Hunt for extremely eccentric eclipsing binaries

被引：7

作者：

Zasche, P. ^{[1
]}

Henzl, Z. ^{[2
]}

Masek, M. ^{[2
,3
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, Astron Inst, V Holesovickach 2, Prague 18000 8, Czech Republic

[2] Czech Astron Soc, Variable Star & Exoplanet Sect, Vsetinska 941-78, Valasske Mezirici 75701, Czech Republic

[3] Czech Acad Sci, FZU Inst Phys, Na Slovance 1999-2, Prague 18221, Czech Republic

来源：

ASTRONOMY & ASTROPHYSICS | 2021年 / 652卷

关键词：

binaries: eclipsing; stars: fundamental parameters; SKY AUTOMATED SURVEY; ORBITAL CIRCULARIZATION; MAGELLANIC-CLOUD; VARIABLE-STARS; CATALOG; KEPLER; QUARTER; ORIGIN; TRIPLE; GUIDE;

D O I：

10.1051/0004-6361/202141052

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the very first analysis of 27 eclipsing binary systems with high eccentricities that sometimes reach up to 0.8. The orbital periods for these systems range from 1.4 to 37 days, and the median of the sample is 10.3 days. Star CzeV3392 (= UCAC4 623 022784), for example, currently is the eclipsing system with the highest eccentricity (e = 0.22) of stars with a period shorter than 1.5 days. We analysed the light curves of all 27 systems and obtained the physical parameters of both components, such as relative radii, inclinations, or relative luminosities. The most important parameters appear to be the derived periods and eccentricities. They allow constructing the period-eccentricity diagram. This eccentricity distribution is used to study the tidal circularisation theories. Many systems have detected third-light contributions, which means that the Kozai-Lidov cycles might also be responsible for the high eccentricities in some of the binaries.

引用

页数：6

共 47 条

[1] Machine-learning Regression of Stellar Effective Temperatures in the Second Gaia Data Release [J].

Bai, Yu ;

Lu, JiFeng ;

Bai, ZhongRui ;

Wang, Song ;

Fan, DongWei .

ASTRONOMICAL JOURNAL, 2019, 158 (02)

[2] Spectroscopic and seismic analysis of red giants in eclipsing binaries discovered by Kepler [J].

Benbakoura, M. ;

Gaulme, P. ;

McKeever, J. ;

Sekaran, S. ;

Beck, P. G. ;

Spada, F. ;

Jackiewicz, J. ;

Mathis, S. ;

Mathur, S. ;

Tkachenko, A. ;

Garcia, R. A. .

ASTRONOMY & ASTROPHYSICS, 2021, 648

[3] Kepler Planet-Detection Mission: Introduction and First Results [J].

Borucki, William J. ;

Koch, David ;

Basri, Gibor ;

Batalha, Natalie ;

Brown, Timothy ;

Caldwell, Douglas ;

Caldwell, John ;

Christensen-Dalsgaard, Jorgen ;

Cochran, William D. ;

DeVore, Edna ;

Dunham, Edward W. ;

Dupree, Andrea K. ;

Gautier, Thomas N., III ;

Geary, John C. ;

Gilliland, Ronald ;

Gould, Alan ;

Howell, Steve B. ;

Jenkins, Jon M. ;

Kondo, Yoji ;

Latham, David W. ;

Marcy, Geoffrey W. ;

Meibom, Soren ;

Kjeldsen, Hans ;

Lissauer, Jack J. ;

Monet, David G. ;

Morrison, David ;

Sasselov, Dimitar ;

Tarter, Jill ;

Boss, Alan ;

Brownlee, Don ;

Owen, Toby ;

Buzasi, Derek ;

Charbonneau, David ;

Doyle, Laurance ;

Fortney, Jonathan ;

Ford, Eric B. ;

Holman, Matthew J. ;

Seager, Sara ;

Steffen, Jason H. ;

Welsh, William F. ;

Rowe, Jason ;

Anderson, Howard ;

Buchhave, Lars ;

Ciardi, David ;

Walkowicz, Lucianne ;

Sherry, William ;

Horch, Elliott ;

Isaacson, Howard ;

Everett, Mark E. ;

Fischer, Debra .

SCIENCE, 2010, 327 (5968) :977-980

[4] Gaia Data Release 2. Summary of the contents and survey properties [J].

Brown, A. G. A. ;

Vallenari, A. ;

Prusti, T. ;

de Bruijne, J. H. J. ;

Babusiaux, C. ;

Bailer-Jones, C. A. L. ;

Biermann, M. ;

Evans, D. W. ;

Eyer, L. ;

Jansen, F. ;

Jordi, C. ;

Klioner, S. A. ;

Lammers, U. ;

Lindegren, L. ;

Luri, X. ;

Mignard, F. ;

Panem, C. ;

Pourbaix, D. ;

Randich, S. ;

Sartoretti, P. ;

Siddiqui, H. I. ;

Soubiran, C. ;

van Leeuwen, F. ;

Walton, N. A. ;

Arenou, F. ;

Bastian, U. ;

Cropper, M. ;

Drimmel, R. ;

Katz, D. ;

Lattanzi, M. G. ;

Bakker, J. ;

Cacciari, C. ;

Castaneda, J. ;

Chaoul, L. ;

Cheek, N. ;

De Angeli, F. ;

Fabricius, C. ;

Guerra, R. ;

Holl, B. ;

Masana, E. ;

Messineo, R. ;

Mowlavi, N. ;

Nienartowicz, K. ;

Panuzzo, P. ;

Portell, J. ;

Riello, M. ;

Seabroke, G. M. ;

Tanga, P. ;

Thevenin, F. ;

Gracia-Abril, G. .

ASTRONOMY & ASTROPHYSICS, 2018, 616

[5] A new catalogue of eclipsing binary stars with eccentric orbits [J].

Bulut, I. ;

Demircan, O. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2007, 378 (01) :179-181

[6]

Cardoso J. V. d. M, 2018, ASTROPHYSICS SOURCE

[7] Light-curve solutions for bright detached eclipsing binaries in the Small Magellanic Cloud: absolute dimensions and distance indicators [J].

Graczyk, D .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2003, 342 (04) :1334-1348

[8]

Graczyk D, 2011, ACTA ASTRONOM, V61, P103

[9] The 2001 US Naval Observatory Double Star CD-ROM. II. The Fifth Catalog of Orbits of Visual Binary Stars [J].

Hartkopf, WI ;

Mason, BD ;

Worley, CE .

ASTRONOMICAL JOURNAL, 2001, 122 (06) :3472-3479

[10]

Houk N., 1988, MICHIGAN CATALOGUE 2

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