SIMBAD references

2005MNRAS.360..314R - Mon. Not. R. Astron. Soc., 360, 314-321 (2005/June-2)

RApid Temporal Survey (RATS) - I. Overview and first results.

RAMSAY G. and HAKALA P.

Abstract (from CDS):

We present the aim and first results of the RApid Temporal Survey (RATS) made using the Wide Field Camera on the Isaac Newton Telescope. Our initial survey covers 3 square degrees, reaches a depth of V∼ 22.5 and is sensitive to variations on time-scales as short as 2 min: this is a new parameter space. Each field was observed for over 2 h in white light, with 12 fields being observed in total. Our initial analysis finds 45 targets which show significant variations. Around half of these systems show quasi-sinusoidal variations: we believe they are contact or short period binaries. We find four systems which show variations on a time-scale less than 1h. The shortest period system has a period of 374s. We find two systems which show a total eclipse. Further photometric and spectroscopic observations are required to fully identify the nature of these systems. We outline our future plans and objectives.

Abstract Copyright: 2005 RAS

Journal keyword(s): methods: data analysis - techniques: photometric - surveys - Galaxy: stellar content - stars: binaries: general - stars: variables: other

Nomenclature: Table 2: RAT JHHMM+DDMM N=45.

Simbad objects: 46

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