New high-resolution spectroscopy of the Algol-type binary R CMa is presented and reduced,
allowing a re-analysis of this 'puzzling'close pair. New radial velocity curves are in better …

We present the evolutionary scenarios for three eclipsing twin (q (M 2/M 1)∼ 1) binary
systems using their combined spectroscopic and photometric data. Using accurate TESS …

Algol-type binary systems are the product of rapid mass transfer between the initially more
massive component to its companion. It is still unknown whether the process is conservative …

Bruce Slee is one of the pioneers of radio astronomy. After recording solar emission during
World War II, he joined what was then the Council of Scientific and Industrial Research's …

Three Algol-type binary systems (IO Cep, IM Cep and TX Ari) showing cyclic orbital period
changes are studied. The combination of time of minimum data from the ground-based …

New spectroscopy of the classical Algol system δ Lib, combined with high-quality optical and
infrared photometry, provides the basis for a good understanding of the close binary …

We have carried out an investigation of the early-type multiple star U Oph. We have used
new high-resolution spectroscopy with the High Efficiency and Resolution Canterbury …

Photometry of the short-period (P∼ 0.285 d) low-mass (M1∼ 0.67, M2∼ 0.48 M⊙) W UMa-
type eclipsing binary RW Dor, mainly involving a good series of observations in 1987–88 …

Three eclipsing binary systems with astrometric orbit have been studied. For a detailed
analysis two circular‐orbit binaries (VW Cep and HT Vir) and one binary with an eccentric …

The list of 240 eclipsing variables with the light equation (LITE effect) has been compiled.
Some characteristics of multiple systems have been determined assuming that those stars …