2005A&A...429L..55R

C.D.S. - SIMBAD4 rel 1.7 - 2021.04.21CEST17:12:34

2005A&A...429L..55R - Astronomy and Astrophysics, volume 429, L55-58 (2005/1-3)

Rotational periods of four roAp stars.

RYABCHIKOVA T., WADE G.A., AURIERE M., BAGNULO S., DONATI J.-F., JEFFERS S.V., JOHNSON N., LANDSTREET J.D., LIGNIERES F., LUEFTINGER T., MARSDEN S., MOUILLET D., PALETOU F., PETIT P., REEGEN P., SILVESTER J., STRASSER S. and TOQUE N.

Abstract (from CDS):

Forty-five new measurements of the mean longitudinal magnetic fields and mean equivalent widths of 4 roAp stars have obtained using the MuSiCoS spectropolarimeter at Pic du Midi observatory. These new high-precision data have been combined with archival measurements in order to constrain the rotational periods of HD 12098, HD 24712 = HR 1217, HD 122970 and HD 176232 = 10 Aql. We report a revised rotational period for HD 24712 (P_rot=12.45877±0.00016d, crucial for interpretation of upcoming MOST observations of this star), new rotational periods for HD 12098 and HD 122970 (P_rot=5.460±0.001d and P_rot=3.877±0.001d, respectively) and evidence for an extremely long period for HD 176232.

Abstract Copyright: ∼

Journal keyword(s): stars: individual: HD 12098, HD 24712, HD 122970, HD 176232 - stars: peculiar - magnetic fields

Simbad objects: 4

Full paper

View the reference in ADS

Number of rows : 4

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2021
1	HD 12098	a2*	02 00 40.1774521766	+58 31 37.130534305		8.47	8.08	8.758	~	48
2	V* DO Eri	a2*	03 55 16.1314636284	-12 05 56.729555672	6.35	6.32	6.00		A9VpSrEuCr	383
3	V* PP Vir	a2*	14 04 48.9378026422	+05 24 51.462293664		8.70	8.29		F0	73
4	* 10 Aql	a2*	18 58 46.9239770704	+13 54 23.944546333	6.23	6.14	5.89		A7VpSrEu_Ksn	275

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