activity
20082026
most citedA remnant planetary core in the hot-Neptune desert

123 citations · 670 across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.IM2026

PLATO input catalogs for technical calibration and fine guidance

René Heller, Chen Jiang, Paz Bluhm +18

A few weeks after launch, the PLATO spacecraft is expected to start its payload commissioning, which will be completed within the first three months of the mission. This phase incl…

astro-ph.IM2024★ 13 cited

The PLATO Mission

Heike Rauer, Conny Aerts, Juan Cabrera +842

PLATO (PLAnetary Transits and Oscillations of stars) is ESA's M3 mission designed to detect and characterise extrasolar planets and perform asteroseismic monitoring of a large numb…

astro-ph.EP2024★ 1 cited

TOI-2447 b / NGTS-29 b: a 69-day Saturn around a Solar analogue

Samuel Gill, Daniel Bayliss, Solène Ulmer-Moll +63

Discovering transiting exoplanets with relatively long orbital periods (10 days) is crucial to facilitate the study of cool exoplanet atmospheres () and to u…

astro-ph.EP2024

NGTS-28Ab: A short period transiting brown dwarf

Beth A. Henderson, Sarah L. Casewell, Michael R. Goad +43

We report the discovery of a brown dwarf orbiting a M1 host star. We first identified the brown dwarf within the Next Generation Transit Survey data, with supporting observations f…

astro-ph.EP2022★ 10 cited

An old warm Jupiter orbiting the metal-poor G-dwarf TOI-5542

Nolan Grieves, François Bouchy, Solène Ulmer-Moll +31

We report the discovery of a 1.32 planet orbiting on a 75.12 day period around the G3V Gyr old star TOI-5542 (TIC 4662…

astro-ph.SR2022★ 11 cited

Periodic stellar variability from almost a million NGTS light curves

Joshua T. Briegal, Edward Gillen, Didier Queloz +25

We analyse 829,481 stars from the Next Generation Transit Survey (NGTS) to extract variability periods. We utilise a generalisation of the autocorrelation function (the G-ACF), whi…

astro-ph.SR2022★ 10 cited

TIC-320687387 B: a long-period eclipsing M-dwarf close to the hydrogen burning limit

Samuel Gill, Solene Ulmer-Moll, Peter J. Wheatley +26

We are using precise radial velocities from CORALIE together with precision photometry from the Next Generation Transit Survey (NGTS) to follow up stars with single-transit events…

astro-ph.EP2021★ 27 cited

A transit timing variation observed for the long-period extremely low density exoplanet HIP 41378f

Edward M. Bryant, Daniel Bayliss, Alexandre Santerne +47

HIP 41378 f is a temperate planet with period of 542.08 days and an extremely low density of g cm. It transits the bright star HIP 41378…

astro-ph.EP2021★ 11 cited

NGTS 15b, 16b, 17b and 18b: four hot Jupiters from the Next Generation Transit Survey

Rosanna H. Tilbrook, Matthew R. Burleigh, Jean C. Costes +36

We report the discovery of four new hot Jupiters with the Next Generation Transit Survey (NGTS). NGTS-15b, NGTS-16b, NGTS-17b, and NGTS-18b are short-period (d) planets orbiti…

astro-ph.EP2021★ 18 cited

NGTS-14Ab: a Neptune-sized transiting planet in the desert

A. M. S. Smith, J. S. Acton, D. R. Anderson +35

Context: The sub-Jovian or Neptunian desert is a previously-identified region of parameter space where there is a relative dearth of intermediate-mass planets at short orbital peri…

astro-ph.EP2020★ 13 cited

NGTS-12b: A sub-Saturn mass transiting exoplanet in a 7.53 day orbit

Edward M. Bryant, Daniel Bayliss, Louise D. Nielsen +35

We report the discovery of the transiting exoplanet NGTS-12b by the Next Generation Transit Survey (NGTS). The host star, NGTS-12, is a V=12.38 mag star with an effective temperatu…

astro-ph.EP2020★ 47 cited

NGTS-11 b / TOI-1847 b: A transiting warm Saturn recovered from a TESS single-transit event

Samuel Gill, Peter J. Wheatley, Benjamin F. Cooke +37

We report the discovery of NGTS-11 b (=TOI-1847 b), a transiting Saturn in a 35.46-day orbit around a mid K-type star (Teff=5050 K). We initially identified the system from a singl…

astro-ph.EP2020★ 123 cited

A remnant planetary core in the hot-Neptune desert

David J. Armstrong, Théo A. Lopez, Vardan Adibekyan +91

The interiors of giant planets remain poorly understood. Even for the planets in the Solar System, difficulties in observation lead to large uncertainties in the properties of plan…

astro-ph.EP2020★ 32 cited

Three Short Period Jupiters from TESS

L. D. Nielsen, R. Brahm, F. Bouchy +74

We report the confirmation and mass determination of three hot Jupiters discovered by the Transiting Exoplanet Survey Satellite (TESS) mission: HIP 65Ab (TOI-129, TIC-201248411) is…

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★ 35 cited

NGTS-10b: The shortest period hot Jupiter yet discovered

James McCormac, Edward Gillen, James A. G. Jackman +44

We report the discovery of a new ultra-short period transiting hot Jupiter from the Next Generation Transit Survey (NGTS). NGTS-10b has a mass and radius of $2.162\,^{+0.092}_{-0.1…

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★ 28 cited

NGTS-6b: An Ultra Short Period Hot-Jupiter Orbiting an Old K Dwarf

Jose I. Vines, James S. Jenkins, Jack S. Acton +37

We report the discovery of a new ultra-short period hot Jupiter from the Next Generation Transit Survey. NGTS-6b orbits its star with a period of 21.17~h, and has a mass and radius…

astro-ph.EP2018★ 44 cited

HD219666b: A hot-Neptune from TESS Sector 1

M. Esposito, D. J. Armstrong, D. Gandolfi +73

We report on the confirmation and mass determination of a transiting planet orbiting the old and inactive G7 dwarf star HD219666 (Mstar = 0.92 +/- 0.03 MSun, Rstar = 1.03 +/- 0.03…

astro-ph.EP2018★ 25 cited

K2-140b and K2-180b - Characterization of a hot Jupiter and a mini-Neptune from the K2 mission

J. Korth, Sz. Csizmadia, D. Gandolfi +40

We report the independent discovery and characterization of two K2 planets: K2-180b, a mini-Neptune-size planet in an 8.9-day orbit transiting a V = 12.6 mag, metal-poor ([Fe/H] =$…

astro-ph.EP2018★ 34 cited

Automatic vetting of planet candidates from ground based surveys: Machine learning with NGTS

David J. Armstrong, Maximilian N. Günther, James McCormac +22

State of the art exoplanet transit surveys are producing ever increasing quantities of data. To make the best use of this resource, in detecting interesting planetary systems or in…

astro-ph.EP2018★ 28 cited

NGTS-2b: An inflated hot-Jupiter transiting a bright F-dwarf

Liam Raynard, Michael R. Goad, Edward Gillen +42

We report the discovery of NGTS-2b, an inflated hot-Jupiter transiting a bright F5V star (2MASS J14202949-3112074; = K), discovered as part of the Ne…

astro-ph.SR2018★ 31 cited

Ground-based detection of G star superflares with NGTS

James A. G. Jackman, Peter J. Wheatley, Chloe E. Pugh +19

We present high cadence detections of two superflares from a bright G8 star (V = 11.56) with the Next Generation Transit Survey (NGTS). We improve upon previous superflare detectio…

astro-ph.EP2017★ 37 cited

Centroid vetting of transiting planet candidates from the Next Generation Transit Survey

Maximilian N. Günther, Didier Queloz, Edward Gillen +25

The Next Generation Transit Survey (NGTS), operating in Paranal since 2016, is a wide-field survey to detect Neptunes and super-Earths transiting bright stars, which are suitable f…