The constant orbital period of FF Ursae Majoris
The Observatories, Madingley Road, Cambridge CB3 0HA, UK
Received: 27 January 2011
Accepted: 20 October 2011
Gálvez et al. (2007, A&A, 472, 587) proposed that FF UMa, a double-lined G-type spectroscopic binary, has a variable orbital period. Here they are shown to be mistaken.
Key words: stars: late-type / binaries: spectroscopic / stars: individual: FF UMa
© ESO, 2012