2001A&A...375..982A

Query : 2001A&A...375..982A

2001A&A...375..982A - Astronomy and Astrophysics, volume 375, 982-988 (2001/9-1)

On the rotation of the chemically peculiar magnetic star 56 Arietis.

ADELMAN S.J., MALANUSHENKO V., RYABCHIKOVA T.A. and SAVANOV I.

Abstract (from CDS):

This study used extensive sets of phase resolved photometric and spectroscopic data obtained by the authors and supplemented by that from the literature to investigate the light and equivalent width variations of the mCP star 56 Ari. Its rotational period is found to be increasing at a rate of about 2s per 100 years. In addition there is evidence for a second period whose length is about 5 years which is attributed to the precession of the axis of rotation.

Abstract Copyright: ∼

Journal keyword(s): stars: chemically peculiar - stars: variables: general - stars: rotation - stars: individual: 56 Ari

Simbad objects: 5

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Number of rows : 5
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 * 55 Ari Pu* 03 09 36.7408138152 +29 04 37.494648444 5.74 5.843 5.740     B8III 63 0
2 HD 19600 PM* 03 10 08.8395959400 +27 49 11.157358944   6.427 6.412     A0V 59 0
3 * 56 Ari a2* 03 12 14.2461137352 +27 15 25.085668788 5.22 5.64 5.76     B6IV-V 264 0
4 * alf02 CVn a2* 12 56 01.6655889007 +38 19 06.155170512 2.44 2.76 2.88 2.98 3.05 A0VpSiEu 682 0
5 V* CU Vir a2* 14 12 15.8055434051 +02 24 33.945178515 4.46 4.90 5.02 5.10 5.23 ApSi 389 0

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