This is DARTS/suzaku http directory
Last updated 2021-05-25 K. Ebisawa

### Main archive ### 
ver3.0/
The final processing (ver3.0) data are found here.

ver2/
All the version 2 public data are found here. If there are two or
more data on the same sequence with minor version difference, the 
latest version is put in this directory.

ver2.Y/ (X=2)
The version X.Y data are archived here.

If you found the same sequences in ver2 and ver2.Y, they are
hard-linked and identical.

trend/
The trend archive data are stored here.
 
### WAM Archive added in Feb 2019 ### 
There are three different levels of WAM data archive.
The source data are identical, only processing levels are different.

wam-1.0/
This is the same one which has been released from http://www.astro.isas.jaxa.jp/suzaku/HXD-WAM/WAM-GRB/.

wam-2.0/
Newly processed WAM data in 2017-2018 at Saitama Univ. and Nagoya Univ.

The following sequences were replaced/added on Feb 28, 2019.
wam-2.0/2005/ae100003010_20050817104315_trn/
wam-2.0/2005/ae999990021_20050904142214_bst/
wam-2.0/2005/ae999990131_20051214095539_bst/
wam-2.0/2005/ae999990132_20051215084511_bst/
wam-2.0/2006/ae999990229_20060326125307_bst/
wam-2.0/2006/ae999990231_20060327173259_bst/
wam-2.0/2006/ae999990464_20061118095854_bst/

Original directories of these were renamed as *.orig.

wam-3.0/
Renamed and reconfigured at HEASARC based on wam-2.0.

### HXD and XIS background files added in May 2021 ### 
background/
Those files under background/hxd and background/xis are copied from the
following area (original Suzaku project web-site):
http://www.astro.isas.jaxa.jp/suzaku/analysis/hxdd
http://www.astro.isas.jaxa.jp/suzaku/analysis/xis

Similarly, the Suzaku data analsys pages are 
copied from
http://www.astro.isas.jaxa.jp/suzaku/analysis/
to
https://darts.isas.jaxa.jp/astro/suzaku/analysis/
for permanent archive.