TY - JOUR
T1 - Eclipsing binary science via the merging of transit and doppler exoplanet survey data - A case study with the marvels pilot project and SuperWASP
AU - Fleming, Scott W.
AU - Maxted, Pierre F.L.
AU - Hebb, Leslie
AU - Stassun, Keivan G.
AU - Ge, Jian
AU - Cargile, Phillip A.
AU - Ghezzi, Luan
AU - De Lee, Nathan M.
AU - Wisniewski, John
AU - Gary, Bruce
AU - Porto De Mello, G. F.
AU - Ferreira, Leticia
AU - Zhao, Bo
AU - Anderson, David R.
AU - Wan, Xiaoke
AU - Hellier, Coel
AU - Guo, Pengcheng
AU - West, Richard G.
AU - Mahadevan, Suvrath
AU - Pollacco, Don
AU - Lee, Brian
AU - Collier Cameron, Andrew
AU - Van Eyken, Julian C.
AU - Skillen, Ian
AU - Crepp, Justin R.
AU - Cuong Nguyen, Duy
AU - Kane, Stephen R.
AU - Paegert, Martin
AU - Nicolaci Da Costa, Luiz
AU - Maia, Marcio A.G.
AU - Santiago, Basilio X.
PY - 2011/8
Y1 - 2011/8
N2 - Exoplanet transit and Doppler surveys discover many binary stars during their operation that can be used to conduct a variety of ancillary science. Specifically, eclipsing binary stars can be used to study the stellar mass-radius relationship and to test predictions of theoretical stellar evolution models. By cross-referencing 24 binary stars found in the MARVELS Pilot Project with SuperWASP photometry, we find two new eclipsing binaries, TYC 0272-00458-1 and TYC 1422-01328-1, which we use as case studies to develop a general approach to eclipsing binaries in survey data. TYC 0272-00458-1 is a single-lined spectroscopic binary for which we calculate a mass of the secondary and radii for both components using reasonable constraints on the primary mass through several different techniques. For a primary mass of M 1 = 0.92 0.1 M, we find M 2 = 0.610 0.036 M, R 1 = 0.932 0.076 R, and R 2 = 0.559 0.102 R, and find that both stars have masses and radii consistent with model predictions. TYC 1422-01328-1 is a triple-component system for which we can directly measure the masses and radii of the eclipsing pair. We find that the eclipsing pair consists of an evolved primary star (M 1 = 1.163 0.034 M, R 1 = 2.063 0.058 R) and a G-type dwarf secondary (M 2 = 0.905 0.067 M, R 2 = 0.887 0.037 R). We provide the framework necessary to apply this analysis to much larger data sets.
AB - Exoplanet transit and Doppler surveys discover many binary stars during their operation that can be used to conduct a variety of ancillary science. Specifically, eclipsing binary stars can be used to study the stellar mass-radius relationship and to test predictions of theoretical stellar evolution models. By cross-referencing 24 binary stars found in the MARVELS Pilot Project with SuperWASP photometry, we find two new eclipsing binaries, TYC 0272-00458-1 and TYC 1422-01328-1, which we use as case studies to develop a general approach to eclipsing binaries in survey data. TYC 0272-00458-1 is a single-lined spectroscopic binary for which we calculate a mass of the secondary and radii for both components using reasonable constraints on the primary mass through several different techniques. For a primary mass of M 1 = 0.92 0.1 M, we find M 2 = 0.610 0.036 M, R 1 = 0.932 0.076 R, and R 2 = 0.559 0.102 R, and find that both stars have masses and radii consistent with model predictions. TYC 1422-01328-1 is a triple-component system for which we can directly measure the masses and radii of the eclipsing pair. We find that the eclipsing pair consists of an evolved primary star (M 1 = 1.163 0.034 M, R 1 = 2.063 0.058 R) and a G-type dwarf secondary (M 2 = 0.905 0.067 M, R 2 = 0.887 0.037 R). We provide the framework necessary to apply this analysis to much larger data sets.
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U2 - 10.1088/0004-6256/142/2/50
DO - 10.1088/0004-6256/142/2/50
M3 - Article
AN - SCOPUS:79960917868
SN - 0004-6256
VL - 142
JO - Astronomical Journal
JF - Astronomical Journal
IS - 2
M1 - 50
ER -