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- Goddard Space Flight CenterUS253 papers
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6 papers · 2 filters
The GAPS programme at TNG LXIV: An inner eccentric sub-Neptune and an outer sub-Neptune-mass candidate around BD+00 444 (TOI-2443)
L. Naponiello, A. S. Bonomo, L. Mancini +25
We examined in depth the star BD+00 444 (GJ 105.5, TOI-2443; V = 9.5 mag; d = 23.9 pc), with the aim of characterizing and confirming the planetary nature of its small companion, t…
GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc
Evan Tey, Avi Shporer, Zifan Lin +30
We report the discovery of the transiting planet GJ 238 b, with a radius of R ( times the radius of Mars) and an orbital period of 1.74 da…
A transiting multi-planet system in the 61 million year old association Theia 116
Sydney Vach, George Zhou, Chelsea X. Huang +28
Observing and characterizing young planetary systems can aid in unveiling the evolutionary mechanisms that sculpt the mature exoplanet population. As an all-sky survey, NASA's Tran…
Optimized Bandpasses for the Habitable Worlds Observatory's ExoEarth Survey
Christopher C. Stark, Natasha Latouf, Avi M. Mandell +1
A primary scientific goal of the future Habitable Worlds Observatory will be the direct detection and characterization of Earth-like planets. Estimates of the exoplanet yields for…
Validation of a Third Planet in the LHS 1678 System
Michele L. Silverstein, Thomas Barclay, Joshua E. Schlieder +24
The nearby LHS 1678 (TOI-696) system contains two confirmed planets and a wide-orbit, likely-brown-dwarf companion, which orbit an M2 dwarf with a unique evolutionary history. The…
The PFS view of TOI-677 b: A spin-orbit aligned warm Jupiter in a dynamically hot system
Qingru Hu, Malena Rice, Xian-Yu Wang +9
TOI-677 b is part of an emerging class of ``tidally-detached'' gas giants () that exhibit large orbital eccentricities and yet low stellar obliquities. Such s…