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 |