Results 41 to 50 of about 2,931,024 (350)
Period Change of the Contact Binary AH Tauri [PDF]
Journal of Astronomy and Space Sciences, 2004 New BVRI photometric observations of the contact binary AH Tau were performed with the 61 cm reflector and a 2K CCD camera at the Sobaeksan Optical Astronomy Observatory during seven nights from September to December, 2001. A total of 144 times of minima
Dongjoo Lee +5 more
doaj +1 more source
Low Mass Ratio Contact Binary Systems HN UMa and II UMa - III [PDF]
Journal of Astronomy and Space Sciences, 2006 We present newly observed BVRI CCD light curves for low mass ratio contact binaries, HN UMa and II UMa. The absolute dimensions of these objects were obtained by applying the Wilson-Devinney program to previously published spectroscopic analysis and to ...
Woo-Baik Lee +3 more
doaj +1 more source
CCD Photometry of Low Mass Ratio Contact Binary FP Boo - IV [PDF]
Journal of Astronomy and Space Sciences, 2009 We present new B, V, and R CCD photometric light curves for the low mass ratio contact binary FP Boo. A new photometric solution and absolute physical dimensions of the system were derived by applying the Wilson-Devinney program to our observed light ...
Kyu-Dong Oh, Woo-Baik Lee
doaj +1 more source
A Possible Dynamically Cold Classical Contact Binary: (126719) 2002 CC249 [PDF]
, 2017 Images of the Kuiper Belt object (126719) 2002 CC249 obtained in 2016 and 2017 using the 6.5 m Magellan-Baade Telescope and the 4.3 m Discovery Channel Telescope are presented.
A. Thirouin, S. Sheppard
semanticscholar +1 more source
Energy Transfer in Contact Binaries [PDF]
Symposium - International Astronomical Union, 1976 The anomalous mass-luminosity relation for the components of a contact binary system is usually explained by postulating strong energy transfer from the primary to the secondary. It has been assumed that the transfer occurs in the common convective envelope surrounding the two stars, but so far the only attempt at a model for the energy transfer has ...
A. P. Moses, R. C. Smith
openaire +3 more sources
OBSERVED PROPERTIES OF CONTACT BINARY SYSTEMS
Odessa Astronomical Publications, 2017 A group of close eclipsing systems, which continues to pose a challenge in many subjects of modern astrophysics, is that of contact binaries. In this study, using the most recent observational data of a large sample of such systems, a review concerning ...
A. Kalimeris, H. Rovithis-Livaniou
doaj +1 more source
2004 TT357: A Potential Contact Binary in the Trans-Neptunian Belt [PDF]
, 2017 We report photometric observations of the trans-Neptunian object 2004 TT357 obtained in 2015 and 2017 using the 4.3 m Lowell’s Discovery Channel Telescope.
A. Thirouin, S. Sheppard, K. Noll
semanticscholar +1 more source
Light Curves and Roche Configurations of Near-Contact Binary AX Draconis [PDF]
Journal of Astronomy and Space Sciences, 2003 We completed the light curves of near-contact binary system AX Dra for 11 nights from March 2001 to May using the 61-cm reflector and VR filters at Sobaeksan Optical Astronomy Observatory.
Ho-Il Kim +4 more
doaj +1 more source
Frontiers in Physics, 2021 This paper aims to study the shear behavior of binary particles with irregular shapes by discrete element method simulations of the biaxial test in the membrane boundary condition.
Kai Wu +4 more
doaj +1 more source
First photometric study of ultrashort-period contact binary 1SWASP J140533.33+114639.1 [PDF]
, 2017 In this paper, CCD photometric light curves for the short-period eclipsing binary 1SWASP J140533.33+114639.1 (hereafter J1405) in the BV R bands are presented and analyzed using the 2013 version of the Wilson-Devinney (W-D) code.
Bin Zhang +4 more
semanticscholar +1 more source