2023AstBu..78..152R

Query : 2023AstBu..78..152R

2023AstBu..78..152R - Astrophys. Bull., 78, 152-164 (2023/April-0)

Magnetic Stars in Clusters of Different Ages. II. Open Clusters IC 4756, α Per and NGC 7092.

ROMANYUK I.I., MOISEEVA A.V., YAKUNIN I.A. and AITOV V.N.

Abstract (from CDS):

This paper presents the results of magnetic field measurements for 19 chemically peculiar stars in three open star clusters IC 4756, alpha Per and NGC 7092.More than 80 spectra of circularly polarized radiation were obtained with the Main Stellar Spectrograph (MSS) at the 6-m BTA telescope of SAO RAS. It was found that the magnetic field value in these clusters is more than three times less than in the young Orion OB1 association. Apparently, unique conditions developed in this association allowed the generation of super-strong magnetic field during the formation of stars.

Abstract Copyright: ∼

Journal keyword(s): stars: magnetic field-stars: chemically peculiar-open clusters and associations: individual: IC 4756, αPer and NGC 7092

Simbad objects: 19

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Number of rows : 19
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 HD 19805 * 03 13 05.2560841728 +49 00 33.855831288   8.07 7.96     B9.5V 101 0
2 HD 20135 ** 03 16 01.9159668360 +48 01 40.437111108   8.29 8.09     A0p 44 0
3 BD+49 916 Em* 03 24 17.3030240592 +49 39 59.886087408 10.827 9.71 9.68     B3p_sh 22 0
4 HD 21620 EB* 03 31 29.3403535800 +49 12 35.181649440 6.390 6.350 6.280     A0Vn 69 0
5 HD 21699 Pu* 03 32 08.6084197968 +48 01 24.528548676 4.81 5.355 5.461     B9III 220 0
6 BD+49 967 Pe* 03 33 54.3645153816 +50 17 47.947459164   9.87 9.53     kA2hA8mA8Sr 56 0
7 HD 22136 V* 03 35 58.4902578816 +47 05 27.699737244   6.842 6.873     B8V 108 0
8 HD 22401 * 03 38 15.5822862528 +47 34 37.125835932   7.47 7.46     A0V 104 0
9 HD 171586 a2* 18 35 36.4929240936 +04 56 09.562670484 6.52 6.53 6.46     A0VpSrSi 84 0
10 V* QV Ser a2* 18 36 29.6322862008 +05 17 19.214997756 7.60 7.86 7.84     A0p 60 0
11 HD 171931 * 18 37 15.7313771880 +05 19 04.343231028 8.96 9.34 9.19     ~ 22 0
12 HD 172012 * 18 37 39.2470892784 +05 31 54.844416084 9.08 9.34 9.19     A0III+ 26 0
13 HD 172248 * 18 39 03.4705552560 +05 27 31.158524232 8.55 9.04 8.97     ~ 19 0
14 HD 172271 a2* 18 39 03.5660965344 +05 35 20.299185456 8.94 9.12 9.07     ~ 25 0
15 HD 205073 ** 21 31 23.1745629 +48 21 23.366871   7.89 7.85     A1p 79 0
16 HD 205116 SB* 21 31 42.3843145968 +48 35 04.624183104   6.792 6.827     A0III: 84 0
17 HD 205117 SB* 21 31 44.6502581400 +48 29 03.673932900   7.65 7.65     A1p 85 0
18 HD 205198 * 21 32 14.6572225536 +48 38 22.205080932   8.31 8.26     A0V 63 0
19 HD 205331 * 21 33 10.1106852720 +48 18 12.264702120 6.800 6.820 6.830     A1V 77 0

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