An overview of the Chandra mission and goals, Chandra's namesake, top 10 facts.
Classroom activities, printable materials, interactive games & more.
Overview of X-ray Astronomy and X-ray sources: black holes to galaxy clusters.
All Chandra images released to the public listed by date & by category
Current Chandra press releases, status reports, interviews & biographies.
A collection of multimedia, illustrations & animations, a glossary, FAQ & more.
A collection of illustrations, animations and video.
Chandra discoveries in an audio/video format.
More Images of Sirius A & B
1
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Jpeg
Optical Image of Sirius A & B
Sirius A is the bright star in the middle of the image. On the right, slightly below Sirius A, is the optically faint white dwarf star, Sirius B. The dim spikes of light are instrumental artifacts.
(Credit: McDonald Observatory)

Scale: Image is 160 by 135 arcsec.

2
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Jpeg, Tiff
Orbit of Sirius A and B
The relative positions of Sirius A (large filled circle) and Sirius B (small filled circle) in the 50 year orbit are shown. Note that north is down, as opposed to up in the Chandra and optical images.
(Credit: Burnham's Celestial Handbook, 1978, v1, Robert Burnham, Jr.)

3
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Jpeg, Tiff, PS
Chandra X-ray Image with Scale Bar

Scale bar = 15 arcsec
(Credit: NASA/SAO/CXC)


Return to Sirius A & B (26 Sep 00)