SIMBAD references

2012ApJ...750...59L - Astrophys. J., 750, 59 (2012/May-1)

Geometrical constraints on the hot spot in beta Lyrae.

LOMAX J.R., HOFFMAN J.L., ELIAS II N.M., BASTIEN F.A. and HOLENSTEIN B.D.

Abstract (from CDS):

We present results from six years of recalibrated and new spectropolarimetric data taken with the University of Wisconsin's Half-Wave Spectropolarimeter and six years of new data taken with the photoelastic modulating polarimeter at the Flower and Cook Observatory of beta Lyrae. Combining these data with polarimetric data from the literature allows us to characterize the intrinsic BVRI polarized light curves. A repeatable discrepancy of 0.245 days (approximately 6 hr) between the secondary minima in the total light curve and the polarization curve in the V band, with similar behavior in the other bands, may represent the first direct evidence for an accretion hot spot on the disk edge.

Abstract Copyright: ∼

Journal keyword(s): accretion, accretion disks - binaries: eclipsing - stars: individual: beta Lyrae - techniques: polarimetric

VizieR on-line data: <Available at CDS (J/ApJ/750/59): table3.dat table4.dat>

Simbad objects: 4

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