1996A&AS..120..127B

Query : 1996A&AS..120..127B

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

goto View the references in ADS

Number of rows : 9
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 V* V524 Per BY* 03 18 58.6914978000 +48 50 42.355021776     13.609     K5 32 0
2 V* V526 Per BY* 03 19 57.6810280256 +49 52 06.826530073   13.16       ~ 35 0
3 V* V528 Per BY* 03 21 16.0681180463 +48 35 07.229481475   13.93       ~ 25 0
4 V* V529 Per BY* 03 22 06.8239849885 +47 34 06.690341597   12.76 11.64     K2 26 0
5 * alf Per V* 03 24 19.3700924 +49 51 40.245455 2.64 2.27 1.79     F5Ib 870 1
6 Cl Melotte 20 MGr 03 26 50.6 +48 51 48           ~ 928 0
7 V* V537 Per BY* 03 32 30.6927252072 +49 10 34.585590360   13.79 11.89     G8 44 0
8 V* V541 Per BY* 03 36 53.6599882956 +48 23 58.020425682   13.05 12.13 12.13   ~ 26 0
9 V* V543 Per BY* 03 45 43.4401119112 +46 18 04.316087715   12.75 11.58     ~ 26 0

To bookmark this query, right click on this link: simbad:objects in 1996A&AS..120..127B and select 'bookmark this link' or equivalent in the popup menu