The Nature of the Eccentric Double-lined Eclipsing Binary System KIC 2306740 with Kepler Space Photometry
We present a detailed study of KIC 2306740, an eccentric double-lined eclipsing binary system. Kepler satellite data were combined with spectroscopic data obtained with the 4.2 m William Herschel Telescope (WHT). This allowed us to determine precise orbital and physical parameters of this relatively...
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| Veröffentlicht in: | The Astrophysical journal 2021-04, Vol.910 (2), p.111 |
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| creator | Koçak, D. Yakut, K. Southworth, J. Eggleton, P. P. İçli, T. Tout, C. A. Bloemen, S. |
| description | We present a detailed study of KIC 2306740, an eccentric double-lined eclipsing binary system. Kepler satellite data were combined with spectroscopic data obtained with the 4.2 m William Herschel Telescope (WHT). This allowed us to determine precise orbital and physical parameters of this relatively long period (
P
= 10.ͩ3) and slightly eccentric (
e
= 0.3) binary system. The physical parameters have been determined to be
M
1
= 1.194 ± 0.008
M
⊙
,
M
2
= 1.078 ± 0.007
M
⊙
,
R
1
= 1.682 ± 0.004
R
⊙
,
R
2
= 1.226 ± 0.005
R
⊙
,
L
1
= 2.8 ± 0.4
L
⊙
,
L
2
= 1.8 ± 0.2
L
⊙
, and orbital separation
a
= 26.20 ± 0.04
R
⊙
through simultaneous solutions of the Kepler light curves and WHT radial velocity data. Binarity effects were extracted from the light curve in order to study intrinsic variations in the residuals. Five significant and more than 100 combination frequencies were detected. We modeled the binary system assuming nonconservative evolution models with the Cambridge
stars (twin)
code, and we show the evolutionary tracks of the components in the
log
L
–
log
T
plane, the
log
R
–
log
M
plane, and the
log
P
–
age
plane for both spin and orbital periods together with eccentricity
e
and
log
R
1
. The model of the nonconservative processes in the code led the system to evolve to the observed system parameters in roughly 5.1 Gyr. |
| doi_str_mv | 10.3847/1538-4357/abe546 |
| format | Article |
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P
= 10.ͩ3) and slightly eccentric (
e
= 0.3) binary system. The physical parameters have been determined to be
M
1
= 1.194 ± 0.008
M
⊙
,
M
2
= 1.078 ± 0.007
M
⊙
,
R
1
= 1.682 ± 0.004
R
⊙
,
R
2
= 1.226 ± 0.005
R
⊙
,
L
1
= 2.8 ± 0.4
L
⊙
,
L
2
= 1.8 ± 0.2
L
⊙
, and orbital separation
a
= 26.20 ± 0.04
R
⊙
through simultaneous solutions of the Kepler light curves and WHT radial velocity data. Binarity effects were extracted from the light curve in order to study intrinsic variations in the residuals. Five significant and more than 100 combination frequencies were detected. We modeled the binary system assuming nonconservative evolution models with the Cambridge
stars (twin)
code, and we show the evolutionary tracks of the components in the
log
L
–
log
T
plane, the
log
R
–
log
M
plane, and the
log
P
–
age
plane for both spin and orbital periods together with eccentricity
e
and
log
R
1
. The model of the nonconservative processes in the code led the system to evolve to the observed system parameters in roughly 5.1 Gyr.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.3847/1538-4357/abe546</identifier><language>eng</language><publisher>Philadelphia: IOP Publishing</publisher><subject>Astrophysics ; Binary stars ; Light curve ; Mathematical models ; Orbits ; Parameters ; Physical properties ; Radial velocity ; Satellite data ; Satellites ; Space telescopes ; Stellar evolution ; Stellar system evolution</subject><ispartof>The Astrophysical journal, 2021-04, Vol.910 (2), p.111</ispartof><rights>Copyright IOP Publishing Apr 01, 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-f4956b7d6f19b45f3ef6a35caa96cc4410b048295f6273a4402701d78786f6693</citedby><cites>FETCH-LOGICAL-c313t-f4956b7d6f19b45f3ef6a35caa96cc4410b048295f6273a4402701d78786f6693</cites><orcidid>0000-0002-1556-9449 ; 0000-0003-2380-9008 ; 0000-0002-7874-7820 ; 0000-0002-6636-921X ; 0000-0002-3000-9829</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Koçak, D.</creatorcontrib><creatorcontrib>Yakut, K.</creatorcontrib><creatorcontrib>Southworth, J.</creatorcontrib><creatorcontrib>Eggleton, P. P.</creatorcontrib><creatorcontrib>İçli, T.</creatorcontrib><creatorcontrib>Tout, C. A.</creatorcontrib><creatorcontrib>Bloemen, S.</creatorcontrib><title>The Nature of the Eccentric Double-lined Eclipsing Binary System KIC 2306740 with Kepler Space Photometry</title><title>The Astrophysical journal</title><description>We present a detailed study of KIC 2306740, an eccentric double-lined eclipsing binary system. Kepler satellite data were combined with spectroscopic data obtained with the 4.2 m William Herschel Telescope (WHT). This allowed us to determine precise orbital and physical parameters of this relatively long period (
P
= 10.ͩ3) and slightly eccentric (
e
= 0.3) binary system. The physical parameters have been determined to be
M
1
= 1.194 ± 0.008
M
⊙
,
M
2
= 1.078 ± 0.007
M
⊙
,
R
1
= 1.682 ± 0.004
R
⊙
,
R
2
= 1.226 ± 0.005
R
⊙
,
L
1
= 2.8 ± 0.4
L
⊙
,
L
2
= 1.8 ± 0.2
L
⊙
, and orbital separation
a
= 26.20 ± 0.04
R
⊙
through simultaneous solutions of the Kepler light curves and WHT radial velocity data. Binarity effects were extracted from the light curve in order to study intrinsic variations in the residuals. Five significant and more than 100 combination frequencies were detected. We modeled the binary system assuming nonconservative evolution models with the Cambridge
stars (twin)
code, and we show the evolutionary tracks of the components in the
log
L
–
log
T
plane, the
log
R
–
log
M
plane, and the
log
P
–
age
plane for both spin and orbital periods together with eccentricity
e
and
log
R
1
. The model of the nonconservative processes in the code led the system to evolve to the observed system parameters in roughly 5.1 Gyr.</description><subject>Astrophysics</subject><subject>Binary stars</subject><subject>Light curve</subject><subject>Mathematical models</subject><subject>Orbits</subject><subject>Parameters</subject><subject>Physical properties</subject><subject>Radial velocity</subject><subject>Satellite data</subject><subject>Satellites</subject><subject>Space telescopes</subject><subject>Stellar evolution</subject><subject>Stellar system evolution</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNo9kM9LwzAcxYMoOKd3jwHPdUnzqznq3HRsqLAJ3kKaJS6ja2uSIvvvbZl4erzH4_vlfQC4xeieFFRMMCNFRgkTE11aRvkZGP1H52CEEKIZJ-LzElzFuB9sLuUI-M3OwledumBh42Dq3cwYW6fgDXxqurKyWeVru-3jyrfR11_w0dc6HOH6GJM9wOViCnOCuKAI_vi0g0vbVjbAdauNhe-7JjUHm8LxGlw4XUV786dj8DGfbaYv2erteTF9WGWGYJIyRyXjpdhyh2VJmSPWcU2Y0VpyYyjFqES0yCVzPBdEU4pygfBWFKLgjnNJxuDudLcNzXdnY1L7pgt1_1LlDEmEJMeib6FTy4QmxmCdaoM_9LMURmoAqgZ6aqCnTkDJLwu-ZuU</recordid><startdate>20210401</startdate><enddate>20210401</enddate><creator>Koçak, D.</creator><creator>Yakut, K.</creator><creator>Southworth, J.</creator><creator>Eggleton, P. P.</creator><creator>İçli, T.</creator><creator>Tout, C. A.</creator><creator>Bloemen, S.</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1556-9449</orcidid><orcidid>https://orcid.org/0000-0003-2380-9008</orcidid><orcidid>https://orcid.org/0000-0002-7874-7820</orcidid><orcidid>https://orcid.org/0000-0002-6636-921X</orcidid><orcidid>https://orcid.org/0000-0002-3000-9829</orcidid></search><sort><creationdate>20210401</creationdate><title>The Nature of the Eccentric Double-lined Eclipsing Binary System KIC 2306740 with Kepler Space Photometry</title><author>Koçak, D. ; Yakut, K. ; Southworth, J. ; Eggleton, P. P. ; İçli, T. ; Tout, C. A. ; Bloemen, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-f4956b7d6f19b45f3ef6a35caa96cc4410b048295f6273a4402701d78786f6693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Astrophysics</topic><topic>Binary stars</topic><topic>Light curve</topic><topic>Mathematical models</topic><topic>Orbits</topic><topic>Parameters</topic><topic>Physical properties</topic><topic>Radial velocity</topic><topic>Satellite data</topic><topic>Satellites</topic><topic>Space telescopes</topic><topic>Stellar evolution</topic><topic>Stellar system evolution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Koçak, D.</creatorcontrib><creatorcontrib>Yakut, K.</creatorcontrib><creatorcontrib>Southworth, J.</creatorcontrib><creatorcontrib>Eggleton, P. P.</creatorcontrib><creatorcontrib>İçli, T.</creatorcontrib><creatorcontrib>Tout, C. A.</creatorcontrib><creatorcontrib>Bloemen, S.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>The Astrophysical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Koçak, D.</au><au>Yakut, K.</au><au>Southworth, J.</au><au>Eggleton, P. P.</au><au>İçli, T.</au><au>Tout, C. A.</au><au>Bloemen, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Nature of the Eccentric Double-lined Eclipsing Binary System KIC 2306740 with Kepler Space Photometry</atitle><jtitle>The Astrophysical journal</jtitle><date>2021-04-01</date><risdate>2021</risdate><volume>910</volume><issue>2</issue><spage>111</spage><pages>111-</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>We present a detailed study of KIC 2306740, an eccentric double-lined eclipsing binary system. Kepler satellite data were combined with spectroscopic data obtained with the 4.2 m William Herschel Telescope (WHT). This allowed us to determine precise orbital and physical parameters of this relatively long period (
P
= 10.ͩ3) and slightly eccentric (
e
= 0.3) binary system. The physical parameters have been determined to be
M
1
= 1.194 ± 0.008
M
⊙
,
M
2
= 1.078 ± 0.007
M
⊙
,
R
1
= 1.682 ± 0.004
R
⊙
,
R
2
= 1.226 ± 0.005
R
⊙
,
L
1
= 2.8 ± 0.4
L
⊙
,
L
2
= 1.8 ± 0.2
L
⊙
, and orbital separation
a
= 26.20 ± 0.04
R
⊙
through simultaneous solutions of the Kepler light curves and WHT radial velocity data. Binarity effects were extracted from the light curve in order to study intrinsic variations in the residuals. Five significant and more than 100 combination frequencies were detected. We modeled the binary system assuming nonconservative evolution models with the Cambridge
stars (twin)
code, and we show the evolutionary tracks of the components in the
log
L
–
log
T
plane, the
log
R
–
log
M
plane, and the
log
P
–
age
plane for both spin and orbital periods together with eccentricity
e
and
log
R
1
. The model of the nonconservative processes in the code led the system to evolve to the observed system parameters in roughly 5.1 Gyr.</abstract><cop>Philadelphia</cop><pub>IOP Publishing</pub><doi>10.3847/1538-4357/abe546</doi><orcidid>https://orcid.org/0000-0002-1556-9449</orcidid><orcidid>https://orcid.org/0000-0003-2380-9008</orcidid><orcidid>https://orcid.org/0000-0002-7874-7820</orcidid><orcidid>https://orcid.org/0000-0002-6636-921X</orcidid><orcidid>https://orcid.org/0000-0002-3000-9829</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | The Astrophysical journal, 2021-04, Vol.910 (2), p.111 |
| issn | 0004-637X 1538-4357 |
| language | eng |
| recordid | cdi_proquest_journals_2509009617 |
| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Institute of Physics Open Access Journal Titles; Alma/SFX Local Collection |
| subjects | Astrophysics Binary stars Light curve Mathematical models Orbits Parameters Physical properties Radial velocity Satellite data Satellites Space telescopes Stellar evolution Stellar system evolution |
| title | The Nature of the Eccentric Double-lined Eclipsing Binary System KIC 2306740 with Kepler Space Photometry |
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