SIMBAD references

2007MNRAS.379L..60A - Mon. Not. R. Astron. Soc., 379, L60-L62 (2007/July-3)

TYC 1031 01262 1: the first known Galactic eclipsing binary with a Type II Cepheid component.

ANTIPIN S.V., SOKOLOVSKY K.V. and IGNATIEVA T.I.

Abstract (from CDS):

We present the discovery and CCD observations of the first eclipsing binary with a Type II Cepheid component in our Galaxy. The pulsation and orbital periods are found to be 4.1523 and 51.38 d, respectively, i.e. this variable is the system with the shortest orbital period among known Cepheid binaries. Pulsations dominate the brightness variations. The eclipses are assumed to be partial. The EB-subtype eclipsing light curve leads us to believe that the binary components are non-spherical.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): binaries: close - binaries: eclipsing - Cepheids

Simbad objects: 6

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