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

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About the Image

Id:eso0034c
Type:Observation
Release date:17 October 2000
Related releases:eso0034
Size:718 x 584 px

About the Object

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

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Colours & filters

BandTelescope
Optical Very Large Telescope
FORS1

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