Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ycat.5061....0p&link_type=abstract
VizieR On-line Data Catalog: V/61. Originally published in: 1987BICDS..33..125J
Astronomy and Astrophysics
Astronomy
Historical Catalog
Scientific paper
This catalogue is the machine readable version of the star catalogue given by Claudius Ptolemy in his book called usually the Almagest. It is based upon its translation by K. Manitius (ed. B.G. Teubner, Leipzig 1913). The table reproduces the values given in book VII, chapter V, namely Identification, name, longitude, latitude and magnitude. To facilitate its use the following changes were made: Identifications : the numbers of Ambronn's catalogue (used by Manitius) were replaced by the numbers in the Bright Star Catalogue (D. Hoffleit and C. Jaschek - Fourth edition - Yale University Observatory 1982) which are commonly used today. Name : we have kept the Bayer names but omitted the description given by Manitius (for instance alpha UMi = that of the end of the tail). Whenever a disagreement exists concerning the identification of a given star, this is signaled by a "D" (disagreement) in the notes (last column). The list of disagreements was taken from Werner H. and Schmeidler F., "Synopsis der Nomenklatur der Fixsterne" - Wissensch. Verlags-Gesellschaft Stuttgart (1986) where the interested reader may find detailed references. Most of the disagreements stem from the work of Peters and Knobel, Washington 1915. Longitude : the Ptolomean longitudes were converted into the commonly used longitudes by adding 0 to longitudes in Aries, 30 to those in Taurus, etc. Longitudes vary thus between 0 and 360 . Latitudes : no change from Ptolemy. Magnitudes : no change from Ptolemy. Notes : "D" stands for disagreements over identifications, see above. With the publication of a computer readable version of this catalogue we hope to satisfy a long standing need. We also pay in this way our debt of gratitude toward the astronomer who produced the most used catalogue in the history of astronomy - for more than fourteen centuries it was THE catalogue by definition. It seems only appropriate that a data center, who is in a long way a descendant of such an enterprise, includes the catalogue in its collection. (4 data files).
Manitius K.
Ptolemy C.
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