2006AJ....132.2260H

Query : 2006AJ....132.2260H

2006AJ....132.2260H - Astron. J., 132, 2260-2267 (2006/December-0)

The case for third bodies as the cause of period changes in selected Algol systems.

HOFFMAN D.I., HARRISON T.E., McNAMARA B.J., VESTRAND W.T., HOLTZMAN J.A. and BARKER T.

Abstract (from CDS):

Many eclipsing binary star systems show long-term variations in their orbital periods, evident in their O-C (observed minus calculated period) diagrams. With data from the Robotic Optical Transient Search Experiment (ROTSE-I) compiled in the SkyDOT database, New Mexico State University 1 m data, and recent American Association of Variable Star Observers (AAVSO) data, we revisit Borkovits and Hegedüs's best-case candidates for third-body effects in eclipsing binaries: AB And, TV Cas, XX Cep, and AK Her. We also examine the possibility of a third body orbiting Y Cam. Our new data support their suggestion that a third body is present in all systems except AK Her, as is revealed by the sinusoidal variations of the O-C residuals. Our new data suggest that a third body alone cannot explain the variations seen in the O-C residuals of AK Her. We also provide a table of 143 eclipsing binary systems that have historical AAVSO O-C data with new values computed from the SkyDOT database.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Eclipsing - Stars: Individual: Constellation Name: AB Andromedae - stars: individual (TV Cassiopeiae) - stars: individual (XX Cephei) - stars: individual (AK Herculis) - stars: individual (Y Camelopardalis)

Simbad objects: 148

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Number of rows : 148
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* TW And EB* 00 03 18.2273024112 +32 50 45.105287892   9.48 9.07     F0/2V 136 0
2 V* TV Cas EB* 00 19 18.7425324624 +59 08 20.546623392 7.27 7.29 7.22     B9V 271 0
3 V* UU And EB* 00 43 45.0804672360 +30 56 19.667766984   12.48 11.72 12.145   F5 46 0
4 V* CW Cas EB* 00 45 52.7049284568 +63 05 08.456733852   12.10 11.31 10.522 10.056 G8V 100 0
5 V* OR Cas EB* 00 48 01.3007917224 +60 51 42.141261060   12.15 11.56     F3 42 0
6 V* V364 Cas SB* 00 52 43.0118622456 +50 28 10.109127648   11.13 10.75 10.255   A7 42 0
7 V* MM Cas EB* 00 54 34.9651270632 +54 26 36.374352864   11.88 11.34     ~ 37 0
8 V* OX Cas EB* 01 09 00.0985736544 +61 28 14.847725676 9.71 10.18 9.9     B6+G0 97 0
9 V* RV Psc EB* 01 19 41.0893021992 +31 12 04.978565532   12.28 11.82 11.42   F8(N) 47 0
10 V* V Tri SB* 01 31 47.1028798920 +30 22 01.691606820   11.32 10.96     A3 63 0
11 V* RS Tri EB* 01 34 49.2413073480 +29 35 21.009445944   10.66 10.30 10.31   A5 41 0
12 V* TW Cet EB* 01 48 54.1434789696 -20 53 34.591679268   11.25 10.61 10 9.787 G1V 98 0
13 V* XZ And EB* 01 56 51.5241237096 +42 06 02.181375288   10.16 9.93     A4IV 128 0
14 V* DS And SB* 01 57 46.0564787701 +38 04 28.431446959   10.89 10.52     F5.7 80 0
15 V* KW Per EB* 01 59 59.9832811416 +53 13 24.894262524   10.60 10.31     A2 46 0
16 V* X Tri EB* 02 00 33.7371929520 +27 53 19.206276360   9.30 9.00 8.50   A7V 225 0
17 V* SS Ari EB* 02 04 18.4072364136 +24 00 02.294819532   11.00 10.15 9.991 9.644 G0 113 0
18 HD 13078 EB* 02 09 03.4212807096 +40 47 39.167158668   9.41 8.98     F2Vv 133 0
19 V* RV Tri EB* 02 13 18.1533826584 +37 01 01.416425268   11.64 11.21     A2:(N) 49 0
20 V* AB Cas EB* 02 37 31.5117717168 +71 18 16.272987552   10.59 10.32     A3 158 0
21 V* Z Per EB* 02 40 03.2333723952 +42 11 57.693911676   10.25 10.06     A0 57 0
22 HD 18541 EB* 03 00 05.7099353256 +39 11 24.909338004   9.83 9.61 9.62   A3V+K1-2IV 133 0
23 V* RT Per EB* 03 23 40.3991164752 +46 34 35.840479296   11.22 10.73     F5+G0 163 0
24 V* EQ Tau EB* 03 48 13.4355167856 +22 18 50.924168856   12.04 11.18 10.082 9.706 G2V 122 0
25 V* XZ Per EB* 04 09 27.6415548936 +46 34 00.589721736   11.58 10.99     G1(N) 50 0
26 V* RV Per EB* 04 10 37.9979509560 +34 15 54.880096176   11.33 10.90     A2 49 0
27 V* TZ Eri EB* 04 21 40.3305335016 -06 01 09.200626176   9.97 9.61     A5 64 0
28 V* AC Tau EB* 04 37 06.3570050712 +01 41 31.156197792   11.51 11.09     A8 37 0
29 V* ET Ori EB* 04 55 34.3333831824 +01 22 49.564728408   11.49 10.74     G3(N) 38 0
30 V* EQ Ori EB* 04 57 14.4651798096 -03 36 04.657055976   10.61 10.47     A0 41 0
31 V* Z Lep EB* 05 10 09.3 -14 52 18           F0 16 0
32 V* HP Aur EB* 05 10 21.7819906416 +35 47 46.620438936   11.85 11.17     G0 91 2
33 V* ER Ori SB* 05 11 14.5056264672 -08 33 24.613510680   10.02 9.46 8.927 8.604 F7/8V 183 0
34 V* RR Lep SB* 05 12 10.5143046096 -13 11 58.577001432   10.29 10.14     A4III 48 0
35 V* WY Tau EB* 05 56 26.124864 +26 18 40.15908   11.601 11.352 10.999 10.824 A 31 0
36 V* CT Tau EB* 05 58 50.1130979232 +27 04 41.923228944   10.77 10.34 10.232 10.112 B5 61 0
37 V* RW Gem EB* 06 01 28.0583295504 +23 08 27.520477836   9.89 9.79     B6V 102 0
38 V* GU Ori EB* 06 10 04.6208011200 +12 49 46.642774836           ~ 46 0
39 V* EP Aur EB* 06 11 32.1146448144 +31 28 52.527257400   11.43 11.13     F8 34 0
40 V* SV Cam EB* 06 41 19.0827100176 +82 16 02.435351448       9.0   G2IV-V 360 0
41 V* AF Gem EB* 06 50 39.6479070264 +21 21 55.962376056   11.05 10.82 10.64   A0 60 0
42 V* RU Mon EB* 06 54 12.3144510432 -07 35 45.031651440   10.64 10.51     B9pv 106 1
43 V* EP Mon EB* 06 56 33.4259742792 -05 21 10.326922596   10.90 10.73     A3 23 0
44 V* AL Gem EB* 06 57 38.5620728448 +20 53 32.300087640   10.30 9.89     F6V 62 0
45 V* UU CMa EB* 06 58 41.4546820200 -18 48 48.191264784   11.32 11.15     ~ 14 0
46 V* AT Mon SB* 07 24 29.9234623368 -07 33 30.231030600   10.99 10.55     F2 25 0
47 V* AK CMi EB* 07 40 15.5947357968 +03 57 09.429480828   10.97 10.73     A-F 56 0
48 V* Y Cam EB* 07 41 11.0049122280 +76 04 26.089274892   10.93 10.60     A9IV+K1IV 165 0
49 V* UZ Pup SB* 07 41 46.1146336656 -13 23 37.831575444   9.96 9.54     A5/7+A5/7 46 0
50 V* XZ CMi EB* 07 54 07.0681137528 +03 39 20.339693028   10.60 10.25 10.07   F0(N) 63 0
51 V* WY Hya EB* 08 14 10.9391593680 +00 29 43.560831408   11.22 10.61     A5/7 37 0
52 V* DF Hya SB* 08 55 02.2431702408 +06 05 37.584542040   11.45 10.80 10.621 10.27 G0 64 0
53 V* RY Lyn EB* 08 55 13.5496153392 +46 27 43.089889536   12.12 11.51     ~ 25 0
54 V* VZ Leo EB* 09 26 50.6711138592 +16 36 02.696726736   11.85 11.56     A5(N) 47 0
55 V* XZ UMa EB* 09 31 24.6451319880 +49 28 04.412923824   10.68 10.48     A5(N) 56 0
56 V* AV Hya EB* 09 35 02.5455460296 +05 19 24.033656460   11.31 10.96 10.83   A1 59 0
57 V* Y Leo EB* 09 36 51.8061174072 +26 13 57.634814352   10.31 10.07     A3 129 0
58 V* VV UMa EB* 09 38 06.7191516888 +56 01 07.288559904   10.42 10.28 10.135   A2V 137 0
59 V* DK Hya EB* 09 44 52.9511388312 -20 54 12.546735552   11.41 10.74     ~ 14 0
60 V* UU Leo EB* 09 47 49.6956778944 +12 59 02.532480756   11.88 11.75     A2 42 0
61 V* ZZ UMa SB* 10 30 03.1946894976 +61 48 41.430038256   10.43 9.83     F8 76 0
62 V* V Crt EB* 11 24 13.4289361440 -16 40 22.684254312   10.76 10.26     A6 40 0
63 V* AL Cam EB* 11 40 24.6931195464 +80 14 09.527599896   10.54 10.31     A2 51 0
64 V* Z Dra EB* 11 45 29.2091494248 +72 14 58.328231100   11.11 10.67     A5V 149 0
65 V* W Crv EB* 12 07 34.3580942256 -13 08 59.009877636   11.95 11.28 10.67 10.214 ~ 75 0
66 V* CC Com EB* 12 12 06.0378799056 +22 31 58.682832024   13.09 11.42 10.543 10.085 K4/5V 214 0
67 HD 106400 EB* 12 14 20.99618 +11 49 09.3870   9.94 9.22 9.37 8.390 G8V 225 0
68 V* RZ Com EB* 12 35 05.0595351864 +23 20 14.027775864   11.09 10.57 10.082 9.77 G0Vn 192 0
69 V* RV Crv EB* 12 37 40.7090159904 -19 34 40.005238440   9.13 8.76     F0V 71 0
70 V* UX UMa CV* 13 36 40.9531256400 +51 54 49.423353228   12.78 13.26     sdOB 528 0
71 V* RU UMi EB* 13 38 56.8153208448 +69 48 11.170156536   10.39 10.040 10.063 9.873 A2 92 0
72 V* AZ Vir SB* 13 43 25.6530290784 +04 36 57.058190100   11.54 11.05 10.4 10.075 F8 44 0
73 V* BH Vir RS* 13 58 24.8603543280 -01 39 38.954265912   10.29 9.68   9.047 F6/8V 202 0
74 V* TU Boo EB* 14 04 58.0474207248 +30 00 01.588156992   12.22 11.61 11.422 11.063 G3 76 0
75 V* VV Vir EB* 14 05 25.2326702952 -10 09 22.406200848   12.23 11.80     ~ 25 0
76 V* VW Boo EB* 14 17 26.0324550672 +12 34 03.446878260   11.33 10.55 10.054 9.777 G5V 113 0
77 V* AD Boo EB* 14 35 12.7797940752 +24 38 21.323757120   9.95 9.44     G0 68 0
78 V* TY Boo EB* 15 00 46.9394379816 +35 07 54.742318356   12.03 11.39 10.398 10.006 G3+G7 134 0
79 V* TZ Boo EB* 15 08 09.1351483800 +39 58 12.863284788   11.033 10.41 10.04 9.671 G2Vn 211 0
80 V* SS Lib EB* 15 49 05.0595483120 -15 32 08.705151528   10.87 10.47     A8/9II 50 0
81 V* AO Ser EB* 15 58 18.4101771888 +17 16 10.004828340   11.26 11.04     A2 59 0
82 V* CC Her EB* 16 17 38.8930880064 +08 56 02.610991608   10.17 10.03 10.062   ~ 50 0
83 V* SX Oph EB* 16 17 55.4908922136 -06 39 52.070329548   11.52 10.82 10.39 10.018 ~ 17 0
84 V* CT Her EB* 16 20 26.5687602912 +18 27 16.873078140   11.50 11.32 11.31   A3V 48 0
85 V* TU Her EB* 17 13 35.3658300768 +30 42 36.042435936   11.24 10.792 10.877   A5 72 0
86 V* AK Her EB* 17 13 57.8236051704 +16 21 00.618202044   9.04 8.51   7.874 F4V 261 0
87 V* SZ Her EB* 17 39 36.8073473112 +32 56 46.752040536   10.40 10.05 10.213   F0Vv 127 0
88 V* UX Her EB* 17 54 07.8540534048 +16 56 37.843868652   9.12 8.97     A0V 122 0
89 V* RZ Dra EB* 18 23 05.4104247024 +58 54 12.825013248   10.55 10.31 10.329 10.169 A6V 131 0
90 V* KP Aql SB* 19 02 29.9459260320 +15 48 01.091088324   9.81 9.39     A3 59 0
91 V* BH Dra SB* 19 03 39.5419708392 +57 27 25.861535388   8.47 8.43     A1Vn 75 0
92 V* UZ Lyr EB* 19 21 08.9072760024 +37 56 11.464745136   10.41 10.40   10.154 A0IVn 95 0
93 V* UZ Dra SB* 19 25 55.0536530088 +68 56 07.157952492   10.08 9.60     F8 72 0
94 V* BS Vul SB* 19 37 26.5102855584 +21 55 50.329698708   10.46 10.08     F2 49 0
95 V* BR Cyg EB* 19 40 54.7407474168 +46 47 05.616938760   10.03 9.98   9.846 B9.5III 98 0
96 V* OO Aql SB* 19 48 12.6525764880 +09 18 32.374957356   10.26 9.49 8.773 8.762 F9V 229 1
97 V* V466 Cyg SB* 19 54 33.4597536504 +33 00 05.396882652   11.01 10.61     F0 38 0
98 V* BO Vul EB* 19 56 29.0712988920 +23 54 45.013772268   10.45 10.12     F0 40 0
99 V* WW Cyg EB* 20 04 02.7108881088 +41 35 16.462624380   10.163 10.10   9.875 B8k:+G? 113 0
100 V* KR Cyg EB* 20 09 05.5961217048 +30 33 01.376083584   9.50 9.34     A0 84 0
101 HD 191515 EB* 20 09 59.5682755848 +10 20 59.013900096   9.14 9.14     A0V 97 0
102 V* EG Cep SB* 20 15 56.8237797480 +76 48 35.766394524   9.75 9.49 9.505 9.349 A7V 126 0
103 V* RW Cap EB* 20 17 56.0707357128 -17 40 23.373174216   10.56 10.30     A1III/IV 36 0
104 V* XZ Aql EB* 20 22 13.3574057544 -07 21 03.452139180   10.43 10.18     A2/3II/III 50 0
105 V* BT Vul EB* 20 23 04.9348874064 +27 28 39.000537192   12.00 11.69     F2 27 0
106 V* ZZ Cyg EB* 20 23 52.9068755568 +46 55 14.535719688   11.56 10.98     F7: 99 0
107 V* BE Vul EB* 20 25 33.6370524840 +27 22 09.102675540   9.92 9.79     A0 57 0
108 V* CD Vul EB* 20 25 34.3391917680 +26 28 05.872314972   11.84 11.77     F2V 28 0
109 V* V456 Cyg SB* 20 28 50.8468852872 +39 09 13.744831572   11.16 10.85     A2hA7mA4V+F3V 66 0
110 V* AW Vul EB* 20 29 01.6701683448 +24 48 27.703140264   11.62 11.40     F0 50 0
111 V* V388 Cyg SB* 20 29 12.8831999088 +31 23 11.995096848   9.82 9.59     A0 57 0
112 V* YY Del EB* 20 30 00.8430875016 +14 03 09.426765276   11.42 11.16     A3 40 0
113 V* AY Vul EB* 20 35 38.8869710976 +22 37 27.075517752   11.90 11.52     F0 28 0
114 V* TT Del EB* 20 36 02.3473429104 +08 27 03.128489424   11.82 11.58 11.46   A1 32 0
115 V* BU Vul EB* 20 46 18.8674235016 +28 15 44.370963072   10.89 10.28     G1.5V 56 0
116 V* FZ Del SB* 20 53 32.5033271400 +04 38 49.549894584   10.45 10.351 10.049   F0 45 0
117 BD+34 4217A SB* 20 58 13.4532832453 +35 10 29.672620146   10.95 10.109     ~ 265 0
118 BD+34 4217 ** 20 58 13.4533595470 +35 10 29.664154462     10.13     G9.5Ve+K3Ve 262 0
119 V* TY Del EB* 21 04 21.9803755296 +13 12 53.556453540   10.27 10.08 10.144   A0 53 0
120 V* AE Cyg EB* 21 13 14.3174147472 +30 44 27.372845508   11.79 11.37     A5 30 0
121 V* V387 Cyg SB* 21 15 37.3602301488 +37 29 51.594039996   11.58 11.19     G5(N) 38 0
122 V* V704 Cyg EB* 21 28 12.8314401408 +45 37 38.803855512   13.73 12.98 13.39   ~ 32 0
123 V* DK Cyg EB* 21 35 02.6693386896 +34 35 45.395481192   10.98 10.56 10.154 9.914 A6V 143 0
124 V* SU Cep EB* 21 46 40.6231751568 +57 17 36.671732952   10.18 9.97     B8 45 0
125 V* DK Cep EB* 21 58 34.1875672968 +60 57 01.796850396   12.32 11.93     ~ 34 0
126 V* CM Lac SB* 22 00 04.4501141616 +44 33 07.736337396   8.40 8.21     A3m 163 0
127 V* DL Cep EB* 22 00 25.1993181360 +59 41 30.319243512   12.50 12.14     OB-e: 24 0
128 V* BB Peg EB* 22 22 56.8915406208 +16 19 27.861694716   11.69 11.17     F8V 115 0
129 V* CX Aqr EB* 22 35 43.9176048048 -00 41 32.749527696   11.0       F2pv 75 0
130 V* VX Lac SB* 22 41 00.5641885776 +38 19 20.001763308   10.87 10.51     F0(N) 61 0
131 HD 215661 ** 22 45 02.61048 +68 07 58.3879           ~ 97 0
132 HD 215661A SB* 22 45 02.6139104544 +68 07 58.468055556   9.29 9.05 9.12   B7+F0V 95 1
133 V* SW Lac EB* 22 53 41.6540031672 +37 56 18.607477416   9.65 8.51     K0Vv 365 0
134 BD+30 4877 HS* 23 06 45.2926434768 +30 55 22.225125828   10.37 10.48     sdB 31 0
135 V* IR Cas EB* 23 06 52.3743963864 +54 04 52.229839764   11.75 11.14     F4: 59 0
136 V* BD And EB* 23 07 05.1696013728 +50 57 30.960842148   11.52 10.84     F8(N) 36 0
137 V* RT And RS* 23 11 10.0984058784 +53 01 33.031339248   9.58 9.043 8.73   F8V+G0-K1-3V 370 0
138 V* AB And EB* 23 11 32.0859315024 +36 53 35.108950344   10.62 9.50 9.009 8.585 G5+G5V 267 0
139 V* CZ Aqr EB* 23 22 20.5860643632 -15 56 20.487620652   11.2 11.1     A5 45 0
140 V* WZ Cep EB* 23 22 24.1931441496 +72 54 56.834312652   11.97 11.48 11.024 10.638 F5 70 0
141 V* TY Peg EB* 23 29 57.0323200728 +13 32 31.487529012   10.46 10.21     F0V 61 0
142 V* Y Psc EB* 23 34 25.3846714008 +07 55 28.524147636   9.62 9.40     A3V+K0 107 0
143 V* AD And EB* 23 36 45.0065621496 +48 40 15.574626768   11.34 11.14     A0V 60 0
144 V* XX Cep SB* 23 38 20.2850614704 +64 20 02.699063196   9.47 9.18     A7V 161 0
145 V* DZ Cas EB* 23 39 49.9230107634 +55 52 55.795541270           ~ 38 0
146 UCAC4 730-102887 ** 23 39 49.935192 +55 52 55.79400   12.517 12.089 11.809   A9 37 0
147 V* IV Cas EB* 23 49 31.5277569240 +53 08 04.646488848   11.61 11.34     A2 47 0
148 V* U Peg EB* 23 57 58.4766636672 +15 57 10.087001640   10.26 9.63 8.871 8.970 G2V 247 0

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