What's New with NED

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(Latest Revision: 21 December 2016)

Welcome to the NASA/IPAC Extragalactic Database (NED)

NED activities at the 229th meeting of the American Astronomical Society (AAS), 3-7 January 2017, Grapevine, Texas
  • Demos and handouts, exhibit hall booth #337; Tuesday-Saturday, Jan 3-7
  • Talk #224.03: "Redshift-Independent Distances in the NASA/IPAC Extragalactic Database Surpass 166,000 Estimates for 77,000 Galaxies", Ian Steer; Thursday, Jan 5, 2:00 pm
  • Poster #347.54: "Recent Advances and Coming Attractions in the NASA/IPAC Extragalactic Database", Joseph Mazzarella et al.; Friday, Jan 6, 9:00-6:30 (including 5:30-6:30 discussion session)

December 2016 Release Highlights

Database Contents

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

New Interface

Progress and status of our next generation interface are posted here.

References and Object Pointers

1,066,699 new object links (pointers) to 508 new references including:
  • 854,328 galaxies from Stellar Masses and Star Formation Rates for 1M Galaxies from SDSS+WISE (Chang, Yu-Yen et al. 2015ApJS..219....8C )
  • 100,112 quasars from The large quasar reference frame (LQRF) (Andrei, A. H . et al. 2009A&A...505..385A )
  • 108,467 quasars from The construction of the large quasar astrometric catalogue (LQAC) (Souchay, J. et al. 2009A&A...494..799S )
  • 2,191 quasars from Auxilliary Quasar Solution for the QSOs that were matched to ICRF2 sources in Gaia DR1 (Gaia Collaboration 2016yCat.1337....0G )

Redshift-Independent Distances

Photometry

6,160 new photometric data points including:
  • RADIO : 1.4 GHz fluxes from mJIVE-20: A Survey for Compact mJy Radio Objects with the Very Long Baseline Array (Deller, A.T. and Middelberg, E. 2014AJ....147...14D)
  • VIS : KPNO magnitudes from Beyond the Brim of the Hat: Kinematics of Globular Clusters out to Large Radii in the Sombrero Galaxy (Dowell, Jessica L. et al. 2014AJ....147..150D)
  • NIR : Magnitudes from New 2MASS Near-infrared Photometry for Globular Clusters in M31 (Wang, Song et al. 2014AJ....148....4W)

Images

  • 20 images from The resolved star-formation relation in nearby active galactic nuclei (Casasola et al. 2015A&A...577A.135C)

Spectra

  • 469 spectra from A Uniform Analysis of the Ly{alpha} Forest at z = 0-5. III. Hubble Space Telescope Faint Object Spectrograph Spectral Atlas (Bechtold et al. 2002ApJS..140..143B)
  • 39 spectra from A Uniform Analysis of the Ly{alpha} Forest at z = 0-5. I. The Sample and Distribution of Clouds at z > 1.7 (Scott et al. 2000ApJS..130...37S)
  • 6 spectra from Simulation Analysis of Lyman-alpha forest spectra. I Empirical description at z ~ (Dobrzycki and Bechtold 1996ApJ...457..102D)
  • 33 spectra from The Lyman-alpha forest near 34 Quasi-Stellar objects with z > 2.6 (Jill Bechtold 1994ApJS...91....1B)

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


October 2016 Release Highlights

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

Redshifts

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

Photometry

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)
  • RADIO : VLA HI flux from VLA-ANGST: A High-resolution H I Survey of Nearby Dwarf Galaxies (Ott, Jurgen et al. 2012AJ....144..123O)

Images

  • 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)

Spectra

  • 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

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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