5. Discussion and conclusions
The first complete photometric light curves in BVR bands of
V1848 Ori were observed during four nights, using the 0.5-m telescope
at Sirindhorn Observatory, Chiang Mai University. We found
eight times of minimum light and positive type O’Connell effect.
The orbital period was confirmed at 0.2663493(±0.0000002) d,
similar to that Blättler and Diethelm (2007) reported. The BVR light
curves were used to derive photometric solutions, using W-D
method. The results contributed the temperature of the primary
(hotter and more massive) star of 6000 K, with the temperature
difference between the components of about 400 K. The mass ratio
of this system was found as 0.7615(±0.0022), with the weakcontact
configuration at the fillout factor of f = 13.14%(±1.44%).
The starspots on both components can be explained the magnetic
activity for the O’Connell effect.
5. Discussion and conclusionsThe first complete photometric light curves in BVR bands ofV1848 Ori were observed during four nights, using the 0.5-m telescopeat Sirindhorn Observatory, Chiang Mai University. We foundeight times of minimum light and positive type O’Connell effect.The orbital period was confirmed at 0.2663493(±0.0000002) d,similar to that Blättler and Diethelm (2007) reported. The BVR lightcurves were used to derive photometric solutions, using W-Dmethod. The results contributed the temperature of the primary(hotter and more massive) star of 6000 K, with the temperaturedifference between the components of about 400 K. The mass ratioof this system was found as 0.7615(±0.0022), with the weakcontactconfiguration at the fillout factor of f = 13.14%(±1.44%).The starspots on both components can be explained the magneticactivity for the O’Connell effect.
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