SIMBAD references

2018MNRAS.475.4745M - Mon. Not. R. Astron. Soc., 475, 4745-4767 (2018/April-3)

The eclipsing binary star RZ Cas: accretion-driven variability of the multimode oscillation spectrum.

MKRTICHIAN D.E., LEHMANN H., RODRIGUEZ E., OLSON E., KIM S.-L., KUSAKIN A.V., LEE J.W., YOUN J.-H., KWON S.-G., LOPEZ-GONZALEZ M.J., JANIASHVILI E., TIWARI S.K., JOSHI S., LAMPENS P., VAN CAUTEREN P., GLAZUNOVA L., GAMAROVA A., GRANKIN K.N., ROVITHIS-LIVANIOU E., SVOBODA P., UHLAR R., TSYMBAL V., KOKUMBAEVA R., URUSHADZE T., KURATOV K., SHIN H.-C., KANG Y.-W. and SOONTHORNTHUM B.

Abstract (from CDS):

We analysed photometric time series of the active, semidetached Algol-type system RZ Cas obtained in 1999-2009, in order to search for seasonal and short-term variations in the oscillation spectrum of RZ Cas A. The orbital period shows ±1 s cyclic variations on time-scales of 6-9 years. We detected six low-degree p-mode oscillations with periods between 22.3 and 26.22 min and obtained safe mode identifications using the periodic spatial filter method. The amplitudes and frequencies of all modes vary.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): binaries: eclipsing - stars: oscillations

Simbad objects: 82

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