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Sofia Feltzing

Professor

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The Gaia-ESO survey : The selection function of the Milky Way field stars

Författare

  • E. Stonkute
  • S. E. Koposov
  • L. M. Howes
  • S. Feltzing
  • C. C. Worley
  • G. Gilmore
  • G. R. Ruchti
  • G. Kordopatis
  • S. Randich
  • T. Zwitter
  • T. Bensby
  • A. Bragaglia
  • R. Smiljanic
  • M. T. Costado
  • G. Tautvaišiene
  • A. R. Casey
  • A. J. Korn
  • A. C. Lanzafame
  • E. Pancino
  • E. Franciosini
  • A. Hourihane
  • P. Jofré
  • C. Lardo
  • J. Lewis
  • L. Magrini
  • L. Monaco
  • L. Morbidelli
  • G. G. Sacco
  • L. Sbordone
Visa allt

Summary, in English

The Gaia-ESO Survey was designed to target all major Galactic components (i.e. bulge, thin and thick discs, halo and clusters), with the goal of constraining the chemical and dynamical evolution of the MilkyWay. This paper presents the methodology and considerations that drive the selection of the targeted, allocated and successfully observed Milky Way field stars. The detailed understanding of the survey construction, specifically the influence of target selection criteria on observed MilkyWay field stars is required in order to analyse and interpret the survey data correctly. We present the target selection process for the Milky Way field stars observed with Very Large Telescope/Fibre Large Array Multi Element Spectrograph and provide the weights that characterize the survey target selection. The weights can be used to account for the selection effects in the Gaia-ESO Survey data for scientific studies. We provide a couple of simple examples to highlight the necessity of including such information in studies of the stellar populations in the Milky Way.

Avdelning/ar

  • Astronomi - Har omorganiserats

Publiceringsår

2016-07-21

Språk

Engelska

Sidor

1131-1146

Publikation/Tidskrift/Serie

Monthly Notices of the Royal Astronomical Society

Volym

460

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Oxford University Press

Ämne

  • Astronomy, Astrophysics and Cosmology

Nyckelord

  • Galaxy: evolution
  • Stars: general
  • Surveys
  • Techniques: spectroscopic

Status

Published

Projekt

  • Gaia-ESO Survey

ISBN/ISSN/Övrigt

  • ISSN: 0035-8711