Please follow https://ntrs.nasa.gov/search.jsp?Ntx=mode+matchall|mode%20matchall&Ntk=All|All&N=4294129243&Ntt=exoplanet|habitable&Nf=Acquired-Date|GT+20170101&utm_source=sti.nasa.gov&utm_medium=TRAPPIST1&utm_campaign=Highlights.