54 citations · 88 across the 2 of their papers we have counts for
Showing 1999Show all
2 papers · 1 filter
astro-ph1999
A mystery solved: the mass ratio of the dwarf nova EM Cygni
R. C. North, T. R. Marsh, C. K. J. Moran +3
We have discovered that the spectrum of the well-known dwarf nova EM Cyg is contaminated by light from a K2-5V star (in addition to the K-type mass donor star). The K2-5V star cont…
astro-ph1999
Orbital periods of the binary sdB stars PG0940+068 and PG1247+554
P. F. L. Maxted, C. K. J. Moran, T. R. Marsh +1
We have used the radial velocity variations of two sdB stars previously reported to be binaries to establish their orbital periods. They are PG0940+068, (P=8.33d) and PG1247+554 (P…