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.

Kilde:

ESO

Om billedet

Id:eso0034c
Type:Observation
Udgivelsesdato:17. oktober 2000
Relaterede pressemeddelelser:eso0034
Størrelse:2605 x 2109 px

Om objektet

Navn:GRB 000131
Type:Early Universe : Cosmology : Phenomenon : Gamma Ray Burst
Afstand:z=4.5 (rødforskydning)
Kategori:Cosmology

Billedformater

Stor JPEG
69,3 KB
Skrærm JPEG
94,2 KB

Farver & filtre

BåndTeleskop
OptiskVery Large Telescope
FORS1

Exposure time: 10800s