Foreground Data


Product Name
HI4PI Low and Intermediate Velocity HI
Coord. System
Projection Type
HEALPix ring, res 10 (Nside=1024)
16.1 arcmin
Original Data Source


Lenz et al. (2017) used data from the HI4PI all-sky survey of HI 21-cm line emission to produce an all-sky map of H I column density for gas at |vLSR| < 90 km/s. The interstellar reddening map Lenz et al. derived from these data is also available and is described here.

More details can be found in:

"A new, large-scale map of interstellar reddening derived from HI emission", Lenz, Hensley, and Doré 2017, ApJ, in press, arXiv
Harvard Dataverse

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