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Rossi X-ray Timing Explorer

NASA's Rossi X-ray Timing Explorer studied rapid changes in cosmic X-ray sources across timescales from microseconds to months. Its pointed instruments and all-sky monitor tracked black holes, neutron stars, white dwarfs, and other compact systems over a broad X-ray energy range.

Rossi X-ray Timing Explorer
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Identity

Aliases
RXTEX-ray Timing ExplorerXTE
Name
Rossi X-ray Timing Explorer
Status
completed

Details

Astronauts
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Description
NASA's Rossi X-ray Timing Explorer studied rapid changes in cosmic X-ray sources across timescales from microseconds to months. Its pointed instruments and all-sky monitor tracked black holes, neutron stars, white dwarfs, and other compact systems over a broad X-ray energy range.
Destination
Near-circular low Earth orbit at approximately 600 km altitude and 23° inclination for measuring rapid X-ray variability from black holes, neutron stars, white dwarfs, and other compact cosmic sources
End Date
2012-01-05
Launch Site
Outcome
RXTE completed sixteen years of observations, far exceeding its two-year requirement and five-year design goal. Its high-time-resolution measurements revealed millisecond variability near compact objects, characterized accretion flows and neutron-star oscillations, and left a mission-long public archive for high-energy astrophysics.
Programs
Start Date
1995-12-30
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Creation Time
July 18, 2026 at 14:57:15 UTC
Updated Time
August 24, 2026 at 05:06:23 UTC

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Affiliations
Search Name
Rossi X-ray Timing Explorer RXTE X-ray Timing Explorer XTE
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