Bridging Cities of Galaxies

Planck_planck12-003a_1024

planck_planck12-003a November 20th, 2012

Credit: SunyaevZeldovich effect: ESA Planck Collaboration; optical image: STScI Digitized Sky Survey

Planck has discovered a bridge of hot gas that connects galaxy clusters Abell 399 (lower center) and Abell 401 (top left). The galaxy pair is located about a billion light-years from Earth, and the gas bridge extends approximately 10 million light-years between them.

The image shows the two galaxy clusters as seen at optical wavelengths with ground-based telescopes and through the Sunyaev-Zel'dovich effect (in orange) with the Planck satellite.

Image Source: http://planck.ipac.caltech.edu/image/planck12-003a

Curator: NASA Planck Science Center, Pasadena, CA, USA

Image Use Policy: Public Domain

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Image Details

Image Type
Observation
Object Name
Abell 399 Abell 401
Subject - Local Universe
Galaxy » Grouping » Cluster

Distance

Universescale2
600,000 light years

Color Mapping

  Telescope Spectral Band Wavelength
Arrow_left_grayscale DSS Optical -
Arrow_left_orange Planck Millimeter -
Planck_planck12-003a_1280
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ID
planck12-003a
Subject Category
C.5.5.3  
Subject Name
Abell 399, Abell 401
Credits
SunyaevZeldovich effect: ESA Planck Collaboration; optical image: STScI Digitized Sky Survey
Lightyears
600,000
Redshift
0.071806
Reference Url
http://planck.ipac.caltech.edu/image/planck12-003a
Type
Observation
Image Quality
Good
Distance Notes
Facility
DSS, Planck
Instrument
Color Assignment
Grayscale, Orange
Band
Optical, Millimeter
Bandpass
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
Equinox
Reference Value
Reference Dimension
Reference Pixel
Scale
Rotation
Coordinate System Projection:
Quality
FITS Header
Notes
Creator (Curator)
NASA Planck Science Center
URL
http://planck.ipac.caltech.edu
Name
Email
Telephone
Address
1200 E. California Blvd.
City
Pasadena
State/Province
CA
Postal Code
91125
Country
USA
Rights
Public Domain
Publisher
Publisher ID
planck
Resource ID
Resource URL
/image/planck/planck12-003a
Related Resources
Metadata Date
2018-01-19T01:57:48Z
Metadata Version
1.2
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Detailed color mapping information coming soon...

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Universescalefull
600,000 light years