activity
20232025
most citedDiscovery and characterisation of two Neptune-mass planets orbiting HD 212729 with TESS

6 citations · 17 across the 6 of their papers we have counts for

collaborators

6 papers

astro-ph.EP2025

The TOI-1117 Multi-planetary System: 3 sub-Neptunes, 1 in both the Neptunian Desert and Radius Valley

Isobel S. Lockley, David J. Armstrong, Jorge Fernández Fernández +33

We present the discovery of three sub-Neptune planets around TOI-1117, a Sun-like star with mass , radius , age Gyr and ef…

astro-ph.EP2025

Exploring the Neptunian Desert: Insights from a Homogeneous Planetary Sample

Lauren Doyle, David J. Armstrong, Lorena Acuña +26

In this paper, we present a homogeneous analysis of close-in Neptune planets. To do this, we compile a sample of TESS-observed planets using a ranking criterion which takes into ac…

astro-ph.EP20246 cited

Radii, masses, and transit-timing variations of the three-planet system orbiting the naked-eye star TOI-396

A. Bonfanti, I. Amateis, D. Gandolfi +38

TOI-396 is an F6V star () orbited by three transiting planets. The orbital periods of the two innermost planets are close to the 5:3 commensurability ( d…

astro-ph.EP2024

TOI-2374 b and TOI-3071 b: two metal-rich sub-Saturns well within the Neptunian desert

Alejandro Hacker, Rodrigo F. Díaz, David J. Armstrong +40

We report the discovery of two transiting planets detected by the Transiting Exoplanet Survey Satellite (TESS), TOI-2374 b and TOI-3071 b, orbiting a K5V and an F8V star, respectiv…

astro-ph.EP20236 cited

Discovery and characterisation of two Neptune-mass planets orbiting HD 212729 with TESS

David J. Armstrong, Ares Osborn, Vardan Adibekyan +33

We report the discovery of two exoplanets orbiting around HD 212729 (TOI\,1052, TIC 317060587), a K star with V=9.51 observed by TESS in Sectors 1 and 13. One exo…

astro-ph.EP20235 cited

TOI-2498 b: A hot bloated super-Neptune within the Neptune desert

Ginger Frame, David J. Armstrong, Heather M. Cegla +39

We present the discovery and confirmation of a transiting hot, bloated Super-Neptune using photometry from TESS and LCOGT and radial velocity measurements from HARPS. The host star…