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sommario  dettagli
Data/Ora Mon, 14 Aug 2017 10:46:21 +0000 IPTC: Caption Observations of “Jellyfish galaxies” with ESO’s Very Large Telescope have revealed a previously unknown way to fuel supermassive black holes. It seems the mechanism that produces the tentacles of gas and newborn stars that give these galaxies their nickname also makes it possible for the gas to reach the central regions of the galaxies, feeding the black hole that lurks in each of them and causing it to shine brilliantly. This picture of one of the galaxies, nicknamed JO204, from the MUSE instrument on ESO’s Very Large Telescope in Chile, shows clearly how material is streaming out of the galaxy in long tendrils to the lower-left. Red shows the glow from ionised hydrogen gas and the whiter regions are where most of the stars in the galaxy are located. Some more distant galaxies are also visible.
 
 
 
Galassia medusa JO204
Galassia medusa JO204 Bianca Poggianti Animazione JO194 Animazione JO201
Logo del progetto GASP

Galassia medusa JO204

Crediti: ESO/GASP collaboration

La “galassia medusa” JO204 osservata con lo strumento MUSE del Very Large Telescope dell’ESO, in CIle. I lunghi “tentacoli” in basso a sinistra sono i filamenti di materia che fuoriesce dalla galassia. Crediti: ESO/GASP collaboration

Data: 08/14/2017
 
 
 

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