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ESO imaging survey. IV. Multicolor analysis of point-like objects toward the South Galactic Pole

  • S. Zaggia
  • , I. Hook
  • , R. Mendez
  • , L. Da Costa
  • , L. F. Olsen
  • , M. Nonino
  • , A. Wicenec
  • , C. Benoist
  • , E. Deul
  • , T. Erben
  • , M. D. Guarnieri
  • , R. Hook
  • , I. Prandoni
  • , M. Scodeggio
  • , R. Slijkhuis
  • , R. Wichmann

Research output: Contribution to journalReview articlepeer-review

Abstract

This paper presents preliminary lists of potentially interesting point-like sources extracted from multicolor data obtained for a 1.7 square degree region near the South Galactic Pole. The region has been covered by the ESO Imaging Survey (EIS) in B, V and I and offers a unique combination of area and depth. These lists, containing a total of 330 objects nearly all brighter than I ∼ 21.5, over 1.27 square degrees (after removing some bad regions), are by-products of the process of verification and quality control of the object catalogs being produced. Among the color selected targets are candidate very low mass stars/brown dwarfs (54), white-dwarfs (32), and quasars (244). In addition, a probable fast moving asteroid was identified. The objects presented here are natural candidates for follow-up spectroscopic observations and illustrate the usefulness of the EIS data for a broad range of science and for providing possible samples for the first year of the VLT.

Original languageEnglish
Pages (from-to)75-81
Number of pages7
JournalAstronomy and Astrophysics Supplement Series
Volume137
Issue number1
DOIs
Publication statusPublished - 2 May 1999
Externally publishedYes

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