A galaxy seen when the Universe was only 840 million years old

The red speck at the centre of this very deep image from the ESO Very Large Telescope shows the galaxy NTTDF-6345, one of the most distant ever to have had its distance measured accurately. This extremely faint object is one of five that have been used to chart the timeline of the reionisation of the Universe about 13 billion years ago.

Crediti:

ESO/ L. Pentericci

A proposito dell'immagine

Identificazione:eso1138c
Tipo:Osservazione
Data di pubblicazione:Mercoledì 12 Ottobre 2011 12:00
Notizie relative:eso1138
Dimensione:800 x 800 px

A proposito delll'oggetto

Nome:NTTDF-474
Tipo:Early Universe : Galaxy
Distanza:z=6.7 (redshift (spostamento verso il rosso))
Categoria:Galaxies

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Colori e filtri

BandaLunghezza d'ondaTelescopio
Ottico
B
435 nmVery Large Telescope
FORS2
Ottico
V
555 nmVery Large Telescope
FORS2
Ottico
R
675 nmVery Large Telescope
FORS2
Infrarosso
I
775 nmVery Large Telescope
FORS2
Infrarosso
Z
850 nmVery Large Telescope
FORS2
Infrarosso
Y
1.02 μmVery Large Telescope
FORS2
Infrarosso
K
2.2 μmVery Large Telescope
FORS2
Infrarosso
J
1.1 μmVery Large Telescope
FORS2

 

Vedere anche