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astro-legacy-archive/wham-halpha-map

45 downloads in 30 days0 likesLast modified 22 Sep 2026View on Hugging Face
Unclear

The checks could not identify a recognised licence ID in the dataset's metadata.

Declared licence
other, from the tagEvidence: README.md at f20930d
Licence name on the card
heasarc-free-use, link: https://heasarc.gsfc.nasa.gov/docs/heasarc/data_policy.htmlEvidence: README.md at f20930d
Licence files
No licence file at the top level of the repositoryEvidence: file list at f20930d
Declared sources
None listed in the card metadata
Access gated on Hugging Face
No
Each cell links to what was checked: a file, a file list or a Hub record.

Citation text from the card

[HEASARC states](https://heasarc.gsfc.nasa.gov/docs/heasarc/data_policy.html) verbatim:

> HEASARC materials are all available freely for your use.

This is a free-use statement rather than a named formal licence.

The source file is
https://lambda.gsfc.nasa.gov/data/foregrounds/wham/lambda_WHAM_1_256.fits
(3,156,480 bytes; SHA-256
`252e43ce47e9b3e8b1179ec665cf9c680ad412eeaf3366941c73c8aa6a7c7e03`).
The authoritative product page is
https://lambda.gsfc.nasa.gov/product/foreground/fg_wham_h_alpha_map_info.html;
the download page is
https://lambda.gsfc.nasa.gov/product/foreground/fg_wham_h_alpha_map_get.html.
The source and output hashes are pinned in `facts.yaml`.

No named formal product licence is published. The HEASARC free-use statement
quoted above is represented as `other`. Cite Haffner et al. (2003), Haffner et al.
(2010), and Paradis et al. (2012).

LAMBDA requests the following acknowledgement:

> We acknowledge the use of the Legacy Archive for Microwave Background Data
> Analysis (LAMBDA), part of the High Energy Astrophysics Science Archive Center
> (HEASARC). HEASARC/LAMBDA is a service of the Astrophysics Science Division at
> the NASA Goddard Space Flight Center.

The WHAM project requests:

> The Wisconsin Hα Mapper and its Hα Sky Survey have been funded primarily by
> the National Science Foundation. The facility was designed and built with the
> help of the University of Wisconsin Graduate School, Physical Sciences Lab,
> and Space Astronomy Lab. NOAO staff a

The same facts for your agent

A free MCP server at mcp.datalicense.uk/mcp. Connect it from an MCP client such as Claude or Cursor.

dataset_licence({ "id": "astro-legacy-archive/wham-halpha-map" })
signal: "unclear"
stated_licence: "other"
sources: 0