Two X-ray Binary Systems in the Globular Cluster M15
chandra_176 September 6th, 2001
Credit: NASA/GSFC/N.White, L.Angelini
The Chandra X-ray Observatory image of a previously identified neutron star binary system in the globular cluster M15, revealed not one binary system, but two appearing in close proximity. In the neutron star binary system on the left source (left) the neutron star is hidden by an accretion disk of hot matter swirling onto it from its companion star. The second neutron star binary system (right) undergoes occasional X-ray outbursts that reveal the surface of the neutron star. This is the first time that more than one neutron star binary system has been observed in a globular cluster.
Provider: Chandra X-ray Observatory
Image Source: http://chandra.harvard.edu/photo/2001/m15/
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
Distance
Position Details
Color Mapping
- ID
- 176
- Subject Category
- Subject Name
- M15, NGC7078
- Credits
- NASA/GSFC/N.White, L.Angelini
- Release Date
- 2001-09-06
- Lightyears
- 34,000
- Redshift
- 34,000
- Reference Url
- http://chandra.harvard.edu/photo/2001/m15/
- Type
- Observation
- Image Quality
- Good
- Distance Notes
- Facility
- Chandra
- Instrument
- ACIS
- Color Assignment
- Pseudocolor
- Band
- X-ray
- Bandpass
- X-ray
- Central Wavelength
- 0.8267
- Start Time
- 2000-08-24T04:24:26
- Integration Time
- 20030
- Dataset ID
- 675
- Notes
- Coordinate Frame
- ICRS
- Equinox
- J2000
- Reference Value
- 322.4928678, 12.1675401
- Reference Dimension
- 1772.0, 1770.0
- Reference Pixel
- 887.0, 886.0
- Scale
- 5.02899e-06, 5.0289917e-06
- Rotation
- -5.94
- 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
- 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
- m15_xray.tif
- Resource URL
- http://chandra.harvard.edu/photo/2001/m15/m15_xray.tif
- Related Resources
- Metadata Date
- 2011-07-28T13:23-04:00
- Metadata Version
- 1.2
Detailed color mapping information coming soon...
