PPMXL Catalog

PPMXL is a catalog of positions, proper motions, 2MASS- and optical photometry of 900 million stars and galaxies, aiming to be complete down to about V=20 full-sky. It is the result of a re-reduction of USNO-B1 together with 2MASS to the ICRS as represented by PPMX.

Data and Resources

Additional Info

Field	Value
Maintainer	IRSA Support
Last Updated	September 7, 2026, 23:08 (UTC)
Created	April 1, 2025, 13:12 (UTC)
accessLevel	public
bureauCode	{026:00}
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
harvest_object_id	b5102796-6523-4932-a31a-ccecd163db9b
harvest_source_id	b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title	Science Discovery Engine
identifier	ivo://irsa.ipac/ppmxl/catalog
landingPage	ivo://irsa.ipac/ppmxl/catalog
license	https://www.usa.gov/government-works
modified	2026-08-31T22:15:59Z
programCode	{026:000}
publisher	NASA/IPAC Infrared Science Archive
resource-type	Dataset
source_datajson_identifier	true
source_hash	a6cf18da11f79a54a6a0f9ad9ab400231c4fab605955eb52b5c457fc0d9eaa29
source_schema_version	1.1
theme	{Astrophysics}