HEASARC Staff Scientist Position - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the AAS Job register for full details.

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GOF		 PCA Background Models by Epoch RXTE
FAQ

Return to the PCA Digest page.

Background model epoch boundaries are listed below. Observers who still use invidividual background files can download them from here. Use these only if you have a special need.

NOTE: It will be much more convenient to use the mission-long background models listed on the main PCA Digest page.
Epoch Start Time Stop Time Faint Model Bright Model

Epoch 1

Launch

21 Mar 1996 18:33

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Epoch 2

21 Mar 1996 18:34

15 Apr 1996 23:05

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Epoch 3A

15 Apr 1996 23:06

09 Feb 1998 00:00

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Epoch 3B

09 Feb 1998 00:00

22 Mar 1999 17:38

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Epoch 4

22 Mar 1999 17:39

13 May 2000 00:00

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Epoch 5A

13 May 2000 00:00

01 Jan 2002 00:00

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Epoch 5B

01 Jan 2002 00:00

01 Jan 2004 00:00

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Epoch 5C

01 Jan 2004 00:00

Present

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This page is maintained by the RXTE GOF and was last modified on Wednesday, 24-Aug-2022 11:10:32 EDT.