1997NewA....2...31G

Query : 1997NewA....2...31G

1997NewA....2...31G - New Astronomy, 2, 31-42 (1997/May-0)

The structure of roundchroms in close binary systems.

GURZADYAN G.A.

Abstract (from CDS):

The determination of common chromospheres - roundchroms - for 32 close binary systems, all of RS CVn type, is described; the main parameters of these roundchroms - volumes, electron concentrations and masses, are estimated. Three types of roundchroms are established according to their structure. The empirical relationship between their electron concentration n_e and intercomponent distance a - n_e = K a^-0.80, discovered earlier, is confirmed by data for over fifty close binary systems. This law holds promise for the determination of component radii of close binary systems and some parameters of their roundchroms.

Abstract Copyright: ∼

Journal keyword(s): Celestial mechanics - stellar dynamics - Binaries: close - Stars: chromospheres

Simbad objects: 70

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Number of rows : 70
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 * 33 Psc RS* 00 05 20.1411719640 -05 42 27.431698821 6.52 5.65 4.61 3.83 3.29 K0III-IV 223 0
2 HD 232121 SB* 00 10 42.0679172568 +54 53 29.361482988   9.67 8.97     B5+K3III 186 0
3 V* CF Tuc RS* 00 53 07.7675726832 -74 39 05.608753668   8.31 7.90   6.730 G2/5V+F0 241 0
4 * 39 Cet RS* 01 16 36.2879453688 -02 30 01.328624496   6.310 5.428     G6III:eFe-2 269 0
5 V* UV Psc EB* 01 16 55.1191752816 +06 48 42.131407176   9.73 9.01   8.223 G5(N) 267 0
6 * ksi And * 01 22 20.4200755704 +45 31 43.596248844   5.951 4.868     K0-IIIb 142 0
7 * alf Tri SB* 01 53 04.9054187154 +29 34 43.747211027 3.96 3.90 3.42 3.00 2.72 F5III 299 0
8 * iot Tri ** 02 12 22.28003 +30 18 11.0430 6.048 5.741 4.952     G0III+G5III 195 0
9 V* LX Per RS* 03 13 22.3675396416 +48 06 31.278485736   8.97 8.24     G5IV 144 0
10 V* UX Ari RS* 03 26 35.3756804760 +28 42 54.226408428 7.76 7.28 6.37     K0IV 726 0
11 HD 22468 RS* 03 36 47.2904292073 +00 35 15.943692002 7.09 6.79 5.90     K2:Vnk 1206 0
12 V* EI Eri RS* 04 09 40.8923562192 -07 53 34.175993568   7.71 7.04     G3V 298 0
13 V* RZ Eri RS* 04 43 45.8302005168 -10 40 56.016683040   8.530 7.88     kF1hF5mF5IVEuSrBa 187 0
14 * 12 Cam RS* 05 06 12.1376709864 +59 01 16.819526820 8.110 7.260 6.130     K0IIIe 169 0
15 * alf Aur SB* 05 16 41.35871 +45 59 52.7693 1.33 0.88 0.08 -0.52 -0.96 G3III: 1207 0
16 * sig Aur * 05 24 39.1414789752 +37 23 07.256761044   6.435 4.996     K3IIICN+2 68 0
17 V* TW Lep RS* 05 40 39.7164624456 -20 17 55.557110076   8.52 7.47     K0IV 110 0
18 V* SV Cam SB* 06 41 19.0827100176 +82 16 02.435351448       9.0   G2IV-V 367 0
19 V* AR Mon RS* 07 20 48.4542865200 -05 15 35.796949272   9.84 8.79   7.608 G6IV 176 0
20 * iot Gem ** 07 25 43.5956409143 +27 47 53.086950407 5.67 4.83 3.79 3.02 2.52 G9IIIb 222 0
21 * sig Gem RS* 07 43 18.7276907303 +28 53 00.631838445 6.38 5.41 4.29 3.37 2.79 K1IIIe 499 0
22 V* AY Lyn RR* 08 00 29.8924858200 +40 39 23.855782644   16.77 16.88     A0 19 0
23 * 54 Cam RS* 08 02 35.7833395368 +57 16 25.055079888   7.11 6.49     F9IV+G5IV 182 0
24 V* AY Cam SB* 08 25 51.7866730824 +77 13 06.845960820   10.12 9.72     A0V+F0V 65 0
25 V* TY Pyx RS* 08 59 42.7215009264 -27 48 58.696337160 7.82 7.56 6.87     G5V 269 0
26 V* WY Cnc RS* 09 01 55.4508997464 +26 41 22.746780564 10.54 10.34 9.60     G5V 206 0
27 V* IL Hya RS* 09 24 49.0136973144 -23 49 34.714396272   8.38 7.37     K2IV/Vp 176 0
28 * omi Leo SB* 09 41 09.0321741326 +09 53 32.308426423 4.22 4.01 3.52 3.11 2.88 F8-G0III+A7m 163 0
29 V* DH Leo RS* 10 00 01.7108047320 +24 33 10.079801604   9.47 7.982 7.3 6.898 K0Vk 164 0
30 BC 56 C* 10 17 50.8027412952 +73 25 13.349385156   16.06 11.31 10.46   C-N 16 0
31 V* UV Leo SB* 10 38 20.7691705464 +14 16 03.663229224   9.62 8.92 9.188 8.194 G0V(N) 263 0
32 * 12 Mus ** 11 39 29.5660962396 -65 23 52.099447484   5.863 5.095 6.31   G5/8IIIp+A0/1V 185 1
33 HD 102077 BY* 11 44 38.4210169656 -49 25 02.404105608   10.04 8.917   7.831 K1V 99 0
34 * 93 Leo RS* 11 47 59.13595 +20 13 08.1500   5.07 4.52     F8III+A6III 230 1
35 V* DK Dra RS* 12 15 41.4909161616 +72 33 04.308176484   7.43 6.29     K0+IIICH-1 180 0
36 V* AS Dra RS* 12 22 11.7349529315 +73 14 54.539367413   8.73   7.5   G5 129 0
37 * eps UMa a2* 12 54 01.7495922 +55 57 35.362645 1.76 1.75 1.77 1.79 1.82 A1III-IVpkB9 488 0
38 V* RS CVn RS* 13 10 36.9077924448 +35 56 05.584994412 8.57 8.51 7.93 7.7   F6IV+G8IV 753 0
39 V* BH CVn RS* 13 34 47.8087660104 +37 10 56.691826860 5.43 5.38 4.98 4.57 4.27 A6m 350 0
40 V* BH Vir RS* 13 58 24.8603543280 -01 39 38.954265912   10.29 9.68   9.047 F6/8V 208 0
41 V* V841 Cen RS* 14 34 16.0459114320 -60 24 28.981545336   9.63 8.57   7.498 K1IIIe 97 0
42 V* RV Lib RS* 14 35 48.4180180704 -18 02 11.527862100   10.26 9.17   8.024 G6/8IV 108 0
43 * ksi Boo BY* 14 51 23.37993 +19 06 01.6994 5.618 5.370 4.593 3.91 3.48 G7Ve+K5Ve 503 0
44 * tet Dra SB* 16 01 53.3449795946 +58 33 54.901935955 4.630 4.520 4.000 3.56 3.31 F9V 304 0
45 * sig CrB RS* 16 14 40.85557 +33 51 30.9497           F6V+G0V 508 0
46 HD 150708A RS* 16 39 03.9794437032 +60 41 58.778276820   9.34 8.61     G5Vn 201 0
47 * eps UMi RS* 16 45 58.2436042536 +82 02 14.129823444   5.109 4.212     G5III 218 0
48 V* V792 Her SB* 17 10 25.6014440928 +48 57 56.260655136   9.07 8.14     G8IV 105 0
49 HD 155555 RS* 17 17 25.5053342232 -66 57 03.732141636 7.795 7.499 6.723   6.39 G5V+K1V 292 1
50 V* AK Dra EB* 18 16 43.3203660624 +53 14 47.385735036     12.487     kA6hF1mF2 24 0
51 * omi Dra RS* 18 51 12.0943444536 +59 23 18.060530136   5.798 4.636     G9IIIFe-0.5 226 0
52 V* PZ Tel BY* 18 53 05.8735056984 -50 10 49.897437168   9.22 8.342   7.464 G9IV 364 0
53 HD 179094 SB* 19 08 25.7885833200 +52 25 32.631746052   6.982 5.893     K1IIIe 207 1
54 V* V1817 Cyg RS* 19 31 13.5541126104 +55 43 54.606543600   7.489 6.369     K2II-III+A0V 154 0
55 HD 185510 RS* 19 39 38.8187091672 -06 03 49.460337108   9.44 8.235   6.967 K0III+sdB 119 0
56 * 22 Vul SB* 20 15 30.2386386720 +23 30 32.051069712   6.192 5.176     G3Ib-II 215 0
57 BD+34 4217A SB* 20 58 13.4532832453 +35 10 29.672620146   10.95 10.109     ~ 267 0
58 BD+34 4217 ** 20 58 13.4533595470 +35 10 29.664154462     10.13     G9.5Ve+K3Ve 264 0
59 HD 200391 Ae* 21 02 25.9070119848 +27 48 26.444060604   7.93 7.374   6.624 G0V+G5V 366 0
60 * 42 Cap RS* 21 41 32.8588063853 -14 02 51.404792132 6.03 5.83 5.18     G2IV 191 0
61 V* FF Aqr EB* 22 00 36.4255860432 -02 44 26.868642108   10.23 9.408   8.245 G8III+sdO 122 0
62 V* RT Lac RS* 22 01 30.7406691720 +43 53 25.643931396   10.092 8.84     G9+K1IVIV 278 0
63 V* HK Lac RS* 22 04 56.6083608840 +47 14 04.479131004   8.01 6.96     K0III 250 0
64 V* AR Lac RS* 22 08 40.8182089680 +45 44 32.107863120 7.09 6.83 6.11     K0IVe+G5IV 745 0
65 V* V350 Lac SB* 22 30 06.5036358504 +49 21 23.084756172   7.59 6.42     K2III 143 0
66 V* IM Peg RS* 22 53 02.2663977960 +16 50 28.300547040   7.024 5.890     K2III 357 1
67 V* RT And RS* 23 11 10.0984058784 +53 01 33.031339248   9.58 9.043 8.73   F8V+G0-K1-3V 375 0
68 V* SZ Psc RS* 23 13 23.7784875720 +02 40 31.602660924   8.19 7.44   6.390 G5Vp 333 1
69 * lam And RS* 23 37 33.8427800830 +46 27 29.344721109 5.54 4.84 3.82 3.04 2.47 G8IVk 693 0
70 HD 224085 RS* 23 55 04.0520383542 +28 38 01.245426862 8.88 8.20   6.9   K2+IVeFe-1 756 0

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