Galaxy Cluster Abell 2218

esahubble_opo9514a April 5th, 1995

Credit: W.Couch (University of New South Wales), R. Ellis (Cambridge University), and NASA/ESA

This Hubble Space Telescope image of the rich galaxy cluster, Abell 2218, is a spectacular example of Gravitational Lensing. The arc-like pattern spread across the picture like a spider web is an illusion caused by the gravitational field of the cluster.

Provider: Hubble Space Telescope | ESA

Image Source: https://www.spacetelescope.org/images/opo9514a/

Curator: ESA/Hubble, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

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Image Details

Image Type: Observation
Object Name: Abell 2218
Subject - Distant Universe: Galaxy > Type > Gravitationally Lensed; Galaxy > Grouping > Cluster

Position Details

Position (ICRS): RA = 16h 35m 51.7s; DEC = 66° 12’ 25.4”
Orientation: North is 49.5° CW
Field of View: 2.1 x 1.1 arcminutes
Constellation: Draco

Color Mapping

Telescope	Spectral Band	Wavelength
Hubble (WFPC2)	Infrared (I)	814.0 nm
Hubble (WFPC2)	Optical (V)	606.0 nm
Hubble (WFPC2)	Optical (B)	450.0 nm

ID: opo9514a
Subject Category: D.5.1.8 D.5.5.3
Subject Name: Abell 2218
Credits: W.Couch (University of New South Wales), R. Ellis (Cambridge University), and NASA/ESA

Release Date: 1995-04-05T06:00:00
Lightyears
Redshift
Reference Url: https://www.spacetelescope.org/images/opo9514a/

Type: Observation
Image Quality
Distance Notes

Facility: Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument: WFPC2, WFPC2, WFPC2
Color Assignment: Grayscale, Grayscale, Grayscale

Band: Infrared, Optical, Optical
Bandpass: I, V, B
Central Wavelength: 814, 606, 450

Start Time
Integration Time
Dataset ID
Notes

Coordinate Frame: ICRS
Equinox: J2000
Reference Value: 248.965261058, 66.2070423524
Reference Dimension: 1288.0, 655.0

Reference Pixel: 644.0, 327.5
Scale: -2.75880607944e-05, 2.75880607944e-05
Rotation: -49.46
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: opo9514a

Resource URL: http://www.spacetelescope.org/static/archives/images/original/opo9514a.tif
Related Resources

Metadata Date: 2003-12-09T17:43:51+01:00
Metadata Version: 1.1

Detailed color mapping information coming soon...

There is no distance meta data in this image.