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Next: Displaying Products Up: Extracting and Requesting Data Previous: On-line data products

Near-line data products

Files stored on CD-ROM are requested using the BROWSE request command. The complete datasets from the ROSAT XRT data archive are one such example,

ROSPUBLI_TOTAL_DEC > request
Loading ZZFNAME and ZZFILES, please wait...
Do you want to select all [N]: 
Retrieve ROSAT HRI image (HDS) HDSIMAGE HIMHDS [N]: 
Retrieve ROSAT PSPC broad-band image (HDS) HDSIMAGE IM1 [N]: 
Retrieve ROSAT PSPC hard image (HDS) HDSIMAGE IM2 [N]: 
Retrieve ROSAT PSPC soft image (HDS) HDSIMAGE IM3 [N]: 
Retrieve ROSAT HRI image (GIF) GIFIMAGE HGIF [N]: 
Retrieve ROSAT PSPC image (GIF) GIFIMAGE GIF [N]: 
Retrieve ROSAT PSPC soft image (FITS) IMAGE IM3 [N]: 
Retrieve ROSAT HRI image (FITS) IMAGE HIM [N]: 
Retrieve ROSAT PSPC hard image (FITS) IMAGE IM2 [N]: 
Retrieve ROSAT PSPC broad-band image (FITS) IMAGE IM1 [N]: 
Retrieve ROSAT PSPC/HRI dataset DATASET ROD [N]: Y
 Enter start entry number [d/f=1]: 
 Enter end entry number [d/f=4707]: 1
This command sends a request to the UK RDAC for data staging
Please refer to the reply mail message for location of data
Enter your e-mail address: kbs@star.le.ac.uk
Sending request command via mail to ledasexp

In the above example, the all of the ``IMAGE" options are on-line data products, so replying Y at any of these prompts will result in an error message.

Request prompts the user for an e-mail address. Near-line datasets are copied to our anonymous ftp area, ledas-ftp.star.le.ac.uk, and an acknowledgement is then sent via e-mail to the user. The files within each dataset are compressed then bundled together into a Unix tar file. To access the dataset, rp123456n00, for example and recover the files,

% ftp ledas-ftp.star.le.ac.uk
Name: anonymous
331 Guest login ok, send your complete e-mail address as password.
Password: <Enter your e-mail address>
ftp> cd rosat/archive/data
ftp> bin
ftp> get rp123456n00.tar
ftp> quit
% tar xvf rp123456n00.tar
% uncompress *.Z



 
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