AstronomicalData is based on a wide range of sources, with enhancement at the Wolfram Research Companies by both human and algorithmic processing.

Among principal sources for AstronomicalData are:

Albers, S. Planetary Maps (Global Images). »

Association of Universities for Research in Astronomy, Inc. The STScI Digitized Sky Survey. »

Bennett, A. S. "The Revised 3C Catalogue of Radio Sources". Strasbourg Astronomical Data Center. »

Bretagnon, P. and G. Francou. "Planetary Theories in Rectangular and Spherical Variables. VSOP87 Solutions." Astronomy and Astrophysics 202 (1988): 309-315. »

Buil, C. "The Spectroscopic Be Stars Atlas." Spectroscopy, CCD & Astronomy. »

Butler, R. P., et al. "Catalog of Nearby Exoplanets." The Astrophysical Journal 646, no. 1 (2006): 505. »

California Institute of Technology Jet Propulsion Laboratory. JPL Small-Body Database Search Engine. »

California Institute of Technology Jet Propulsion Laboratory. JPL Solar System Dynamics. »

California Institute of Technology Jet Propulsion Laboratory. NASA/IPAC Extragalactic Database (NED). »

California Institute of Technology Jet Propulsion Laboratory. Planetary Photojournal. »

Cox, A. N. (Ed.). Allen's Astrophysical Quantities. (4th ed.) Springer, 2000.

Crowther, P. A., et al. "The R136 Star Cluster Hosts Several Stars Whose Individual Masses Greatly Exceed the Accepted 150 M⊙ Stellar Mass Limit." arXiv:1007.3284v1 (2010). »

Davenhall, A. C. and S. K. Leggett. "Constellation Boundary Data." Strasbourg Astronomical Data Center. »

Espenak, F. NASA Eclipse Web Site. »

Fabricius, C., et al. "The Tycho Double Star Catalogue." Astronomy & Astrophysics 384 (2002). »

Gehrz, R. D., R. M. Humphreys, and T. J. Jones. "VY Canis Majoris: The Astrophysical Basis of Its Luminosity." Bulletin of the American Astronomical Society 38, no. 4 (2006): 1047.

Gillessen, S., et al. "Monitoring stellar orbits around the Massive Black Hole in the Galactic Center." The Astrophysical Journal 692, no. 2 (2009): doi:10.1088/0004-637X/692/2/1075. »

Gliese, W. and H. Jahreiss. "Third Catalogue of Nearby Stars." Strasbourg Astronomical Data Center. »

Smith, G. "The Early Evolution of Local Group Dwarf Irregular Galaxies." HST Proposal ID #6798, 1997.

Gray, A. D., J. I. Harnett, and R. Beck. "Neutral Hydrogen Observations of IC 342 and UGC A86: Evidence of Interaction?" In Seeing through the Dust: The Detection of HI and the Exploration of the ISM in Galaxies, ASP Conference Proceedings, 410-413, 2002. »

Harper G. M., A. Brown, and E. F. Guinan. "A New VLA-Hipparcos Distance to Betelgeuse and Its Implications." The Astronomical Journal 135, no. 4 (2008): 1430-1440.

"The Hipparcos and Tycho Catalogues." Strasbourg Astronomical Data Center. »

Huchra, J. The CfA Redshift Survey. »

Jones, P. D., et al. "Surface Air Temperature and Its Variations over the Last 150 Years." Reviews of Geophysics 37, no. 2 (1999): doi: 10.1029/1999RG900002. »

Kalas, P., et al. "Optical Images of an Exosolar Planet 25 Light Years from Earth." Science 322, no. 5906 (2008): 1345-1348. »

Kaler, J. B. Stars and Their Spectra: An Introduction to the Spectral Sequence. Cambridge University Press, 1997.

Kaplan, D. L., et al. "A Precise Proper Motion for the Crab Pulsar, and the Difficulty of Testing Spin-Kick Alignment for Young Neutron Stars." The Astrophysical Journal 677, no. 2 (2008): 1201. »

Karachentsev, I.D., et. al. “A New Isolated dSph Galaxy Near the Local Group”. Monthly Notices of the Royal Astronomical Society 447, no. 1 (2015): doi: 10.1093/mnrasl/slu181. »

Lang, K. R. Astrophysical Data: Planets and Stars. Springer‐Verlag, 1992.

Manchester, R. N., et al. "The ATNF Pulsar Catalogue." arXiv:astro-ph/0412641v1 (2005). »

Martin, N. F., et al. "A Radial Velocity Survey of Low Galactic Latitude Structures—III. The Monoceros Ring in Front of the Carina and Andromeda Galaxies." Monthly Notices of the Royal Astronomical Society: Letters 367, no. 1 (2006): L69–L73. »

Martinez-Delgado, D., et al. "The Closest View of a Dwarf Galaxy: New Evidence on the Nature of the Canis Major Overdensity." The Astrophysical Journal 633, no. 1 (2005): 205-209. »

Mason, B. D., G. L. Wycoff, and W. I. Hartkopf. The Washington Double Star Catalog. »

McConnachie, A. W., et al. "Distances and Metallicities for 17 Local Group Galaxies." Monthly Notices of the Royal Astronomical Society 356, no. 3 (2004): 979-997. »

Meeus, J. Astronomical Algorithms. (1st ed.) Willmann-Bell, 1991.

Minor Planet Center. "Discovery Circumstances: Numbered Minor Planets." IAU Minor Planet Center. »

Nash, D. "The HYG Database." The Astronomy Nexus. »

Noll, L. C. "Stellar Classification Table." isthe.com. »

Powell, R. An Atlas of the Universe. »

Roman, N. G. "Identification of a Constellation from a Position." Publications of the Astronomical Society of the Pacific 99, no. 617 (1987): 695-699.

Roman, N. G., W. H. Warren, Jr., and N. J. Schofield, Jr. "SAO-HD-GC-DM Cross Index." Strasbourg Astronomical Data Center. »

Samus, N. N., et al. "General Catalogue of Variable Stars." Strasbourg Astronomical Data Center. »

Shaya, E., J. Gass, and G. Schneider. Astronomical Data Center.

"SIMBAD Astronomical Database." Strasbourg Astronomical Data Center. »

Soubiran, C., et al. "The PASTEL Catalogue of Stellar Parameters." arXiv:astro-ph/1004.1069 (2010). »

Steinicke, W. Revised New General Catalogue and Index Catalogue. »

Stevens, A. W., M. Catelan, and R. P. Contreras. "WLM-1: An Old, Nonrotating, Gravitationally Unperturbed, Highly Elliptical Extragalactic Globular Cluster." The Astrophysical Journal 131 (2006): 1426-1435. »

Tsvetkov, D. Y., et al. "SAI Supernova Catalog." Sternberg Astronomical Institute Supernova Catalogue. »

United States National Aeronautics and Space Administration. "The Blue Marble: Land Surface, Ocean Color and Sea Ice." Visible Earth. »

United States National Aeronautics and Space Administration. Solar System Exploration. »

Van Den Bergh, S. "Search for Faint Companions to M31." The Astrophysical Journal 171 (1972): L31-L33. »

"VizieR Service." Strasbourg Astronomical Data Center. »

Westfall, A., R. Wilhelm, and W. L. Powell. "Horizontal Branch Stars in the Canis Major Dwarf Galaxy." Poster presented at AAS 207th Meeting, Washington, DC, 2006. »

To report an error or suggest an addition to AstronomicalData, contact the Wolfram Research AstronomicalData team.