Speakers
Niroot Lamlert
Wiraporn Maithong
(Chiang Mai Rajabhat University)
Description
V781 Tau is the one of W UMa type of the eclipsing binary system which its orbital period is 0.34 days. The 0.7 -meter telescope with CCD photometric system in B and V filters was conducted at the Regional Observatory for the Public, Chachoengsao, Thailand was used for data observation, during December 2018, UT. The Wilson-Devinney Technique was used for calculated the physical properties of V781 Tau. The result show the inclination of their orbital is 66.140 0.14. The effective temperature of the primary and secondary star is 6060 and 5881 K, respectively and the degree of contact is 4.38 %
Primary authors
Niroot Lamlert
Wiraporn Maithong
(Chiang Mai Rajabhat University)