VISTA variable survey in the Milky Way

M. Hempel, D. Minniti, R. Saito, P. Pietrukowicz, P. W. Lucas

Resultado de la investigación: Article

Resumen

Over the next 5 years the VVV collaboration (Vista Variable in the Via Lactea) will conduct an extensive survey of the galactic bulge and disk in the near-IR, using the new VISTA telescope. This public survey covers a field of 520 sqr. deg, including not only regions of high star formation, but also 33 known globular clusters and ∼350 open clusters. The final product will be a deep IR atlas in 5 passbands for ∼109 point sources among which we expect 106 variable stars. These will be produce a 3-D map of the surveyed region using well-understood primary distance indicators such as RR Lyrae stars. The observations will be combined with data from MACHO, OGLE, EROS, VST, Spitzer, HST, Chandra, Integral, and ALMA for a complete understanding of the variable sources in the inner Milky Way. Several important implications for the history of the Milky Way, for globular cluster evolution, for the population census of the bulge and center, and for the pulsation theory will follow from this survey.

Idioma originalEnglish
Páginas (desde-hasta)287-290
Número de páginas4
PublicaciónProceedings of the International Astronomical Union
Volumen5
N.ºS262
DOI
EstadoPublished - ago 2009

Huella dactilar

globular clusters
EROS (satellites)
massive compact halo objects
census
galactic bulge
variable stars
open clusters
atlas
point sources
point source
star formation
histories
telescopes
stars
products
history
indicator
product
public

ASJC Scopus subject areas

  • Astronomy and Astrophysics

Citar esto

Hempel, M. ; Minniti, D. ; Saito, R. ; Pietrukowicz, P. ; Lucas, P. W. / VISTA variable survey in the Milky Way. En: Proceedings of the International Astronomical Union. 2009 ; Vol. 5, N.º S262. pp. 287-290.
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abstract = "Over the next 5 years the VVV collaboration (Vista Variable in the Via Lactea) will conduct an extensive survey of the galactic bulge and disk in the near-IR, using the new VISTA telescope. This public survey covers a field of 520 sqr. deg, including not only regions of high star formation, but also 33 known globular clusters and ∼350 open clusters. The final product will be a deep IR atlas in 5 passbands for ∼109 point sources among which we expect 106 variable stars. These will be produce a 3-D map of the surveyed region using well-understood primary distance indicators such as RR Lyrae stars. The observations will be combined with data from MACHO, OGLE, EROS, VST, Spitzer, HST, Chandra, Integral, and ALMA for a complete understanding of the variable sources in the inner Milky Way. Several important implications for the history of the Milky Way, for globular cluster evolution, for the population census of the bulge and center, and for the pulsation theory will follow from this survey.",
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VISTA variable survey in the Milky Way. / Hempel, M.; Minniti, D.; Saito, R.; Pietrukowicz, P.; Lucas, P. W.

En: Proceedings of the International Astronomical Union, Vol. 5, N.º S262, 08.2009, p. 287-290.

Resultado de la investigación: Article

TY - JOUR

T1 - VISTA variable survey in the Milky Way

AU - Hempel, M.

AU - Minniti, D.

AU - Saito, R.

AU - Pietrukowicz, P.

AU - Lucas, P. W.

PY - 2009/8

Y1 - 2009/8

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KW - Galaxy: disk

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KW - Stars: variables: other

KW - Surveys

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