Mark E. Everett
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View article: <i>Searching for GEMS</i> : TOI-5349 b is a Saturn-like Planet Orbiting a Metal-rich Early M Dwarf
<i>Searching for GEMS</i> : TOI-5349 b is a Saturn-like Planet Orbiting a Metal-rich Early M Dwarf Open
We report the confirmation and analysis of TOI-5349 b, a transiting, warm, Saturn-like planet orbiting an early M dwarf with a period of ∼3.3 days, which we confirmed as part of the Searching for GEMS survey. TOI-5349 b was initially ident…
View article: Searching for GEMS: TOI-5349b is a Saturn-like planet orbiting a metal-rich early M-dwarf
Searching for GEMS: TOI-5349b is a Saturn-like planet orbiting a metal-rich early M-dwarf Open
We report the confirmation and analysis of TOI-5349b, a transiting, warm, Saturn-like planet orbiting an early M-dwarf with a period of $\sim$3.3 days, which we confirmed as part of the Searching for GEMS (Giant Exoplanets around M-dwarf S…
View article: TOI-1743 b, TOI-5799 b, TOI-5799 c, and TOI-6223 b: TESS discovery and validation of four super-Earth to Neptune-sized planets around M dwarfs
TOI-1743 b, TOI-5799 b, TOI-5799 c, and TOI-6223 b: TESS discovery and validation of four super-Earth to Neptune-sized planets around M dwarfs Open
We present the discovery by the TESS mission of one transiting Neptune-sized planet, TOI-6223 b, and two transiting super-Earths, TOI-1743 b and TOI-5799 b. We validate these planets using a statistical validation method, multi-color light…
View article: Searching for GEMS: TOI-7149 b, an Inflated Giant Planet Causing a 12% Transit of a Fully Convective M-dwarf
Searching for GEMS: TOI-7149 b, an Inflated Giant Planet Causing a 12% Transit of a Fully Convective M-dwarf Open
We describe the discovery and characterization of TOI-7149 b, a 0.705 ± 0.075 M J , 1.18 ± 0.045 R J gas giant on a ∼2.65 days period orbit transiting an M4V star with a mass of 0.344 ± 0.030 M ⊙ and an effective temperature of 3363 ± 59 K…
View article: The TESS Grand Unified Hot Jupiter Survey. III. Thirty More Giant Planets<sup>*</sup>
The TESS Grand Unified Hot Jupiter Survey. III. Thirty More Giant Planets<sup>*</sup> Open
We present the discovery of 30 transiting giant planets that were initially detected using data from NASA’s Transiting Exoplanet Survey Satellite mission. These new planets orbit relatively bright ( G ≤ 12.5) FGK host stars with orbital pe…
View article: Validation of TESS Planet Candidates with Multicolor Transit Photometry and <tt>TRICERATOPS+</tt>
Validation of TESS Planet Candidates with Multicolor Transit Photometry and TRICERATOPS+ Open
We present an upgraded version of TRICERATOPS , a software package designed to calculate false positive probabilities for planet candidates identified by the Transiting Exoplanet Survey Satellite (TESS). This enhanced framework now incorpo…
View article: Inside the Iron Curtain: A Long Term Look at the Iron Stars XX Oph and AS 325
Inside the Iron Curtain: A Long Term Look at the Iron Stars XX Oph and AS 325 Open
The Iron Stars XX Oph and AS 325, both binaries consisting of a Be + late K,M II star present remarkable optical spectra. Low velocity, dense winds from the late type star collide with high velocity, optically thin material expelled from t…
View article: Resolving the Unresolved: Using NESSI to Search for Unresolved Companions in Low-mass Disk Wide Binaries
Resolving the Unresolved: Using NESSI to Search for Unresolved Companions in Low-mass Disk Wide Binaries Open
Stellar systems consisting of three or more stars are not an uncommon occurrence in the Galaxy. Nearly 50% of solar-type wide binaries with separations >1000 au are actually higher-order multiples with one component being a close binary. A…
View article: An Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf
An Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf Open
We present the discovery and confirmation of the ultra-short period (USP) planet TOI-2431 b orbiting a nearby ($d\sim36$ pc) late K star ($T_{\mathrm{eff}}$ = $4109 \pm 28 \, {\rm K}$) using observations from the Transiting Exoplanet Surve…
View article: The TESS Grand Unified Hot Jupiter Survey. III. Thirty More Giant Planets
The TESS Grand Unified Hot Jupiter Survey. III. Thirty More Giant Planets Open
We present the discovery of 30 transiting giant planets that were initially detected using data from NASA's Transiting Exoplanet Survey Satellite (TESS) mission. These new planets orbit relatively bright ($G \leq 12.5$) FGK host stars with…
View article: Inside the Iron Curtain: A Long Term Look at the Iron Stars XX Oph and AS 325
Inside the Iron Curtain: A Long Term Look at the Iron Stars XX Oph and AS 325 Open
The Iron Stars XX Oph and AS 325, both binaries consisting of a Be + late K,M II star present remarkable optical spectra. Low velocity, dense winds from the late type star collide with high velocity, optically thin material expelled from t…
View article: Resolving the Unresolved: Using NESSI to Search for Unresolved Companions in Low-mass Disk Wide Binaries
Resolving the Unresolved: Using NESSI to Search for Unresolved Companions in Low-mass Disk Wide Binaries Open
Stellar systems consisting of three or more stars are not an uncommon occurrence in the Galaxy. Nearly 50% of solar-type wide binaries with separations >1000 au are actually higher-order multiples with one component being a close binary. A…
View article: A Swarm of WASP Planets: Nine Giant Planets Identified by the WASP Survey
A Swarm of WASP Planets: Nine Giant Planets Identified by the WASP Survey Open
The Wide Angle Search for Planets (WASP) survey provided some of the first transiting hot Jupiter candidates. With the addition of the Transiting Exoplanet Survey Satellite (TESS), many WASP planet candidates have now been revisited and gi…
View article: Searching for GEMS: Confirmation of TOI-5573b, a Cool, Saturn-like Planet Orbiting An M-dwarf
Searching for GEMS: Confirmation of TOI-5573b, a Cool, Saturn-like Planet Orbiting An M-dwarf Open
We present the confirmation of TOI-5573b, a Saturn-sized exoplanet on an 8.79-day orbit around an early M-dwarf (3790 K, 0.59 R$\odot$, 0.61 M$\odot$, 12.30 J mag). TOI-5573b has a mass of $112^{+18}_{-19}$ M$\oplus$ (0.35$\pm$0.06 M$\math…
View article: A Swarm of WASP Planets: Nine giant planets identified by the WASP survey
A Swarm of WASP Planets: Nine giant planets identified by the WASP survey Open
The Wide Angle Search for Planets (WASP) survey provided some of the first transiting hot Jupiter candidates. With the addition of the Transiting Exoplanet Survey Satellite (TESS), many WASP planet candidates have now been revisited and gi…
View article: OrCAS: Origins, Compositions, and Atmospheres of Sub-Neptunes. I. Survey Definition
OrCAS: Origins, Compositions, and Atmospheres of Sub-Neptunes. I. Survey Definition Open
Sub-Neptunes—volatile-rich exoplanets smaller than Neptune—are intrinsically the most common type of planet known. However, the formation and nature of these objects, as well as the distinctions between subclasses (if any), remain unclear.…
View article: OrCAS: Origins, Compositions, and Atmospheres of Sub-neptunes. I. Survey Definition
OrCAS: Origins, Compositions, and Atmospheres of Sub-neptunes. I. Survey Definition Open
Sub-Neptunes - volatile-rich exoplanets smaller than Neptune - are intrinsically the most common type of planet known. However, the formation and nature of these objects, as well as the distinctions between sub-classes (if any), remain unc…
View article: Migration and Evolution of giant ExoPlanets (MEEP). I. Nine Newly Confirmed Hot Jupiters from the TESS Mission
Migration and Evolution of giant ExoPlanets (MEEP). I. Nine Newly Confirmed Hot Jupiters from the TESS Mission Open
Hot Jupiters were many of the first exoplanets discovered in the 1990s, but in the decades since their discovery the mysteries surrounding their origins have remained. Here we present nine new hot Jupiters (TOI-1855 b, TOI-2107 b, TOI-2368…
View article: Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b
Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b Open
Context. Hot and warm Jupiters might have undergone the same formation and evolution path, but the two populations exhibit different distributions of orbital parameters. This challenges our understanding of their actual origin. Aims. We re…
View article: Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b
Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b Open
Hot and warm Jupiters might have undergone the same formation and evolution path, but the two populations exhibit different distributions of orbital parameters, challenging our understanding on their actual origin. The present work, which …
Five new eclipsing binaries with low-mass companions Open
Precise space-based photometry from the Transiting Exoplanet Survey Satellite results in a huge number of exoplanetary candidates. However, the masses of these objects are unknown and must be determined by ground-based spectroscopic follow…
Radar diagnostic testing for unmarked graves at historic burial sites Open
A simple diagnostic testing procedure is described that can help non-expert practitioners to search for unmarked graves at historic burial sites using ground-penetrating radar. The methodology is illustrated with data acquired at a histori…
View article: Migration and Evolution of giant ExoPlanets (MEEP). I. Nine Newly Confirmed Hot Jupiters from the TESS Mission
Migration and Evolution of giant ExoPlanets (MEEP). I. Nine Newly Confirmed Hot Jupiters from the TESS Mission Open
Hot Jupiters were many of the first exoplanets discovered in the 1990s, but in the decades since their discovery the mysteries surrounding their origins have remained. Here we present nine new hot Jupiters (TOI-1855 b, TOI-2107 b, TOI-2368…
View article: Three super-Earths and a possible water world from TESS and ESPRESSO
Three super-Earths and a possible water world from TESS and ESPRESSO Open
Context . Since 2018, the ESPRESSO spectrograph at the VLT has been hunting for planets in the southern skies via the radial velocity (RV) method. One of its goals is to follow up on candidate planets from transit surveys such as the TESS …
View article: The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs
The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs Open
Sub-Neptunes with radii of 2–3 R ⊕ are intermediate in size between rocky planets and Neptune-sized planets. The orbital properties and bulk compositions of transiting sub-Neptunes provide clues to the formation and evolution of close-in s…
View article: The TESS-Keck Survey. XX. 15 New TESS Planets and a Uniform RV Analysis of All Survey Targets
The TESS-Keck Survey. XX. 15 New TESS Planets and a Uniform RV Analysis of All Survey Targets Open
The Transiting Exoplanet Survey Satellite (TESS) has discovered hundreds of new worlds, with TESS planet candidates now outnumbering the total number of confirmed planets from Kepler. Owing to differences in survey design, TESS continues t…
View article: Gliese 12 b, A Temperate Earth-sized Planet at 12 Parsecs Discovered with TESS and CHEOPS
Gliese 12 b, A Temperate Earth-sized Planet at 12 Parsecs Discovered with TESS and CHEOPS Open
We report on the discovery of Gliese 12 b, the nearest transiting temperate, Earth-sized planet found to date. Gliese 12 is a bright ($V=12.6$ mag, $K=7.8$ mag) metal-poor M4V star only $12.162\pm0.005$ pc away from the Solar System with o…