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Collection:
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NASA Hubble Space Telescope Collection
Collection
NASA Hubble Space Telescope Collection
Collection
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Title:
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Isolated Galaxy or Corporate Merger? Hubble Spies NGC 1132
Title
Isolated Galaxy or Corporate Merger? Hubble Spies NGC 1132
Title
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Object Name:
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NGC 1132
Object_Name
NGC 1132
Object Name
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General Information:
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What is Hubble Heritage?
A monthly showcase of new and archival Hubble images. Go to the Heritage site.
The elliptical galaxy NGC 1132 reveals the final result of what may have been a group of galaxies that merged together in the recent past. Another possibility is that the galaxy formed in isolation as a "lone wolf" in a universe ablaze with galaxy groups and clusters. This image of NGC 1132 was taken with Hubble's Advanced Camera for Surveys. Data obtained in 2005 and 2006 through green and near-infrared filters were used in the composite. NGC 1132 is located approximately 318 million light-years away in the constellation Eridanus, the River.
General_Information
What is Hubble Heritage?
A monthly showcase of new and archival Hubble images. Go to the Heritage site.
The elliptical galaxy NGC 1132 reveals the final result of what may have been a group of galaxies that merged together in the recent past. Another possibility is that the galaxy formed in isolation as a "lone wolf" in a universe ablaze with galaxy groups and clusters. This image of NGC 1132 was taken with Hubble's Advanced Camera for Surveys. Data obtained in 2005 and 2006 through green and near-infrared filters were used in the composite. NGC 1132 is located approximately 318 million light-years away in the constellation Eridanus, the River.
General Information
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Acknowledgement:
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Acknowledgement
Acknowledgement
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Acknowledgement:
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*Acknowledgment:* M. West (ESO, Chile)
Acknowledgement
*Acknowledgment:* M. West (ESO, Chile)
Acknowledgement
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Fast Facts:
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Technical facts about this news release: About the Object Object Name: NGC 1132 Object Description: Elliptical Galaxy Position (J2000): R.A. 02h 52m 51.72s Dec. -01° 16' 10."9 Constellation: Eridanus Distance: 318 million light-years or 97 megaparsecs About the Data Data Description: The image created from HST data from proposal 10558: M. West (European Organization for Astronomical Research in the Southern Hemisphere (ESO)), M. Gregg (University of California, Davis), P. Cote (Dominion Astrophysical Observatory), S. van den Bergh (Dominion Astrophysical Observatory), and M. Drinkwater (University of Queensland). Instrument: ACS/WFC Exposure Date(s): September 25, 2005; August 22, 2006 Exposure Time: 4.8 hours Filters: F475W (SDSS g), F850LP (SDSS z) About the Image Image Credit: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hub ble Collaboration Acknowledgment: M. West (ESO, Chile) Release Date: February 5, 2008 Color: The image is a composite of separate exposures made by the ACS instrument on the Hubble Space Telescope. Two filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. A third, intermediate image was created by combining the two existing images and assigned to the intermediate primary color. In this case, the assigned colors are: F475W (g) blue F475W (g) F850LP (z) green F850LP (z) red Orientation: Elliptical Galaxy NGC 1132 - Hubble [ http://imgsrc.hubbl…]
Fast_Facts
Technical facts about this news release: About the Object Object Name: NGC 1132 Object Description: Elliptical Galaxy Position (J2000): R.A. 02h 52m 51.72s Dec. -01° 16' 10."9 Constellation: Eridanus Distance: 318 million light-years or 97 megaparsecs About the Data Data Description: The image created from HST data from proposal 10558: M. West (European Organization for Astronomical Research in the Southern Hemisphere (ESO)), M. Gregg (University of California, Davis), P. Cote (Dominion Astrophysical Observatory), S. van den Bergh (Dominion Astrophysical Observatory), and M. Drinkwater (University of Queensland). Instrument: ACS/WFC Exposure Date(s): September 25, 2005; August 22, 2006 Exposure Time: 4.8 hours Filters: F475W (SDSS g), F850LP (SDSS z) About the Image Image Credit: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hub ble Collaboration Acknowledgment: M. West (ESO, Chile) Release Date: February 5, 2008 Color: The image is a composite of separate exposures made by the ACS instrument on the Hubble Space Telescope. Two filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. A third, intermediate image was created by combining the two existing images and assigned to the intermediate primary color. In this case, the assigned colors are: F475W (g) blue F475W (g) F850LP (z) green F850LP (z) red Orientation: Elliptical Galaxy NGC 1132 - Hubble [ http://imgsrc.hubbl…] Fast Facts
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*Image Type:*: Astronomical
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*Image Type:*: Astronomical
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*Release Date*:February 5, 2008 09:00 AM (EST)
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*Release Date*:February 5, 2008 09:00 AM (EST)
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*Title*:Isolated Galaxy or Corporate Merger? Hubble Spies NGC 1132
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*Title*:Isolated Galaxy or Corporate Merger? Hubble Spies NGC 1132
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*News Release Number:*: STScI-2008-07a
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*News Release Number:*: STScI-2008-07a
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*Description*:
The elliptical galaxy NGC 1132 reveals the final result of what may have been a group of galaxies that merged together in the recent past. Another possibility is that the galaxy formed in isolation as a "lone wolf" in a universe ablaze with galaxy groups and clusters.
NGC 1132 is dubbed a "fossil group" because it contains enormous concentrations of dark matter, comparable to the dark matter found in an entire group of galaxies. NGC 1132 also has a strong X-ray glow from an abundant amount of hot gas that is normally only found in galaxy groups.
In visible light, however, it appears as a single, isolated, large elliptical galaxy. The origin of fossil-group systems remains a puzzle. They may be the end-products of complete merging of galaxies within once-normal groups. Or, they may be very rare objects that formed in a region or period of time where the growth of moderate-sized galaxies was somehow suppressed, and only one large galaxy formed.
Elliptical galaxies are smooth and featureless. Containing hundreds of millions to trillions of stars, they range from nearly spherical to very elongated shapes. Their overall yellowish color comes from the aging stars. Because ellipticals do not contain much cool gas, they no longer can make new stars.
This image of NGC 1132 was taken with Hubble's Advanced Camera for Surveys. Data obtained in 2005 and 2006 through green and near-infrared filters were used in the composite. In this Hubble image, NGC 1132 is seen among a number of smaller dwarf galaxies of similar color. In the background, there is a stunning tapestry of numerous galaxies that are much larger but much farther away.
NGC 1132 is located approximately 318 million light-years away in the constellation Eridanus, the River.
For more information, please contact:
Ray Villard
Space Telescope Science Institute, Baltimore, Md.
410-338-4514
villard@stsci.edu
Lars Lindberg Christensen
Hubble/ESA, Garching, Germany
011-49-89-3200-6306
lars@eso.org
Michael West
ESO, Santiago, Chile
011-56-2-463-3254
mwest@eso.org
note
*Description*:
The elliptical galaxy NGC 1132 reveals the final result of what may have been a group of galaxies that merged together in the recent past. Another possibility is that the galaxy formed in isolation as a "lone wolf" in a universe ablaze with galaxy groups and clusters.
NGC 1132 is dubbed a "fossil group" because it contains enormous concentrations of dark matter, comparable to the dark matter found in an entire group of galaxies. NGC 1132 also has a strong X-ray glow from an abundant amount of hot gas that is normally only found in galaxy groups.
In visible light, however, it appears as a single, isolated, large elliptical galaxy. The origin of fossil-group systems remains a puzzle. They may be the end-products of complete merging of galaxies within once-normal groups. Or, they may be very rare objects that formed in a region or period of time where the growth of moderate-sized galaxies was somehow suppressed, and only one large galaxy formed.
Elliptical galaxies are smooth and featureless. Containing hundreds of millions to trillions of stars, they range from nearly spherical to very elongated shapes. Their overall yellowish color comes from the aging stars. Because ellipticals do not contain much cool gas, they no longer can make new stars.
This image of NGC 1132 was taken with Hubble's Advanced Camera for Surveys. Data obtained in 2005 and 2006 through green and near-infrared filters were used in the composite. In this Hubble image, NGC 1132 is seen among a number of smaller dwarf galaxies of similar color. In the background, there is a stunning tapestry of numerous galaxies that are much larger but much farther away.
NGC 1132 is located approximately 318 million light-years away in the constellation Eridanus, the River.
For more information, please contact:
Ray Villard
Space Telescope Science Institute, Baltimore, Md.
410-338-4514
villard@stsci.edu
Lars Lindberg Christensen
Hubble/ESA, Garching, Germany
011-49-89-3200-6306
lars@eso.org
Michael West
ESO, Santiago, Chile
011-56-2-463-3254
mwest@eso.org
note
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facet_what:
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Advanced Camera for Surveys
facet_what
Advanced Camera for Surveys
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facet_what:
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ESO
facet_what
ESO
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facet_what:
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Visible Light
facet_what
Visible Light
facet_what
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facet_what:
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Eridanus
facet_what
Eridanus
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facet_what:
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COMPASS
facet_what
COMPASS
facet_what
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facet_what:
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Aura
facet_what
Aura
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facet_what:
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European Organization for Astronomical Research in the Southern Hemisphere
facet_what
European Organization for Astronomical Research in the Southern Hemisphere
facet_what
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facet_what:
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Hubble Space Telescope (HST)
facet_what
Hubble Space Telescope (HST)
facet_what
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facet_what:
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NGC
facet_what
NGC
facet_what
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facet_where:
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Chile
facet_where
Chile
facet_where
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facet_where:
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California
facet_where
California
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facet_where:
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Germany
facet_where
Germany
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facet_where:
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Santiago
facet_where
Santiago
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facet_where:
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Washington, D.C.
facet_where
Washington, D.C.
facet_where
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facet_when:
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2005
facet_when
2005
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facet_when:
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September 25, 2005
facet_when
September 25, 2005
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facet_when:
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August 22, 2006
facet_when
August 22, 2006
facet_when
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facet_when:
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February 5, 2008
facet_when
February 5, 2008
facet_when
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facet_when:
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49-89-3200
facet_when
49-89-3200
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facet_when:
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56-2-463
facet_when
56-2-463
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facet_when_year:
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2005
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2005
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2006
facet_when_year
2006
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facet_when_year:
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3200
facet_when_year
3200
facet_when_year
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facet_when_year:
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2008
facet_when_year
2008
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UID:
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SPD-HUBBLE-STScI-200 8-07a
UID
SPD-HUBBLE-STScI-200 8-07a
UID
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original url:
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original_url
original url
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Release Date:
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February 5, 2008 09:00 AM (EST)
Release_Date
February 5, 2008 09:00 AM (EST)
Release Date
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