You are implying this study was by nasa. But, it wasn't. Here's the author and affiliation list:

Mario Damasso1,*, Fabio Del Sordo2,3,*, Guillem Anglada-Escudé4, Paolo Giacobbe1, Alessandro Sozzetti1, Alessandro Morbidelli5, Grzegorz Pojmanski6, Domenico Barbato1,7, R. Paul Butler8, Hugh R. A. Jones9, Franz-Josef Hambsch10, James S. Jenkins11, María José López-González12, Nicolás Morales12, Pablo A. Peña Rojas11, Cristina Rodríguez-López12, Eloy Rodríguez12, Pedro J. Amado12, Guillem Anglada12, Fabo Feng8 and Jose F. Gómez12
1INAF-Osservatorio Astrofisico di Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.
2Department of Physics, University of Crete, Voutes, 70013 Heraklion, Greece.
3Institute of Astrophysics, Foundation for Research and Technology-Hellas, PO Box 1527, 71110 Heraklion, Crete, Greece.
4School of Physics and Astronomy, Queen Mary University of London, 327 Mile End Rd., E14NS London, UK.
5Laboratoire Lagrange, UMR7293, Université Côte d’Azur, CNRS, Observatoire de la Côte d’Azur, Boulevard de l’Observatoire, 06304, Nice Cedex 4, France.
6Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warszawa, Poland.
7Dipartimento di Fisica, Universitá degli Studi di Torino, Via Pietro Giuria 1, I-10125 Torino, Italy.
8Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington, DC 20015-1305, USA.
9Centre for Astrophysics Research School of Physics, Astronomy and Mathematics University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK.
10American Association of Variable Stars Observers, 49 Bay State Road, Cambridge, MA 02138, USA.
11Departamento de Astronomía, Universidad de Chile, Camino El Observatorio 1515, Las Condes, Santiago, Chile.
12Instituto de Astrofísica de Andalucía (IAA-CSIC), Glorieta de la Astronomía s/n, 18008 Granada, Spain.
↵*Corresponding author. Email: [email protected] (M.D.); [email protected] (F.D.S.)
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