Ruprecht 147 DANCe I. Members, empirical isochrone, luminosity, and mass distributions
2019
ASTRONOMY & ASTROPHYSICS
DOI
10.1051/0004-6361/201834924
Context. Ruprecht 147 is the oldest (2.5 Gyr) open cluster in the solar vicinity (<300 pc), making it an important target for stellar evolution studies and exoplanet searches.