A Revised Period for
Theta1 Orionis A
Marvin E. Baldwin
Butlerville, IN 47223
A single visual observation
made in February, 1977, indicated the established period (196.298 days) should
be divided by three. More recent observations confirm this finding.
Link to ADS abstract, article and citation information
Put Your Logo Here ...
Donate to the AAVSO via Amazon.com