
LEDA 1313424: The Bullseye Galaxy


LEDA 1313424: The Bullseye Galaxy
Image Credit:
NASA,
ESA,
Imad Pasha (Yale), Pieter van Dokkum (Yale)
Explanation:
The giant galaxy
cataloged as LEDA 1313424 is about two and a half times
the size of our own Milky Way.
Its remarkable appearance in this
recently released Hubble
Space Telescope image strongly suggests its
nickname “The Bullseye Galaxy”.
Known as a collisional ring galaxy it has
nine rings
confirmed by telescopic observations,
rippling
from its center like waves from a pebble dropped into a pond.
Of course, the pebble dropped into the Bullseye galaxy was a galaxy
itself.
Telescopic observations identify the blue dwarf galaxy at center-left
as the likely collider, passing through the giant galaxy’s
center and forming concentric rings in the wake of their
gravitational interaction.
The Bullseye Galaxy lies some 567 million light-years away toward the
constellation Pisces.
At that distance,
this stunning Hubble image would span about 530,000
light-years.
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