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Latest News:
RXTE SOF Realtime Data Area Has Moved
New RXTE Mission-Long Data Products
RXTE Discovers Stellar Ticking Time Bomb Explodes on Cue
RXTE Finds Smallest Known Black Hole
List of Previous RXTE News Items
Archive of Messages sent to XTENEWS Mailing List
Archive of all RXTE Publications (RXTE Results page)
Featured RXTE Press Releases (1998-present)
RXTE SOF Realtime Data Area Has Moved
August 14, 2008
The RXTE SOF's Realtime and Pseudo-production data retrieval site has moved. If you are looking for the SOF's Realtime or Pseudo-production data areas, the new, permanent sites are:
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Realtime data: ftp://legacy.gsfc.nasa.gov/xte/data/xtesof/pub/FITS/
Pseudo-production data: ftp://legacy.gsfc.nasa.gov/xte/data/xtesof/pub/FITS/production
Web page with links to both: RXTE SOF's Realtime Data Web page
New RXTE Mission-Long Data Products
May 12, 2008
The RXTE Guest Observer Facility (GOF) has begun generating Mission-Long Data Products based on the standard data products (StdProds) from the PCA and HEXTE, for over 200 sources that have been observed many times with RXTE during its mission. These products combine all "good" RXTE observations for a given source, over the lifetime of the RXTE mission.
The mission-long data products are intended to give a researcher an idea of how much, and what quality of, data are available in the RXTE public archive for their sources of interest. They are not meant to replace the careful reduction and analysis by individual scientists, but rather to lead them towards data that will be suitable to their needs. Users should bear in mind that only a single point is included for an observation. And thus the impressive variability seen by many RXTE targets on short timescales is entirely overlooked in the mission-long data products.
For more information, see our Mission-Long Data Products Guide.
RXTE Discovers Stellar Ticking Time Bomb Explodes on Cue
April 30, 2008
A team of researchers led by Diego Altamirano has discovered how to predict x-ray bursts from the low mass x-ray binary system 4U 1636-53. For more information, see:
NASA Press
Release
Astrophysical Journal paper
v673: L35-L38, January 2008
"Different manifestations of accretion onto compact objects",
D. Altamirano PhD thesis, April 2008
RXTE Finds Smallest Known Black Hole
April 1, 2008
Two NASA scientists announce that a binary system discovered by RXTE contains the smallest known black hole - a 3.8 solar mass featherweight. The researchers presented their results at the American Astronomical Society High-Energy Astrophysics Division meeting in Los Angeles, California.
For more information, see:
Previous RXTE News Items
Other RXTE News Items, by Year
2008:
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Powerful Explosions Suggest Neutron Star Missing
Link (February 21, 2008)
PCA SAA History File Production Resumes (February 1, 2008)
Temporary Interruption of PCA SAA History File Production (January 22, 2008)
ASM Source Intensity Errors for Sources in Crowded Fields (infrequent but significant) (January 2008)
2007:
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IMPORTANT: Problems and Corrections to RXTE PCA
Background (September 18, 2007)
Bizarre Planet-Mass Object Found Orbiting Neutron Star (September 12, 2007)
Brief period of incomplete Archive-mode data from HEXTE Cluster A (May 21, 2007)
Recommended Cycle 12 Targets Released! (May 2, 2007) RXTE Archive Downtime: 18:00 Jul 13 - 12:00 Jul 14, EDT (July 11, 2007)
RXTE Cycle 12 Proposal Deadline is Past! Review Preparations Underway! (March 23, 2007)
RXTE Cycle 12 Update & Deadline Reminder (January 26. 2007)
TNO Occultations May Be Instrumental Deadtime January 16, 2007
PCU 1 Loses Top Propane Layer (January 12, 2007)
2006:
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New RXTE Software Available
(HEAsoft 6.1.2) (December 8, 2006)
Active Galactic Nuclei as scaled-up Galactic Black Holes (December 7, 2006)
RXTE Catches Black Hole Spinning at near Light Speed (November 20, 2006)
RXTE Cycle 12 Announced (October 23, 2006)
HEXTE Cluster "A" Now Fixed-Pointing (October 20, 2006)
RXTE Used to Detect Trans-Neptunian Objects (August 10, 2006)
New PCA Background Models Released August 6, 2006
Pulsar Quakes Now Predictable! (June 5, 2006)
Cycle 11 Budget Deadline Has Passed (March 20, 2006)
RXTE Discovers source of Galactic X-ray Background ( February 22, 2006)
Information for Submitting Cycle 11 Budgets (February 7, 2006)
RXTE Researchers receive Rossi Prize! (January 18, 2006)
Hot New RXTE Results from the AAS Meeting in Washington, D.C. (January 11, 2006)
HEXTE Cluster A Rocking Anomaly (January 8, 2006)
2005:
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Recommended RXTE Cycle 11 Targets Released! (November 28, 2005)
RXTE Birthday Party & Mini-Conference (October 18, 2005)
RXTE Cycle 11: NSPIRES Guidance (September 15, 2005)
RXTE Cycle 11: Important Changes (June 29, 2005)
HEXTE Cluster A News (January 26, 2005)
Cycle 10 Budget Information Now Available (January 25, 2005)
RXTE Sees Hot Matter "Surf" Around Black Hole (January 10, 2005)
2004:
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Recommended RXTE Cycle 10 Targets Released! (December 3, 2004)
Cycle 10 Deadline Past---Proposals are In! (September 28, 2004)
RXTE & XMM Squeeze Neuton Star Equation of State (September 8, 2004))
RXTE Cycle 10 Proposal Due Date Extended to September 20, 2004; GO Funding May Increase! (July 27, 2004)
Michiel van der Klis wins NWO Spinoza prize! (June 24, 2004)
RXTE Cycle 10: Shaping the Next Decade of XTE Science! (June 14, 2004)
New Email Addresses to Contact the RXTE Science Operations Facility (SOF) (May 4, 2004)
Corrected Faint Background Models now Available (April 13, 2004)
March 2004 RXTE Paper of the Month (April 2004)
RXTE Sees Superburst Effect Accretion Disk in Real Time (March 18, 2004)
New! RXTE-related Astronomical Notices (March 17, 2004)
RXTE Catches Morphing Magnetar (January 28, 2004)
2003:
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Recommended RXTE
Cycle 9 Targets Released! (December 1, 2003)
Cosmic Brakes for Pulsars? (July 2, 2003)
Instructions for RXTE Cycle 9 Proposers Now on Web (June 13, 2003)
Recent RXTE Science Results (from HEAD Meeting) (June 1, 2003)
HEXTE Resumes Normal Operations After Short Interruption (April 3, 2003)
Stage 2 Budget Information (March 12, 2003)
Realtime Pseudo-Production Data Just Got Better! (March 5, 2003)
Cycle 8 Approved Observing Program (February 11, 2003)
Kouveliotou Shares Rossi Prize for RXTE Result! (January 15, 2003)
2002:
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RXTE Cycle 8 Deadline has Passed! (November 26, 2002)
RXTE Detects Strongest Known Magnetic Field (November 4, 2002 )
The Nature of Anomalous X-ray Pulsars (September 12, 2002)
New FTOOLS for Our Trade (June 25, 2002)
RXTE Breaks Six Figures, Shares with Public (June 12, 2002)
Discovery of Fastest Known Accreting Millisecond Pulsar (April 12, 2002)
Black Holes play the Same Tune (April 09, 2002)
New and Improved Background Models Released on New and Improved PCA Digest Page! (February 27, 2002)
If you have a question about RXTE, please send email to one of our help desks.