output
19922026
most citedSSD: Single Shot MultiBox Detector

22k citations

Showing 2021 · astro-ph.EPShow all

25 papers · 2 filters

astro-ph.EP2021★ 9 cited

TOI-712: a system of adolescent mini-Neptunes extending to the habitable zone

Sydney Vach, Samuel N. Quinn, Andrew Vanderburg +40

As an all-sky survey, NASA's mission is able to detect the brightest and rarest types of transiting planetary systems, including young planets that enable study of the evolu…

astro-ph.EP2021★ 29 cited

V1298 Tau with TESS: Updated Ephemerides, Radii, and Period Constraints from a Second Transit of V1298 Tau e

Adina D. Feinstein, Trevor J. David, Benjamin T. Montet +3

V1298 Tau is a young (20-30 Myr) solar-mass K star hosting four transiting exoplanets with sizes between 0.5 - 0.9 . Given the system's youth, it provides a unique opportunity…

astro-ph.EP2021★ 25 cited

The obliquity of HIP 67522 b: a 17 Myr old transiting hot Jupiter-sized planet

Alexis Heitzmann, George Zhou, Samuel N. Quinn +7

HIP 67522 b is a 17 Myr old, close-in ( d), Jupiter-sized () transiting planet orbiting a Sun like star in the Sco-Cen OB association. We presen…

astro-ph.EP2021★ 14 cited

Gemini/GMOS Transmission Spectroscopy of the Grazing Planet Candidate WD 1856+534 b

Siyi Xu, Hannah Diamond-Lowe, Ryan J. MacDonald +12

WD 1856+534 b is a Jupiter-sized, cool giant planet candidate transiting the white dwarf WD 1856+534. Here, we report an optical transmission spectrum of WD 1856+534 b obtained fro…

astro-ph.EP2021★ 11 cited

Velocity-imaging the rapidly precessing planetary disc around the white dwarf HE 1349-2305 using Doppler tomography

Christopher J. Manser, Erik Dennihy, Boris T. Gänsicke +11

The presence of planetary material in white dwarf atmospheres, thought to be accreted from a dusty debris disc produced via the tidal disruption of a planetesimal, is common. Appro…

astro-ph.EP2021★ 14 cited

Mysterious Dust-emitting Object Orbiting TIC 400799224

Brian P. Powell, Veselin Kostov, Saul Rappaport +24

We report the discovery of a unique object of uncertain nature -- but quite possibly a disintegrating asteroid or minor planet -- orbiting one star of the widely separated binary T…

astro-ph.EP2021★ 17 cited

The LHS 1678 System: Two Earth-Sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc

Michele L. Silverstein, Joshua E. Schlieder, Thomas Barclay +48

We present the TESS discovery of the LHS 1678 (TOI-696) exoplanet system, comprised of two approximately Earth-sized transiting planets and a likely astrometric brown dwarf orbitin…

astro-ph.EP2021★ 37 cited

An Aligned Orbit for the Young Planet V1298 Tau b

Marshall C. Johnson, Trevor J. David, Erik A. Petigura +22

The alignment of planetary orbits with respect to the stellar rotation preserves information on their dynamical histories. Measuring this angle for young planets help illuminate th…

astro-ph.EP2021★ 83 cited

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Andrew W. Mann, Mackenna L. Wood, Stephen P. Schmidt +48

Mature super-Earths and sub-Neptunes are predicted to be Jovian radius when younger than 10 Myr. Thus, we expect to find 5-15 planets around young stars even if t…

astro-ph.EP2021★ 22 cited

A Lyman-alpha transit left undetected: the environment and atmospheric behavior of K2-25b

Keighley E. Rockcliffe, Elisabeth R. Newton, Allison Youngblood +6

K2-25b is a Neptune-sized exoplanet (3.45 Earth radii) that orbits its M4.5 host with a period of 3.48 days. Due to its membership in the Hyades Cluster, the system has a known age…

astro-ph.EP2021★ 45 cited

TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet

Ares Osborn, David J. Armstrong, Bryson Cale +125

We present the bright (V), multi-planet system TOI-431, characterised with photometry and radial velocities. We estimate the stellar rotation period to be $30.5 \pm…

astro-ph.EP2021★ 8 cited

HD 183579b: A Warm Sub-Neptune Transiting a Solar Twin Detected by TESS

Tianjun Gan, Megan Bedell, Sharon Xuesong Wang +48

We report the discovery and characterization of a transiting warm sub-Neptune planet around the nearby bright ( mag, mag) solar twin HD 183579, delivered by the Tr…

astro-ph.EP2021★ 46 cited

Refined physical parameters for Chariklo's body and rings from stellar occultations observed between 2013 and 2020

B. E. Morgado, B. Sicardy, F. Braga-Ribas +78

The Centaur (10199) Chariklo has the first rings system discovered around a small object. It was first observed using stellar occultation in 2013. Stellar occultations allow the de…

astro-ph.EP2021★ 25 cited

TOI-942b: A Prograde Neptune in a ~60 Myr old Multi-transiting System

Christopher P. Wirth, George Zhou, Samuel N. Quinn +8

Mapping the orbital obliquity distribution of young planets is one avenue towards understanding mechanisms that sculpt the architectures of planetary systems. TOI-942 is a young fi…

astro-ph.EP2021★ 29 cited

TOI-1231 b: A Temperate, Neptune-Sized Planet Transiting the Nearby M3 Dwarf NLTT 24399

Jennifer A. Burt, Diana Dragomir, Paul Mollière +59

We report the discovery of a transiting, temperate, Neptune-sized exoplanet orbiting the nearby ( = 27.5 pc), M3V star TOI-1231 (NLTT 24399, L 248-27, 2MASS J10265947-5228099).…

astro-ph.EP2021★ 57 cited

Recurring Planetary Debris Transits and Circumstellar Gas around White Dwarf ZTF J03281219

Zachary P. Vanderbosch, Saul Rappaport, Joseph A. Guidry +14

We present follow-up photometry and spectroscopy of ZTF J03281219 strengthening its status as a white dwarf exhibiting transiting planetary debris. Using TESS and Zwicky Transie…

astro-ph.EP2021★ 1 cited

TIC 172900988: A Transiting Circumbinary Planet Detected in One Sector of TESS Data

Veselin B. Kostov, Brian P. Powell, Jerome A. Orosz +86

We report the first discovery of a transiting circumbinary planet detected from a single sector of TESS data. During Sector 21, the planet TIC 172900988b transited the primary star…

astro-ph.EP2021★ 38 cited

TOI-269 b: An eccentric sub-Neptune transiting a M2 dwarf revisited with ExTrA

M. Cointepas, J. M. Almenara, X. Bonfils +59

We present the confirmation of a new sub-Neptune close to the transition between super-Earths and sub-Neptunes transiting the M2 dwarf TOI- 269 (TIC 220479565, V = 14.4 mag, J = 10…

astro-ph.EP2021★ 15 cited

Discovery of an Edge-on Circumstellar Debris Disk Around BD+45598: a Newly Identifed Member of the Pictoris Moving Group

Sasha Hinkley, Elisabeth C. Matthews, Charlène Lefevre +24

We report the discovery of a circumstellar debris disk viewed nearly edge-on and associated with the young, K1 star BD+45598 using high-contrast imaging at 2.2m obtain…

astro-ph.EP2021★ 78 cited

A nearby transiting rocky exoplanet that is suitable for atmospheric investigation

T. Trifonov, J. A. Caballero, J. C. Morales +66

Spectroscopy of transiting exoplanets can be used to investigate their atmospheric properties and habitability. Combining radial velocity (RV) and transit data provides additional…

astro-ph.EP2021★ 58 cited

SOAR TESS Survey. II: The impact of stellar companions on planetary populations

Carl Ziegler, Andrei Tokovinin, Madelyn Latiolais +3

We present the results of the second year of exoplanet candidate host speckle observations from the SOAR TESS survey. We find 89 of the 589 newly observed TESS planet candidate hos…

astro-ph.EP2021★ 65 cited

TESS Hunt for Young and Maturing Exoplanets (THYME) V: A Sub-Neptune Transiting a Young Star in a Newly Discovered 250 Myr Association

Benjamin M. Tofflemire, Aaron C. Rizzuto, Elisabeth R. Newton +27

The detection and characterization of young planetary systems offers a direct path to study the processes that shape planet evolution. We report on the discovery of a sub-Neptune-s…

astro-ph.EP2021★ 61 cited

TESS Hunt for Young and Maturing Exoplanets (THYME) IV: Three small planets orbiting a 120 Myr-old star in the Pisces--Eridanus stream

Elisabeth R. Newton, Andrew W. Mann, Adam L. Kraus +50

Young exoplanets can offer insight into the evolution of planetary atmospheres, compositions, and architectures. We present the discovery of the young planetary system TOI 451 (TIC…

astro-ph.EP2021★ 41 cited

TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full Frame Images

Joseph E. Rodriguez, Samuel N. Quinn, George Zhou +115

We present the discovery and characterization of five hot and warm Jupiters -- TOI-628 b (TIC 281408474; HD 288842), TOI-640 b (TIC 147977348), TOI-1333 b (TIC 395171208, BD+47 352…