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<title>HEASARC Software RSS</title>
<link>http://heasarc.gsfc.nasa.gov/docs/software.html</link>
<description>HEASARC Software</description>
<pubDate>2008-05-02T12:23:39-04:00</pubDate>

<item>
<title>XSPEC 12 updated  (02 May 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/issues/issues.html</link>
<description> 12.4.0aa patch released on 01 May 2008; fakeit command bug fix, more ... </description>
<guid isPermaLink="false">id_20</guid>
<pubDate>02 May 2008 12:18:00 EDT</pubDate>
</item>
<item>
<title>Swift CALDB updated  (01 May 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#swift_20080501</link>
<description> UVOTA (updated 28 Apr 2008) and general SpaceCraft (SC) data updated...</description>
<guid isPermaLink="false">id_19</guid>
<pubDate>01 May 2008 12:00:02 EDT</pubDate>
</item>
<item>
<title>PIMMS updated  (01 May 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/software/tools/pimms.html</link>
<description> (Updated Apr 14 2008) includes revised effective area curves for future missions Constellation-X and XEUS, as well as updated curves for Swift UVOT (except grisms) and for INTEGRAL ISGRI and JEM-X ...  </description>
<guid isPermaLink="false">id_18</guid>
<pubDate>01 May 2008 11:00:01 EDT</pubDate>
</item>
<item>
<title>CCFits updated  (24 Apr 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/software/fitsio/ccfits/</link>
<description> new version of the object oriented interface to the cfitsio library, more ... </description>
<guid isPermaLink="false">id_17</guid>
<pubDate>24 Apr 2008 12:00:01 EDT</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (24 Apr 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/issues/issues.html</link>
<description> 12.4.0y patch released on 23 Apr 2008; bug fixes relating to the case where a fit parameter is pegged in a Lev-Marq fit, more ... </description>
<guid isPermaLink="false">id_16</guid>
<pubDate>24 Apr 2008 12:00:00 EDT</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (23 Apr 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/W3Browse/radio-catalog/cgrabs.html</link>
<description> 12.4.0x patches released on 21 Apr 2008; updated for HEASOFT 6.4.1</description>
<guid isPermaLink="false">id_15</guid>
<pubDate>23 Apr 2008 12:00:00 EDT</pubDate>
</item>
<item>
<title>HEASoft 6.4.1 released  (22 Apr 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/software/lheasoft</link>
<description>Released 21-Apr-2008; release of the
Suzaku (version 8) software, but also includes Suzaku-related updates
to xselect/extractor, bugfixes, more... </description>
<guid isPermaLink="false">id_14</guid>
<pubDate>22 Apr 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>SAO/DS9 updated to Version 5.2  (18 Apr 2008)</title>
<link>http://hea-www.harvard.edu/RD/ds9/</link>
<description>Updated 15-Apr-2008; Windows native printing, gui enhancements, more...</description>
<guid isPermaLink="false">id_13</guid>
<pubDate>18 Apr 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>Suzaku CALDB updated  (04 Apr 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#suzaku_20080401</link>
<description>Update 01 Apr 2008: XIS and HXD calibration data have been updated, no foolin&#x27;... </description>
<guid isPermaLink="false">id_12</guid>
<pubDate>04 Apr 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated (March 28, 2008)  (01 Apr 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0u,v,w patches released; model, weight command updated  </description>
<guid isPermaLink="false">id_11</guid>
<pubDate>01 Apr 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>Swift CALDB updated (March 28, 2008)  (28 Mar 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#swift_20080328</link>
<description>Swift SC and BAT CALDB updated, more...</description>
<guid isPermaLink="false">id_10</guid>
<pubDate>28 Mar 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (21 Mar 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0s,t patches released; plot efficiency, data commands updated  </description>
<guid isPermaLink="false">id_9</guid>
<pubDate>21 Mar 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (14 Mar 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0q,r patches released  </description>
<guid isPermaLink="false">id_8</guid>
<pubDate>14 Mar 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (07 Mar 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0n,o,p patches released;  Levenberg-Marquardt fitting,  xmmpsf and suzpsf mixing components, other fixes  </description>
<guid isPermaLink="false">id_7</guid>
<pubDate>07 Mar 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (06 Mar 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0m patch released; The start-up statistic, method, and weight settings in the user&#x27;s Xspec.init file were effectively ignored.  </description>
<guid isPermaLink="false">id_6</guid>
<pubDate>06 Mar 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (05 Mar 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0l patch released; Problem with error command.  </description>
<guid isPermaLink="false">id_5</guid>
<pubDate>05 Mar 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (01 Feb 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0j and 12.4.0k patches released; When loading its model initialization file, XSPEC is not properly parsing model parameters with multi-word unit labels, such as the xi parameter of the pexriv model(12.4.0j). Unfolded spectrum plots (plot ufspec, eufspec, eeufspec) cannot be performed on energy bins with widths smaller than 10^-4 keV. (12.4.0k).  </description>
<guid isPermaLink="false">id_4</guid>
<pubDate>01 Feb 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>Swift CALDB updated  (31 Jan 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#swift_20080213</link>
<description>Spacecraft (SC) calibration data updated for Swift. </description>
<guid isPermaLink="false">id_3</guid>
<pubDate>31 Jan 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC 12 updated  (30 Jan 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>12.4.0h and 12.4.0i patches released; The Y-axis label for plot chisq should include sign(data-model) rather than |data-model| (12.4.0h). Table model calculations ignore theredshift parameter z if it is set to a negative value (12.4.0i).  </description>
<guid isPermaLink="false">id_2</guid>
<pubDate>30 Jan 2008 08:00:00 EST</pubDate>
</item>
<item>
<title>XSPEC  updated  (28 Jan 2008)</title>
<link>http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/index.html</link>
<description>updated ignore and notice commands in certain contexts, increased response matrix convolution capability.... </description>
<guid isPermaLink="false">id_1</guid>
<pubDate>28 Jan 2008 08:00:00 EST</pubDate>
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