1318 new variable stars in Galactic plane Virtual Observatory Resource

Authors
  1. Miller V.R.
  2. Albrow M.D.
  3. Afonso C.
  4. Henning T.
  5. Published by
    CDS
Abstract

We have conducted a deep photometric survey of a 0.5deg*0.5deg area of the Galactic Plane using the WFI instrument on the 2.2-m ESO telescope on La Silla, Chile. The dataset comprises a total of 267 R-band images, 204 from a 16 day observation run in 2005, supplemented by 63 images from a six week period in 2002. Our reduction employed the new numerical kernel difference image analysis method as implemented in the pySIS3 code and resulted in more than 500000 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.

Keywords
  1. galaxy-planes
  2. milky-way-galaxy
  3. variable-stars
  4. eclipsing-binary-stars
Bibliographic source Bibcode
2010A&A...519A..12M
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/519/A12
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/519/A12
Document Object Identifer DOI
doi:10.26093/cds/vizier.35190012

Access

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https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/519/A12/table2?
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History

2010-09-08T14:11:52Z
Resource record created
2010-09-08T14:11:52Z
Created
2017-09-19T14:24:09Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr