ACS image of ESO 306-17

Esahubble_heic1004a_1024

esahubble_heic1004a March 4th, 2010

Credit: NASA, ESA and Michael West (ESO)

This image from the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope highlights the large and bright elliptical galaxy called ESO 306-17 in the southern sky. In this image, it appears that ESO 306-17 is surrounded by other galaxies but the bright galaxies at bottom left are thought to be in the foreground, not at the same distance in the sky. In reality, ESO 306-17 lies fairly abandoned in an enormous sea of dark matter and hot gas. Researchers are also using this image to search for nearby ultra-compact dwarf galaxies. Ultra-compact dwarfs are mini versions of dwarf galaxies that have been left with only their core due to interaction with larger, more powerful galaxies. Most ultra-compact dwarfs discovered to date are located near giant elliptical galaxies in large clusters of galaxies, so it will be interesting to see if researchers find similar objects in fossil groups.

Provider: Hubble Space Telescope | ESA

Image Source: http://www.spacetelescope.org/images/heic1004a/

Curator: ESA/Hubble, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Object Name
ESO 306-17
Subject - Local Universe
Galaxy > Type > Elliptical
Esahubble_heic1004a_128
 

Position Details

Position (ICRS)
RA = 5h 40m 7.5s
DEC = -40° 49’ 57.9”
Orientation
North is 140.0° CCW
Field of View
3.2 x 3.2 arcminutes
Constellation
Columba

Color Mapping

  Telescope Spectral Band Wavelength
Blue Hubble (ACS) Optical (B) -
Green Hubble (ACS) Optical (Pseudogreen (B+I)) -
Red Hubble (ACS) Infrared (I) -
Esahubble_heic1004a_1280
×
ID
heic1004a
Subject Category
C.5.1.4  
Subject Name
ESO 306-17
Credits
NASA, ESA and Michael West (ESO)
Release Date
2010-03-04T16:00:00
Lightyears
Redshift
Reference Url
http://www.spacetelescope.org/images/heic1004a/
Type
Observation
Image Quality
Distance Notes
Facility
Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument
ACS, ACS, ACS
Color Assignment
Blue, Green, Red
Band
Optical, Optical, Infrared
Bandpass
B, Pseudogreen (B+I), I
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
85.0312550271, -40.8327420152
Reference Dimension
3855.0, 3831.0
Reference Pixel
1927.5, 1915.5
Scale
-1.38918636584e-05, 1.38918636584e-05
Rotation
139.99999999999983
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
Creator (Curator)
ESA/Hubble
URL
http://www.spacetelescope.org/
Name
Email
Telephone
Address
Karl-Schwarzschild-Strasse 2
City
Garching bei München
State/Province
Postal Code
D-85748
Country
Germany
Rights
Creative Commons Attribution 4.0 International License
Publisher
ESA/Hubble
Publisher ID
esahubble
Resource ID
heic1004a
Metadata Date
2010-02-22T16:22:35+01:00
Metadata Version
1.1
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Detailed color mapping information coming soon...

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There is no distance meta data in this image.

 

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