Two years later , an orbital period of 1.571 days was found by American astronomer Solon Irving Bailey .
It would not be until 1927 that the precise orbit of this spectroscopic binary was determined by Russian astronomer Otto Struve and American astrophysicist Christian T. Elvey .
Two years later , an orbital period of 1.571 days was found by American astronomer Solon Irving Bailey , but it would not be until 1927 that the precise orbit of this spectroscopic binary was determined by Russian astronomer Otto Struve and American astrophysicist Christian T. Elvey .