Dataset · Hugging Face

kshitijd/mmu-xmatch-5k

Name: mmu-xmatch-5k
Creator: kshitijd
License: cc-by-4.0
Keywords: license:cc-by-4.0, size_categories:10M<n<100M, format:parquet, library:datasets, library:dask, library:polars, library:mlcroissant, arxiv:2412.02527, arxiv:2501.02103, region:us

MMU Crossmatch: 5,000 objects x up to 7 modalities Object-level positional crossmatch built strictly from the MultimodalUniverse v1.5 HATS catalogs with LSDB. Anchor: the DESI DR1 redshift catalog (LSDB/desi-dr1-zcat), filtered to primary rows with clean redshifts (ZCAT_PRIMARY & ZWARN==0); every object therefore starts with a measured redshift, and DESI spectra payloads are attached where the EDR release provides them. spine_selected.parquet — the 5,000 objects: ra/dec/z… See the full description on the dataset page: https://huggingface.co/datasets/kshitijd/mmu-xmatch-5k.

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Author / organization	kshitijd
License (as declared)	cc-by-4.0
Downloads	433 (as reported by Hugging Face)
Likes	0
Created	25 July 2026
Last updated at source	26 July 2026

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