Interacting Galaxies Group Arp 194

Stsci_2009-18a_1024

stsci_2009-18a April 21st, 2009

Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

The orbiting Hubble Space Telescope has photographed a peculiar system of galaxies known as Arp 194. This interacting group contains several galaxies, along with a "cosmic fountain" of stars, gas, and dust that stretches over 100,000 light-years. The northern component of Arp 194 appears as a haphazard collection of dusty spiral arms, bright blue star-forming regions, and at least two galaxy nuclei that appear to be connected and in the early stages of merging. A third, relatively normal, spiral galaxy appears off to the right. The southern component of the galaxy group contains a single large spiral galaxy with its own blue star-forming regions. However, the most striking feature of this galaxy troupe is the impressive blue stream of material extending from the northern component. This "fountain" contains complexes of super star clusters, each one of which may contain dozens of individual young star clusters. The blue color is produced by hot, massive stars that dominate the light in each cluster. Overall, the "fountain" contains many millions of stars. Arp 194, located in the constellation Ursa Major, resides approximately 600 million light-years away from Earth

Provider: Space Telescope Science Institute

Image Source: https://hubblesite.org/contents/news-releases/2009/news-2009-18

Curator: STScI, Baltimore, MD, USA

Image Use Policy: http://hubblesite.org/copyright/

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Image Details

Image Type
Observation
Object Name
Arp 194
Subject - Distant Universe
Galaxy > Type > Interacting

Distance

Universescale3
600,000,000 light years
Stsci_2009-18a_128
 

Position Details

Position (ICRS)
RA = 11h 57m 55.5s
DEC = 36° 23’ 16.2”
Orientation
North is 35.2° CCW
Field of View
1.3 x 1.5 arcminutes
Constellation
Ursa Major

Color Mapping

  Telescope Spectral Band Wavelength
Blue Hubble (WFPC2) Optical (B) 450.0 nm
Green Hubble (WFPC2) Optical (V) 606.0 nm
Red Hubble (WFPC2) Optical (I) 814.0 nm
January 14-19, 2009
Spectrum_base
Blue
Green
Red
Stsci_2009-18a_1280
×
ID
2009-18a
Subject Category
D.5.1.7  
Subject Name
Arp 194
Credits
NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
Release Date
2009-04-21T00:00:00+00:00
Lightyears
600,000,000
Redshift
600,000,000
Reference Url
https://hubblesite.org/contents/news-releases/2009/news-2009-18
Type
Observation
Image Quality
Good
Distance Notes
600 million light-years or 184 megaparsecs
Facility
Hubble, Hubble, Hubble
Instrument
WFPC2, WFPC2, WFPC2
Color Assignment
Blue, Green, Red
Band
Optical, Optical, Optical
Bandpass
B, V, I
Central Wavelength
450, 606, 814
Start Time
2009-01-14T00:00:00, 2009-01-19T00:00:00, 2009-01-19T00:00:00
Integration Time
Dataset ID
Notes
J
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
179.4812109, 36.3878204
Reference Dimension
1270.0, 1522.0
Reference Pixel
636.0, 762.0
Scale
-1.66471e-05, 1.6647089e-05
Rotation
35.16
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
WCS retrieved using CXCs PinpointWCS
Creator (Curator)
STScI
URL
http://hubblesite.org
Name
Space Telescope Science Institute Office of Public Outreach
Email
outreach@stsci.edu
Telephone
410-338-4444
Address
3700 San Martin Drive
City
Baltimore
State/Province
MD
Postal Code
21218
Country
USA
Rights
http://hubblesite.org/copyright/
Publisher
STScI
Publisher ID
stsci
Resource ID
STSCI-H-p0918a-f-1270x1522.tif
Resource URL
https://mast.stsci.edu/api/latest/Download/file?uri=mast:OPO/product/STSCI-H-p0918a-f-1270x1522.tif
Related Resources
http://hubblesite.org/newscenter/archive/releases/2009/18
Metadata Date
2022-07-06T00:00:00
Metadata Version
1.2
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Detailed color mapping information coming soon...

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Universescalefull
600,000,000 light years