File:Rocket graph.gif
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Rocket_graph.gif (300 × 248 pixels, file size: 43 KB, MIME type: image/gif)
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[edit]DescriptionRocket graph.gif |
English: The figure shows 15-second samples of the raw counts (per 20.48 ms) observed in a 1973 sounding-rocket-borne exposure to three of the X-ray brightest binary sources in our galaxy: Her X-1 (1.7 days), Cyg X-3 (0.2 day), and Cyg X-1 (5.6 days). |
Date | |
Source | GSFC's ASD: X-Ray Astrophysics Laboratory, A History of X-ray Astronomy at Goddard |
Author | Curator: Meredith Gibb NASA Official: Phil Newman, Astrophysics Science Division (ASD) at NASA's GSFC. |
Permission (Reusing this file) |
Images produced by NASA are usually free of copyright [...] |
The 1.24 second pulsar period associated with Her X-1 is immediately evident from the data. The sharp cut-off at ~24 keV in the flat spectrum observed for Her X-1 in this exposure provided the first reported evidence for radiative transfer effects to be associated with a highly magnetized plasma near the surface of a neutron star.
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 03:32, 27 September 2009 | 300 × 248 (43 KB) | Marshallsumter (talk | contribs) | {{Information |Description={{en|1=The figure shows 15-second samples of the raw counts (per 20.48 ms) observed in a 1973 sounding-rocket-borne exposure to three of the X-ray brightest binary sources in our galaxy: Her X-1 (1.7 days), Cyg X-3 (0.2 day), an |
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