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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 276690.0, MPI für Astronomie / Publikationen_mpia
The Wide Field Imager Lyman-Alpha search (WFILAS) for galaxies at redshift ~5.7. I. A spatially compact Ly_ emitting galaxy at redshift 5.721
Authors:Westra, E.; Jones, D. Heath; Lidman, C. E.; Athreya, R. M.; Meisenheimer, K.; Wolf, C.; Szeifert, T.; Pompei, E.; Vanzi, L.
Date of Publication (YYYY-MM-DD):2005
Title of Journal:Astronomy and Astrophysics
Journal Abbrev.:Astronomy and Astrophysics
Start Page:L21
End Page:L24
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We report the spectroscopic confirmation of a compact Lyalpha emitting galaxy at z=5.721. A FORS2 spectrum of the source shows a strong asymmetric line with a flux of 5_10-17 erg s-1 cm-2, making it one of the brightest Lyalpha emitting galaxies at this redshift, and a line-of-sight velocity dispersion of 400 km s-1. We also have a tentative detection of a second, narrower component that is redshifted by 400 km s-1 with respect to the main peak. A FORS2 image shows that the source is compact, with a FWHM of 0.5 arcsec, which corresponds to 3.2 kpc at this redshift. This source is a brighter example of <ASTROBJ>J1236.8+6215</ASTROBJ> (\citealt{Dawson02}, ApJ, 570, 92), another Lyalpha emitting galaxy at z~5.2.
Free Keywords:galaxies: high-redshift; galaxies: evolution; galaxies: starburst; galaxies: individual: J114334.98-014433.9
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL: bib_query?b... [ID No:1]
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