What's New with NED

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(Latest Revision: 10 October 2016)

Welcome to the NASA/IPAC Extragalactic Database (NED)

October 2016 Release Highlights

Database Contents

Tabular and graphical summaries of NED's current holdings are presented here.

Spitzer Source List

We have cross-matched the Spitzer Enhanced Imaging Products (SEIP) Source List with NED, integrating selected quantities including photometry in 5 IR bands:
  • 42,089,764 SSTSL2 sources from the SEIP cross-matched with NED, yielding:
    • 37.4 million new NED objects
    • 4.7 million cross-IDs to existing NED objects
  • 360.5 million photometric data points in the IRAC 3.6, 4.5, 5.8, 8.0 micron, and the MIPS 24 micron bands.

August-September 2016 Release Highlights

References and Object Pointers

2,049,873 new object links (pointers) to 962 new references including:
  • 1,723,545 candidate QSOs from Quasar candidates selection in the Virtual Observatory era (D'Abrusco, R. et al. 2009MNRAS.396..223D )
  • 34,929 galaxies in the GOODS-CDFS field from CANDELS Multi-wavelength Catalogs: GOODS-South Field (Guo Y. et al. 2013ApJS..207...24G )
  • 16,910 galaxies in the COMBO-17 field from A Public, K-Selected, Optical-to-Near-Infrared Catalog of the Extended Chandra Deep Field South (ECDFS) from the Multiwavelength Survey by Yale-Chile (MUSYC) Taylor E.N. et al. 2009ApJS..183..295T )
  • 3,414 ICRF radio sources from The Second Realization of the International Celestial Reference Frame by Very Long Baseline Interferometry (Fey, A. L. et al. 2015AJ....150...58F )
  • 2,224 star clusters in M51 from A Catalog of Bright Star Clusters in the Interacting Galaxy M51 (Hwang, N. and Lee, M.G. 2008AJ....135.1567H )

Cross-IDs and New Objects

  • 210,889 sources from the literature cross-identified with NED objects
  • 67,048 new NED objects


  • 34,993 additional redshifts
  • 4,929 more objects with redshifts


3,067 new photometric data points, including:
  • VIS : BATC magnitudes from Age and Mass Studies for Young Star Clusters in M31 from SEDS-FIT (Wang, Song et al. 2012AJ....144..191W)
  • UV and IR: GALEX and WISE magnitudes from Multi-wavelength study of 14000 star-forming galaxies from the Sloan Digital Sky Survey (Izotov, Y. I. et al. 2014A&A...561A..33I)
  • RAD : VLA HI flux from VLA-ANGST: A High-resolution H I Survey of Nearby Dwarf Galaxies (Ott, Jurgen et al. 2012AJ....144..123O)


  • 46 images from CARMA Survey toward Infrared-bright Nearby Galaxies (STING). III. The Dependence of Atomic and Molecular Gas Surface Densities on Galaxy Properties (Wong, Tony et al. 2013ApJ...777L...4W)
  • 118 images from Nobeyama CO Atlas of Nearby Spiral Galaxies: Distribution of Molecular Gas in Barred and Nonbarred Spiral Galaxies (Kuno, Nario et al. 2007PASJ...59..117K)
  • 214 images from Resolved atomic super-clouds in spiral galaxies (R. Braun 1995A&AS..114..409B)


  • 10,643 spectra from zCOSMOS: A Large VLT/VIMOS Redshift Survey Covering 0 < z < 3 in the COSMOS Field (S. J. Lilly et al. 2007ApJS..172...70L)

Latest Review Articles in LEVEL 5 Knowledgebase for Extragalactic Astronomy and Cosmology

New User Interface and New Approach for Data Integration

New User Interface

Try our next-generation user interface, which features a Simple Search box on the main screen.

The NED user interface has begun a transition to a new, more modern style. Drop down menus may be used to quickly access searches for objects, data, or literature. Clicking one of these options will lead to the classic, familiar search forms for services that have not yet adopted the new style. Searches By (or Near) Object Name, Near Position, and by RefCode (Reference Code) may be typed directly into a prominently featured smart box. The following search forms are available in the new style:

  • Search Objects and Unprocessed Catalog Sources to find objects in NED and sources from catalogs that have not yet been fully integrated into NED (see below).
  • Search By Parameters to search for NED objects using multifaceted constraints.
  • Search Images to retrieve images by object name.
  • In response to a query such as "NGC 1365 images" in the Simple Search box (or using the image search form), the results can be rapidly sorted on various columns (e.g., spectral region) and searched for any string. A link to the IRSA Finderchart service enables users to change the field of view, or interact with imagery from major sky surveys such as 2MASS, WISE, and SDSS at the same location.

  • Source Nomenclature leads to a service for looking up source acronyms.

New Approach for Data Integration

NED has implemented a new methodology for integrating data from both very large catalogs (VLCs) containing hundreds of millions of sources, and smaller datasets from the literature. There is a new user interface to Search Objects and Unprocessed Catalog Sources, with an option to include incoming catalog sources that have not yet been cross-identified and had their key parameters fused with other information in NED.

The current release provides access to 471 million catalog sources from the 2MASS Point Source Catalog (2MASS PSC). Over 62 million catalog sources from the GALEX All Sky Survey Catalog (GASC) and the GALEX Medium Imaging Survey Catalog (GMSC), and 42 million catalog sources from the Spitzer Source List (SSTSL2) have already been cross-identified with NED objects or promoted to new NED objects.

In the past, cross-identifications between incoming catalog sources and objects in NED were integrated incrementally over many months as the results from cross-matching software were vetted and loaded into the database in chunks spanning across multiple NED updates. This had the disadvantage that only a fraction of catalog sources were accessible in NED until the catalogs were fully processed, and it was not clear exactly what subsets were in NED at any given time. In the new approach, selected parameters (columns) for all catalog sources (rows) are rapidly loaded into a new Catalog Source Representation layer of the database and made available for optional inclusion in search results along with the fully integrated NED objects. A detailed discussion of the ontology of unprocessed catalog sources (Status=S) versus NED objects (Status=O) may be found here.

The Introduction to NED has more details about all of NED's services, and NED's Features gives a brief overview of NED.

The NED History page has previous NED news.

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