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News Release Archive:

News Release 287 of 966

April 24, 2008 09:00 AM (EDT)

News Release Number: STScI-2008-16

Cosmic Collisions Galore!

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Image: Hubble Interacting Galaxy Arp 148

Hubble Interacting Galaxy Arp 148

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ABOUT THIS IMAGE:

Arp 148 is the staggering aftermath of an encounter between two galaxies, resulting in a ring-shaped galaxy and a long-tailed companion. The collision between the two parent galaxies produced a shockwave effect that first drew matter into the center and then caused it to propagate outwards in a ring. The elongated companion perpendicular to the ring suggests that Arp 148 is a unique snapshot of an ongoing collision. Infrared observations reveal a strong obscuration region that appears as a dark dust lane across the nucleus in optical light. Arp 148 is nicknamed Mayall s object and is located in the constellation of Ursa Major, the Great Bear, approximately 500 million light-years away. This interacting pair of galaxies is included in Arp's catalog of peculiar galaxies as number 148.

This image is part of a large collection of 59 images of merging galaxies taken by the Hubble Space Telescope and released on the occasion of its 18th anniversary on 24th April 2008.

Object Names: Arp 148, VV 032, Mayall's Object, MCG+07-23-019

Image Type: Astronomical

Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University)

Technical facts about this image:

About the Object
Object Name: Arp 148, VV 032, Mayall's Object, MCG+07-23-019
Object Description: Interacting Galaxies
Position (J2000): 11 03 53.95
+40 50 59.90
Constellation: Ursa Major
Distance: 450 million light-years (150 million parsecs)
About the Data
Data Description: The Hubble image was created using HST data from proposals 10592, 11091, and 6276: A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University), K. Noll (STScI), and J. Westphal (Caltech)
Instrument: WFPC2, ACS/WFC
Exposure Date(s): October 9/10, 1995; November 20, 2005; and April 27-29, 2007
Exposure Time: 10.3 hours
Filters: F336W (U), F450W (B), F606W (V), and F814W (I)
About the Image
Image Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University)
Release Date: April 24, 2008

NEWS RELEASE IMAGES

The above image is part of a montage:

Montage Image: Cosmic Collisions Galore! Image Type: Astronomical Cosmic Collisions Galore!PRC2008-16a Hubble Interacting Galaxy UGC 9618 Image Type: Astronomical Hubble Interacting Galaxy UGC 9618 Hubble Interacting Galaxy Arp 256 Image Type: Astronomical Hubble Interacting Galaxy Arp 256 Hubble Interacting Galaxy NGC 6670 Image Type: Astronomical Hubble Interacting Galaxy NGC 6670 Hubble Interacting Galaxy NGC 6240 Image Type: Astronomical Hubble Interacting Galaxy NGC 6240 Hubble Interacting Galaxy ESO 593-8 Image Type: Astronomical Hubble Interacting Galaxy ESO 593-8 Hubble Interacting Galaxy NGC 454 Image Type: Astronomical Hubble Interacting Galaxy NGC 454 Hubble Interacting Galaxy UGC 8335 Image Type: Astronomical Hubble Interacting Galaxy UGC 8335 Hubble Interacting Galaxy NGC 6786 Image Type: Astronomical Hubble Interacting Galaxy NGC 6786 Hubble Interacting Galaxy NGC 17 Image Type: Astronomical Hubble Interacting Galaxy NGC 17 Hubble Interacting Galaxy ESO 77-14 Image Type: Astronomical Hubble Interacting Galaxy ESO 77-14 Hubble Interacting Galaxy NGC 6050 Image Type: Astronomical Hubble Interacting Galaxy NGC 6050

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