79 citations · 471 across the 31 of their papers we have counts for
31 papers
Polarization position angle standard stars: a reassessment of and its variability for seventeen stars based on a decade of observations
Daniel V. Cotton, Jeremy Bailey, Lucyna Kedziora-Chudczer +14
Observations of polarization position angle () standards made from 2014 to 2023 with the High Precision Polarimetric Instrument (HIPPI) and other HIPPI-class polarimeters in bot…
Photometric and Spectroscopic study of Ten Low Mass Ratio Contact Binary Systems: Orbital Stability, O'Connell Effect and Infra-red Calcium Line Filling
Surjit S. Wadhwa, Adam Popowicz, Raul Michel +5
Low mass ratio contact binary systems are more likely to have unstable orbits and potentially merge. In addition, such systems exhibit characteristics such as starspots and high en…
Rapid polarization variations in the O4 supergiant Puppis
Jeremy Bailey, Ian D. Howarth, Daniel V. Cotton +5
We present time-series linear-polarization observations of the bright O4 supergiant Puppis. The star is found to show polarization variation on timescales of around an hour and…
Effects of Metallicity on the Instability Mass Ratio of Low Mass Contact Binary Systems
Surjit S. Wadhwa, Natalia R. Landin, Petar Kostic +7
The orbital stability of contact binary systems has been receiving considerable attention recently. Theoretical studies indicate that merger is likely to occur at very low mass rat…
Effective Temperature and the Light Curve Solution of Contact Binary Systems
Surjit Wadhwa, Nick Tothill, Miroslav Filipovic +1
With increasing number of contact binary discoveries and the recognition that luminous red novae are the result of contact binary merger events, there has been a significant increa…
A Study of Six Extreme Low Mass Ratio Contact Binary Systems
Surjit S. Wadhwa, Bojan Arbutina, Jelena Petrovic +4
Multi-band (B, V and R) photometric and spectroscopic observations of six poorly studied contact binaries carried out at the Western Sydney University and Las Cumbres Observatory w…