Foreground Data

HI Maps

The data made available through this page have been superseded by the Effelsberg-Bonn HI survey and the GASS HI survey.
The Effelsberg-Bonn northern sky HI map is available here
and the HI4PI all-sky HI map made from a combination of Effelsberg-Bonn and GASS data is available here

Recommended download procedure for '.fits' or '.tar.gz' files:
right click on the file name and save. For more information on the use of Dataset IDs,
see the LAMBDA Products Overview.

HI Maps
File Info
File Name
LAB HI Survey Compressed Tar File 138 MB
LAB HI Survey
Entire Velocity Range
25 MB

A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. Eric R. Switzer
NASA Official: Dr. Eric R. Switzer
Web Curator: Mr. Michael R. Greason