The image on the left is
the galaxy cluster MACS J1149.5 +2223 from the Frontier Fields program.
While originally observing
galaxy cluster MACS J1149 +2223, 5 billion light years away, using the Hubble Space Telescope, the researchers noticed a flickering light in the background.
We find good agreement in the regions of ove... ▽ More We derive an accurate mass distribution of
the galaxy cluster MACS J1206.2 - 0847 (z = 0.439) from a combined weak - lensing distortion, magnification, and strong - lensing analysis of wide - field Subaru BVRIz» imaging and our recent 16 - band Hubble Space Telescope observations taken as part of the Cluster Lensing And Supernova survey with Hubble (CLASH) program.
Abstract: We derive an accurate mass distribution of
the galaxy cluster MACS J1206.2 - 0847 (z = 0.439) from a combined weak - lensing distortion, magnification, and strong - lensing analysis of wide - field Subaru BVRIz» imaging and our recent 16 - band Hubble Space Telescope observations taken as part of the Cluster Lensing And Supernova survey with Hubble (CLASH) program.
While making a routine search of the GLASS team's data, Kelly spotted the four images of the exploding star on Nov. 11, 2014, in
the galaxy cluster MACS J1149.6 +2223, located more than 5 billion light - years away.
Massive
galaxy cluster MACS J0416 seen in X-rays (blue), visible light (red, green, and blue), and radio light (pink).
The supernova, nicknamed Refsdal [1], has been spotted in
the galaxy cluster MACS J1149.5 +2223.
Acting as a «natural telescope» in space, the gravity of the extremely massive foreground
galaxy cluster MACS J2129 - 0741 magnifies, brightens, and distorts the far - distant background galaxy MACS2129 - 1, shown in the top box.
Not exact matches
Patrick Kelly at the University of California, Berkeley and his colleagues found the star in Hubble Space Telescope images of a
galaxy cluster called
MACS J1149.
As part of its Frontier Fields program, Hubble observed a very massive
cluster of
galaxies,
MACS J0416.1 - 2403, located roughly 4 billion light - years away and weighing as much as a million billion suns.
Some 60 million light - years in length, this thread funnels all kinds of matter — visible and not — from intergalactic space into a giant
cluster of
galaxies called
MACS J0717.5 +3745.
Caption: In the big image at left, the many
galaxies of a massive
cluster called
MACS J1149 +2223 dominate the scene.
Gravitational lensing by the giant
cluster brightened the light from the newfound
galaxy, known as
MACS 1149 - JD, some 15 times.
In November 2014, Hubble's Frontier Fields program caught sight of a supernova called «Refsdal» while examining the
MACS J1149.5 +2223
galaxy cluster.