2011A&A...525A..26D


Query : 2011A&A...525A..26D

2011A&A...525A..26D - Astronomy and Astrophysics, volume 525A, 26-26 (2011/1-1)

The mass ratio and initial mass functions in spectroscopic binaries.

DUCATI J.R., PENTEADO E.M. and TURCATI R.

Abstract (from CDS):

Spectroscopic binaries are important in studies of binary star-formation, since original information linked to the forming stars, such as the mass ratio, can be kept in the system and observationally retrieved. We aim to derive the more probable mass ratio distributions, to test a possible Initial Mass Functions acting on the formation of spectroscopic binaries, and to derive the value of q0, the minimal mass ratio for which both binary components are simultaneously in the main sequence. The sample has 249 systems, selected from the Ninth Catalogue of Spectroscopic Binaries, with selection criteria that include only those systems with periods longer than four days and magnitudes brighter than mV=7.0, and main-sequence primaries, to avoid mass exchange. Monte Carlo simulations of observational parameters were performed. We performed simulations by comparing an observational quantity, Yobs, equal to f(m)/m1, where f(m) is the mass function, to theoretical Yth, which is a function of the system inclination (assumed to be random), and of the mass ratio q=m2/m1. We considered a minimal mass ratio q0, which is the limiting condition, to ensure that both components are simultaneously on main sequence, avoiding evolutionary effects leading to mass exchange and loss of information on the original masses. Calculations were done using several q0 values. The form of the distribution of mass ratios was studied by simulations of Y, involving several functions, with slopes which are increasing, decreasing, constant, or bimodal. Other simulations were done by the generation of stars following several initial mass function laws. We combined pairs of stars generated from different IMFs, assuming that binaries arise from the pairing of stars simultaneously formed. In this case, several values of q0 were also used in the input equations. Our results indicate that decreasing q distributions match better with observations and also that a unique IMF gives better fits to observations than a composite IMF, with a slope around 1.4, rather than the widely used 2.35 slope. Values of q0 tend to be lower than what is suggested by previous studies, which point to q0 around 0.2; all simulations suggest that q0 values as low as 0.08 produce the best fits to observations.

Abstract Copyright:

Journal keyword(s): binaries: spectroscopic

Simbad objects: 248

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Number of rows : 248
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 * 85 Peg SB* 00 02 10.3487193861 +27 04 54.599101714 6.47 6.42 5.75 5.16 4.73 G5VbFe-2 549 0
2 * alf And a2* 00 08 23.25988 +29 05 25.5520 1.48 1.95 2.06 2.09 2.19 B8IV-VHgMn 470 1
3 HD 434 SB* 00 09 00.1608064056 +28 14 51.149653908   6.70 6.47     A4Vm 43 0
4 HD 861 SB* 00 13 12.7303696752 +62 02 27.159766728   6.83 6.622     A2m 49 0
5 HD 1273 SB* 00 16 53.8974209976 -52 39 04.166413161 7.537 7.497 6.852 6.475 6.095 G5VFe-1.2CH-0.9 93 0
6 * pi. And SB* 00 36 52.8513216207 +33 43 09.636294654 3.65 4.20 4.36 4.40 4.52 B5V 200 0
7 HD 3443 ** 00 37 20.71960 -24 46 02.1843   6.28 5.57     K1V+G 240 0
8 * ksi Cas SB* 00 42 03.8922075864 +50 30 45.120403944 4.05 4.71 4.81 4.82 4.94 B2V 142 0
9 * 21 Cas SB* 00 45 39.0765692400 +74 59 17.054172672   5.717 5.652     A2IV 214 0
10 * 64 Psc SB* 00 48 58.7075574408 +16 56 26.324381004   5.58   4.8   F8V 139 0
11 * nu. And SB* 00 49 48.8463243776 +41 04 44.079221948 3.80 4.38 4.53 4.56 4.71 B5V 221 0
12 HD 4775 SB* 00 50 43.5977451408 +64 14 51.249546240   5.868 5.362     G5III+A0V 92 0
13 * sig Psc SB* 01 02 49.0967880192 +31 48 15.342034716 5.27 5.45 5.50     B9.5V 71 0
14 * zet Psc B SB* 01 13 45.2546962176 +07 34 41.680306272   6.55 6.10     F7V 105 0
15 * 47 And SB* 01 23 40.6162821408 +37 42 53.799369336   5.865 5.587     A2Vm 103 0
16 * 38 Cas SB* 01 31 13.7567170296 +70 15 52.559375868       5.6   F6V 67 0
17 HD 10009 SB* 01 37 37.7062257504 -09 24 13.759495668   6.77 6.24     F8.5VFe-0.5 119 0
18 * phi Per Be* 01 43 39.6379691568 +50 41 19.433124998 3.10 4.02 4.06 3.90 3.88 B1.5V:e-shell 574 0
19 * 2 Per SB* 01 52 09.3723086736 +50 47 34.054111608 5.38 5.623 5.689     B9pHgMn 95 0
20 * phi Phe SB* 01 54 22.0319152104 -42 29 48.942141036   5.055 5.109     A3V 115 0
21 * bet Ari SB* 01 54 38.41099 +20 48 28.9133 2.88 2.78 2.65 2.51 2.43 kA4hA5mA5Va 416 1
22 * iot Ari SB* 01 57 21.0575641335 +17 49 03.201652560   6.018 5.105     K1Vp 106 0
23 HD 11860 SB* 01 58 18.5364783312 +59 37 33.423792024   6.73 6.64     A1IV 33 0
24 * 48 Cas ** 02 01 57.4923122138 +70 54 25.080923232 4.76 4.70 4.54 4.36 4.28 A3Va 159 0
25 * del Tri SB* 02 17 03.2303387763 +34 13 27.235383770 5.50 5.48   4.5   G0.5VFe-0.5 396 0
26 HD 14214 SB* 02 18 01.4433164917 +01 45 28.123488501   6.18   5.2   G1V 188 0
27 * 66 And SB* 02 27 51.7780802040 +50 34 11.906854392   6.566 6.156     F4V 62 0
28 * 29 Ari SB* 02 32 54.1419032736 +15 02 04.328074788   6.541 5.988     F8V 78 0
29 * zet Hor SB* 02 40 39.6133475112 -54 32 59.682907572   5.61 5.21     F6V 64 0
30 * 12 Per SB* 02 42 14.9145674304 +40 11 38.221732500 5.65 5.51 4.92 4.42 4.12 F9V 186 0
31 * 35 Ari SB* 02 43 27.1142794560 +27 42 25.737873444 3.91 4.54 4.67 4.69 4.82 B3V 176 0
32 HD 16458 SB* 02 47 47.7257592048 +81 26 54.505744152   7.091 5.781     K1Ba5 165 0
33 HD 18894 SB* 03 02 09.2735455608 -06 29 40.318970388   6.782 6.194     G0V 69 0
34 HD 20210 SB* 03 16 01.8603052344 +34 41 18.631390992   6.508 6.229     A1m 96 0
35 V* UX Ari RS* 03 26 35.3756804760 +28 42 54.226408428 7.76 7.28 6.37     K0IV 702 0
36 HD 21278 SB* 03 28 03.0707602272 +49 03 46.325803896   4.89 4.97     B5V 209 0
37 * tau05 Eri SB* 03 33 47.2758917450 -21 37 58.384116886   4.15 4.25     B9V 111 0
38 * 11 Tau SB* 03 40 46.3097428032 +25 19 46.158526416   6.187 6.102     A2IV 56 0
39 HD 23964A SB* 03 49 58.0556899152 +23 50 55.288075236   6.82 6.81 6.3 6.74 B9.5VspSiSrCr 150 0
40 * tau08 Eri SB* 03 53 42.7023562560 -24 36 44.021417544   4.496 4.623     B6V 117 0
41 * lam Tau SB* 04 00 40.8167738514 +12 29 25.239987626 2.66 3.29 3.41 3.44 3.53 B4IV 350 0
42 * 41 Tau a2* 04 06 36.4125948768 +27 35 59.640149616   5.041 5.172     Ap 238 0
43 * ups04 Eri SB* 04 17 53.6624004496 -33 47 54.052408258 3.07 3.44 3.56 3.57 3.68 B8V+B9.5V? 157 0
44 * b Per SB* 04 18 14.6214589094 +50 17 43.775037161   4.639 4.594   4.44 A1III 158 0
45 * 51 Tau SB* 04 18 23.2109961408 +21 34 45.188971896   5.945 5.631     F0V 262 0
46 * 53 Tau a2* 04 19 26.0975894496 +21 08 32.298968148   5.413 5.482     B9Vsp 272 0
47 * 70 Tau SB* 04 25 37.3225242048 +15 56 27.683560428   6.951 6.439 7.75   F7V 273 0
48 HD 28271 SB* 04 28 51.9945026972 +30 21 41.580029004   6.898 6.383     F7V 69 0
49 * rho Tau dS* 04 33 50.9178322656 +14 50 39.941657592 4.98 4.90 4.65 4.41 4.29 A8V 226 0
50 HD 30455 SB* 04 48 42.1391486764 +18 42 33.980295797   7.59   6.6   G2V 141 0
51 HD 30453 SB* 04 49 19.0800954840 +32 35 17.491969320   6.086 5.824     A8m 73 0
52 HD 30869A SB* 04 51 49.978609 +13 39 18.53294   6.81 6.36     ~ 179 0
53 HD 30869 ** 04 51 49.9931074392 +13 39 18.486491220   6.751 6.250 7.34 5.674 ~ 195 0
54 * 9 Aur gD* 05 06 40.6306032888 +51 35 51.798998724       4.8   F2V 193 0
55 * 66 Eri a2* 05 06 45.6527881872 -04 39 18.601025148 4.89 5.06 5.12     B9V 151 1
56 * 103 Tau SB* 05 08 06.6223554696 +24 15 54.628591608 4.99 5.56 5.50     B2V 153 0
57 * 17 Aur SB* 05 18 18.8960529504 +33 46 02.516925540   6.102 6.144     B9V+B9.5V 301 0
58 HD 34762 SB* 05 20 59.3284021344 +27 57 26.168127480   6.37 6.33     B9IV 55 0
59 * rho Aur SB* 05 21 48.4165451880 +41 48 16.459353360   5.070 5.207     B3V 160 0
60 HD 35317 ** 05 23 51.32963 -00 51 59.8576           F7V+F8V 90 0
61 * eta Ori bC* 05 24 28.61672 -02 23 49.7311 2.25 3.18 3.35 3.44 3.65 B1V+B2: 401 0
62 * 31 Men SB* 05 30 13.8827476176 -84 47 06.365764140   6.169 6.186     B9.5IV/V 131 0
63 * del02 Ori SB* 05 32 00.4064140728 -00 17 04.347484800 5.97 6.67 6.83     B2Vsn 284 0
64 V* VV Ori SB* 05 33 31.4464933704 -01 09 21.859452468 4.26 5.16 5.34 5.39 5.59 B1V+B4.5V 261 0
65 HD 36964 * 05 34 16.9405310328 -24 20 19.774204836   9.84 9.60     A(pSr) 14 0
66 HD 37017 SB* 05 35 21.8667428568 -04 29 39.024375324 5.66 6.43 6.56 6.61 6.74 B2/3V 303 0
67 * tet02 Ori A SB* 05 35 22.9012398264 -05 24 57.832632108 5.37 6.30 6.39 6.30 6.35 O9.5IVp 550 0
68 * 125 Tau SB* 05 39 44.2007942808 +25 53 49.540025004 4.33 5.015 5.166     B3IV 113 0
69 * 136 Tau SB* 05 53 19.6462510620 +27 36 44.142990481   4.539 4.552     A0V 85 0
70 * chi01 Ori RS* 05 54 22.9829893 +20 16 34.222038 5.08 5.00 4.40 3.90 3.59 G0V 858 0
71 * 57 Ori SB* 05 54 56.6868869640 +19 44 58.624495332 4.99 5.748 5.894     B2V 100 0
72 HD 41335 Be* 06 04 13.5003372120 -06 42 32.225392980 4.31 5.14 5.21 5.13 5.09 B1V 300 0
73 * 17 Lep Sy* 06 04 59.1294521328 -16 29 03.969238632 5.29 5.17 4.93     A3+K/M 211 0
74 * 40 Aur SB* 06 06 35.0975220648 +38 28 57.528452532   5.587 5.345     kA7IVmF2/5IIISr 87 0
75 * nu. Ori SB* 06 07 34.3251233989 +14 46 06.510739548 3.6 4.240 4.397     B3IV 230 0
76 HD 42083 SB* 06 11 45.9130989312 +52 38 49.860971700   6.422 6.268     A5m 47 0
77 * zet CMa Ce* 06 20 18.7920398 -30 03 48.120242 2.12 2.82 2.99     B2.5V 163 0
78 HD 45088 BY* 06 26 10.2546417144 +18 45 24.761018520 8.402 7.74   6.2   K2Ve 244 0
79 V* RR Lyn SB* 06 26 25.8366305040 +56 17 06.346261104   5.76 5.54     kA3hA7VmF2 211 0
80 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 806 0
81 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1538 0
82 HD 48767 SB* 06 48 12.2922995688 +55 42 15.091855236   6.70 6.23 6.97   F6V 34 0
83 BD-07 1642 SB* 06 57 00.0942794184 -08 10 45.479776692   6.938 6.337     G9.5III+A0IV: 50 0
84 HD 54563 RG* 07 10 06.6783240554 +21 14 49.142081431   7.32   5.9   G9V 92 0
85 HD 58661 ** 07 28 51.4870582200 +48 11 02.180139576   5.611 5.703     B9IIIpSr 106 0
86 HD 59543 SB* 07 29 54.3012005496 -13 59 21.866088660 6.4 7.12 7.19 7.22   B3IV/V 41 0
87 * alf Gem A SB* 07 34 35.862828 +31 53 17.79429     1.9     A1.5IV+ 389 0
88 HD 61859 SB* 07 42 43.5497932416 +34 00 00.794647512 6.530 6.500 6.060     F7V 55 0
89 * 9 Pup ** 07 51 46.30295 -13 53 52.9169           G0V 245 0
90 * 28 Lyn SB* 08 07 09.9491374488 +43 15 37.293362784 6.240 6.320 6.350     A1V 44 0
91 * eps Vol SB* 08 07 55.7944779456 -68 37 01.432689816   4.270 4.398     B5III 70 0
92 * zet02 Cnc SB* 08 12 13.1995918248 +17 38 54.566664900   6.36 5.79     G0IV-V 109 1
93 * 15 Cnc a2* 08 13 08.8680600240 +29 39 23.536760076   5.541 5.605     B8VpSi 131 0
94 V* V596 Pup SB* 08 27 33.2749537514 -20 50 38.246097199   6.63 6.59     A1V 121 1
95 HD 71663 ** 08 28 29.15270 -02 31 01.6528   6.75 6.41   6.06 A3mA5/7-A9 110 0
96 HD 72208 SB* 08 31 54.4939363800 +09 48 50.757520896   6.76 6.83     B9.5VpHgMnEu 56 0
97 HD 73712 SB* 08 40 20.1451748712 +19 20 56.315955804   7.04 6.78     A9V 101 0
98 * eps Cnc SB* 08 40 27.0100951392 +19 32 41.324313444 6.630 6.460 6.290     A5m 131 0
99 HD 75759 SB* 08 50 21.0167636904 -42 05 23.247034188 4.95 5.90 6.00 7.18   O9V+B0V 139 0
100 HD 75767 SB* 08 52 16.3908909000 +08 03 46.496176848   8.96   6.2   G1.5V 114 0
101 * 17 Hya A SB* 08 55 29.6076709560 -07 58 16.148285328   6.91 6.70     kA4hF1mF2 42 0
102 * iot UMa A SB* 08 59 12.4531549177 +48 02 30.562298470   3.36 3.13     A7V(n) 255 0
103 * iot UMa ** 08 59 12.45362 +48 02 30.5741 3.40 3.33 3.14 2.92 2.85 A6 297 0
104 V* CV Vel SB* 09 00 37.9905129264 -51 33 20.066036652 5.88 6.55 6.69     B2V 150 0
105 * 10 UMa SB* 09 00 38.38067 +41 46 58.6051 4.440 4.390 3.960 3.57 3.35 F3V+G5V 349 0
106 * nu. Cnc SB* 09 02 44.2677118128 +24 27 10.392222600   5.404 5.447     A0III 199 0
107 * kap Cnc a2* 09 07 44.8095541176 +10 40 05.519586828 4.70 5.13 5.24     B8IIImnp 367 0
108 * pi.01 Cnc SB* 09 12 17.5474052342 +14 59 45.776204103 7.49 7.24 6.51 5.90 5.52 G9V 225 0
109 * 21 Hya SB* 09 12 26.0504794680 -07 06 35.299400796   6.328 6.098     A0mA5/7-F0 124 0
110 * c UMa SB* 09 14 20.5420366248 +61 25 23.941063920   5.71 5.20     G0V 171 0
111 HD 79763 SB* 09 17 31.1787692016 +46 49 02.022620988   5.996 5.938     A1V 65 0
112 HD 81809 ** 09 27 46.8088908054 -06 04 17.008787302           G1.5IV-V 304 0
113 * ome Leo ** 09 28 27.39861 +09 03 24.4255           G1V 163 0
114 * omi Leo SB* 09 41 09.0321741326 +09 53 32.308426423 4.22 4.01 3.52 3.11 2.88 F8-G0III+A7m 156 0
115 * 163 Car SB* 09 54 33.8842758792 -58 25 16.579713612 5.6 6.47 6.64     B2V 123 0
116 * 19 LMi SB* 09 57 41.0544328704 +41 03 20.274786216   5.562 5.104     F6V 122 0
117 HD 87810 SB* 10 07 07.6082292744 -21 15 20.606903928   7.05 6.66     F3V 36 0
118 HD 88215 SB* 10 10 05.8863164376 -12 48 57.323480256   5.644 5.296     F3V 99 0
119 V* ET UMa a2* 10 24 07.8468791760 +65 33 59.121373140   4.889 4.930     A1:VpSiSrHg 277 0
120 * 38 LMi SB* 10 39 07.6323048744 +37 54 36.004148388   6.42   5.5   G0IV 68 0
121 * 41 Sex SB* 10 50 18.0563876088 -08 53 51.953777484   5.949 5.791     A2/3III 78 0
122 * ome UMa SB* 10 53 58.7409163680 +43 11 23.847024876   4.633 4.664     A1VsSi: 102 0
123 * 64 Leo SB* 11 07 39.7060017144 +23 19 25.547875680   6.651 6.468     A5m 59 0
124 HD 98088 a2* 11 16 58.1772734352 -07 08 04.869775428 6.49 6.34 6.14     ApSrCrEu 202 0
125 * ksi UMa A SB* 11 18 10.901164 +31 31 44.97910   4.79 4.25     F8.5:V 312 1
126 V* EE UMa SB* 11 30 24.8253385848 +46 39 27.116495100   7.551 6.302     K0V 68 0
127 HD 101013 SB* 11 37 53.0008333680 +50 37 05.469784824   7.200 6.113     G9:IIIb:Ba2.5 145 0
128 * 62 UMa SB* 11 41 34.2564094520 +31 44 45.775062146 6.08 6.16 5.75 5.37 5.09 F5 117 0
129 * 93 Leo RS* 11 47 59.13595 +20 13 08.1500   5.07 4.52     F8III+A6III 223 1
130 * o Leo SB* 11 55 40.5327230688 +15 38 48.549860664   5.632 5.522     A3V 162 0
131 * pi. Vir SB* 12 00 52.3918266321 +06 36 51.546792184   4.755 4.642   4.53 A5V 106 0
132 * 4 Com SB* 12 11 51.1766910240 +25 52 13.007488332   7.05 5.62     K5III 46 0
133 HD 106516 SB* 12 15 10.55731 -10 18 44.6354 6.44 6.57 6.11     F9VFe-1.7CH-0.7 424 0
134 * eta Vir SB* 12 19 54.3423981960 -00 40 00.466313196 3.99 3.92 3.90 3.82 3.82 A2IV 245 0
135 HD 107935 SB* 12 24 03.4621039848 +25 51 04.359102696   6.917 6.693     Am 88 0
136 HD 108642 SB* 12 28 38.1501425400 +26 13 37.021090692   6.71 6.54     A1IV-VSrSi 147 0
137 * 21 Com a2* 12 31 00.5605002264 +24 34 01.797245328   5.496 5.436     A2pv 285 0
138 HD 110854 SB* 12 44 49.0291245168 +35 38 34.687762152   8.24 8.25     A0V 42 0
139 HD 112486 ** 12 56 17.56470 +54 05 58.1693           kA2hA8mA7+F5/7IV/V 54 0
140 * eta Mus SB* 13 15 14.9353076188 -67 53 40.529009001   4.687 4.780     B7III+B7III 109 1
141 * zet01 UMa SB* 13 23 55.5422805173 +54 55 31.295579890 2.11 2.271 2.220 2.10 2.12 A1.5Vas 311 0
142 * alf Vir bC* 13 25 11.57937 -11 09 40.7501 -0.20 0.74 0.97 1.06 1.30 B1V 858 1
143 * 3 Cen B SB* 13 51 50.2001706768 -32 59 40.835351220   5.94 5.98     B9IV 58 1
144 V* ZZ Boo SB* 13 56 09.5175677112 +25 55 07.352931000   7.158 6.781     F3V 162 0
145 HD 122742 SB* 14 03 32.3409126166 +10 47 12.341888345   7.026 6.268 5.8   G6V 181 0
146 V* CS Vir a2* 14 18 38.2505609712 -18 42 57.465294264 5.86 5.90 5.90     ApSi(Cr) 315 0
147 HD 126983 SB* 14 30 20.9429507016 -49 31 08.533544160   5.423 5.376     A2Vs+A2Vs 54 0
148 * alf Cen A SB* 14 39 36.49400 -60 50 02.3737 0.96 0.72 0.01     G2V 1286 1
149 HD 129132 SB* 14 40 21.8691547512 +21 58 33.121704540 6.590 6.550 6.150     G0V 93 1
150 V* DE Boo RS* 14 53 23.7654730144 +19 09 10.072718521   6.84 6.00 5.5   K0.5V 270 0
151 * eta CrB B * 15 23 12.270456 +30 17 18.45708   6.480 5.95     G2V 137 0
152 * eps Lib SB* 15 24 11.8837924176 -10 19 20.203874400   5.358 4.920     F4V 148 0
153 * bet CrB a2* 15 27 49.7540595700 +29 06 20.494640434 4.08 3.97 3.68 3.50 3.45 F2VpSrCrEuSi 688 0
154 HD 137763 SB* 15 28 09.6181427563 -09 20 52.759792118 8.163 7.704 6.883 6.425 6.009 G9V 149 0
155 HD 138213 SB* 15 28 44.3918461272 +47 12 05.436520740   6.231 6.138     A2IV 62 0
156 HD 139461 SB* 15 38 40.0605002201 -08 47 29.205996075   7.00 6.48     F6.5V 72 0
157 * psi02 Lup SB* 15 42 41.0197420380 -34 42 37.467073334 4.08 4.576 4.721     B5V 113 0
158 HD 141458 SB* 15 48 50.4831096912 +12 43 25.030691364   6.84 6.81     A0 33 0
159 * lam Lib SB* 15 53 20.0538968232 -20 10 01.471003716 4.43 4.997 5.027     B3V 211 0
160 HD 142883 Ce* 15 57 40.4636201088 -20 58 59.082560004   5.839 5.836     B3V 145 0
161 * iot CrB SB* 16 01 26.5649192496 +29 51 03.819408336   4.921 4.971     A0IIIspHgMnEu 265 0
162 HD 144426 SB* 16 05 37.9395359184 +08 05 46.499034696   6.358 6.269     A3m 49 0
163 * phi Her a2* 16 08 46.1762180496 +44 56 05.661355344 3.92 4.20 4.27 4.27 4.36 B9VspHgMn 294 1
164 * c02 Sco SB* 16 12 18.2046168820 -27 55 34.953285603 3.66 4.413 4.568     B2V 185 0
165 * o Her SB* 16 24 10.8287527392 +06 56 53.557789740   5.828 5.819     A1III 77 0
166 * zet TrA SB* 16 28 28.1422653048 -70 05 03.824909916   5.446 4.899     F9V 208 0
167 HD 149632 SB* 16 35 26.2877611008 +17 03 26.427758652   6.456 6.403     A2V 57 0
168 HD 151613 SB* 16 45 17.8614916416 +56 46 54.839965656   5.199 4.837     F2V 122 0
169 V* V644 Her dS* 16 55 15.9904488144 +13 37 11.675943120   6.683 6.340     F1V 103 0
170 * h Dra SB* 16 56 01.6911695305 +65 08 05.296785878   5.36 4.88 4.6   F8V 210 0
171 * eps Her SB* 17 00 17.3733587483 +30 55 35.055213817 3.80 3.91 3.92 3.93 3.97 A0V 170 0
172 * mu. Dra B SB* 17 05 20.2106516880 +54 28 14.275098156   6.22 5.69     F6V 107 1
173 HD 155375 SB* 17 10 45.7518428880 +12 28 01.116712020   6.662 6.578     A1m 56 0
174 V* V819 Her SB* 17 21 43.6105947240 +39 58 28.805498832   6.222 5.561     F7V 176 0
175 * 47 Oph SB* 17 26 37.8815658414 -05 05 11.754469183 4.90 4.93 4.54 4.16 3.95 F3V 159 0
176 HD 158261 SB* 17 26 46.1453093400 +34 41 44.883897900 5.87 5.93 5.94     A0V 59 0
177 HD 159082 SB* 17 32 14.8801753080 +11 55 48.177391296 6.260 6.440 6.450     B9.5V 89 0
178 * nu.02 Dra SB* 17 32 16.0425231528 +55 10 22.505264940       4.7   kA4hF2VmF3 149 0
179 * ome Dra SB* 17 36 57.0943076755 +68 45 28.681533966   5.23   4.5   F4V 172 0
180 HD 160346 SB* 17 39 16.9163262 +03 33 18.875718   7.496 6.525 5.9   K3-V 306 0
181 HD 161573 SB* 17 46 07.3255120272 +05 31 48.717378912   6.824 6.848     B4 78 0
182 HD 162515 SB* 17 52 55.7709053280 -35 01 08.012539056   6.57 6.57     B9III 76 0
183 HD 162780 SB* 17 54 14.3800584792 -34 43 39.531808668   6.94 6.91     A0(IV) 68 0
184 HD 163840 SB* 17 57 14.3391768182 +23 59 44.647993135   6.965 6.323     G2V+K2V 125 0
185 * 40 Dra SB* 18 00 03.5284407912 +80 00 03.048202980   6.447 5.939     F7 80 0
186 * 41 Dra SB* 18 00 09.1817075904 +80 00 14.807356056   6.132 5.642     K2Vv 89 0
187 * 70 Oph ** 18 05 27.28518 +02 30 00.3558 5.40 4.89 4.03 3.38 2.92 K0-V 654 0
188 HD 166285 SB* 18 09 54.0136912416 +03 07 11.383329216       5.93   F6V 103 0
189 V* V2502 Oph gD* 18 17 04.8404548584 +01 00 20.632225968   6.91 6.61     F2V 110 0
190 HD 167954 SB* 18 19 41.2873951992 -45 41 56.945609664   7.370 6.830     F9V 54 0
191 * phi Dra a2* 18 20 45.43224 +71 20 16.1499   4.15 4.22     B8V 195 0
192 * 108 Her SB* 18 20 56.9702350080 +29 51 32.123419848   5.84 5.63   5.37 kA3mA7+A9V 95 0
193 * chi Dra SB* 18 21 03.38255 +72 43 58.2518 4.010 4.070 3.580 3.14 2.83 F7V 406 1
194 HD 169981 SB* 18 25 58.7869816656 +29 49 44.149000404 5.99 5.90 5.83 5.75 5.71 A2IV 73 0
195 * e Ser SB* 18 37 35.9626209120 -00 18 34.110143856   5.816 5.768     A0V 80 0
196 HD 172103 SB* 18 38 19.0010828352 -01 06 46.767973788   7.052 6.646     F3/5V 52 0
197 HD 173282 SB* 18 45 18.6572912568 -21 00 05.817988512   6.796 6.331     F5/6V 48 0
198 * 5 Aql A SB* 18 46 28.5938261544 -00 57 42.092897652 6.15 6.03 5.90     kA3hA5VmA6 82 0
199 * 112 Her SB* 18 52 16.4279808528 +21 25 30.512193132 4.83 5.304 5.393     B9pHg 201 0
200 * del01 Lyr SB* 18 53 43.5591448728 +36 58 18.187643568 4.74 5.425 5.573     B2V 112 0
201 HD 177863 SB* 19 07 08.3266173557 -18 44 17.407077555   6.243 6.293     B8V 76 0
202 * 17 Lyr SB* 19 07 25.5819359136 +32 30 06.336732528   5.57 5.22     F0V 98 0
203 HD 178428 SB* 19 07 57.3202744638 +16 51 12.174804109   6.77   5.6   G4.5V 190 0
204 HD 178911 SB* 19 09 04.3519341413 +34 36 01.242009328   7.37   6.3   G1V+K1V 139 0
205 HD 178322 SB* 19 09 57.6520020528 -41 53 32.083602864   5.765 5.855     B5V+B6V 54 0
206 V* RS Vul SB* 19 17 39.9925726776 +22 26 28.364271900   6.91 6.85     B2-5V-IV 178 0
207 * 4 Cyg a2* 19 26 09.1269274848 +36 19 04.432147356 4.60 5.03 5.15     B8pSi(FeII) 142 0
208 HD 183007 SB* 19 29 23.8434913344 -43 26 42.702536328   5.899 5.701     A7VkA2mA5 58 0
209 HD 184467 SB* 19 31 07.9663576561 +58 35 09.604190291   7.47 6.60 7.36   K2V 165 0
210 * h01 Sgr dS* 19 36 01.6534928016 -24 43 08.690321460   5.809 5.640     A1mA2-F0 109 0
211 V* V1143 Cyg SB* 19 38 41.1829269072 +54 58 25.647010572       5.6   F6Va 222 0
212 HD 189178 SB* 19 57 13.8676056936 +40 22 04.173175488   5.352 5.455     B5V 73 0
213 HD 188164 SB* 19 58 52.9850408208 -68 45 45.297814464   6.529 6.374     A6VkA2mA3 46 0
214 HD 189340 SB* 19 59 47.2802830338 -09 57 29.634435094   6.45 5.87     F9V 166 0
215 HD 189783 ** 20 01 26.70449 +10 44 55.0324           F5V+F7V 59 0
216 * 14 Sge SB* 20 03 30.0147595968 +16 01 52.508306604 5.39 5.550 5.658     B9pHgMn 136 0
217 HD 192276 SB* 20 12 03.7457529552 +47 44 13.356931740   6.791 6.903     B8III 54 0
218 * 71 Dra SB* 20 19 36.7272071568 +62 15 26.797556412   5.660 5.709     B9V 79 0
219 * bet01 Cap SB* 20 21 00.6665981712 -14 46 53.067367488 4.14 3.87 3.08 2.53 2.03 G9II:+B8p:Si: 182 0
220 * bet Cap ** 20 21 00.67 -14 46 53.0           ~ 166 0
221 HD 194215 SB* 20 25 26.8274580216 -28 39 47.749771800   6.954 5.858     G8II/III 47 0
222 HD 196133 SB* 20 33 39.6425794632 +45 10 32.037041496   6.734 6.696     A0V 49 0
223 * iot Del SB* 20 37 49.1197657584 +11 22 39.630833580   5.466 5.418     A1IV 108 0
224 * 14 Del SB* 20 49 48.2603242128 +07 51 51.072639732   6.329 6.318     A1Vs 56 0
225 HD 201433 ** 21 08 38.88977 +30 12 20.2935           ~ 99 0
226 * del Equ SB* 21 14 28.8153077 +10 00 25.125878 4.98 4.99 4.49 4.06 3.78 F7(V)+G0(V) 326 0
227 * 68 Cyg SB* 21 18 27.1862219256 +43 56 45.399147864 4.05 4.99 5.00     O7.5IIIn((f)) 374 0
228 HD 202940 SB* 21 19 45.6267274142 -26 21 10.399325111   7.36 6.65     G7V 121 0
229 HD 203439 SB* 21 21 21.9375569448 +32 36 45.848338776   6.094 6.037     A1V 46 0
230 HD 203858 SB* 21 24 07.4493021192 +25 18 44.744946768 6.220 6.210 6.190     A2V 39 0
231 V* IK Peg dS* 21 26 26.6611049976 +19 22 32.310190344   6.294 6.064     kA6hA9mF0+DA 191 0
232 V* EE Peg SB* 21 40 01.8804448032 +09 11 05.150643900   7.09 6.98     A1III 170 0
233 * pi.01 Cyg SB* 21 42 05.6606598980 +51 11 22.659654515 3.86 4.55 4.66     B3III 108 0
234 * 14 Peg SB* 21 49 50.6943677280 +30 10 27.164754840   5.070 5.069     A1Vs 85 0
235 HD 208132 SB* 21 51 37.2477692520 +65 45 09.753047856     7.0     A2 31 0
236 * 79 Dra SB* 21 52 46.9404471768 +73 42 08.174630700   6.737 6.637     A2V 24 0
237 HD 208776 SB* 21 58 28.4227396176 +03 46 36.902019612   7.54   6.6   G3V 100 0
238 * iot Peg SB* 22 07 00.6655101792 +25 20 42.356386464 4.190 4.200 3.770 3.36 3.11 F5V 449 1
239 HD 213429 SB* 22 31 18.3282619654 -06 33 19.068890370   6.702 6.160     F8V 121 0
240 HD 214608 SB* 22 38 47.47147 +44 18 50.0318   7.39 6.82     F9V 118 0
241 HD 214686 SB* 22 40 07.9821127800 -09 21 33.257878488   7.405 6.886     F7V 52 0
242 HD 216608 ** 22 53 40.1609179248 +44 44 57.015416328           kA3VmF2III/IVp 132 0
243 * pi. PsA Ce* 23 03 29.8154580840 -34 44 57.895528308   5.402 5.124     F1VFe-0.8 113 1
244 V* ET And a2* 23 17 56.0115388728 +45 29 20.119357248   6.447 6.479     A0VpSiSr 148 0
245 V* AR Cas SB* 23 30 01.9406369832 +58 32 56.112185112 4.18 4.760 4.886     B3V 216 0
246 * 16 Psc SB* 23 36 23.2846433400 +02 06 07.997904288 6.04 6.12 5.68     F6V 117 0
247 * 74 Peg SB* 23 37 39.7431960696 +16 49 31.793327544   6.265 6.249     A1V 40 0
248 HD 223778 SB* 23 52 25.4091266714 +75 32 40.354906472   7.35 6.38 5.8   K3V 136 0

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