Merging galaxies in the distant Universe through a gravitational magnifying glass

The Atacama Large Millimeter/submillimeter Array (ALMA) and many other telescopes on the ground and in space have been used to obtain the best view yet of a collision that took place between two galaxies when the Universe was only half its current age. The astronomers enlisted the help of a galaxy-sized magnifying glass to reveal otherwise invisible detail. These new studies of the galaxy H-ATLAS J142935.3-002836 have shown that this complex and distant object looks like the well-known local galaxy collision, the Antennae Galaxies.

In this picture you can see the foreground galaxy that is doing the lensing, which resembles how our home galaxy, the Milky Way, would appear if seen edge-on. But around this galaxy there is an almost complete ring — the smeared out image of a star-forming galaxy merger far beyond.

This picture combines the views from the NASA/ESA Hubble Space Telescope and the Keck-II telescope on Hawaii (using adaptive optics) along with the ALMA images shown in red. The ALMA data also give information about the motions of the material in the distant merging galaxies and were vital in unravelling the complex object.

Të drejtat:

ALMA (ESO/NAOJ/NRAO)/NASA/ESA/W. M. Keck Observatory

Rreth fotografisë

Data e Publikimit:Gus 26, 2014, 18:00 CEST
Publikime të ngjashme:eso1426
Përmasat:612 x 612 px

Rreth objektit

Emri:H-ATLAS J142935.3-002836
Tipi:Early Universe : Galaxy : Type : Interacting

Formate Fotografish

JPEG i madh
58,4 KB


Position (RA):14 29 34.79
Position (Dec):0° 28' 33.97"
Field of view:0.11 x 0.11 arcminutes
Orientimi:Veriu është 10.6° majtas vertikales

Ngjyra & filtera

Infra të kuqe
Hubble Space Telescope
Infra të kuqe
W. M. Keck Observatory
Infra të kuqe
W. M. Keck Observatory
MilimetërAtacama Large Millimeter/submillimeter Array