Revisiting the quasar without a home

Colour composite image of a peculiar object, the nearby quasar HE0450-2958, which is the only one for which no sign of a host galaxy has yet been detected. A team of astronomers has identified black hole jets as a possible driver of galaxy formation, which may also represent the long-sought missing link to understanding why the mass of black holes is larger in galaxies that contain more stars. The mid-infrared part of this image was obtained with the VISIR instrument on ESO’s Very Large Telescope, while the visible image comes courtesy of the Hubble Space Telescope and the Advanced Camera for Surveys.

Herkunftsnachweis:

ESO

Über das Bild

ID:eso0946b
Typ:Beobachtung
Veröffentlichungsdatum:30. November 2009
Dazugehörige Veröffentlichungen:eso0946
Größe:331 x 331 px

Über das Objekt

Name:HE0450-2958
Typ:Local Universe : Galaxy : Activity : AGN : Quasar
Entfernung:z=0.286 (Rotverschiebung)
Constellation:Caelum
Kategorie:Quasars and Black Holes

Bildformate

Großes JPEG
47,5 KB

Bildschirm-Hintergrundbilder

1024x768
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1280x1024
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Koordinaten

Position (RA):4 52 30.10
Position (Dec):-29° 53' 35.57"
Field of view:0.10 x 0.10 arcminutes
Orientierung:Die Nordrichtung liegt 1.8° rechts zur Vertikale

Farben & Filter

SpektralbereichWellenlängeTeleskop
Infrarot
Mid-IR
Very Large Telescope
VISIR
Optisch
V
606 nmHubble Space Telescope
ACS

 

Siehe auch