Drozd, K.; Swierczynski, E.; Ragan, E.; Buil, C.
(Advances in Astronomy and Space Physics, 2013)
V407 Cygni and RS Ophiuchi are two similar but unique objects. It can be said that they each belong to an individual type of stars. During their quiet state they seem to be symbiotic stars. However, both stars have previously ...