output
19922026
most citedThe Seventh Data Release of the Sloan Digital Sky Survey

5.4k citations

Showing 2020 · astro-ph.EPShow all

30 papers · 2 filters

astro-ph.EP2020★ 28 cited

TOI-519 b: a short-period substellar object around an M dwarf validated using multicolour photometry and phase curve analysis

H. Parviainen, E. Palle, M. R. Zapatero-Osorio +43

Context: We report the discovery of TOI-519 b (TIC 218795833), a transiting substellar object (R = 1.07 RJup) orbiting a faint M dwarf (V = 17.35) on a 1.26 d orbit. Brown dwarfs a…

astro-ph.EP2020★ 47 cited

The CARMENES search for exoplanets around M dwarfs -- LP 714-47b (TOI 442.01): Populating the Neptune desert

S. Dreizler, I., J. +134

We report the discovery of a Neptune-like planet (LP 714-47 b, P = 4.05204 d, m_b = 30.8 +/- 1.5 M_earth , R_b = 4.7 +/- 0.3 R_earth ) located in the 'hot Neptune desert'. Confirma…

astro-ph.EP2020★ 14 cited

TOI-954 b and K2-329 b: Short-Period Saturn-Mass Planets that Test whether Irradiation Leads to Inflation

Lizhou Sha, Chelsea X. Huang, Avi Shporer +70

We report the discovery of two short-period Saturn-mass planets, one transiting the G subgiant TOI-954 (TIC 44792534, , ) observed in TESS sectors 4 and 5…

astro-ph.EP2020★ 14 cited

Two Planets Straddling the Habitable Zone of The Nearby K Dwarf Gl 414A

Cayla M. Dedrick, Benjamin J. Fulton, Heather A. Knutson +14

We present the discovery of two planets orbiting the nearby (D=11.9 pc) K7 dwarf Gl 414A. Gl 414A b is a sub-Neptune mass planet with M M$_\opl…

astro-ph.EP2020★ 44 cited

TOI-481 b & TOI-892 b: Two long period hot Jupiters from the Transiting Exoplanet Survey Satellite

Rafael Brahm, Louise D. Nielsen, Robert A. Wittenmyer +75

We present the discovery of two new 10-day period giant planets from the Transiting Exoplanet Survey Satellite () mission, whose masses were precisely determined using a wide…

astro-ph.EP2020★ 60 cited

Cluster Difference Imaging Photometric Survey. II. TOI 837: A Young Validated Planet in IC 2602

L. G. Bouma, J. D. Hartman, R. Brahm +42

We report the discovery of TOI 837b and its validation as a transiting planet. We characterize the system using data from the NASA TESS mission, the ESA Gaia mission, ground-based…

astro-ph.EP2020★ 183 cited

A Giant Planet Candidate Transiting a White Dwarf

Andrew Vanderburg, Saul A. Rappaport, Siyi Xu +61

Astronomers have discovered thousands of planets outside the solar system, most of which orbit stars that will eventually evolve into red giants and then into white dwarfs. During…

astro-ph.EP2020★ 102 cited

A super-Earth and a sub-Neptune orbiting the bright, quiet M3 dwarf TOI-1266

B. -O. Demory, F. J. Pozuelos, Y. Gomez Maqueo Chew +70

We report the discovery and characterisation of a super-Earth and a sub-Neptune transiting the bright (), quiet, and nearby (37 pc) M3V dwarf TOI-1266. We validate the plane…

astro-ph.EP2020★ 49 cited

The TESS-Keck Survey II: An Ultra-Short Period Rocky Planet and its Siblings Transiting the Galactic Thick-Disk Star TOI-561

Lauren M. Weiss, Fei Dai, Daniel Huber +61

We report the discovery of TOI-561, a multi-planet system in the galactic thick disk that contains a rocky, ultra-short period planet (USP). This bright () star hosts three…

astro-ph.EP2020★ 23 cited

The TOI-763 system: sub-Neptunes orbiting a Sun-like star

M. Fridlund, J. Livingston, D. Gandolfi +51

We report the discovery of a planetary system orbiting TOI-763 (aka CD-39 7945), a , high proper motion G-type dwarf star that was photometrically monitored by the TESS spa…

astro-ph.EP2020★ 242 cited

A planet within the debris disk around the pre-main-sequence star AU Microscopii

Peter Plavchan, Thomas Barclay, Jonathan Gagné +84

AU Microscopii (AU Mic) is the second closest pre main sequence star, at a distance of 9.79 parsecs and with an age of 22 million years. AU Mic possesses a relatively rare and spat…

astro-ph.EP2020★ 23 cited

The TESS Phase Curve of KELT-1b Suggests a High Dayside Albedo

Thomas G. Beatty, Ian Wong, Tara Fetherolf +12

We measured the optical phase curve of the transiting brown dwarf KELT-1b (TOI 1476, Siverd et al. 2012) using data from the TESS spacecraft. We found that KELT-1b shows significan…

astro-ph.EP2020

TESS unveils the optical phase curve of KELT-1b. Thermal emission and ellipsoidal variation from the brown dwarf companion, and activity from the star

C. von Essen, M. Mallonn, A. Piette +8

We present the detection and analysis of the phase curve of KELT-1b at optical wavelengths, analyzing data taken by the Transiting Exoplanet Survey Satellite (TESS). With a mass of…

astro-ph.EP2020★ 45 cited

TOI-1235 b: a keystone super-Earth for testing radius valley emergence models around early M dwarfs

Ryan Cloutier, Joseph E. Rodriguez, Jonathan Irwin +85

Small planets on close-in orbits tend to exhibit envelope mass fractions of either effectively zero or up to a few percent depending on their size and orbital period. Models of the…

astro-ph.EP2020★ 34 cited

An Unusual Transmission Spectrum for the Sub-Saturn KELT-11b Suggestive of a Sub-Solar Water Abundance

Knicole D. Colón, Laura Kreidberg, Luis Welbanks +30

We present an optical-to-infrared transmission spectrum of the inflated sub-Saturn KELT-11b measured with the Transiting Exoplanet Survey Satellite (TESS), the Hubble Space Telesco…

astro-ph.EP2020★ 50 cited

The Hubble PanCET program: Transit and Eclipse Spectroscopy of the Strongly Irradiated Giant Exoplanet WASP-76b

Guangwei Fu, Drake Deming, Joshua Lothringer +21

Ultra-hot Jupiters with equilibrium temperature greater than 2000K are uniquely interesting targets as they provide us crucial insights into how atmospheres behave under extreme co…

astro-ph.EP2020★ 57 cited

TESS unveils the phase curve of WASP-33b. Characterization of the planetary atmosphere and the pulsations from the star

C. von Essen, M. Mallonn, C. C. Borre +4

We present the detection and characterization of the full-orbit phase curve and secondary eclipse of the ultra-hot Jupiter WASP-33b at optical wavelengths, along with the pulsation…

astro-ph.EP2020★ 44 cited

The TESS-Keck Survey I: A Warm Sub-Saturn-mass Planet and a Caution about Stray Light in TESS Cameras

Paul A. Dalba, Arvind F. Gupta, Joseph E. Rodriguez +63

We report the detection of a Saturn-size exoplanet orbiting HD 332231 (TOI 1456) in light curves from the Transiting Exoplanet Survey Satellite (TESS). HD 332231, an F8 dwarf star…

astro-ph.EP2020★ 52 cited

KELT-9 b's Asymmetric TESS Transit Caused by Rapid Stellar Rotation and Spin-Orbit Misalignment

John P. Ahlers, Marshall C. Johnson, Keivan G Stassun +19

KELT-9 b is an ultra hot Jupiter transiting a rapidly rotating, oblate early-A-type star in a polar orbit. We model the effect of rapid stellar rotation on KELT-9 b's transit light…

astro-ph.EP2020★ 18 cited

TESS discovery of a super-Earth and three sub-Neptunes hosted by the bright, Sun-like star HD 108236

Tansu Daylan, Kartik Pingle, Jasmine Wright +59

We report the discovery and validation of four extrasolar planets hosted by the nearby, bright, Sun-like (G3V) star HD~108236 using data from the Transiting Exoplanet Survey Satell…

astro-ph.EP2020★ 9 cited

The multi-planet system TOI-421 -- A warm Neptune and a super puffy mini-Neptune transiting a G9 V star in a visual binary

Ilaria Carleo, Davide Gandolfi, Oscar Barragán +110

We report the discovery of a warm Neptune and a hot sub-Neptune transiting TOI-421 (BD-14 1137, TIC 94986319), a bright (V=9.9) G9 dwarf star in a visual binary system observed by…

astro-ph.EP2020★ 74 cited

TESS spots a hot Jupiter with an inner transiting Neptune

Chelsea X. Huang, Samuel N. Quinn, Andrew Vanderburg +48

Hot Jupiters are rarely accompanied by other planets within a factor of a few in orbital distance. Previously, only two such systems have been found. Here, we report the discovery…

astro-ph.EP2020★ 34 cited

LHS 1815b: The First Thick-Disk Planet Detected By TESS

Tianjun Gan, Avi Shporer, John H. Livingston +35

We report the first discovery of a thick-disk planet, LHS 1815b (TOI-704b, TIC 260004324), detected in the TESS survey. LHS 1815b transits a bright (V = 12.19 mag, K = 7.99 mag) an…

astro-ph.EP2020★ 2 cited

Orbital Refinement and Stellar Properties for the HD 9446, HD 43691, and HD 179079 Planetary Systems

Michelle L. Hill, Teo Mocnik, Stephen R. Kane +15

The Transit Ephemeris Refinement and Monitoring Survey (TERMS) is a project which aims to detect transits of intermediate-long period planets by refining orbital parameters of the…