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Photometric Investigation of the Contact Binary GU Ori with High Metallicity
Xiao Zhou, Shengbang Qian, Boonrucksar Soonthornthum +5
GU Ori was observed with the 1m telescope at Yunnan Observatories in 2005. To determine its physical properties, the Wilson-Devinney program is used. The results reveal that GU Ori…
New Photometric Investigation of the Low-Mass-Ratio Contact Binary Star V1853 Orionis
Jia-Jia He, Sheng-Bang Qian, B. Soonthornthum +3
Four-color charge-coupled device (CCD) light curves in , , and bands of the total-eclipsing binary system, V1853 Ori, are presented. By comparing our light curves w…
TY Pup: a low-mass-ratio and deep contact binary as a progenitor candidate of luminous red novae
T. Sarotsakulchai, S. B. Qian, B. Soonthornthum +6
TY Pup is a well-known bright eclipsing binary in southern hemisphere with an orbital period of 0.8192 days. New light curves in bands were obtained with the 0.61-m…
NSVS 01286630: A Detached Binary with a Close-in Companion
Bin Zhang, Sheng-bang Qian, Wen-ping Liao +3
New photometric observations of NSVS 01286630 were performed and two sets of four-color (B, V , Rc, Ic) light curves (LCs) were obtained. Using the 2013 version of the Wilson-Devin…
RW Dor: A G-type shallow contact binary with new orbital period investigation
T. Sarotsakulchai, S. -B. Qian, B. Soonthornthum +9
New CCD photometric light curves of short period (P=0.285d) eclipsing binary RW Dor are presented. The observations performed with the PROMPT-8 robotic telescope at CTIO in Chile f…
Photometric Analysis of the eclipsing Polar MN Hya
Qi-Shan Wang, Sheng-Bang Qian, Zhong-Tao Han +3
As an eclipsing polar with 3.39 hrs orbital period, MN Hya was going through state change when we observed it during 2009-2016. 10 new mid-eclipse times, along with others obtained…