Results 1 to 10 of about 166,748 (261)
Small Mass Ratio Contact Binary [PDF]
Journal of Astronomy and Space Sciences, 2003 The contact binary system has been classified in five different types according to their physical properties.
Kyu-Dong Oh +3 more
doaj +3 more sources
CCD Photometry of Contact Binary WZ Cephei [PDF]
Journal of Astronomy and Space Sciences, 2008 We present the full BVR light curves and five times of minima of WZ Cep to provides a complete photometric solution and to confirm the long term variation of the light curves.
Woo-Baik Lee +2 more
doaj +3 more sources
Astronomy & Astrophysics, 2023 Context. It is common for massive stars to engage in binary interactions. In close binaries, the components can enter a contact phase, when both stars simultaneously overflow their respective Roche lobes. While observational constraints on the stellar properties of such systems exist, the most detailed stellar evolution models that feature a contact ...
Fabry, M. +3 more
+8 more sources
CoBiToM project – I. Contact binaries towards merging [PDF]
Monthly Notices of the Royal Astronomical Society, 2021 ABSTRACT Binary and multiple stellar systems are numerous in our solar neighbourhood with 80 per cent of the solar-type stars being members of systems with high order multiplicity. The Contact Binaries Towards Merging (CoBiToM) Project is a programme that focuses on contact binaries and multiple stellar systems, as a key for ...
K D Gazeas +8 more
openaire +5 more sources
Low Mass Ratio Contact Binary V410 Aur and V776 Cas - II [PDF]
Journal of Astronomy and Space Sciences, 2005 New BVR CCD light curves of the low mass ratio contact binaries, V410 Aur and V776 Cas, were observed with the 61 cm reflector and a 2K CCD camera at the Sobaeksan Astronomical Observatory.
Kyu-Dong Oh, Chun-Hwey Kim, Ho-iL Kim
doaj +1 more source
Small Mass Ratio Contact Binary GR Vir and HV Aqr [PDF]
Journal of Astronomy and Space Sciences, 2004 The absolute dimensions of low mass contact binary, GR Vir and HV Aqr were obtained using WD program from the published spectroscopic and photometric observational data.
Kyu-Dong Oh +4 more
doaj +1 more source
Photometric Solutions of W UMa Type Stars: GSC2576-0319 and GSC2584-1731 [PDF]
Journal of Astronomy and Space Sciences, 2006 High-precision photometric observations were performed in BVI bandpasses using 1m robotic telescope at Mt. Lemmon Observatory for two binary stars, which are reclassified as W UMa-type systems from ROTSE(Robotic Optical Transient Search Experiment ...
Chung-Uk Lee, Jae Woo Lee, Chun-Hwey Kim
doaj +1 more source
Determinations of its Absolute Dimensions and Distance by the Analyses of Light and Radial-Velocity Curves [PDF]
Journal of Astronomy and Space Sciences, 2004 We completed the light curves of the contact binary CK Boo for 13 nights from June to July in 2004 using the 1-m reflector and BVR filters at Mt. Lemmon Optical Astronomy Observatory, and determined four new times of minimum light (three timings for ...
Jae Woo Lee +4 more
doaj +1 more source
Determinations of its Absolute Dimensions and Distance by the Analyses of Light and Radial-Velocity Curves of the Contact Binary -I. V417 Aquilae [PDF]
Journal of Astronomy and Space Sciences, 2004 New photometric and spectroscopic solutions of W-type overcontact binary V417 Aql were obtained by solving the UBV light curves of Samec et al. (1997) and radial-velocity ones of Lu & Rucinski (1999) with the 2003 version of the Wilson-Devinney binary ...
Jae Woo Lee +3 more
doaj +1 more source
Statistical Survey for the Physical Characteristic of Near Contact Binary(NCBs) [PDF]
Journal of Astronomy and Space Sciences, 2005 The absolute dimensions and orbital elements of 66 near contact binaries, collected from literatures, have been analyzed to investigate the physical characteristics of the near contact binaries as well as co-relations among physical parameters.
Kyu-Dong Oh
doaj +1 more source