curve of the Hot Jupiter WASP-19b

Ian Wong, Björn Benneke, Avi Shporer +13

We analyze the phase curve of the short-period transiting hot Jupiter system WASP-19, which was observed by the Transiting Exoplanet Survey Satellite () in Sector 9. WASP-19…

astro-ph.SR2019★ 10 cited

Imaging the 44 AU Kuiper Belt-analogue debris ring around HD 141569A with GPI polarimetry

J. S. Bruzzone, S. Metchev, G. Duchene +53

We present the first polarimetric detection of the inner disk component around the pre-main sequence B9.5 star HD 141569A. Gemini Planet Imager H-band (1.65 micron) polarimetric di…

astro-ph.EP2019★ 49 cited

The Gemini Planet Imager Exoplanet Survey: Dynamical Mass of the Exoplanet beta Pictoris b from Combined Direct Imaging and Astrometry

Eric L. Nielsen, Robert J. De Rosa, Jason J. Wang +51

We present new observations of the planet beta Pictoris b from 2018 with GPI, the first GPI observations following conjunction. Based on these new measurements, we perform a joint…

astro-ph.EP2019★ 20 cited

First Resolved Scattered-Light Images of Four Debris Disks in Scorpius-Centaurus with the Gemini Planet Imager

Justin Hom, Jennifer Patience, Thomas M. Esposito +57

We present the first spatially resolved scattered-light images of four debris disks around members of the Scorpius-Centaurus (Sco-Cen) OB Association with high-contrast imaging and…

astro-ph.EP2019★ 30 cited

TOI-132 b: A short-period planet in the Neptune desert transiting a G-type star

Matías R. Díaz, James S. Jenkins, Davide Gandolfi +45

The Neptune desert is a feature seen in the radius-mass-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here we report the {\it TESS} discove…

astro-ph.EP2019★ 22 cited

Orbits and resonances of the regular moons of Neptune

Marina Brozović, Mark R. Showalter, Robert A. Jacobson +3

We report integrated orbital fits for the inner regular moons of Neptune based on the most complete astrometric data set to date, with observations from Earth-based telescopes, Voy…

astro-ph.EP2019★ 26 cited

TESS Reveals HD 118203 b to be a Transiting Planet

Joshua Pepper, Stephen R. Kane, Joseph E. Rodriguez +30

The exoplanet HD 118203 b, orbiting a bright (V = 8.05) host star, was discovered using the radial velocity method by da Silva et al. (2006), but was not previously known to transi…

astro-ph.EP2019★ 28 cited

Gravity-Darkening Analysis of Misaligned Hot Jupiter MASCARA-4 b

John P. Ahlers, Ethan Kruse, Knicole D. Colon +17

MASCARA-4 b is a hot Jupiter in a highly-misaligned orbit around a rapidly-rotating A3V star that was observed for 54 days by the Transiting Exoplanet Survey Satellite (\tess). We…

astro-ph.EP2019★ 59 cited

MuSCAT2 multicolour validation of TESS candidates: an ultra-short-period substellar object around an M dwarf

H. Parviainen, E. Palle, M. R. Zapatero-Osorio +37

We report the discovery of TOI 263.01 (TIC 120916706), a transiting substellar object (R = 0.87 RJup) orbiting a faint M3.5~V dwarf (V=18.97) on a 0.56~d orbit. We set out to deter…

astro-ph.EP2019★ 10 cited

Multilayer Perceptron and Geometric Albedo Spectra for Quick Parameter Estimations of Exoplanets

Timothy K Johnsen, Mark S Marley

Future space telescopes now in the concept and design stage aim to observe reflected light spectra of extrasolar planets. Assessing whether given notional mission and instrument de…

astro-ph.EP2019★ 15 cited

Habitable Zone Boundaries for Circumbinary Planets

Wolf Cukier, Ravi kumar Kopparapu, Stephen R. Kane +4

We use a one-dimensional (1-D) cloud-free climate model to estimate habitable zone (HZ) boundaries for terrestrial planets of masses 0.1 M and 5 M around circumbinary s…

astro-ph.EP2019★ 22 cited

Probing the regoliths of the classical Uranian satellites: Are their surfaces mantled by a layer of tiny H2O ice grains?

Richard J. Cartwright, Joshua P. Emery, William M. Grundy +3

We investigate whether the surfaces of the classical moons of Uranus are compositionally stratified, with a thin veneer of mostly tiny H2O ice grains (<= 2 micron diameters) mantli…

astro-ph.EP2019

Early Dynamics of the Lunar Core

Matija Ćuk, Douglas P. Hamilton, Sarah T. Stewart

The Moon is known to have a small liquid core, and it is thought that in the distant past the core may have produced strong magnetic fields recorded in lunar samples. Here we imple…

astro-ph.SR2019★ 6 cited

Detection of a low-mass stellar companion to the accelerating A2IV star HR 1645

Robert J. De Rosa, Eric L. Nielsen, Julien Rameau +50

The \, Myr A2IV star HR 1645 has one of the most significant low-amplitude accelerations of nearby early-type stars measured from a comparison of the {\it Hipparcos} and {…

astro-ph.EP2019★ 24 cited

An updated visual orbit of the directly-imaged exoplanet 51 Eridani b and prospects for a dynamical mass measurement with Gaia

Robert J. De Rosa, Eric L. Nielsen, Jason J. Wang +52

We present a revision to the visual orbit of the young, directly-imaged exoplanet 51 Eridani b using four years of observations with the Gemini Planet Imager. The relative astromet…

astro-ph.IM2019★ 42 cited

Choosing a Maximum Drift Rate in a SETI Search: Astrophysical Considerations

Sofia Z. Sheikh, Jason T. Wright, Andrew P. Siemion +1

A radio transmitter which is accelerating with a non-zero radial component with respect to a receiver will produce a signal that appears to change its frequency over time. This eff…

astro-ph.EP2019★ 10 cited

The Possible Astrometric Signature of a Planetary-mass Companion to the Nearby Young Star TW Piscis Austrini (Fomalhaut B): Constraints from Astrometry, Radial Velocities, and Direct Imaging

Robert J. De Rosa, Thomas M. Esposito, Lea A. Hirsch +5

We present constraints on the presence of substellar companions to the nearby ( pc), young ( Myr) K4Ve star TW Piscis Austrini, the wide (0.3 pc) companio…

astro-ph.GA2019★ 44 cited

A three-phase approach to grain surface chemistry in protoplanetary disks: Gas, ice surfaces and ice mantles of dust grains

Maxime Ruaud, Uma Gorti

We study the effects of grain surface reactions on the chemistry of protoplanetary disks where gas, ice surface layers and icy mantles of dust grains are considered as three distin…

astro-ph.IM2019★ 21 cited

Revised Astrometric Calibration of the Gemini Planet Imager

Robert J. De Rosa, Meiji M. Nguyen, Jeffrey Chilcote +49

We present a revision to the astrometric calibration of the Gemini Planet Imager (GPI), an instrument designed to achieve the high contrast at small angular separations necessary t…

astro-ph.EP2019★ 48 cited

TOI-222: a single-transit TESS candidate revealed to be a 34-day eclipsing binary with CORALIE, EulerCam and NGTS

Monika Lendl, François Bouchy, Samuel Gill +58

We report the period, eccentricity, and mass determination for the TESS single-transit event candidate TOI-222, which displayed a single 3000 ppm transit in the TESS two-minute cad…

astro-ph.EP2019★ 72 cited

Exploring the atmospheric dynamics of the extreme ultra-hot Jupiter KELT-9b using TESS photometry

Ian Wong, Avi Shporer, Daniel Kitzmann +24

We carry out a phase-curve analysis of the KELT-9 system using photometric observations from NASA's Transiting Exoplanet Survey Satellite (TESS). The measured secondary eclipse dep…