BVIc light curves of SZ Cam (Tamajo+, 2012)

Details BVIc light curves of SZ Cam (Tamajo+, 2012) BVIc light curves of SZ Cam (Tamajo+, 2012)

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ycat..35399139t&link_type=abstract

VizieR On-line Data Catalog: J/A+A/539/A139. Originally published in: 2012A&A...539A.139T

Computer Science

Binaries: Eclipsing, Photometry: Ubvri

Scientific paper

We present a spectroscopic and photometric analysis of the multiple system and early-type eclipsing binary SZ Cam (O9 IV + B0.5 V), which consists of an eclipsing SB2 pair of orbital period P=2.7-days in a long orbit (~55yrs) around a non-eclipsing SB1 pair of orbital period P=2.8-days. We have reconstructed the spectra of the individual components of SZ Cam from the observed composite spectra using the technique of spectral disentangling. We used them together with extensive and accurate BV IC CCD photometry to obtain an orbital solution. Our photometry revealed the presence of a beta Cep variable in the SZ Cam hierarchical system, probably located within the non-eclipsing SB1 pair. The pulsation period is 0.33265+/-0.00005-days and the observed total amplitude in the B band is 0.0105+/-0.0005mag. NLTE analysis of the disentangled spectra provided atmospheric parameters for all three components, consistent with those derived from orbital solution.
(1 data file).

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