Zlatko Pepeonik (1934-2004)

Wyrzykowski, Jerzy

doi:10.18778/0867-5856.14.1.11

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2010

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“…During the past decade, many photometric surveys have been aimed at the detection of extrasolar planets via transits or microlensing. A byproduct of these programmes is the detection of large numbers of variable stars (Wozniak et al, 2002;Wyrzykowski et al, 2004;Soszynski et al, 2008aSoszynski et al, ,b, 2009Bayne et al, 2002;Albrow et al, 2001;Weldrake et al, 2004;Weldrake, Sackett & Bridges, 2007).…”

Section: Introductionmentioning

confidence: 99%

1318 new variable stars in a 0.25 square degree region of the Galactic plane

Miller¹,

Albrow²,

Afonso³

et al. 2010

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analysis method as implemented in the pysis3 code and resulted in more than 500 000 lightcurves of stars down to a magnitude limit of R ∼ 24.5. A search for variable stars resulted in the detection of 1318 variables of different types. 1011 of these are eclipsing or contact binary stars. A number of the contact binaries have low mass-ratios and several of the detached binaries appear to have low-mass components. Three candidate contact binaries have periods at the known cut off including two with periods lower than any previously published. Also identified are 3 possible pre-main sequence detached eclipsing binaries.

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