2021AJ....162...13L

Query : 2021AJ....162...13L

2021AJ....162...13L - Astron. J., 162, 13-13 (2021/July-0)

Photometric study and absolute parameter estimation of six totally eclipsing contact binaries.

LI K., XIA Q.-Q., KIM C.-H., GAO X., HU S.-M., GUO D.-F., GAO D.-Y., CHEN X. and GUO Y.-N.

Abstract (from CDS):

High precision CCD observations of six totally eclipsing contact binaries were presented and analyzed. It is found that only one target is an A-type contact binary (V429 Cam), while the others are W-type contact ones. By analyzing the times of light minima, we discovered that two of them exhibit secular period increase while three manifest long-term period decrease. For V1033 Her, a cyclic variation superimposed on the long-term increase was discovered. By comparing the Gaia distances with those calculated by the absolute parameters of 173 contact binaries, we found that the Gaia distance can be applied to estimate the absolute parameters for most contact binaries. The absolute parameters of our six targets were estimated using their Gaia distances. The evolutionary status of contact binaries was studied, and we found that the A- and W-subtype contact binaries may have different formation channels. The relationship between the spectroscopic and photometric mass ratios for 101 contact binaries was presented. It was discovered that the photometric mass ratios are in good agreement with the spectroscopic ones for almost all of the totally eclipsing systems, which is corresponding to the results derived by Pribulla et al. and Terrell & Wilson.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Close binary stars - Eclipsing binary stars - Stellar evolution - Fundamental parameters of stars

VizieR on-line data: <Available at CDS (J/AJ/162/13): table1.dat table7.dat table9.dat refs7.dat refs9.dat>

Simbad objects: 194

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Number of rows : 194
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 V* AQ Tuc SB* 00 17 21.5137561416 -71 54 56.847230100   10.44 10.12     F3/5(+A) 85 0
2 V* CN And SB* 00 20 30.5419967784 +40 13 33.806776620   10.24 9.706 9.423 9.145 F5V 132 0
3 V* BH Cas EB* 00 21 21.3765836256 +59 09 05.416013484   13.26 12.77     K4V 61 0
4 1RXS J002827.8+785750 EB* 00 28 27.9684836736 +78 57 42.657327180   11.23 10.60 10.204 9.854 ~ 15 0
5 V* DZ Psc SB* 00 36 27.9388593960 +21 32 14.535908016   11.64 11.08 10.554 10.255 F7V 73 0
6 V* V523 Cas SB* 00 40 06.2679105096 +50 14 15.518292216   11.698 10.62 9.969 9.388 K4V 174 0
7 V* AD Phe SB* 01 16 38.0703906768 -39 42 31.330964628   11.06 10.47     F9/G0V 55 0
8 V* AQ Psc SB* 01 21 03.5556667632 +07 36 21.617815572   9.20 8.69   8.053 F5/8V 83 0
9 V* AE Phe SB* 01 32 32.9320741344 -49 31 41.289934908   8.75 8.15     G4V 135 0
10 V* TT Cet SB* 01 46 56.5031484504 -09 45 09.755949384   11.35 10.91     F4V 54 0
11 V* TW Cet SB* 01 48 54.1434789696 -20 53 34.591679268   11.25 10.61 10 9.787 G1V 105 0
12 V* V546 And EB* 01 51 12.5658357120 +43 49 07.713275052   11.92 11.23 10.796 10.411 ~ 20 0
13 V* V776 Cas SB* 01 53 23.4353019768 +70 02 33.441869868   9.47 9.03     F0 83 0
14 V* QX And SB* 01 57 57.7816919821 +37 48 22.453231805   11.736 11.25 11.23 10.68 F5 126 0
15 V* SS Ari EB* 02 04 18.4072364136 +24 00 02.294819532   11.00 10.15 9.991 9.644 G0 121 0
16 HD 13078 EB* 02 09 03.4212807096 +40 47 39.167158668   9.41 8.98     F2Vv 137 0
17 V* BO Ari EB* 02 12 08.7727135704 +27 08 18.231145548   10.55 10.02 9.73 9.256 F5 40 0
18 V* GZ And SB* 02 12 14.0689443192 +44 39 36.208111572   12.23 11.10     G5V 83 0
19 V* V376 And SB* 02 35 11.6313752232 +49 51 37.210388004   8.02 7.77     A4V 64 0
20 V* DY Cet SB* 02 38 33.1803231456 -14 17 56.721878736   10.02 9.59 9.25 9.521 F5V 59 0
21 V* CN Hyi EB* 02 45 36.9659555880 -71 14 09.447349020   7.12 6.66     F6V 56 0
22 HD 17613B SB* 02 49 52.2905822256 +08 56 17.240792568   10.12 8.821 9.44 8.138 F8V 47 0
23 V* SZ Hor SB* 03 07 01.2310081560 -56 08 04.460490672   11.62 11.21     F3V 32 0
24 V* UX Eri SB* 03 09 52.7437496400 -06 53 33.511004988   11.61 10.97 10.128 9.8 F9V 109 0
25 BD+42 765 SB* 03 26 38.8825096008 +42 43 24.783925404   10.49 9.87     G0 19 0
26 BD+17 579A SB* 03 34 58.5443892288 +17 42 38.054792700   11.07 10.14 9.65 8.940 G0V 35 0
27 1RXS J034500.5+493710 EB* 03 45 01.2496440792 +49 36 59.868559296   10.08 9.61     F5 16 0
28 V* EQ Tau SB* 03 48 13.4355167856 +22 18 50.924168856   12.04 11.18 10.082 9.706 G2V 129 0
29 BD+12 511 SB* 03 49 27.7666168464 +12 54 43.844508468   10.30 9.64     F8V 80 1
30 V* BV Eri SB* 03 51 53.3421308952 -10 31 49.473027048   8.69       F2V 70 0
31 V* BL Eri EB* 04 11 48.2079199440 -11 47 26.689526772   12.135 11.335 11.443 10.747 B5 45 0
32 V* YY Eri SB* 04 12 08.8493445840 -10 28 09.993826452   9.08 8.41   7.673 G3V 226 0
33 V* AO Cam SB* 04 28 13.6471014456 +53 02 44.463885216   11.23 10.51 9.071 8.674 G0V 105 0
34 V* CT Eri SB* 04 29 24.7946060640 -33 34 34.341876516   10.70 10.28     F2/3V 48 0
35 V* RZ Tau SB* 04 36 37.6613713272 +18 45 17.792668224   10.79 10.19 9.706 9.318 F5 157 0
36 V* DN Cam SB* 04 42 46.2425712000 +72 58 41.875923000   8.68 8.34     F0 73 0
37 V* V592 Per SB* 04 44 32.9934610464 +39 52 31.750044528   8.86 8.36     F2 58 0
38 HD 280332A SB* 05 01 10.8328702632 +34 30 26.555760288   10.94 10.34     ~ 110 0
39 HD 280332 ** 05 01 10.83934 +34 30 26.5819   10.901 10.215 10.047 9.305 G0 97 0
40 V* V402 Aur SB* 05 02 14.7412938168 +31 15 49.292827020 9.480 9.350 8.910     F0 67 0
41 V* V1363 Ori SB* 05 07 02.1118142112 -00 47 32.640722124   10.849 10.30 9.996 9.686 F5 48 0
42 V* ER Ori SB* 05 11 14.5056264672 -08 33 24.613510680   10.02 9.46 8.927 8.604 F7/8V 187 0
43 V* RW Dor SB* 05 18 32.5451452896 -68 13 32.777997600   11.85 11.16 8.66 10.111 G4/5V 100 0
44 V* V781 Tau SB* 05 50 13.1257163376 +26 57 43.360879140   9.28 8.67   7.976 G0 119 0
45 2MASS J06113077+7628316 * 06 11 30.77568 +76 28 31.6164           ~ 1 0
46 V* V429 Cam EB* 06 13 06.6141987192 +76 29 48.964619256           ~ 9 0
47 2MASS J06141310+7632578 * 06 14 13.10160 +76 32 57.8976           ~ 1 0
48 V* AH Aur SB* 06 26 04.9301455152 +27 59 56.448934440   10.84 10.24 9.846 9.532 F7V 93 0
49 V* GU Mon EB* 06 44 46.8606278616 +00 13 18.297261156   11.91 11.57 11.65   B2III 50 0
50 V* QW Gem SB* 06 50 46.0629271056 +29 27 11.324080584   11.30 10.78 9.887 9.441 G0 60 0
51 V* V473 Cam EB* 07 17 04.9241767752 +77 10 25.993960500   12.288 11.536 11.098 10.688 ~ 15 0
52 TYC 4530-1058-1 * 07 17 11.2153982184 +77 12 38.440565712   12.81 11.82     ~ 1 0
53 TYC 4530-958-1 PM* 07 18 09.2847338088 +77 14 22.943542704   11.77 10.95     ~ 2 0
54 V* TY Pup SB* 07 32 46.2312711840 -20 47 31.079711112   8.99 8.60     F3V 99 0
55 V* HI Pup SB* 07 33 38.2095776520 -50 07 25.045244220   11.09 10.54     F6V 42 0
56 HD 60987A Pu* 07 38 30.2249452896 +33 42 41.503274640   8.41 8.03 8.70   F0 90 1
57 V* V868 Mon SB* 07 39 04.8243387120 -02 39 05.592006360   9.53 9.31     F2V 24 0
58 V* FG Hya SB* 08 27 03.9412969584 +03 30 52.329583548   10.62 10.04 9.544 9.401 G0 213 0
59 V* TX Cnc SB* 08 40 01.7039106928 +18 59 59.421095623   10.71 9.97 9.88 9.339 G0-G1V 254 0
60 V* GW Cnc EB* 08 48 12.6907555608 +21 07 13.798241364     12.77 12.557   ~ 33 0
61 V* UV Lyn SB* 09 03 24.1259135160 +38 05 54.597192072   10.23 9.56 9.052 8.738 G3V 119 0
62 V* V505 Cam EB* 09 08 49.0933710864 +82 46 05.885747976   14.64 14.00 14.21   ~ 4 0
63 TYC 4631-279-1 * 09 10 22.5928210464 +82 46 20.823583692   11.97 11.46     ~ 1 0
64 2MASS J09103994+8248219 * 09 10 39.94056 +82 48 21.9024           ~ 1 0
65 V* FN Cam SB* 09 22 58.0455268704 +77 13 10.955537472   9.03 8.64     F2 58 0
66 V* EZ Hya SB* 09 26 41.0604555912 -13 45 06.403376232   11.39 10.56 10.022 9.842 G2 68 0
67 V* W UMa SB* 09 43 45.4704536952 +55 57 09.061630668   8.54 7.75     G2Vn 686 0
68 V* AA UMa SB* 09 46 59.2849171056 +45 45 56.388568680   11.527 11.71 10.516 10.185 G0 89 0
69 V* RT LMi SB* 09 49 48.3190999536 +34 27 15.423647004   12.11 11.35 11.084 10.781 F7V 79 0
70 V* XY Leo ** 10 01 40.4170488672 +17 24 32.602180644   10.66 9.68 8.855 8.474 K0V 287 0
71 V* XZ Leo SB* 10 02 34.1959390656 +17 02 47.140374840   10.79 10.37 10.385 10.173 A8/F0V 108 0
72 V* Y Sex SB* 10 02 47.9625666528 +01 05 40.327404108   10.38 9.95 9.875 8.471 F3/5V 122 0
73 V* XX Sex SB* 10 16 02.1465461976 -06 18 26.363524824   9.82 9.47     F2V 29 0
74 V* ET Leo SB* 10 33 25.7877702072 +17 34 27.433589232   10.21 9.558 9.128 8.734 G5 69 0
75 V* UZ Leo SB* 10 40 33.1849763352 +13 34 00.854970636   10.13 9.75 9.357 9.14 A9/F1V 146 0
76 V* EX Leo SB* 10 45 06.7719534456 +16 20 15.677118528   8.73 8.242   7.633 F5 71 0
77 V* VY Sex SB* 10 50 29.7198219744 -02 41 43.074331944   9.60 9.01 8.639 8.349 G2V 52 0
78 V* AM Leo SB* 11 02 10.8846331272 +09 53 42.657520560   9.86 9.33 8.895 8.417 F5V 200 0
79 HD 95660 SB* 11 02 51.9104777040 +30 24 54.702250596   8.43 8.06     F5V 99 1
80 V* HH UMa dS* 11 04 48.1519686576 +35 36 26.616520008   10.92 10.39 10.283 10.006 F8 57 0
81 V* AP Leo SB* 11 05 05.0213426040 +05 09 06.404796468   10.07 9.57 8.971 8.849 F8V 130 0
82 V* HN UMa SB* 11 15 56.3765228400 +37 38 35.303807328   10.33 9.83 9.574 9.29 F8 51 0
83 2MASS J11270918+7939280 * 11 27 09.18144 +79 39 28.0476           ~ 1 0
84 V* V514 Cam EB* 11 28 30.1658692632 +79 38 56.080893804   12.2 12.328     ~ 11 0
85 2MASS J11294968+7941514 * 11 29 49.68312 +79 41 51.4464           ~ 1 0
86 V* TV Mus EB* 11 39 57.7633052952 -64 48 59.229170568   11.48 10.75   9.712 F2 76 0
87 V* V752 Cen SB* 11 42 48.0813368784 -35 48 57.505663584   9.88 9.30 9.697   F7/G0(V) 88 0
88 V* SV Cen SB* 11 47 57.2198787264 -60 33 57.760436736 7.98 9.71 9.70 9.46 8.810 B1/3 154 0
89 HD 103576 * 11 55 38.0372183472 +47 15 26.635878216   8.92 8.65     A3 50 0
90 V* AG Vir SB* 12 01 03.5040338736 +13 00 30.005824428   8.78 8.52     A5V 173 0
91 V* HX UMa SB* 12 01 33.1466121144 +43 02 29.936180976   9.31 8.88     F6II 55 0
92 V* TY UMa EB* 12 09 02.4999248256 +56 01 53.953604256   12.42 11.59 11.121 10.797 G1 93 0
93 V* CC Com SB* 12 12 06.0378799056 +22 31 58.682832024   13.09 11.42 10.543 10.085 K4/5V 228 0
94 HD 106400 SB* 12 14 20.9962522128 +11 49 09.387358680   10.05 9.318 9.37 8.390 G8V 232 0
95 ASAS J122119-1359.9 EB* 12 21 18.7210168488 -13 59 53.049001164   11.491 11.010 10.878 10.595 ~ 18 0
96 HD 109247A SB* 12 32 54.8408806014 +54 47 42.890631058   8.87 8.47     ~ 62 0
97 HD 109247 ** 12 32 54.8409728193 +54 47 42.894308034   9.34 8.70 8.72   F2 63 0
98 V* RW Com SB* 12 33 00.2840199504 +26 42 58.361790816   12.33 11.682 10.929 9.977 G8e 169 0
99 V* RZ Com SB* 12 35 05.0595351864 +23 20 14.027775864   11.09 10.57 10.082 9.77 G0Vn 202 0
100 V* SX Crv SB* 12 40 15.0427768512 -18 48 00.941011128   9.56 9.108 8.719 8.412 F7V 106 0
101 V* BI CVn SB* 13 03 16.4093237568 +36 37 00.640627644   10.99 10.31 9.908 9.593 F9V 102 0
102 V* PY Vir SB* 13 10 32.2185100968 -04 09 32.522950584   10.67 9.84 9.844 8.867 K2V 50 0
103 V* KR Com SB* 13 20 15.7816557360 +17 45 56.815749180   7.72 7.207   6.604 F5 101 1
104 V* V606 Cen SB* 13 21 36.2793645408 -60 31 14.749471344   9.82 9.66 9.78   B1/2Ib/II 62 0
105 HD 119931A EB* 13 46 06.7580872776 +05 06 56.197473948   8.44 7.82     F8V 177 0
106 V* XY Boo SB* 13 49 11.5666861776 +20 11 24.590393088   10.71 10.54 9.994 9.698 F5V 154 0
107 V* DN Boo EB* 13 51 42.0429638472 +14 18 05.946653340   11.78 11.34     G0 37 0
108 HD 120734 SB* 13 51 55.7388492384 -36 37 24.836269800   9.13 8.54   7.771 G0V+G0V 87 0
109 V* CX Vir EB* 14 09 27.4454011176 -15 34 53.833386792   10.94 10.42 9.509 9.215 F5V 41 0
110 V* RR Cen SB* 14 16 57.2208600552 -57 51 15.656888844 7.70 7.65 7.29     A9/F0V 160 0
111 V* VW Boo SB* 14 17 26.0324550672 +12 34 03.446878260   11.33 10.55 10.054 9.777 G5V 117 0
112 V* NN Vir SB* 14 19 37.7406264312 +05 53 46.639260024   8.02 7.63     F0/1V 78 0
113 V* HH Boo SB* 14 21 44.0736504336 +46 41 59.356694508   11.80 11.021 10.869 10.237 G5III 38 0
114 V* DU Boo SB* 14 22 17.7169434816 +41 27 02.152077336   8.97 8.69     A7V 58 0
115 V* EF Boo SB* 14 32 30.5385584160 +50 49 40.686842280 9.960 9.950 9.450 9.14 8.817 G5 85 0
116 V* CK Boo SB* 14 35 03.7596377832 +09 06 49.373523360   9.61 9.029 8.683 8.414 F7/8V 150 0
117 V* GR Vir SB* 14 45 20.2632619872 -06 44 04.131471300   8.54 8.00   7.34 G2/3V 151 0
118 V* EL Boo SB* 14 48 03.3989774376 +13 56 41.139781476   9.85 9.37     F5V 34 0
119 V* AC Boo EB* 14 56 28.3364345040 +46 21 44.069135868   10.74 10.23 9.641 9.296 F8Vn 137 0
120 V* FT Lup SB* 14 59 52.6999478616 -42 58 59.102940900   10.27 9.82     F0V 67 0
121 V* TY Boo EB* 15 00 46.9394379816 +35 07 54.742318356   12.03 11.39 10.398 10.006 G3+G7 139 0
122 * i Boo ** 15 03 47.29565 +47 39 14.6228           G0Vn 565 1
123 V* TZ Boo SB* 15 08 09.1351483800 +39 58 12.863284788   11.033 10.41 10.04 9.671 G2Vn 221 0
124 V* BW Dra SB* 15 11 50.0991906240 +61 51 41.228357940   9.39   8.3   B0 138 0
125 V* BV Dra SB* 15 11 50.3592224256 +61 51 25.281751464   8.54   7.7   F9V+F8V 162 2
126 V* FI Boo SB* 15 22 05.9658394344 +51 10 55.308179280   10.16 9.49 9.196 8.832 G5 68 0
127 V* OU Ser SB* 15 22 43.4747590291 +16 15 40.733742473   8.84 8.266 7.8 7.494 G1 99 0
128 V* VZ Lib SB* 15 31 51.7540131648 -15 41 10.170484188   11.04 10.27 9.742 9.356 G0V 70 0
129 V* FU Dra SB* 15 34 45.2133432432 +62 16 44.333175900   11.16 10.55 10.182 9.817 G0: 145 1
130 V* FP Boo SB* 15 43 00.2512236000 +43 15 55.315194516   10.53 10.14     A7III 67 0
131 V* YY CrB SB* 15 50 32.4342127104 +37 50 07.554679692   9.28 8.69     F8 114 0
132 V* AU Ser SB* 15 56 49.4686990368 +22 16 01.590650328   11.76 11.04 10.383 9.931 G4V 111 0
133 V* AR CrB EB* 15 59 18.5818337448 +27 52 15.029821092   11.662 11.00 11.135 10.255 ~ 30 1
134 V* V842 Her SB* 16 06 02.2124477136 +50 11 13.104375288   10.523 9.979 9.488 9.163 G2 89 0
135 V* BX Dra SB* 16 06 17.3670263496 +62 45 46.089820800   11.00 10.62     kA9hF1.5 73 0
136 BD+07 3142 SB* 16 20 03.2129753256 +07 07 28.690441176   10.85 9.870 9.711 8.820 G9V 27 0
137 V* V899 Her SB* 16 35 01.9577567928 +33 12 47.767744404   8.33 7.88     F8 65 0
138 V* V502 Oph SB* 16 41 20.8608649992 +00 30 27.384298488   9.15 8.50   7.865 G2V+F9V 196 0
139 V* V921 Her SB* 16 49 31.2401052480 +47 06 28.806437772   9.80 9.50 9.246 9.049 A5 75 0
140 V* V1033 Her EB* 16 50 39.9158102688 +27 44 23.026613352     12.04 11.668   ~ 32 0
141 GSC 02066-01390 * 16 50 46.9036424363 +27 40 45.334504033           ~ 4 0
142 TYC 2066-1252-1 * 16 50 51.8042669688 +27 46 46.270632540   12.78 12.63     ~ 2 0
143 V* V829 Her SB* 16 55 47.8798895112 +35 10 57.592287012   10.96 10.33 10.12 9.372 G2V 79 0
144 V* V2357 Oph SB* 16 57 16.7622100968 +10 59 51.395498736   11.38 10.48 10.25 9.879 G5V 57 0
145 BD+42 2782 SB* 17 01 21.8495239656 +42 09 49.915734732   10.11 9.51 9.303 8.679 G0 23 0
146 V* AK Her SB* 17 13 57.8236051704 +16 21 00.618202044   9.04 8.51   7.874 F4V 271 0
147 V* V728 Her EB* 17 18 04.2960486792 +41 50 38.707746684   11.25 10.61 10.658 10.416 F0 93 0
148 V* GM Dra SB* 17 20 21.8832019536 +57 58 27.057071532   9.30 8.77     F8 70 0
149 HD 159356 SB* 17 33 56.0492182080 +08 09 57.793706460   9.12 8.566   7.829 G0/G1V 51 0
150 V* V701 Sco SB* 17 34 24.5126770776 -32 30 15.985127556   9.08 8.97     B5 131 0
151 V* V535 Ara SB* 17 38 05.5503915840 -56 49 17.289502860   7.69 7.36     A8V 107 0
152 HD 162905 ** 17 53 32.2599466968 -03 54 55.367558604   9.90 9.28     F8V 26 0
153 V* V2388 Oph SB* 17 54 14.1665728728 +11 07 49.770939000   6.72   6.0   F5Vn 133 0
154 V* V566 Oph SB* 17 56 52.4103516432 +04 59 15.326210328   8.03 7.58     F5V 262 0
155 V* V972 Her SB* 17 58 05.0037414840 +32 38 53.017925424   7.09 6.65     F5 66 0
156 V* V508 Oph SB* 17 58 48.6178267440 +13 29 46.283287668   11.25 10.65 9.652 9.269 G5 117 0
157 GSC 04433-01802 EB* 18 05 30.406392 +69 45 15.54228   10.92 10.34 10.128 9.804 F8/9V 89 0
158 TYC 4433-1802-1 SB* 18 05 30.4690230504 +69 45 15.750890424   11.35 10.86     ~ 93 0
159 V* V870 Ara SB* 18 08 22.6749490488 -56 46 01.800121404   9.65 8.96     F7/G0 66 0
160 V* V839 Oph SB* 18 09 21.2653435464 +09 09 03.607091388   9.62 9.03   8.286 F7V 147 0
161 V* V2612 Oph SB* 18 29 13.0163006016 +06 47 13.742328588   10.127 9.55 9.06 8.844 F7V 50 1
162 HD 171848 SB* 18 33 24.3606131184 +58 42 23.347863108   9.30 9.01     F8 44 0
163 HD 343341 SB* 18 53 17.5434735000 +21 13 32.743233660   10.20 9.79 9.541 9.253 A7 29 0
164 * eps CrA SB* 18 58 43.3827144528 -37 06 26.380732536   5.24 4.85     F4VFe-0.8+ 224 0
165 V* V401 Cyg SB* 19 29 20.2724598624 +30 24 28.462498560   11.04 10.70 10.403 10.171 F0 105 0
166 V* V417 Aql SB* 19 35 24.1195136928 +05 50 17.661574140   11.23 10.63 10.629 10.276 G0V+F9V 131 0
167 V* OO Aql SB* 19 48 12.6525764880 +09 18 32.374957356   10.26 9.49 8.773 8.762 F9V 239 0
168 V* V1191 Cyg SB* 20 16 50.8171109208 +41 57 41.257475856   11.41 10.99 10.474 10.128 F6V 94 0
169 V* V382 Cyg SB* 20 18 47.2202814912 +36 20 26.085111756 9.35 9.19 8.65     O6IVn+O5Vn 201 0
170 V* VW Cep SB* 20 37 21.6316723003 +75 36 01.894463230   8.13   7.0   G8V+K0V 561 0
171 V* MW Pav SB* 20 46 27.7481505168 -71 56 58.466402412   9.15 8.79     F3IV/V 83 0
172 NSVS 1342218 EB* 20 54 43.7062750344 +69 59 58.508928924   14.68 13.86 13.23   ~ 6 0
173 2MASS J20551123+6957568 * 20 55 11.23368 +69 57 56.8692           ~ 1 0
174 TYC 4464-886-1 * 20 55 11.3703226800 +70 03 01.288543428   13.08 12.15     ~ 1 0
175 V* LS Del SB* 20 57 10.2862100664 +19 38 59.247220704   9.178 8.722 8.3 8.054 F5/8V 79 0
176 HD 202924 SB* 21 18 10.8806281512 +30 35 21.597716292   8.33 8.11     A0 52 0
177 V* HV Aqr SB* 21 21 24.8100075384 -03 09 36.885487068   10.50 9.99 9.337 9.148 F5V 63 0
178 V* V1073 Cyg SB* 21 25 00.3578881488 +33 41 14.938809648   8.78 8.38     A1VpSi: 153 0
179 V* DK Cyg SB* 21 35 02.6693386896 +34 35 45.395481192   10.98 10.56 10.154 9.914 A6V 149 0
180 V* BX Peg EB* 21 38 49.3910800824 +26 41 34.213405092     10.890     G4.5 142 0
181 HD 210431 SB* 22 07 10.8938981880 +72 22 22.243582020   6.96 6.84     A0 29 0
182 V* BB Peg SB* 22 22 56.8915406208 +16 19 27.861694716   11.69 11.17     F8V 124 0
183 V* V505 Lac EB* 22 42 47.7268272576 +45 21 05.213859300   10.81 10.19 10.12   G0 14 0
184 HD 216598 SB* 22 53 41.6540031672 +37 56 18.607477416   9.65 8.91     K0Vv 380 0
185 V* V404 Peg EB* 22 56 30.8893399992 +33 55 12.095562180   11.04 10.44     ~ 24 0
186 V* AB And SB* 23 11 32.0859315024 +36 53 35.108950344   10.62 9.50 9.009 8.585 G5+G5V 276 0
187 HD 220659 SB* 23 25 25.1886486984 +15 41 19.146920892   8.33 8.04     A8V 61 0
188 V* VZ Psc EB* 23 27 48.3881626645 +04 51 23.937175287   11.347 10.274 10.090 8.926 K4/5V 125 0
189 V* V407 Peg SB* 23 36 55.3663169472 +15 48 06.396000012   9.79 9.45     F0V 39 0
190 V* V357 Peg SB* 23 45 35.0650608720 +25 28 18.942348936   9.41 9.05 8.812 8.605 F2V 54 0
191 V* EL Aqr SB* 23 47 18.3454691304 -08 05 12.095320272   10.91 10.41 10.229 9.969 F3V 59 0
192 V* V619 Peg EB* 23 56 57.8242555992 +10 48 15.723497700   11.46 11.11 10.742 10.419 ~ 18 0
193 V* DX Tuc SB* 23 57 21.5215738872 -64 14 35.619975096   10.13 9.60 9.28 9.144 F6/8IV/V 44 0
194 V* U Peg SB* 23 57 58.4766636672 +15 57 10.087001640   10.26 9.63 8.871 8.970 G2V 252 0

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