News from z ∼ 6 - 10 galaxy candidates found behind gravitational lensing clusters

D. Schaerer, A. Hempel, R. Pello, E. Egami, J. Richard, J. P. Kneib, M. Wise

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

Following up on the detailed results from our searches for z∼ 610 galaxies using gravitional lensing clusters descrived in Richard et al. (2006), we have obtained new observations, which are presented here. For a general overview of the project see Schaerer et al. (2006). First, deep HST/ACS observations in the z-band confirm 17 out of 18 high redshift candidates as optical drop-out objects; the remaining object appears faint and star-like. Second, Spitzer/IRAC images at 3.6, 4.5, 5.8 and 8.0 m have been obtained. 11 out of 18 candidates are in free, uncominated regions. These 11 high-z candidates are undetected, with upper limits which are compatible with their SED if these objects are blue star-forming galaxies at high redshift (see Fig. 1). In conclusion, our new observations corroborate so far the high-z nature of the majority of the candidates.

Idioma originalInglés
Páginas (desde-hasta)425
Número de páginas1
PublicaciónProceedings of the International Astronomical Union
Volumen2
N.ºS235
DOI
EstadoPublicada - ago 2006

Áreas temáticas de ASJC Scopus

  • Medicina (miscelánea)
  • Astronomía y astrofísica
  • Nutrición y dietética
  • Salud pública, medioambiental y laboral
  • Ciencias planetarias y espacial

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