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.

Credit:

ESO

Over de afbeelding

Id:eso0034c
Type:Observatie
Publicatiedatum:17 oktober 2000
Gerelateerde berichten:eso0034
Grootte:2605 x 2109 px

Over het object

Naam:GRB 000131
Type:Early Universe : Cosmology : Phenomenon : Gamma Ray Burst
Afstand:z=4.5 (roodverschuiving)
Categorie:Cosmology

Afbeeldingstypen

Grote JPEG
69,3 KB

Kleuren & filters

BandTelescoop
OptischVery Large Telescope
FORS1

Exposure time: 10800s