Spectrum of the optical counterpart of GRB 000131

This image shows the spectrum of the afterglow of GRB 000131, obtained during a 3-hr exposure with the FORS1 multi-mode instrument at VLT ANTU on February 8, 2000. The "Lyman-alpha break" at wavelength 670.1 nm is indicated.

Technical information: The spectrum was obtained during a 3-hr exposure with the FORS1 multi-mode instrument at VLT ANTU on February 8, 2000, when the object's magnitude was only R = 25.3. The mean levels of the spectral continua on either side of the redshifted "Lyman-alpha break" at wavelength 670.1 nm are indicated.

Bildnachweis:

ESO

Über das Bild

ID:eso0034c
Typ:Beobachtung
Veröffentlichungsdatum:17. Oktober 2000
Dazugehörige Veröffentlichungen:eso0034
Größe:2605 x 2109 px

Über das Objekt

Name:GRB 000131
Typ:Early Universe : Cosmology : Phenomenon : Gamma Ray Burst
Entfernung:z=4.5 (Rotverschiebung)
Kategorie:Cosmology

Bildformate

Großes JPEG
69,3 KB

Farben & Filter

SpektralbereichTeleskop
OptischVery Large Telescope
FORS1

Exposure time: 10800s