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.

Crediti:

ESO

A proposito dell'immagine

Identificazione:eso0034c
Tipo:Osservazione
Data di pubblicazione:17 Ottobre 2000
Notizie relative:eso0034
Dimensione:2605 x 2109 px

A proposito delll'oggetto

Nome:GRB 000131
Tipo:Early Universe : Cosmology : Phenomenon : Gamma Ray Burst
Distanza:z=4.5 (redshift (spostamento verso il rosso))
Categoria:Cosmology

Formati delle immagini

JPEG grande
69,3 KB

Colori e filtri

BandaTelescopio
OtticoVery Large Telescope
FORS1

Exposure time: 10800s