Variable Stars from the OGLE-III Shallow Survey in the Large Magellanic Cloud
K. Ulaczyk1, M.K. Szyma�ski1, A. Udalski1,
M. Kubiak1, G. Pietrzy�ski1,2, I. Soszy�ski1,
�. Wyrzykowski1,3, R. Poleski1,4,
W. Gieren2, A.R. Walker5 and
A. Garcia-Varela6
1Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warszawa, Poland
e-mail: (kulaczyk,msz,udalski,mk,pietrzyn,soszynsk,wyrzykow,rpoleski)@astrouw.edu.pl
2Universidad de Concepci�n, Departamento de Astronomia,
Casilla 160-C, Concepci�n, Chile
e-mail: [email protected]
3Institute of Astronomy, University of Cambridge, Madingley
Road, Cambridge CB30HA, UK
4Department of Astronomy, The Ohio State University, 140
W. 18th Ave., Columbus, OH 43210, USA
5Cerro Tololo Inter-American Observatory, Casilla603,
LaSerena, Chile
e-mail: [email protected]
6Departamento de Fisica, Universidad de los Andes, Bogota,
Colombia
e-mail: [email protected]
Received: March 21, 2013
ABSTRACT
We describe variable stars found in the data collected
during the OGLE-III Shallow Survey covering the I-band magnitude
range from 9.7 mag to 14.5 mag. The main result is the extension of
period-luminosity relations for Cepheids up to 134 days. We also detected
82 binary systems and 110 long-period variables not present in the main
OGLE catalogs. Additionally 558 objects were selected as candidates for
miscellaneous variables.
Key words:
Magellanic Clouds - Surveys - Catalogs -
Cepheids - Stars: late type - binaries: eclipsing
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