1996A&A...310..797M

Query : 1996A&A...310..797M

1996A&A...310..797M - Astronomy and Astrophysics, volume 310, 797-800 (1996/6-3)

On the link between coronal activity and orbital period in evolved binary stars.

MELO C.H.F. and DE MEDEIROS J.R.

Abstract (from CDS):

The analysis of the relationship between X-emission flux and orbital period indicates a drop in the X-ray emission of binaries with evolved components at orbital periods of about 100 days: Intense X-ray emitters have an orbital period lower than 100 days, whereas with an orbital period greater than about 100 days are weak X-ray emitters. This critical period corresponds to the orbital period separating binary systems with circular orbits from those of eccentric orbits.

Abstract Copyright: ∼

Journal keyword(s): stars: activity - binaries: spectroscopic - stars: coronae - stars: rotation - X-rays: stars

Simbad objects: 42

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Number of rows : 42
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 * 33 Psc RS* 00 05 20.1411719640 -05 42 27.431698821 6.52 5.65 4.61 3.83 3.29 K0III-IV 208 0
2 * 5 Cet EB* 00 08 12.0955513656 -02 26 51.740585628   7.58 6.22     K2IIICNIVp 119 0
3 * eta And SB* 00 57 12.4002792266 +23 25 03.540083245 6.05 5.36 4.42 3.69 3.21 G8-III 189 0
4 * 39 Cet RS* 01 16 36.2879453688 -02 30 01.328624496   6.310 5.428     G6III:eFe-2 255 0
5 HD 8634 SB* 01 25 35.6770156104 +23 30 41.460068844   6.625 6.187 14.22   F6V 93 0
6 * iot Tri ** 02 12 22.28003 +30 18 11.0430 6.048 5.741 4.952     G0III+G5III 190 0
7 * del Tau SB* 04 22 56.0951595936 +17 32 33.049802364 5.56 4.74 3.76 5.56   G9.5IIICN0.5 525 0
8 * 58 Per SB* 04 36 41.4325009530 +41 15 53.405356208 6.31 5.50 4.26 3.31 2.61 K0II-III+B9V 121 0
9 * 3 Cam SB* 04 39 54.6810448896 +53 04 46.327454940   6.158 5.073     G9III 97 0
10 * 12 Cam RS* 05 06 12.1376709864 +59 01 16.819526820 8.110 7.260 6.130     K0IIIe 163 0
11 * alf Aur SB* 05 16 41.35871 +45 59 52.7693 1.33 0.88 0.08 -0.52 -0.96 G3III: 1177 0
12 V* V1197 Ori SB* 05 43 09.3188981064 -01 36 47.707171272   7.786 6.311     K4+III 60 0
13 * 1 Gem SB* 06 04 07.21544 +23 15 48.0401 5.54 5.02 4.15 3.47 3.02 G5III 204 0
14 * tau Pup SB* 06 49 56.1691452909 -50 36 52.339311041   4.13 2.93     K1III 105 0
15 * sig Gem RS* 07 43 18.7276907303 +28 53 00.631838445 6.38 5.41 4.29 3.37 2.79 K1IIIe 478 0
16 * lam Hya SB* 10 10 35.2885811545 -12 21 14.858923765 5.53 4.61 3.61 2.84 2.36 K0IIIbCN0.5 205 0
17 * alf UMa SB* 11 03 43.67152 +61 45 03.7249 3.78 2.86 1.79 0.98 0.40 G9III+A7.5 439 0
18 * 93 Leo RS* 11 47 59.13595 +20 13 08.1500   5.07 4.52     F8III+A6III 220 1
19 V* DK Dra RS* 12 15 41.4909161616 +72 33 04.308176484   7.43 6.29     K0+IIICH-1 170 0
20 HD 106760 SB* 12 16 30.1337441112 +33 03 41.428822680   6.08 4.94     K0.5III-IIIb 122 0
21 HD 109519 SB* 12 35 08.1669518712 +21 52 52.987877328   7.12 5.86     K2II-III 47 0
22 * 16 Ser SB* 15 36 29.5738934952 +10 00 36.529391340   6.217 5.253     K0III:CN1Ba0.7Sr2 206 0
23 * bet Her SB* 16 30 13.2003216885 +21 29 22.598684027 4.39 3.70 2.77 2.13 1.65 G7IIIaFe-0.5 319 0
24 HD 154732 SB* 17 04 49.7731415688 +48 48 14.237256168   7.200 6.106     K1III 55 0
25 HD 162391 SB* 17 52 19.7613514968 -34 25 00.630446052   6.95 5.85     G8/K0III 47 0
26 HD 170547 SB* 18 30 14.2936122840 -05 43 27.041327364   7.214 6.263     G8III 37 0
27 HD 172831 SB* 18 42 36.1201914432 -07 04 25.154710824   7.147 6.125     K1III 36 0
28 * omi Dra RS* 18 51 12.0943444536 +59 23 18.060530136   5.798 4.636     G9IIIFe-0.5 215 0
29 HD 175635 SB* 18 54 52.5101224944 +33 58 06.856798764   6.989 6.030     G5III+A8 53 0
30 * f Aql SB* 19 20 32.9062014840 -05 24 56.764910088   5.927 4.990     G8/K0IV 124 0
31 V* V1817 Cyg RS* 19 31 13.5541126104 +55 43 54.606543600   7.489 6.369     K2II-III+A0V 150 0
32 * phi Cyg SB* 19 39 22.6059124440 +30 09 11.957279256   5.642 4.673     G8III 142 0
33 * l Aql SB* 20 38 20.2844885280 -01 06 18.422101548 5.98 5.29 4.33 3.66 3.20 G7.5IIIa 95 0
34 HD 199547 SB* 20 56 24.4495084752 +43 54 02.379814668 9.230 8.190 7.040     K0III 36 0
35 HD 199870 SB* 20 58 19.4663810952 +44 28 18.140900268   6.528 5.547     K0III:Fe-0.5 103 0
36 * zet Cyg SB* 21 12 56.1859894833 +30 13 36.835250232 4.96 4.20 3.21 2.52 2.04 G8+III-IIIaBa0.5 341 0
37 * alf Equ SB* 21 15 49.4371672506 +05 14 52.411028661   4.446 3.933     G6IV+B9.5V 150 0
38 V* HK Lac RS* 22 04 56.6083608840 +47 14 04.479131004   8.01 6.96     K0III 242 0
39 V* AR Lac RS* 22 08 40.8182089680 +45 44 32.107863120 7.09 6.83 6.11     K0IVe+G5IV 724 0
40 V* V350 Lac RS* 22 30 06.5036358504 +49 21 23.084756172   7.59 6.42     K2III 135 0
41 V* IM Peg RS* 22 53 02.2663977960 +16 50 28.300547040   7.024 5.890     K2III 338 1
42 * lam And RS* 23 37 33.8427800830 +46 27 29.344721109 5.54 4.84 3.82 3.04 2.47 G8IVk 668 0

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