This article was accepted into the corpus but its outbound wikilinks were never NER-processed — typical at the deepest BFS hop or when the run's entity cap was reached. No expansion funnel to show.
| Extragalactic Distance Database | |
|---|---|
| Name | Extragalactic Distance Database |
| Established | 2000s |
| Type | Astronomical database |
| Discipline | Astronomy |
| Country | United States |
| Access | Public / Research |
| Website | (omitted) |
Extragalactic Distance Database The Extragalactic Distance Database provides curated distance estimates for galaxies and extragalactic objects, integrating photometric, spectroscopic, and standard-candle results to support observational cosmology, galaxy evolution, and distance-scale research. The resource aggregates data from major observatories and survey projects to enable cross-comparison among methods used by teams affiliated with institutions such as California Institute of Technology, Harvard University, Princeton University, Max Planck Society, and Space Telescope Science Institute. It serves researchers working with instrumentation from facilities like Hubble Space Telescope, Keck Observatory, Very Large Telescope, Arecibo Observatory, and Atacama Large Millimeter/submillimeter Array.
The project catalogs distance moduli, redshifts, photometry, and ancillary parameters for thousands of galaxies drawn from collaborations and archives maintained by entities such as Sloan Digital Sky Survey, Two Micron All Sky Survey, Gaia, Pan-STARRS, and Dark Energy Survey. Its design reflects input from working groups connected to initiatives including Supernova Cosmology Project, High-Z Supernova Search Team, Sloan Digital Sky Survey Collaboration, European Southern Observatory, and committees convened by National Aeronautics and Space Administration and National Science Foundation. The dataset emphasizes traceability to primary publications in journals like The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society, and Astronomy & Astrophysics while maintaining interoperability with archives such as NASA/IPAC Extragalactic Database and SIMBAD Astronomical Database.
Content includes distances derived from indicators tied to stellar populations, transients, and structural scaling relations reported by teams at Carnegie Institution for Science, Johns Hopkins University, University of Chicago, and University of California, Berkeley. Sources encompass published catalogs from projects like Hubble Key Project, Caltech Supernova Project, Carnegie Hubble Program, Spitzer Space Telescope Legacy Science Program, and surveys produced by European Space Agency missions such as Gaia and Hipparcos. Ancillary measurements link to observations from instrumentation of Gemini Observatory, Subaru Telescope, Magellan Telescopes, and radio arrays like Very Large Array, with metadata referencing authors affiliated with institutions including Massachusetts Institute of Technology, Yale University, Columbia University, and University of Oxford.
The database aggregates results from multiple techniques: standard candles such as Type Ia supernovae, Cepheid variables, and Tip of the Red Giant Branch measurements; standard rulers like Baryon Acoustic Oscillations reported by Baryon Oscillation Spectroscopic Survey teams; scaling relations including Tully–Fisher relation and Fundamental Plane studies by groups at University of Michigan and University of Groningen; and redshift-based methods invoking flow-model corrections from collaborations including 2MASS Redshift Survey and Cosmicflows projects. It incorporates calibrations tied to distance anchors like the Large Magellanic Cloud, Andromeda Galaxy, and geometric maser distances exemplified by work on NGC 4258 led by investigators associated with Harvard–Smithsonian Center for Astrophysics. The collection records method-specific uncertainties as reported by research teams from Princeton University Observatory, Max Planck Institute for Astrophysics, and Imperial College London.
The infrastructure employs relational and hierarchical data models adopted by archives such as NASA/IPAC, European Space Agency Science Data Centre, and Canadian Astronomy Data Centre to support cross-matching with catalogues like Sloan Digital Sky Survey and Gaia. User interfaces permit queries patterned on standards promulgated by organizations including International Astronomical Union and Virtual Observatory working groups, with API endpoints designed for workflow integration used by collaborations at Stanford University, University of Cambridge, and University of Tokyo. Access levels accommodate public researchers, students affiliated with programs at California Institute of Technology and University College London, and project teams conducting follow-up observations at facilities like Keck Observatory and Very Large Telescope.
Researchers employ the database to constrain the Hubble constant in analyses alongside results from Planck, Wilkinson Microwave Anisotropy Probe, and Atacama Cosmology Telescope teams, to study peculiar velocities in work connected to Cosmicflows and 2MASS Redshift Survey, and to test models of galaxy formation advanced by groups at Institute for Advanced Study and Max Planck Institute for Astronomy. The resource has enabled cross-calibration between distance ladders used by the Supernova Cosmology Project and SH0ES team, influenced measurement strategies at Space Telescope Science Institute and informed target selection for follow-up by observatories including Gemini Observatory and Subaru Telescope. Its curated compilations support student training at universities such as University of California, Santa Cruz, University of Washington, and Rutgers University.
Curation follows provenance practices advocated by stakeholders like National Aeronautics and Space Administration archives and peer-review standards in journals such as The Astrophysical Journal Letters and Monthly Notices of the Royal Astronomical Society. Contributors include researchers from Carnegie Institution for Science, Max Planck Society, and university groups who submit revised distances after publication or reanalysis by teams from California Institute of Technology and Harvard University. Quality control uses cross-checks against independent catalogs like SIMBAD Astronomical Database and automated validation routines inspired by Virtual Observatory protocols, with periodic releases coordinated with community surveys including Gaia and Sloan Digital Sky Survey.
Category:Astronomical catalogues