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| Shapley-Ames Catalog | |
|---|---|
| Name | Shapley-Ames Catalog |
| Author | Harlow Shapley; Adelaide Ames |
| Country | United States |
| Language | English |
| Subject | Astronomy; Catalog of galaxies |
| Publisher | Harvard College Observatory |
| Pub date | 1932 (first edition) |
Shapley-Ames Catalog The Shapley-Ames Catalog is a mid-20th-century astronomical compilation of bright galaxies produced by Harlow Shapley and Adelaide Ames, assembled at the Harvard College Observatory and influential for observational programs at institutions such as the Mount Wilson Observatory and the Palomar Observatory. The compilation informed work by astronomers associated with the Royal Greenwich Observatory, the Lick Observatory, the Carnegie Institution, the Smithsonian Astrophysical Observatory, and influenced surveys using instruments at the Hale Telescope and the Lowell Observatory. It remains historically significant in contexts involving the Hubble Space Telescope, the European Southern Observatory, the Royal Astronomical Society, and the National Academy of Sciences.
The catalog was prepared by Harlow Shapley and Adelaide Ames during the interwar period, linking activities at the Harvard College Observatory, the Carnegie Institution of Washington, the Mount Wilson Observatory, the Lick Observatory, and the Yerkes Observatory, and intersecting projects connected to the Royal Greenwich Observatory, the Royal Astronomical Society, and the Smithsonian Astrophysical Observatory. Influential figures and institutions such as Edwin Hubble, Vesto Slipher, George Ellery Hale, Walter Adams, and the California Institute of Technology shaped the observational milieu in which the catalog was produced, while contemporaneous work at the Palomar Observatory, the Hale Telescope, and the Lowell Observatory provided comparative datasets. Funding and dissemination involved interactions with the National Research Council, the Carnegie Institution, and Harvard University Press, and the catalog informed later work at the European Southern Observatory and the Royal Astronomical Society.
The first edition was issued in 1932 following collaboration at the Harvard College Observatory and the Carnegie Institution, building on photographic surveys by the Mount Wilson Observatory and plate collections associated with the Yerkes Observatory and the Lick Observatory; individuals and programs connected to Edwin Hubble, Vesto Slipher, George Ellery Hale, and Walter Adams contributed complementary measurements. A subsequent revised edition incorporated data analogous to later surveys by the Palomar Observatory Sky Survey and cross-referenced positions used by the Royal Greenwich Observatory and catalogs maintained by the Smithsonian Astrophysical Observatory; institutions including the California Institute of Technology and the Carnegie Institution participated in verification. The editors used astrometric reference frames related to the International Astronomical Union standards and engaged observational programs linked to the Harvard College Observatory, the National Research Council, and the Royal Astronomical Society to ensure concordance across editions.
Entries list bright galaxies identified from photographic plates and visual surveys, with positions, morphological descriptions, and brightness estimates comparable to schemes employed by Edwin Hubble and refined in observational programs at the Mount Wilson Observatory, the Palomar Observatory, and the Lick Observatory. Classification criteria referenced morphological types analogous to the Hubble sequence used by Edwin Hubble and comparisons to spectral measurements like those made by Vesto Slipher and Walter Adams, and magnitudes rooted in photometric systems used at the Harvard College Observatory and the Carnegie Institution. Cross-identifications linked items to earlier catalogs and atlases curated by the Royal Greenwich Observatory, the Yerkes Observatory, the Royal Astronomical Society, and the Smithsonian Astrophysical Observatory, facilitating use alongside later compilations from the European Southern Observatory and the Palomar Observatory Sky Survey.
The catalog includes many bright galaxies that are also subjects in studies by Edwin Hubble, Vesto Slipher, and Milton Humason, and that were later observed with instruments at the Mount Wilson Observatory, the Palomar Observatory, and the Hale Telescope; these same objects appear in research published through the Royal Astronomical Society, the Royal Greenwich Observatory bulletins, and the Carnegie Institution reports. Specific galaxies in the catalog were targets for follow-up by teams affiliated with the California Institute of Technology, the Smithsonian Astrophysical Observatory, and the Lick Observatory, and informed investigations that shaped understanding in programs associated with the National Academy of Sciences and the International Astronomical Union. Discoveries linked to catalog entries influenced later work by the Hubble Space Telescope teams, the European Southern Observatory surveys, and investigations at the Lowell Observatory and the Royal Astronomical Society.
The catalog was used extensively by observers at the Mount Wilson Observatory, the Palomar Observatory, the Lick Observatory, and the Yerkes Observatory, and cited in publications of the Royal Astronomical Society, the Carnegie Institution, and the Smithsonian Astrophysical Observatory; it aided programs at institutions including the California Institute of Technology, Harvard College Observatory, and the National Research Council. It provided a reference list for redshift surveys undertaken by astronomers associated with Edwin Hubble, Vesto Slipher, Milton Humason, and later teams using the Hale Telescope and instruments at the European Southern Observatory and the Hubble Space Telescope. The Shapley-Ames compilation influenced cataloging practices used by the Royal Greenwich Observatory, the Royal Astronomical Society, the International Astronomical Union, and the National Academy of Sciences in mid-century extragalactic astronomy.
Later catalogs and surveys—such as the Revised Shapley-Ames lists, the Palomar Observatory Sky Survey, the New General Catalogue revisions, and modern compilations from the European Southern Observatory, the Sloan Digital Sky Survey teams, and the Hubble Space Telescope consortia—built on the observational foundation established by Shapley and Ames and by institutions including the Carnegie Institution, the California Institute of Technology, and the Harvard College Observatory. The legacy persists in reference works maintained by the Royal Astronomical Society, the Royal Greenwich Observatory archives, the Smithsonian Astrophysical Observatory, and data centers affiliated with the International Astronomical Union and the National Academy of Sciences, and it informed practices adopted by the Mount Wilson Observatory, the Palomar Observatory, the Lick Observatory, and the European Southern Observatory.
Category:Astronomical catalogues