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.

Oikeudet:

ESO

Kuvasta

Tunnistus:eso0034c
Tyyppi:Havainto
Julkaisupäivä:17. lokakuuta 2000
Vastaavat julkaisut:eso0034
Koko:2605 x 2109 px

Kohteesta

Nimi:GRB 000131
Tyyppi:Early Universe : Cosmology : Phenomenon : Gamma Ray Burst
Etäisyys:z=4.5 (punasiirtymä)
Kategoria:Cosmology

Kuvaformaatit

Suuri JPEG
69,3 KB
Kokoruudun JPEG
94,2 KB

Värit ja suotimet

KaistaTeleskooppi
OptinenVery Large Telescope
FORS1

Exposure time: 10800s