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News Release Archive:

News Release 22 of 961

May 1, 2014 01:00 PM (EDT)

News Release Number: STScI-2014-21

Hubble Astronomers Check the Prescription of a Cosmic Lens

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Image: Remote Supernova Magnified by Massive Galaxy Cluster Abell 383

Remote Supernova Magnified by Massive Galaxy Cluster Abell 383STScI-PRC2014-21b

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ABOUT THIS IMAGE:

The heart of a vast cluster of galaxies called Abell 383 is shown in this image, taken in visible and near-infrared light by NASA's Hubble Space Telescope.

The galaxy cluster is so massive that its gravity distorts, brightens, and magnifies light from more-distant objects behind it, an effect called gravitational lensing. The small white box at left marks the location of an exploding star called a supernova, located behind the cluster.

An enlarged view of the supernova, nicknamed Tiberius after the first century Roman emperor, is shown in the inset image at top right, taken on Jan. 18, 2011. The arrow pinpoints the supernova's location. The bright material beneath it is part of the host galaxy. The supernova is seen as it appeared 8 billion years ago.

The inset image at top left, taken in November 2010, shows the same region before the supernova blast. This image underscores the transient nature of exploding stars.

Both inset images were taken in visible light with Hubble's Advanced Camera for Surveys.

The supernova is one of three exploding stars discovered in the Cluster Lensing And Supernova survey with Hubble (CLASH), and was followed up as part of a Supernova Cosmology Project HST program. CLASH is a Hubble census that probed the distribution of dark matter in 25 galaxy clusters. Dark matter cannot be seen directly but is believed to make up most of the universe's matter.

The image of the galaxy cluster was taken between November 2010 and February 2011 by Hubble's Wide Field Camera 3 and Advanced Camera for Surveys.

Object Name: Abell 383

Image Type: Astronomical/Annotated

Credit: NASA, ESA, C. McCully (Rutgers University), A. Koekemoer (STScI), M. Postman (STScI), A. Riess (STScI/JHU), S. Perlmutter (UC Berkeley, LBNL), J. Nordin (NBNL, UC Berkeley), and D. Rubin (Florida State University)

NEWS RELEASE IMAGES

The above montage includes these images:

Galaxy Cluster Abell 383 Image Type: Astronomical Galaxy Cluster Abell 383 Supernova Tiberius (Before Outburst) Image Type: Astronomical Supernova Tiberius (Before Outburst) Supernova Tiberius (After Outburst) Image Type: Astronomical Supernova Tiberius (After Outburst)

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