The Recognition of Unusual Objects in the Sloan Digital Sky Survey Color System
Open Access
- 1 November 1998
- journal article
- research article
- Published by IOP Publishing in Publications of the Astronomical Society of the Pacific
- Vol. 110 (753) , 1342-1355
- https://doi.org/10.1086/316264
Abstract
We present five‐filter photometry of 21 carbon stars; 15 asteroids; 15 cataclysmic variables; six metal‐poor stars; five Cepheids; 1775 field stars, blue horizontal‐branch (BHB) stars, and RR Lyrae stars in the globular clusters M15 and M2; two primary standards; and 19 secondary standards. The photometry was carried out using a filter set identical to that which will be used for the Sloan Digital Sky Survey. We find that carbon stars, CVs, R‐type, J‐type, and V‐type asteroids, BHB stars, and RR Lyr stars should be identifiable on the basis of Sloan Digital Sky Survey photometry alone, whereas Cepheids, metal‐poor stars, and many types of asteroids are indistinguishable from the stellar locus of field stars.Keywords
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