SIMBAD references

1996A&AS..120..127B - Astron. Astrophys., Suppl. Ser., 120, 127-138 (1996/November-2)

UBVRI photometric monitoring of 7 rapidly rotating late-type dwarfs in the Alpha Persei cluster.

BOUVIER J.

Abstract (from CDS):

The UBVRI light curves of 7 late-type dwarfs amongst the fastest rotators of the Alpha Per cluster (vsini≥140km/s) are presented. The shape of the light curves suggests that the photometric variations are most often dominated by a single group of cool spots located at intermediate or high latitude on the stellar surface. Assuming that starspots are good tracers of the stellar magnetic field, the smooth light curves indicate the existence of a large scale, slowly varying magnetic structure at the surface of these ultrafast rotators.

Abstract Copyright: ∼

Journal keyword(s): stars: magnetic fields - stars: rotation - stars: activity - stars: late type - open clusters and associations: individual: Alpha Persei

VizieR on-line data: <Available at CDS (J/A+AS/120/127): table>

Simbad objects: 9

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