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HEASoft Versions

This table lists the version numbers of each component inside the HEASoft package.

HEASoft Component Versions
Release Date HEASoft CFITSIO CCFITS Xspec PyXspec NICERDAS NuSTARDAS IXPE compiled IXPE Python XRISM XSTAR WCSLIB NOTES
2025-09-26 6.36.0 4.6.3 12.15.1 2.1.5 15 1.11 003
2025-06-25 6.35.2 12.15.0d 14 2.59g
2025-03-27 6.35.1
2025-03-14 6.35.0 4.6.0 2.7 12.15.0 13a 2.1.5 1.10 2 2.59e
2024-08-22 6.34.0 4.5.0 12.14.1 2.1.4 13 2.1.4 1.9 Build 8 2.59d 8.3
2024-04-22 6.33.2 12.14.0h 12a
2024-03-21 6.33.1 12.14.0b For CLT v15.3 updates
2024-02-23 6.33.0 12.14.0 2.1.3 012 1.8 2.59ch
2023-08-23 6.32.1 011a
2023-07-20 6.32.0 12.13.1 2.1.2 011 3.1.0 1.7 2.59b
2022-12-16 6.31.1 12.13.0c
2022-11-15 6.31.0 4.2.0 12.13.0 2.1.1 010 3.0.0 1.6 2.59
2022-04-11 6.30.1
2022-03-14 6.30.0 4.1.0 12.12.1 2.1.0 2.1.2 2.9.0 1.3 2.58e
2021-09-01 6.29c 008c
2021-08-05 6.29b 008b
2021-07-30 6.29a
2021-07-19 6.29.0 4.0.0 2.6 12.12.0 008 2.1.1 2.56f 7.3.1
2020-08-14 6.28.0 3.49 12.11.1 2.0.0
2020-04-23 6.27.2 007a
2020-04-13 6.27.1 1.9.2
2020-03-26 6.27.0 3.48 12.11 2.0.3 007 1.9.0 2.54a
2019-06-26 6.26.1 06a
2019-05-17 6.26.0 12.10.1f 6 2.54
2018-10-22 6.25.0 3.46 12.10.1 5.0 2.53 5.19.1
2018-04-24 6.24.0 3.44 12.10.0c 4.0 2.5
2018-03-07 6.23.0 3.43 12.10 3.0
2017-10-11 6.22.1 12.9.1p 2.0
2017-08-15 6.22.0 12.9.1m 1.0 1.8.0 2.41 5.16
2017-04-05 6.21.0 3.42
2017-01-18 6.20.0 3.41 12.9.1 2.0 1.7.0 2.39
2016-05-11 6.19.0 3.39 12.9.0n 1.6.0 2.31
2016-02-08 6.18.0 3.38 2.5 12.9.0i 2.2.1bn26
2015-07-29 6.17.0 12.9.0 1.5.1 2.2.1bn24
2014-07-02 6.16.0 3.37 12.8.2 1.4.1 2.2.1bn21
2014-01-28 6.15.1 1.3.1
2013-11-25 6.15.0 12.8.1g 1.3.0 2.2.1bn16
2013-08-06 6.14.0 3.35 12.8.1 1.2.0 2.2.1bn15
2012-12-21 6.13.0 3.32 12.8.0 2.2.1bn13
2012-03-12 6.12.0 3.29 2.4 12.7.1 1.0 2.2.1bk
2011-11-22 6.11.1
2011-06-07 6.11.0 3.27 12.7.0 0.9 beta 2.2.1bg
2010-09-28 6.10.0 3.25 12.6.0q 2.2.1bc
2010-03-29 6.9.0 3.24 12.6.0
2009-12-03 6.8.0 3.22 2.2 12.5.1n 2.2.0 4.4.4
2009-08-19 6.7.0 3.181 beta 12.5.1 2.1kn9
2009-06-01 6.6.3
2009-04-06 6.6.2 12.5.0ac
2008-01-05 6.6.1
2008-11-25 6.6.0 3.12 12.5.0 Last distro w Xspec v11
2008-09-18 6.5.1
2008-06-26 6.5.0 3.09 12.4.0ad 2.1kn8
2008-04-15 6.4.1 2.0 12.4.0x
2007-12-12 6.4a
2007-12-06 6.4.0 3.07 1.8 12.4.0
2007-09-21 6.3.2
2007-07-27 6.3.1
2007-07-05 6.3.0 3.04 1.7 12.3.1x
2007-03-07 6.2.0 3.03 12.3.1
2006-12-06 6.1.2 3.02 1.6
2006-09-12 6.1.1
2006-07-24 6.1.0 3.01 1.5 12.3.0 2.1kn6
2006-05-16 6.0.6
2006-04-26 6.0.5 3.006
2005-11-28 6.0.4 3.004 11.3.2p and 12.2.1
2005-10-07 6.0.3 3.003
2005-08-09 6.0.2
2005-04-12 6.0.0 3.001 11.3.2 and 12.2.0 2.1kn3
2004-05-20 5.3.1 11.3.1 2.1k
2003-11-17 5.3.0 11.3 2.1j
2002-06-18 5.2.0 11.2 2.1h
2002-01-16 5.1a 11.1.0 2.1d
2001-07-26 5.1.0 11.1.0 2.1d
2001-02-20 5.0.4
2000-09-25 5.0.2
2000-05-15 5.0.1 11.0.1