Imagine the Universe!

Description of the RXTE All Sky Monitor Animation

The video clips from the RXTE ASM movie depict the brightness of X-ray objects on a map of the entire sky.

Below is an example frame from the animation

ASM Landmarks
Credit: RXTE ASM Team/MIT

The upper oval shows the entire sky, with the plane of our Galaxy running across the center. The lower portion is an expanded view of the crowded region of the sky near the center of our Galaxy. In this image, some notable X-ray Sources are located. Note that the Sun is depicted by an open circle. In the animations, the Sun moves as time goes on.

The X-ray objects are pinpoints, just like visible stars, but in the animation they are indicated with colored circles. The size of a circle represents the brightness. The color of the circle is the "X-ray color." Blue generally represents higher-temperature gases and red represents lower-temperature gases.

Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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