Building an astrometric reference frame for tests of General Relativity with stellar orbits at the Galactic center with HST and GAIA
Published in 2019 by
Tuan Do,
Jay Anderson,
Eric E. Becklin,
Andrea M. Ghez,
Aurelien Hees,
Matthew Hosek,
Jessica Ryan Lu 
,
Keith Matthews,
Mark R. Morris,
Shoko Sakai,
Gunther Witzel
,
Keith Matthews,
Mark R. Morris,
Shoko Sakai,
Gunther Witzel
