1997A&A...317..776M

Query : 1997A&A...317..776M

1997A&A...317..776M - Astronomy and Astrophysics, volume 317776-785 (1997/1-3)

EUV emission from RS Canum Venaticorum binaries.

MITROU C.K., MATHIOUDAKIS M., DOYLE J.G. and ANTONOPOULOU E.

Abstract (from CDS):

We performed a study of 104 RS CVn systems in the extreme ultraviolet (EUV) using the all-sky survey data obtained by the Extreme Ultraviolet Explorer (EUVE). The present sample includes several new RS CVn detections; 11 more than in the published EUVE catalogs, and 8 more than in the ROSAT Wide Field Camera catalog. The ratio of detections to non-detections remained constant throughout the sky, implying that our detections are not limited by the exposure time but are most likely limited by absorption from the interstellar medium. A general trend of increasing Lex/B (50-180Å) flux with decreasing rotational period is clear. The dwarf systems exhibit a leveling-off for the faster rotators. In contrast, the evolved systems exhibit no such effect. For the RS CVn systems the losses in the EUV represent a smaller fraction of the coronal radiative losses, as compared to active late-type dwarfs.

Abstract Copyright: ∼

Journal keyword(s): binaries: close - ultraviole: stars - stars: coronal - stars: activity

Simbad objects: 105

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Number of rows : 105
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 V* BD Cet RS* 00 22 46.3329264624 -09 13 51.076173360   9.09 7.978   6.770 K1IIIe+F 66 0
3 * 13 Cet RS* 00 35 14.87968 -03 35 34.2367   5.75 5.21     F7V+G4V 305 0
4 * zet And El* 00 47 20.3257188471 +24 16 01.842781713 6.05 5.18 4.06 3.21 2.62 K1III+KV 299 0
5 V* CF Tuc RS* 00 53 07.7675726832 -74 39 05.608753668   8.31 7.90   6.730 G2/5V+F0 241 0
6 V* UV Psc EB* 01 16 55.1191752816 +06 48 42.131407176   9.73 9.01   8.223 G5(N) 267 0
7 V* BC Phe RS* 01 22 18.9828131016 -56 43 53.210629740   9.63 8.920   8.070 G8III(e) 61 0
8 V* BI Cet RS* 01 22 50.2948434816 +00 42 43.397347032   9.01 8.162 7.8 7.302 G5V 119 0
9 HD 8357 XB* 01 22 56.7568636416 +07 25 09.332224320 8.530 8.160   6.8   G5 181 0
10 V* XX Tri RS* 02 03 47.1141597864 +35 35 28.665702672   9.52 8.42     K0III 137 0
11 * iot Tri ** 02 12 22.28003 +30 18 11.0430 6.048 5.741 4.952     G0III+G5III 195 0
12 HD 14643 ** 02 18 00.83734 -71 28 02.7459   9.84 9.12 8.82 7.308 G(1)IVp 52 0
13 V* VY Ari RS* 02 48 43.7287198695 +31 06 54.592461256   7.72   6.4   G9 241 0
14 V* LX Per RS* 03 13 22.3675396416 +48 06 31.278485736   8.97 8.24     G5IV 144 0
15 V* UX Ari RS* 03 26 35.3756804760 +28 42 54.226408428 7.76 7.28 6.37     K0IV 726 0
16 HD 22468 RS* 03 36 47.2904292073 +00 35 15.943692002 7.09 6.79 5.90     K2:Vnk 1206 0
17 HD 22403 PM* 03 37 11.0381580962 +25 59 27.954176922       6.9   G4 128 0
18 V* EI Eri RS* 04 09 40.8923562192 -07 53 34.175993568   7.71 7.04     G3V 298 0
19 V* RZ Eri RS* 04 43 45.8302005168 -10 40 56.016683040   8.530 7.88     kF1hF5mF5IVEuSrBa 187 0
20 * 12 Cam RS* 05 06 12.1376709864 +59 01 16.819526820 8.110 7.260 6.130     K0IIIe 169 0
21 * alf Aur SB* 05 16 41.35871 +45 59 52.7693 1.33 0.88 0.08 -0.52 -0.96 G3III: 1207 0
22 V* TW Lep RS* 05 40 39.7164624456 -20 17 55.557110076   8.52 7.47     K0IV 110 0
23 V* V1149 Ori RS* 05 41 26.7877889088 +03 46 40.934823384   7.96 6.82     K0III 94 0
24 V* TZ Col RS* 05 52 15.9879707160 -28 39 24.871828392   9.67 9.082   8.366 G3V 57 1
25 V* SZ Pic RS* 05 53 27.3640188912 -43 33 31.322359296   8.66 7.906   6.974 G8V 73 0
26 V* CQ Aur RS* 06 03 53.6474105928 +31 19 41.199100464   9.86 8.99     G0III: 111 0
27 V* TZ Pic RS* 06 31 05.7283299024 -59 00 16.578648216   8.79 7.739   6.567 K1III/IVp 55 0
28 V* SV Cam SB* 06 41 19.0827100176 +82 16 02.435351448       9.0   G2IV-V 367 0
29 V* VV Mon RS* 07 03 18.2889069816 -05 44 15.523039248 10.51 10.21 9.40   8.593 G0 128 0
30 V* SS Cam RS* 07 16 24.7384875624 +73 19 56.913187584   11.01 10.20     G1+F5e 113 0
31 V* AR Mon RS* 07 20 48.4542865200 -05 15 35.796949272   9.84 8.79   7.608 G6IV 176 0
32 * sig Gem RS* 07 43 18.7276907303 +28 53 00.631838445 6.38 5.41 4.29 3.37 2.79 K1IIIe 499 0
33 * 54 Cam RS* 08 02 35.7833395368 +57 16 25.055079888   7.11 6.49     F9IV+G5IV 182 0
34 V* GK Hya RS* 08 30 49.3107509544 +02 16 26.590968588   10.10 9.37   8.569 G4V 94 0
35 V* RU Cnc RS* 08 37 30.1263809784 +23 33 41.641583472   10.80 10.20 10.019   G9V+F9V 133 0
36 V* RZ Cnc RS* 08 39 08.5400165016 +31 47 44.455494084   10.17 8.67     K2III 171 0
37 V* TY Pyx RS* 08 59 42.7215009264 -27 48 58.696337160 7.82 7.56 6.87     G5V 269 0
38 V* WY Cnc RS* 09 01 55.4508997464 +26 41 22.746780564 10.54 10.34 9.60     G5V 206 0
39 V* XY UMa RS* 09 09 55.9354759992 +54 29 17.724193872       9.620   G5 262 0
40 V* IL Hya RS* 09 24 49.0136973144 -23 49 34.714396272   8.38 7.37     K2IV/Vp 176 0
41 V* IN Vel RS* 09 37 12.9608447520 -42 01 14.490830892   10.26 9.08   7.767 K2IIIp 66 0
42 V* DM UMa RS* 10 55 43.5438405648 +60 28 09.721480656   10.31 9.29     K0III-IV 176 0
43 * ksi UMa RS* 11 18 10.931880 +31 31 45.44004 4.42 4.38 3.79     F8.5:V+G2V 283 0
44 V* V829 Cen RS* 11 39 22.2368261712 -39 23 07.601849088   8.77 7.84   6.588 G8IV 71 0
45 * 12 Mus ** 11 39 29.5660962396 -65 23 52.099447484   5.863 5.095 6.31   G5/8IIIp+A0/1V 185 1
46 V* RW UMa RS* 11 40 46.3524031800 +51 59 53.418567660   10.77 10.22     F8 125 0
47 * 93 Leo RS* 11 47 59.13595 +20 13 08.1500   5.07 4.52     F8III+A6III 230 1
48 V* HU Vir RS* 12 13 20.6914862928 -09 04 46.880926320   9.69 8.71   7.639 K1V 154 0
49 V* DK Dra RS* 12 15 41.4909161616 +72 33 04.308176484   7.43 6.29     K0+IIICH-1 180 0
50 V* AS Dra RS* 12 22 11.7349529315 +73 14 54.539367413   8.73   7.5   G5 129 0
51 V* IL Com RS* 12 25 02.2563809088 +25 33 38.383306020   8.63 8.14     F8 161 0
52 V* UX Com RS* 13 01 33.0177195960 +28 37 54.176681028   10.856 9.954 9.788   G8III+B9.5e 102 0
53 V* IS Vir RS* 13 06 26.0092106448 -04 50 45.306856248   9.50 8.432   7.175 K0III 59 1
54 V* RS CVn RS* 13 10 36.9077924448 +35 56 05.584994412 8.57 8.51 7.93 7.7   F6IV+G8IV 753 0
55 V* BM CVn RS* 13 21 32.2615350168 +38 52 49.518935904   8.56 7.36     K2III 91 0
56 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
57 V* V851 Cen RS* 13 44 00.9212469648 -61 21 59.173175844   8.74 7.798   6.638 K0III 91 0
58 V* BH Vir RS* 13 58 24.8603543280 -01 39 38.954265912   10.29 9.68   9.047 F6/8V 208 0
59 V* V841 Cen RS* 14 34 16.0459114320 -60 24 28.981545336   9.63 8.57   7.498 K1IIIe 97 0
60 V* RV Lib RS* 14 35 48.4180180704 -18 02 11.527862100   10.26 9.17   8.024 G6/8IV 108 0
61 V* SS Boo RS* 15 13 32.5312442136 +38 34 05.558201400   10.95 10.19     G8V 147 0
62 V* UV CrB SB* 15 22 25.3263055704 +25 37 26.926262328   8.53 7.26     K1III 78 0
63 V* GX Lib RS* 15 23 26.0566952568 -06 36 37.745079696   8.39 7.35     G8IVp 120 0
64 V* LS TrA RS* 15 27 45.6757213824 -63 01 14.384753508   9.18 8.14     K0III 66 0
65 V* RT CrB RS* 15 38 03.0315653496 +29 29 13.957089684   10.97 10.22     G0 101 0
66 V* RS UMi RS* 15 50 49.4328812688 +72 12 40.628003544   10.96 10.12     G0 58 0
67 * sig CrB RS* 16 14 40.85557 +33 51 30.9497           F6V+G0V 508 0
68 HD 150708A RS* 16 39 03.9794437032 +60 41 58.778276820   9.34 8.61     G5Vn 201 0
69 * eps UMi RS* 16 45 58.2436042536 +82 02 14.129823444   5.109 4.212     G5III 218 0
70 V* V792 Her SB* 17 10 25.6014440928 +48 57 56.260655136   9.07 8.14     G8IV 105 0
71 HD 155555 RS* 17 17 25.5053342232 -66 57 03.732141636 7.795 7.499 6.723   6.39 G5V+K1V 292 1
72 V* V819 Her SB* 17 21 43.6105947240 +39 58 28.805498832   6.222 5.561     F7V 184 0
73 V* V965 Sco RS* 17 30 33.3571596000 -33 39 15.913872900   9.52 8.574   7.290 G5:IIIe+F0/2IV/V 52 0
74 * 29 Dra RS* 17 32 41.2152041592 +74 13 38.490729348   7.691 6.627     K0+DA1.5 167 0
75 V* Z Her RS* 17 58 06.9789710832 +15 08 21.908719500   7.86 7.30     F8V 294 0
76 V* MM Her RS* 17 58 38.5191368904 +22 08 46.780356588   9.24 9.563 8.01 8.574 G0 141 0
77 HD 165590 SB* 18 05 49.6819035061 +21 26 45.389410339           G0V+G5V 239 0
78 HD 166181 SB* 18 08 16.0497803784 +29 41 28.261731012   8.42 7.70     G5 151 0
79 V* PW Her RS* 18 10 24.1113277272 +33 24 11.199166848   11.04 10.13 8.31   K0IV-V 75 0
80 V* AW Her RS* 18 25 38.7221143200 +18 17 40.208096292   10.52 9.69 7.94 8.537 K4+G4e 90 0
81 * omi Dra RS* 18 51 12.0943444536 +59 23 18.060530136   5.798 4.636     G9IIIFe-0.5 226 0
82 V* V478 Lyr RS* 19 07 32.3867835408 +30 15 16.174368324   8.56 7.78     G6V 135 1
83 HD 179094 SB* 19 08 25.7885833200 +52 25 32.631746052   6.982 5.893     K1IIIe 207 1
84 V* V4138 Sgr RS* 19 22 40.3015654608 -20 38 34.472405976   7.76 6.74     K2IIICNVp 89 0
85 V* V1817 Cyg RS* 19 31 13.5541126104 +55 43 54.606543600   7.489 6.369     K2II-III+A0V 154 0
86 V* V1764 Cyg RS* 19 36 42.5793658488 +27 53 02.891977404   8.99 7.78     K1III: 90 0
87 V* V4091 Sgr RS* 20 06 02.6690472984 -18 42 15.753611556   9.61 8.45     G8/K0Vp 58 0
88 V* AT Cap RS* 20 29 36.8563920384 -21 07 34.735819908   10.15 8.874   7.637 G6III/IV 67 0
89 BD+34 4217A SB* 20 58 13.4532832453 +35 10 29.672620146   10.95 10.109     ~ 267 0
90 BD+34 4217 ** 20 58 13.4533595470 +35 10 29.664154462     10.13     G9.5Ve+K3Ve 264 0
91 HD 200391 Ae* 21 02 25.9070119848 +27 48 26.444060604   7.93 7.374   6.624 G0V+G5V 366 0
92 V* AS Cap RS* 21 34 16.5711987408 -13 29 01.488208524   8.75 7.69   6.658 K0IIIp 75 0
93 V* AD Cap RS* 21 39 48.9156741912 -16 00 21.033204732 11.35 10.77 9.77   8.631 K0IV/V 77 0
94 * 42 Cap RS* 21 41 32.8588063853 -14 02 51.404792132 6.03 5.83 5.18     G2IV 191 0
95 V* RT Lac RS* 22 01 30.7406691720 +43 53 25.643931396   10.092 8.84     G9+K1IVIV 278 0
96 V* HK Lac RS* 22 04 56.6083608840 +47 14 04.479131004   8.01 6.96     K0III 250 0
97 V* AR Lac RS* 22 08 40.8182089680 +45 44 32.107863120 7.09 6.83 6.11     K0IVe+G5IV 745 0
98 V* V350 Lac SB* 22 30 06.5036358504 +49 21 23.084756172   7.59 6.42     K2III 143 0
99 V* IM Peg RS* 22 53 02.2663977960 +16 50 28.300547040   7.024 5.890     K2III 357 1
100 V* RT And RS* 23 11 10.0984058784 +53 01 33.031339248   9.58 9.043 8.73   F8V+G0-K1-3V 375 0
101 V* SZ Psc RS* 23 13 23.7784875720 +02 40 31.602660924   8.19 7.44   6.390 G5Vp 333 1
102 V* EZ Peg SB* 23 16 53.3489522040 +25 43 10.169817168   10.440 9.637 9.346 8.382 G5V(e) 71 0
103 * lam And RS* 23 37 33.8427800830 +46 27 29.344721109 5.54 4.84 3.82 3.04 2.47 G8IVk 693 0
104 V* KT Peg RS* 23 39 30.9712062189 +28 14 47.415889813   7.71   6.6   G8 102 0
105 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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