The Secret Lives Of Galaxies Unveiled In Deep Survey
chandra_90 June 19th, 2003
Credit: NASA/CXC/PSU/D.M.Alexander, F.E.Bauer, W.N.Brandt et al.
Chandra's Deep Field North image is the most sensitive or "deepest" X-ray exposure ever made. The faintest sources produced only one X-ray photon every 4 days. More than 500 X-ray sources are present in this high-energy core sample of the early universe. A few are stars in our galaxy, but most of the sources are supermassive black holes in the centers of distant galaxies. If the number of supermassive black holes seen in this patch of the sky is typical, the total number detectable over the whole sky at this level of sensitivity would be 300 million.
Provider: Chandra X-ray Observatory
Image Source: http://chandra.harvard.edu/photo/2003/goods/
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
Position Details
Color Mapping
- ID
- 90
- Subject Category
- D.6.1.1 D.3.1.10
- Subject Name
- GOODS Chandra Deep Field-North
- Credits
- NASA/CXC/PSU/D.M.Alexander, F.E.Bauer, W.N.Brandt et al.
- Release Date
- 2003-06-19
- Lightyears
- Redshift
- Reference Url
- http://chandra.harvard.edu/photo/2003/goods/
- Type
- Observation
- Image Quality
- Good
- Distance Notes
- Facility
- Chandra, Chandra, Chandra
- Instrument
- ACIS, ACIS, ACIS
- Color Assignment
- Red, Green, Blue
- Band
- X-ray, X-ray, X-ray
- Bandpass
- Soft X-ray, Medium X-ray, Hard X-ray
- Central Wavelength
- 0.993, 0.41375, 0.206875
- Start Time
- Integration Time
- Dataset ID
- Notes
- Coordinate Frame
- ICRS
- Equinox
- 2000.0
- Reference Value
- 189.14443544332, 62.24079673771
- Reference Dimension
- 2400.00, 2400.00
- Reference Pixel
- 1345.02059539060, 951.24125784637
- Scale
- -0.00012622675, 0.00012622675
- Rotation
- -44.91684370659
- Coordinate System Projection:
- TAN
- Quality
- Full
- FITS Header
- Notes
- World Coordinate System resolved using PinpointWCS 0.9.0 revision 213+ by the Chandra X-ray Center
- Creator (Curator)
- Chandra X-ray Observatory
- URL
- http://chandra.harvard.edu
- Name
- Chandra X-ray Observatory Center
- 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 Center
- Publisher ID
- chandra
- Resource ID
- cdfn_xray.tif
- Resource URL
- http://chandra.harvard.edu/photo/2003/goods/cdfn_xray.tif
- Related Resources
- Metadata Date
- 2013-09-20T11:48:06-04:00
- Metadata Version
- 1.2
Detailed color mapping information coming soon...
