Robust detection of CID double stars in SDSS

D. Pourbaix; G. R. Knapp; J. E. Gunn; R. H. Lupton; Z. Ivezić; C. Siopis; M. Rigaux; A. Rubbens

doi:10.1051/0004-6361/201628688

Robust detection of CID double stars in SDSS

D. Pourbaix, G. R. Knapp, J. E. Gunn, R. H. Lupton, Z. Ivezić, C. Siopis, M. Rigaux, A. Rubbens

Astrophysical Sciences

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Abstract

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.

Original language	English (US)
Article number	A96
Journal	Astronomy and Astrophysics
Volume	591
DOIs	https://doi.org/10.1051/0004-6361/201628688
State	Published - 2016

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Astrometry
Binaries: general
Methods: data analysis

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10.1051/0004-6361/201628688

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title = "Robust detection of CID double stars in SDSS",

abstract = "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.",

keywords = "Astrometry, Binaries: general, Methods: data analysis",

author = "D. Pourbaix and Knapp, {G. R.} and Gunn, {J. E.} and Lupton, {R. H.} and Z. Ivezi{\'c} and C. Siopis and M. Rigaux and A. Rubbens",

note = "Publisher Copyright: {\textcopyright} 2016 ESO.",

year = "2016",

doi = "10.1051/0004-6361/201628688",

language = "English (US)",

volume = "591",

journal = "Astronomy and Astrophysics",

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TY - JOUR

T1 - Robust detection of CID double stars in SDSS

AU - Pourbaix, D.

AU - Knapp, G. R.

AU - Gunn, J. E.

AU - Lupton, R. H.

AU - Ivezić, Z.

AU - Siopis, C.

AU - Rigaux, M.

AU - Rubbens, A.

PY - 2016

Y1 - 2016

N2 - 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.

AB - 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.

KW - Astrometry

KW - Binaries: general

KW - Methods: data analysis

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JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

M1 - A96

ER -

Robust detection of CID double stars in SDSS

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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