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Long-term CCD Photometry and Physical Properties of the sdB+M Eclipsing System 2M 1533+3759
Jae Woo Lee, Jae-Hyuck Youn, Kyeongsoo Hong +1
New CCD photometry of seven successive years from 2010 is presented for the HW Vir-type eclipsing binary 2M 1533+3759. Using the light curves together with the radial-velocity…
Photometric defocus observations of transiting extrasolar planets
Tobias C. Hinse, Wonyong Han, Jo-Na Yoon +3
We have carried out photometric follow-up observations of bright transiting extrasolar planets using the CbNUOJ 0.6m telescope. We have tested the possibility of obtaining high pho…
The Pulsating sdB+M Eclipsing System NY Virginis and its Circumbinary Planets
Jae Woo Lee, Tobias Cornelius Hinse, Jae-Hyuck Youn +1
We searched for circumbinary planets orbiting NY Vir in historical eclipse times including our long-term CCD data. Sixty-eight times of minimum light with accuracies better than 10…
Long-term Photometric Behavior of the Eclipsing Binary GW Cephei
Jae Woo Lee, Jae-Hyuck Youn, Wonyong Han +5
New CCD photometry during 4 successive years from 2005 is presented for the eclipsing binary GW Cep, together with reasonable explanations for the light and period variations. All…