December 2018 Release

(Latest Revision: 19 Dec 2018)

User Interface

  • Inclusion of error bars and upper limits on Spectral Energy Distribution plots
  • A new dedicated tab containing Galactic Extinction values for over 100 filters
  • Better connectivity of references to ADS
  • Resolution of various known issues

Database Contents

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

References and Object Pointers

842,510 new object links (pointers) to 1,663 new references including:
  • 191,072 Galaxies in the COSMOS field from A Comparative Study of Density Field Estimation for Galaxies: New Insights into the Evolution of Galaxies with Environment in COSMOS out to z~3 (Darvish, B. et al. 2015ApJ...805..121D )
  • 133,159 WHL Galaxy Clusters from Calibration of the Optical Mass Proxy for Clusters of Galaxies and an Update of the WHL12 Cluster Catalog (Wen, Z. L. and Han, J. L. 2015ApJ...807..178W )
  • 2,740 LAMOST QSOs from The Large Sky Area Multi-object Fiber Spectroscopic Telescope Quasar Survey: Quasar Properties from the First Data Release (Ai, Y. L. et al. 2016AJ....151...24A )
  • 16,800 Globular Clusters and Visual Sources around MESSIER 087 from Galaxy structure from multiple tracers - I. A census of M87's globular cluster populations (Oldham, L. J. et al. 2016MNRAS.455..820O )
  • 16,351 supernovae through June 2018 from ASASSN, PS1, and Transient Name Server
  • 90 Gamma-Ray bursts from Jul 2016 through Oct 2017


  • 165,543 sources from the literature cross-identified with NED objects
  • 676,967 new NED objects including galaxies, quasars, clusters of galaxies, supernovae, globular clusters as well as unidentified radio, visual, infrared, X-ray, and gamma-ray sources


  • 707,252 additional redshifts
  • 184,727 more objects with redshifts


  • 267,819 spectra from Sloan Digital Sky Survey 2007 vol.p. (Sloan Digital Sky Survey Team 2007SDSS6.C...0000:)


  • Completed set of 264 images from THINGS: The H I Nearby Galaxy Survey (Walter et al. 2008AJ....136.2563W)

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