2002A&A...396..131M

Query : 2002A&A...396..131M

2002A&A...396..131M - Astronomy and Astrophysics, volume 396131-141 (2002/12-2)

Magnetic survey of bright northern main sequence stars.

MONIN D.N., FABRIKA S.N. and VALYAVIN G.G.

Abstract (from CDS):

The first results of a systematic search for magnetic fields in the brightest upper main sequence (MS) stars are presented. The main goal is to survey the stars with about the same detection limit and to improve existing statistics of their magnetism. The target list contains 57 upper MS stars and represents well B0.5-F9 stars. High-resolution Zeeman spectra were obtained for 30 stars of the list. The accuracy of the magnetic field measurements ranges from 20 to 300G depending mainly on spectral class. In the majority of studied stars we did not detect magnetic fields. In some stars we suspect the presence of a weak magnetic field. These are the best candidates for more extensive studies. A particular case is the star χDra where we probably detected the global magnetic field. The longitudinal field strength is Bl=-54±12G. Further observations of this star are needed to confirm the detection and to ascertain if the magnetic field is variable with the period of rotation.

Abstract Copyright: ∼

Journal keyword(s): stars: magnetic fields - surveys

Simbad objects: 57

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Number of rows : 57
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 * eta Cas PM* 00 49 06.2945942922 +57 48 54.638239716 4.04 4.02 3.44 2.94 2.58 F9V 680 0
2 * mu. And PM* 00 56 45.2090751570 +38 29 57.603377713 4.14 3.99 3.87 3.72 3.64 A6V 227 0
3 * bet Ari SB* 01 54 38.41099 +20 48 28.9133 2.88 2.78 2.65 2.51 2.43 kA4hA5mA5Va 426 1
4 * 50 Cas * 02 03 26.1084399681 +72 25 16.658815952   3.953 3.938     A2V 88 0
5 * gam Cet ** 02 43 18.03910 +03 14 08.9390 3.63 3.56 3.47 3.36 3.32 A2Vn+F4V 185 0
6 * 41 Ari ** 02 49 59.0332406 +27 15 37.826018   3.498 3.594     B8Vn 170 0
7 * bet Per SB* 03 08 10.1324535 +40 57 20.328013 1.70 2.07 2.12 2.08 2.11 B8V 1265 1
8 * ksi Tau PM* 03 27 10.1405792544 +09 43 57.871023240 3.33 3.66 3.75 3.76 3.85 B9Vn 198 0
9 * eps Per bC* 03 57 51.2393818140 +40 00 36.719213615 1.71 2.71 2.89 2.96 3.14 B0.5III 533 0
10 * lam Tau SB* 04 00 40.8167738514 +12 29 25.239987626 2.66 3.29 3.41 3.44 3.53 B4IV 364 0
11 * nu. Tau * 04 03 09.3791463041 +05 59 21.482527209   3.924 3.883     A0.5Va 138 0
12 * pi.03 Ori PM* 04 49 50.4112051485 +06 57 40.600622266 3.620 3.630 3.190 2.77 2.51 F6V 601 0
13 * eta Aur PM* 05 06 30.8941413263 +41 14 04.112669983 2.33 3.00 3.18 3.23 3.40 B3V 391 0
14 * tet Aur a2* 05 59 43.27012 +37 12 45.3047 2.36 2.54 2.62 2.62 2.68 A0VpSi 296 1
15 * lam Gem PM* 07 18 05.5789195368 +16 32 25.389581244   3.674 3.559     A4IV 269 0
16 * bet CMi Be* 07 27 09.0417373 +08 17 21.536745 2.52 2.80 2.89 2.90 2.96 B8Ve 400 0
17 * alf Gem A SB* 07 34 35.862828 +31 53 17.79429     1.9     A1.5IV+ 394 0
18 * alf Gem B SB* 07 34 36.100452 +31 53 18.57117     3.0     kA0hA2:mA1IVs 293 0
19 * 53 Cam a2* 08 01 42.4403874648 +60 19 27.806833200   6.177 6.008     A3VpSrSiCrEu 410 0
20 * 10 UMa SB* 09 00 38.4734170729 +41 46 58.888412654 4.440 4.390 3.960 3.57 3.35 F3V+G5V 357 0
21 * kap UMa ** 09 03 37.52762 +47 09 23.4890   3.55 3.55     A1Vn 175 0
22 * tet Hya SB* 09 14 21.8600711562 +02 18 51.551915906   3.82   3.9   B9.5V+DA1.6 224 0
23 * 38 Lyn PM* 09 18 50.6435791217 +36 48 09.345084336   3.96 3.92   3.81 A1V 149 0
24 * alf Leo PM* 10 08 22.31099 +11 58 01.9516 0.88 1.24 1.40 1.37 1.47 B8IVn 891 1
25 * bet UMa PM* 11 01 50.4797515135 +56 22 56.761138187 2.35 2.35 2.37 2.31 2.35 A1IVps 462 0
26 * del Leo PM* 11 14 06.50142 +20 31 25.3853 2.79 2.68 2.53 2.44 2.41 A5IV(n) 292 0
27 * tet Leo PM* 11 14 14.4056705348 +15 25 46.455911128 3.40 3.33 3.35 3.32 3.34 A2IV 353 0
28 * bet Leo dS* 11 49 03.57834 +14 34 19.4090 2.30 2.22 2.13 2.08 2.06 A3Va 605 1
29 * bet Vir PM* 11 50 41.7185158616 +01 45 53.001539131 4.26 4.15 3.60 3.13 2.85 F9V 973 0
30 * gam UMa Em* 11 53 49.8473166 +53 41 41.135025 2.440 2.450 2.440 2.44 2.47 A0V 417 0
31 * del UMa PM* 12 15 25.5598467041 +57 01 57.421119850 3.460 3.410 3.320 3.25 3.25 A2Vn 312 0
32 * 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
33 * alf02 CVn a2* 12 56 01.6655889007 +38 19 06.155170512 2.44 2.76 2.88 2.98 3.05 A0VpSiEu 707 0
34 * zet01 UMa SB* 13 23 55.5422805173 +54 55 31.295579890 2.11 2.271 2.220 2.10 2.12 A1.5Vas 320 0
35 * zet02 UMa SB* 13 23 56.3219129760 +54 55 18.513775632   4.05 3.88     kA1h(eA)mA7IV-V 188 0
36 * eta UMa PM* 13 47 32.43776 +49 18 47.7602 0.99 1.67 1.86 1.98 2.16 B3V 630 0
37 * 109 Vir PM* 14 46 14.9234473441 +01 53 34.381780831 3.69 3.72 3.73 3.66 3.68 A0IIInn 346 0
38 * bet CrB a2* 15 27 49.7540595700 +29 06 20.494640434 4.08 3.97 3.68 3.50 3.45 F2VpSrCrEuSi 703 0
39 * alf CrB SB* 15 34 41.2684881676 +26 42 52.866000089 2.19 2.22 2.24 2.21 2.25 A1IV 499 0
40 * eps Ser PM* 15 50 48.9652705631 +04 28 39.831495034   3.844 3.693     kA2hA5mA7V 206 0
41 * gam Ser PM* 15 56 27.1826577018 +15 39 41.809580382 4.31 4.34 3.84 3.37 3.13 F6V 586 0
42 * lam Oph ** 16 30 54.82314 +01 59 02.1209   3.94 3.90     A1IV 173 0
43 * eps Her SB* 17 00 17.3733587483 +30 55 35.055213817 3.80 3.91 3.92 3.93 3.97 A0V 177 0
44 * gam Oph PM* 17 47 53.5605898827 +02 42 26.204838837 3.83 3.80 3.75 3.71 3.71 A1VnkA0mA0 411 0
45 * omi Her Be* 18 07 32.5511122149 +28 45 44.967836300 3.74 3.802 3.827     B9.5III 162 0
46 * chi Dra SB* 18 21 03.38255 +72 43 58.2518 4.010 4.070 3.580 3.14 2.83 F7V 420 1
47 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0V 2787 1
48 * zet Aql PM* 19 05 24.6080155 +13 51 48.518212 2.99 3.00 2.99 2.98 2.98 A0IV-Vnn 364 0
49 * iot Cyg PM* 19 29 42.3582272955 +51 43 47.200519388   3.899 3.755     A5V 143 0
50 * alf Aql dS* 19 50 46.99855 +08 52 05.9563 1.07 0.98 0.76 0.62 0.49 A7Vn 919 1
51 * nu. Cyg ** 20 57 10.4187305125 +41 10 01.671428052 3.96 3.96 3.94 3.89 3.89 A0IIIn 163 0
52 * alf Cep PM* 21 18 34.77233 +62 35 08.0681 2.770 2.680 2.460 2.22 2.11 A8Vn 374 0
53 * iot Peg SB* 22 07 00.6655101792 +25 20 42.356386464 4.190 4.200 3.770 3.36 3.11 F5V 468 1
54 * tet Peg PM* 22 10 11.9886121211 +06 11 52.517717538 3.72 3.62 3.55 3.50 3.46 A1Va 194 0
55 * alf Lac PM* 22 31 17.5014213452 +50 16 56.969913082 3.78 3.78 3.77 3.77 3.80 A1V 270 0
56 * 42 Peg PM* 22 41 27.7207176 +10 49 52.907917 3.10 3.33 3.41 3.43 3.50 B8.5IV 320 0
57 * alf Peg PM* 23 04 45.65345 +15 12 18.9617 2.38 2.44 2.48 2.47 2.50 A0IV 367 0

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