The Two Micron All Sky Survey at IPAC

2MASS Data Access

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

The Extended Mission Ancillary Data Product Release

• On-line access to the 2MASS Survey Reject Tables, 6x Working Databases and Catalogs, and Calibration Working Databases and all Atlas Images via the IPAC IRSA web interface
• Interactive retrieval of the 2MASS Combined Calibration Scan Images and extracted source lists via Explanatory Supplement web page

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 Additionally, it has been superceded by the All-Sky Data Release DVD-ROM.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.

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Last update: 2006 December 20, 2mass@ipac.caltech.edu.

 

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