2 papers
astro-ph2004
Correlation of IR and Opticical Variability in NGC4151
V. L. Oknyanskij, V. M. Lyuty, O. G. Taranova +1
We combine all published NIR and optical photometrical observations of NGC 4151 as well as our new unpublished yet data which can be used for determination of time delays between o…
astro-ph1998
An Improved Orbital Ephemeris for Cygnus X-1
C. Brocksopp, A. E. Tarasov, V. M. Lyuty +1
By accumulating all available radial velocity data and combining it with our own spectroscopy we present a new and improved ephemeris for Cygnus X-1 (V1357 Cygni/HDE226868). We ini…