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

About the Image

Id:eso0034c
Type:Observation
Release date:17 October 2000
Related releases:eso0034
Size:2605 x 2109 px

About the Object

Name:GRB 000131
Type:Early Universe : Cosmology : Phenomenon : Gamma Ray Burst
Distance:z=4.5 (redshift)
Category:Cosmology

Image Formats

Large JPEG
69.3 KB
Screensize JPEG
94.2 KB

Colours & filters

BandTelescope
OpticalVery Large Telescope
FORS1

Exposure time: 10800s