G
Geert Barentsen
Researcher at Ames Research Center
Publications - 143
Citations - 11516
Geert Barentsen is an academic researcher from Ames Research Center. The author has contributed to research in topics: Exoplanet & Planet. The author has an hindex of 30, co-authored 141 publications receiving 8696 citations. Previous affiliations of Geert Barentsen include Max Planck Society & University of Hertfordshire.
Papers
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Journal ArticleDOI
K2-138 g: Spitzer Spots a Sixth Planet for the Citizen Science System
Kevin K. Hardegree-Ullman,Jessie L. Christiansen,David R. Ciardi,Ian J. M. Crossfield,Courtney D. Dressing,John H. Livingston,Kathryn Volk,Eric Agol,Thomas Barclay,Geert Barentsen,Björn Benneke,Varoujan Gorjian,Martti H. Kristiansen +12 more
TL;DR: The K2-138 system with the most currently known planets was verified in this paper, where the authors verified the sixth planet's orbital period of $41.966 ± 0.006$ days and measure a radius of $3.44+0.32−0.31.
Posted Content
High resolution H-alpha imaging of the Northern Galactic Plane, and the IGAPS images database
Robert Greimel,Janet E. Drew,Maria Monguió,R. P. Ashley,Geert Barentsen,J. Eislöffel,Antonio Mampaso,Rhys Morris,Tim Naylor,C. Roe,Laurence Sabin,B. Stecklum,Nicholas J. Wright,Paul J. Groot,Mike Irwin,M. J. Barlow,C. Fariña,A. Fernández-Martín,Quentin A. Parker,Steven Phillipps,Simone Scaringi,A. A. Zijlstra +21 more
TL;DR: In this article, the authors present a database of images for all 5 survey filters, i, r, g, U-RGO and narrowband H-alpha, observed on a pixel scale of 0.33 arcsec and at an effective (median) angular resolution of 1.1 to 1.3 arcsec.
Journal ArticleDOI
K2 Targets Observed in TESS Cycles 1-3
Jessie L. Dotson,Knicole D. Colón,Geert Barentsen,Christina Hedges,Thomas Barclay,Thomas Barclay +5 more
TL;DR: A list of all the 55,641 targets observed by K2 which fell within the TESS field of view during its first three years of observations is presented.