2015AJ....150....1H

Query : 2015AJ....150....1H

2015AJ....150....1H - Astron. J., 150, 1 (2015/July-0)

Apsidal motions of 27 binary systems in the Small Magellanic Cloud.

HONG K., KIM S.-L., LEE J.W., LEE C.-U., YUSHCHENKO A.V. and KANG Y.-W.

Abstract (from CDS):

We present the periods of apsidal motion for 27 early-type eclipsing binaries with high eccentricity located in the Small Magellanic Cloud. New times of minima were derived from the light curves constructed by the MACHO, Optical Gravitational Lensing Experiment (OGLE)-II, and OGLE-III survey data. The eclipse timing diagrams of the binary systems were analyzed using those timings and the elements of apsidal motions were obtained in detail for the first time. The apsidal motion periods of all systems were estimated by detailed analysis of both eclipse timings and light curves; a strong correlation value between both methods is shown. We confirm that OGLE-SMC-ECL-2194 shows the shortest known apsidal motion period of 7.1 yr in a detached system with main sequence stars. Nineteen systems show intermediate apsidal motion periods between 10 and 100 yr, and seven systems exhibit long apsidal periods of more than 100 yr.

Abstract Copyright: ∼

Journal keyword(s): binaries: eclipsing - Magellanic Clouds - stars: early-type - stars: fundamental parameters

VizieR on-line data: <Available at CDS (J/AJ/150/1): table1.dat table2.dat table5.dat>

Simbad objects: 30

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Number of rows : 30
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 OGLE SMC126.1 19375 EB* 00 44 39.7402721520 -72 59 58.393993812   16.75 16.91 17.12 17.00 B2 9 0
2 2dFS 5004 EB* 00 45 30.7182188928 -73 03 29.585524104 14.25 15.24 15.16 15.66 15.47 O9V 10 0
3 OGLE SMC102.6 383 EB* 00 47 52.4438600400 -71 52 36.104827440     17.165   17.348 ~ 5 0
4 OGLE SMC100.7 9155 EB* 00 47 52.7278976666 -73 16 33.983233874   17.21 17.23 17.39 17.19 B0 9 0
5 OGLE SMC101.5 5561 EB* 00 48 19.2702525631 -72 21 40.363476453     16.876 16.76 17.027 B3 7 0
6 OGLE J005036.56-732017.8 EB* 00 50 36.63 -73 20 18.5   16.16 15.615   15.677 ~ 5 0
7 MOA J005134.7-724546 EB* 00 51 34.8533012400 -72 45 46.388796552 14.83 15.74 16.00 16.06 16.01 B0+B0/3 17 0
8 OGLE SMC100.2 40910 EB* 00 51 35.8134225741 -73 12 45.260997120   16.97 17.06 17.04 17.09 ~ 15 0
9 OGLE SMC101.2 7331 EB* 00 51 41.8116774312 -72 41 06.167963580   16.50 16.61 16.78 16.70 B3 7 0
10 OGLE J005146.64-725121.3 EB* 00 51 46.6488585768 -72 51 21.719380500   17.14 16.127   16.243 B2.5IV: 9 0
11 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
12 OGLE SMC101.2 14501 EB* 00 52 42.3228691128 -72 41 27.990973216   16.17 16.35 16.57 16.53 B2 12 0
13 OGLE SMC101.2 22313 EB* 00 53 11.6959795553 -72 38 14.130463293   17.45 17.59   17.66 ~ 7 0
14 OGLE SMC108.7 1322 EB* 00 54 15.1142462521 -72 17 02.692998302     18.622   18.722 ~ 5 0
15 OGLE SMC105.6 14748 EB* 00 56 19.4147852388 -72 42 33.509998920   17.40 17.51   17.57 ~ 7 0
16 OGLE SMC108.3 33753 EB* 00 58 35.5971773760 -72 01 36.827275800     18.224   18.291 ~ 5 0
17 OGLE SMC108.2 38025 EB* 00 58 37.2447571992 -72 13 26.367706632   17.64 17.68   17.59 ~ 6 0
18 OGLE SMC108.3 6714 EB* 00 58 57.9391255896 -72 04 56.539156872     17.304   17.499 ~ 5 0
19 OGLE SMC113.8 11775 EB* 01 03 09.32 -72 25 55.0   15.48 15.69   15.89 ~ 6 0
20 OGLE SMC-SC10 37347 EB* 01 03 19.90 -72 02 30.4     17.187   17.382 ~ 4 0
21 OGLE SMC-SC10 39758 EB* 01 03 25.5419012832 -71 59 14.659051992     15.764   15.965 ~ 7 0
22 OGLE SMC113.6 33634 EB* 01 03 55.1292544992 -72 04 27.568786584   16.92 16.94   17.11 ~ 10 0
23 OGLE SMC-SC11 61515 EB* 01 07 12.5404210584 -72 11 42.039098664   14.72 15.102 15.17 15.338 B0 8 0
24 OGLE SMC116.6 902 EB* 01 11 14.8651528483 -73 17 05.599480514     17.609   17.733 ~ 5 0
25 OGLE SMC116.2 263 EB* 01 15 44.0462091552 -73 27 48.750935040     17.280   17.404 ~ 6 0
26 OGLE SMC116.2 6469 EB* 01 17 12.98 -73 23 36.3     16.336   16.504 ~ 4 0
27 OGLE SMC733.11.002316 EB* 01 19 20.9218308168 -73 48 27.603511524     17.527   17.655 ~ 5 0
28 2dFS 3638 EB* 01 23 40.0547947176 -72 56 58.487783640   15.31 15.523   15.760 B0(V) 7 0
29 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
30 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0

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