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Discovering the Treasures in Chandra's Archives

Chandra_640d_1024

chandra_640d October 14th, 2016

Credit: NASA/CXC/SAO

The Chandra Data Archive is a sophisticated digital system that ultimately contains all of the data obtained by the telescope, creating an invaluable resource for both the scientific community and the public. These six new images showcase data from Chandra's archive to help celebrate American Archive Month. These images also include data from telescopes covering other parts of the electromagnetic spectrum, such as visible and infrared light, and they represent just a small fraction of the treasures that reside in Chandra's unique X-ray archive.

Provider: Chandra X-ray Observatory

Image Source: http://chandra.harvard.edu/photo/2016/archives/

Curator: Chandra X-ray Observatory, Cambridge, MA, USA

Image Use Policy: http://chandra.harvard.edu/photo/image_use.html

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Image Details

Image Type: Observation
Object Name: Abell 665
Subject - Local Universe: Galaxy > Grouping > Cluster

Distance

Universescale3

2,200,000,000 light years

Chandra_640d_128

Position Details

Position (ICRS): RA = 8h 30m 57.8s; DEC = 65° 51’ 55.3”
Orientation: North is up
Field of View: 18.0 x 18.0 arcminutes
Constellation: Ursa Major

Color Mapping

	Telescope	Spectral Band	Wavelength
	Chandra (ACIS)	X-ray (X-ray)	826.7 pm
	SDSS	Optical (G-band)	468.6 nm
	SDSS	Optical (R-band)	616.5 nm
	SDSS	Optical (I-band)	748.1 nm
	VLA	Radio (L-band)	200.0 mm

Spectrum_xray2

Blue

Blue

Green

Red

Purple

Chandra_640d_1280

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ID: 640d
Subject Category: C.5.5.3
Subject Name: Abell 665
Credits: NASA/CXC/SAO

Release Date: 2016-10-14
Lightyears: 2,200,000,000
Redshift: 2,200,000,000
Reference Url: http://chandra.harvard.edu/photo/2016/archives/

Type: Observation
Image Quality: Good
Distance Notes

Facility: Chandra, SDSS, SDSS, SDSS, VLA
Instrument: ACIS, -, -, -, -
Color Assignment: Blue, Blue, Green, Red, Purple

Band: X-ray, Optical, Optical, Optical, Radio
Bandpass: X-ray, G-band, R-band, I-band, L-band
Central Wavelength: 0.8267, 468.6, 616.5, 748.1, 2e8

Start Time
Integration Time
Dataset ID
Notes

Coordinate Frame: ICRS
Equinox: J2000
Reference Value: 127.7409014, 65.8653523
Reference Dimension: 3600.0, 3600.0

Reference Pixel: 1801.0, 1801.0
Scale: 8.34607e-05, 8.3460668e-05
Rotation: -0.01
Coordinate System Projection:: TAN

Quality: Full
FITS Header
Notes: WCS retrieved using CXCs PinpointWCS

Creator (Curator): Chandra X-ray Observatory
URL: http://chandra.harvard.edu
Name: Chandra X-ray Observatory Center
Email: cxcpub@cfa.harvard.edu

Telephone: 617.496.7941
Address: 60 Garden St.
City: Cambridge
State/Province: MA

Postal Code: 02138
Country: USA
Rights: http://chandra.harvard.edu/photo/image_use.html

Publisher: Chandra X-ray Observatory Center
Publisher ID: chandra
Resource ID: archives_a665.tif

Resource URL: http://chandra.harvard.edu/photo/2016/archives/archives_a665.tif
Related Resources

Metadata Date: 2016-10-19T11:30:41-04:00
Metadata Version: 1.2

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Detailed color mapping information coming soon...

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Universescalefull

2,200,000,000 light years

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NASA’s Universe of Learning materials are based upon work supported by NASA under cooperative agreement award number NNX16AC65A to the Space Telescope Science Institute, working in partnership with Caltech/IPAC, Center for Astrophysics | Harvard & Smithsonian, and NASA Jet Propulsion Laboratory. The award is part of NASA’s Science Activation program, which strives to further enable NASA science experts and content into the learning environment more effectively and efficiently with learners of all ages.