On-the-fly generated HATS products

PO
Not scheduled
15m
Wichernhaus

Wichernhaus

Board: S234
poster presentation Science platforms in the big data era Poster

Speaker

Francois-Xavier Pineau (ObAS / CDS)

Description

We present the test developments conducted by CDS for the on-the-fly generation of catalogs in HATS format.

HATS is a framework described in the recently published IVOA note "HATS: A Standard for the Hierarchical Adaptive Tiling Scheme in the Virtual Observatory." Developed as part of the LINCC project for Vera C. Rubin data, and partly inspired by the HIPS format, it basically resorts to HEALPix tessellated Parquet datasets to distribute and manipulate possibly very large tabular data.

We present a prototype CDS set up to distribute VizieR large catalogues as on-the-fly generated HATS products, and discuss the advantages and drawbacks of such an approach. A similar solution can be adopted for all HEALPix indexed catalogues, benefiting from HATS aware tools without having to duplicate the data.

Affiliation of the submitter CDS
Attendance in-person

Primary author

Presentation materials