SIMBAD references

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 (Prot=12.45877±0.00016d, crucial for interpretation of upcoming MOST observations of this star), new rotational periods for HD 12098 and HD 122970 (Prot=5.460±0.001d and Prot=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

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