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The distant gamma-ray burst GRB 050904
Observations of the Gamma-Ray Burst GRB 050904 in different filters in the visible (z- and I-band) and near-infrared (J-, H-, and K-band). The observations were done with FORS2 and ISAAC on the 8.2m Antu (UT1) telescope, which is part of ESO's VLT at Paranal. The burst is seen in the lower middle. It is obvious that the GRB is much fainter in the I-band and becomes more and more brighter as the wavelength increases. This indicates the object is at a high redshift, hence, is very far away.
Crediti:ESO
A proposito dell'immagine
Identificazione: | eso0528b |
Tipo: | Osservazione |
Data di pubblicazione: | 12 Settembre 2005 |
Notizie relative: | eso0528 |
Dimensione: | 1247 x 271 px |
A proposito delll'oggetto
Nome: | GRB050904 |
Tipo: | Early Universe : Cosmology : Phenomenon : Gamma Ray Burst |
Distanza: | z=6.3 (redshift (spostamento verso il rosso)) |
Categoria: | Cosmology |
Colori e filtri
Banda | Telescopio |
---|---|
Infrarosso Z | Very Large Telescope FORS2 |
Infrarosso I | Very Large Telescope FORS2 |
Infrarosso K | Very Large Telescope ISAAC |
Infrarosso H | Very Large Telescope ISAAC |
Infrarosso J | Very Large Telescope ISAAC |