Cape Photographic Durchmusterung, volume 1

Details Cape Photographic Durchmusterung, volume 1 Cape Photographic Durchmusterung, volume 1

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993cphd....1......&link_type=abstract

Cape Photographic Durchmusterung, volume 1, NASA Reference Publication No. 1300, vol. 1, May, 1993

Astronomy and Astrophysics

Astronomy

Astronomical Catalogs, Milky Way Galaxy, Photographs, Sky Surveys (Astronomy), Stellar Magnitude, Declination, Equinoxes

Scientific paper

The Cape Photographic Durchmusterung (CPD Gill and Kapteyn 1895-1900) is a photographic survey of southern stars in the declination range -18 to -90 degrees. This volume covers the declination range -18 through -37 degrees. Positions are given for the 1875 equinox. The summary of the positional uncertainties quoted in the third volume of the published catalog gives +/- 0.28 sec (R.A.) +/- 0.044 arcmin (Dec.) for zones -18 to -57 degrees. The probable error of a photographic magnitude as determined by combining results for different magnitudes and weighting proportionately according to the numbers of stars in each class of magnitude is given as +/- 0.055 mag. From an analysis of the taint magnitude limits on the plates discussed in the third volume introduction, the catalog as a whole can be considered complete to photographic magnitude 9.2 but it is stated that it will be found practically complete in or near the Milky Way, to magnitude 9.5.

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