par Pourbaix, Dimitri ;Knapp, Gillian;Gunn, James E.;Lupton, Robert H.;Ivezic, Zeljko;Siopis, Christos ;Rigaux, Morgane ;Rubbens, Anne
Référence Astronomy & astrophysics, 591, A96 (6pp)
Publication Publié, 2016-06-21
Article révisé par les pairs
Résumé : Aims. The Sloan Digital Sky Survey (SDSS) offers a unique possibility of not only detecting colour induced displacement (CID) double stars but also confirming these detections. Methods. Successive cuts are applied to the SDSS data release (DR) 12 database to reduce the size of the sample under consideration. The resulting dataset is then screened with a criterion based on the distance and orientation of the photocentres in different photometric bands. Results. About 3200 distinct objects are classified as CID double stars, 40 of which are confirmed with at least a second detection. A consistency check further validates these detections.

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