The Two Micron All Sky Survey at IPAC

Users are encouraged to first familiarize themselves with the Explanatory Supplement for the All-Sky Data Release. In addition, please visit our Frequently Asked Questions (FAQ) page for other relevant and current information.

The All-Sky Data Release

• On-line access to the 2MASS Catalogs and Atlas Images via the IPAC IRSA web interface

• On-line access to the 2MASS Point Source Catalogs through the Centre de Donnees astronomiques de Strasbourg (CDS) via the VizieR Service

• FTP access to the 2MASS Catalogs via the IPAC anonymous FTP server

• A DVD-ROM set of the 2MASS Catalogs is available. To order one, please fill out email us your name and full mailing address: 2mass@ipac.caltech.edu. Please note: The DVD-ROM contains Catalog data only, and no Atlas Images or movies. It is intended for use by professional astronomers only. The user should consult the All-Sky DVD Release Updates for the most recent information on the DVD-ROMs.

The Second Incremental Data Release

Note: The All-Sky Data Release supercedes the Second Incremental Data Release.

• On-line access to the 2MASS Catalogs and Atlas Images (Second Incremental Release) via the IPAC IRSA web interface.
     The uncompressed Atlas Images are now available via IRSA's Batch Image Server

• On-line access to the 2MASS Point Source Catalogs (Second Incremental Release) through the Centre de Donnees astronomiques de Strasbourg (CDS) via the VizieR Service and the Aladin interface.

• FTP access to the 2MASS Catalogs (Second Incremental Release) via IPAC anonymous FTP server

• A DVD-ROM version of the 2MASS Catalogs (Second Incremental Release).   To order one, please fill out the order form.

  Please note: The DVD-ROM contains Catalog data only, and no Atlas Images or movies. It is intended for use by professional astronomers only. Additionally, it has been superceded by the All-Sky Data Release DVD-ROM.

The First Incremental Data Release

Note: The Second Incremental Data Release supercedes the First.

• On-line access to the 2MASS Catalogs and Atlas Images (First Incremental Release, aka the 1999 Spring Release) via the IPAC

  IRSA web interface.

• FTP access to the 2MASS Catalogs (First Incremental Release, aka the 1999 Spring Release) via
  • IPAC anonymous FTP server

• A DVD-ROM version of the 2MASS Catalogs (First Incremental Release, aka the 1999 Spring release). To order one, please fill out the order form.

If you are a 2MASS Working Group, Science Team, or External Review Board Member, please proceed here.

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