CCD search for Cepheids in Crux and Centaurus : II/162

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Authors : Caldwell J.A.R. orcid , Keane M.J., Schechter P.L. (hide) , Keane M.J., Schechter P.L. et..al

VizieR DOI :
Bibcode : 1991AJ....101.1763C (ADS) (Simbad) (Objects)
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CDS Keywords : Stars, variable; Photometry
UAT : Variable stars, Photometry

Observation (OC)

Records : 300308 stars

Inserted into VizieR : 22-Dec-2002
Last modification : 06-Mar-2013

A scanner CCD search for Cepheids and other variables in Crux and Centaurus. (1991)

Keywords :

Abstract:This catalog contains the results of a photometric survey for variable stars in a 9.4 square degree region along the galactic plane in Crux and Centaurus. A total of 300308 stars were observed at seven epochs over 42 days; 224 524 of these stars were detected at multiple epochs and were tested for possible variations in brightness that exceed observational error. 2422 stars are identified as variable at a formal confidence level of 99%; 270 of the new variables brighter than I=14.0 are classified as long period variables. A list of 242 likely short period variables with RMS amplitudes >=0.060mag is given. From this list, 37 Cepheid candidates were selected after inspection of their light curves. ...(more)
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